diff --git a/.github/labeler.yml b/.github/labeler.yml index 0311068..e209fe8 100644 --- a/.github/labeler.yml +++ b/.github/labeler.yml @@ -26,14 +26,17 @@ labels: commits: "^docs:.*" - label: "test:labeler" + sync: true matcher: files: ".github/labeler.yml" - label: "test:dist" + sync: true matcher: files: ["dist/*"] - label: "test:tests" + sync: true matcher: files: [ "__tests__/matcher/**", "__tests__/*.ts" ] @@ -50,6 +53,7 @@ labels: comment: "/stale" - label: "test: s" + sync: true matcher: files: count: @@ -57,6 +61,7 @@ labels: lte: 4 - label: "test: m" + sync: true matcher: files: count: @@ -64,6 +69,7 @@ labels: lte: 10 - label: "test: l" + sync: true matcher: files: count: diff --git a/README.md b/README.md index e2456fe..c229b75 100644 --- a/README.md +++ b/README.md @@ -53,6 +53,7 @@ version: v1 labels: - label: "feat" + sync: true # remove label if match failed, default: false matcher: # Matcher will match on any 6 matcher title: "^feat:.*" @@ -326,11 +327,13 @@ version: v1 labels: - label: "github" + sync: true matcher: # This is shorthand for any: [".github/**"] files: ".github/**" - label: "security" + sync: true matcher: # This is shorthand for any: ["web/security/**", "security/**"] files: [ "web/security/**", "security/**" ] @@ -343,6 +346,7 @@ version: v1 labels: - label: "size: s" + sync: true matcher: files: count: @@ -350,6 +354,7 @@ labels: lte: 4 - label: "size: m" + sync: true matcher: files: count: @@ -357,6 +362,7 @@ labels: lte: 10 - label: "size: l" + sync: true matcher: files: count: @@ -370,12 +376,14 @@ version: v1 labels: - label: "ci" + sync: true matcher: files: any: [ ".github/workflow/**", ".circleci/**" ] all: [ "!app/**" ] - label: "attention" + sync: true matcher: files: any: [ "app/**" ] diff --git a/__tests__/checks.test.ts b/__tests__/checks.test.ts index a7ab6c5..d336205 100644 --- a/__tests__/checks.test.ts +++ b/__tests__/checks.test.ts @@ -3,7 +3,7 @@ import * as github from '@actions/github' import {GitHub} from '@actions/github/lib/utils' import {getConfig} from '../src/config' import * as fs from 'fs' -import {checks, is, joined, StatusCheck} from '../src/checks' +import {checks, is, StatusCheck} from '../src/checks' const client: InstanceType = { repos: { @@ -29,64 +29,6 @@ async function runChecks( return checks(client, config, labels) } -describe('joined', () => { - it('lhs empty should join', function () { - github.context.payload = { - pull_request: { - number: 1, - labels: [] - } - } - - const labels = ['a', 'b', 'c'] - expect(joined(labels)).toEqual(labels) - }) - - it('rhs empty should join', function () { - const labels = ['a', 'b', 'c'] - github.context.payload = { - pull_request: { - number: 1, - labels: labels.map(value => { - return {name: value} - }) - } - } - - expect(joined([])).toEqual(labels) - }) - - it('non empty should join', function () { - const lhs = ['a', 'b', 'c'] - const rhs = ['d', 'e', 'f'] - github.context.payload = { - pull_request: { - number: 1, - labels: lhs.map(value => { - return {name: value} - }) - } - } - - expect(joined(rhs).sort()).toEqual([...lhs, ...rhs].sort()) - }) - - it('should dedupe', function () { - const lhs = ['a', 'b', 'c'] - const rhs = ['c', 'b', 'f'] - github.context.payload = { - pull_request: { - number: 1, - labels: lhs.map(value => { - return {name: value} - }) - } - } - - expect(joined(rhs).sort()).toEqual(['a', 'b', 'c', 'f'].sort()) - }) -}) - describe('is', () => { it('should empty true', function () { expect( @@ -402,6 +344,14 @@ describe('checks', () => { jest.restoreAllMocks() }) + it('should be empty without payload', async function () { + github.context.payload = {} + + const checks = await runChecks('__tests__/fixtures/basic.yml', ['feat']) + + expect(checks.length).toBe(0) + }) + it('no checks', async function () { const checks = await runChecks('__tests__/fixtures/basic.yml', ['feat']) @@ -443,17 +393,9 @@ describe('checks', () => { }) it('feat: success state', async function () { - github.context.payload = { - pull_request: { - number: 1, - labels: [{name: 'feat'}] - } - } - - const checks = await runChecks( - '__tests__/fixtures/semantic-release.yml', - [] - ) + const checks = await runChecks('__tests__/fixtures/semantic-release.yml', [ + 'feat' + ]) expect(checks.length).toBe(1) expect(checks[0].context).toBe('Semantic Pull Request') @@ -465,13 +407,6 @@ describe('checks', () => { }) it('chore: success state', async function () { - github.context.payload = { - pull_request: { - number: 1, - labels: [{name: 'help'}] - } - } - const checks = await runChecks('__tests__/fixtures/semantic-release.yml', [ 'chore' ]) @@ -500,15 +435,10 @@ describe('checks', () => { }) it('fix: success state', async function () { - github.context.payload = { - pull_request: { - number: 1, - labels: [{name: 'bug'}, {name: 'fix'}] - } - } - const checks = await runChecks('__tests__/fixtures/semantic-release.yml', [ - 'none' + 'none', + 'bug', + 'fix' ]) expect(checks.length).toBe(1) diff --git a/__tests__/labeler.test.ts b/__tests__/labeler.test.ts index 7cfb475..ef9fd36 100644 --- a/__tests__/labeler.test.ts +++ b/__tests__/labeler.test.ts @@ -1,8 +1,8 @@ import * as core from '@actions/core' import * as github from '@actions/github' -import {labels} from '../src/labeler' +import {labels, mergeLabels} from '../src/labeler' import {GitHub} from '@actions/github/lib/utils' -import {getConfig} from '../src/config' +import {Config, getConfig} from '../src/config' import * as fs from 'fs' const client: InstanceType = { @@ -153,3 +153,156 @@ describe('labeler', () => { }) }) }) + +describe('mergeLabels, empty config', () => { + const config: Config = { + version: 'v1' + } + + it('lhs empty should join', function () { + github.context.payload = { + pull_request: { + number: 1, + labels: [] + } + } + + const labels = ['a', 'b', 'c'] + expect(mergeLabels(labels, config)).toEqual(labels) + }) + + it('rhs empty should join', function () { + const labels = ['a', 'b', 'c'] + github.context.payload = { + pull_request: { + number: 1, + labels: labels.map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels([], config)).toEqual(labels) + }) + + it('non empty should join', function () { + const lhs = ['a', 'b', 'c'] + const rhs = ['d', 'e', 'f'] + github.context.payload = { + pull_request: { + number: 1, + labels: lhs.map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels(rhs, config).sort()).toEqual([...lhs, ...rhs].sort()) + }) + + it('should dedupe', function () { + const lhs = ['a', 'b', 'c'] + const rhs = ['c', 'b', 'f'] + github.context.payload = { + pull_request: { + number: 1, + labels: lhs.map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels(rhs, config).sort()).toEqual(['a', 'b', 'c', 'f'].sort()) + }) +}) + +describe('mergeLabels, sync config', () => { + const config: Config = { + version: 'v1', + labels: [ + { + label: 'sync1', + sync: true, + matcher: {} + }, + { + label: 'sync2', + sync: true, + matcher: {} + }, + { + label: 'no-sync1', + sync: false, + matcher: {} + }, + { + label: 'no-sync2', + matcher: {} + } + ] + } + + it('lhs empty should join', function () { + github.context.payload = { + pull_request: { + number: 1, + labels: [ + { + name: 'no-sync1' + }, + { + name: 'sync1' + } + ] + } + } + + const labels = ['a', 'b', 'c', 'no-sync1'] + expect(mergeLabels(labels, config).sort()).toEqual(labels.sort()) + }) + + it('rhs empty should join', function () { + github.context.payload = { + pull_request: { + number: 1, + labels: ['a', 'b', 'c', 'no-sync2', 'sync2'].map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels([], config).sort()).toEqual( + ['a', 'b', 'c', 'no-sync2'].sort() + ) + }) + + it('non empty should join', function () { + github.context.payload = { + pull_request: { + number: 1, + labels: ['a', 'b', 'c', 'no-sync1', 'sync1'].map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels(['d', 'e', 'f'], config).sort()).toEqual( + ['a', 'b', 'c', 'd', 'e', 'f', 'no-sync1'].sort() + ) + }) + + it('should dedupe', function () { + github.context.payload = { + pull_request: { + number: 1, + labels: ['a', 'b', 'c', 'no-sync2', 'sync2'].map(value => { + return {name: value} + }) + } + } + + expect(mergeLabels(['c', 'b', 'f'], config).sort()).toEqual( + ['a', 'b', 'c', 'f', 'no-sync2'].sort() + ) + }) +}) diff --git a/__tests__/matcher/utils.test.ts b/__tests__/matcher/utils.test.ts new file mode 100644 index 0000000..3cda35b --- /dev/null +++ b/__tests__/matcher/utils.test.ts @@ -0,0 +1,6 @@ +import {matcherRegex} from "../../src/matcher/utils"; + +it('should always fail', function () { + expect(matcherRegex({regex: undefined, text: 'abc'})) + .toBeFalsy() +}); diff --git a/dist/index.js b/dist/index.js index 496efcf..789425c 100644 --- a/dist/index.js +++ b/dist/index.js @@ -36,15 +36,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge }); }; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.checks = exports.is = exports.joined = void 0; +exports.checks = exports.is = void 0; const github = __importStar(__nccwpck_require__(5438)); -const lodash_1 = __nccwpck_require__(250); -function joined(labels) { - var _a; - const currently = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.labels.map((label) => label.name); - return lodash_1.uniq(lodash_1.concat(labels, currently)); -} -exports.joined = joined; function is(check, labels) { var _a, _b, _c, _d, _e, _f; if ((_b = (_a = check.labels) === null || _a === void 0 ? void 0 : _a.any) === null || _b === void 0 ? void 0 : _b.length) { @@ -69,7 +62,6 @@ function checks(client, config, labels) { if (!((_a = config.checks) === null || _a === void 0 ? void 0 : _a.length)) { return []; } - labels = joined(labels); return config.checks.map(check => { var _a, _b; if (is(check, labels)) { @@ -164,10 +156,15 @@ const Matcher = t.partial({ }) ]) }); -const Label = t.type({ - label: t.string, - matcher: t.union([Matcher, t.undefined]) -}); +const Label = t.intersection([ + t.type({ + label: t.string + }), + t.partial({ + sync: t.boolean, + matcher: Matcher + }) +]); const Check = t.intersection([ t.type({ context: t.string @@ -229,6 +226,25 @@ exports.getConfig = getConfig; "use strict"; +var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); +}) : (function(o, m, k, k2) { + if (k2 === undefined) k2 = k; + o[k2] = m[k]; +})); +var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { + Object.defineProperty(o, "default", { enumerable: true, value: v }); +}) : function(o, v) { + o["default"] = v; +}); +var __importStar = (this && this.__importStar) || function (mod) { + if (mod && mod.__esModule) return mod; + var result = {}; + if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); + __setModuleDefault(result, mod); + return result; +}; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { @@ -242,7 +258,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.labels = void 0; +exports.labels = exports.mergeLabels = void 0; const lodash_1 = __nccwpck_require__(250); const title_1 = __importDefault(__nccwpck_require__(9961)); const body_1 = __importDefault(__nccwpck_require__(5404)); @@ -250,13 +266,30 @@ const comment_1 = __importDefault(__nccwpck_require__(5921)); const branch_1 = __importDefault(__nccwpck_require__(5832)); const commits_1 = __importDefault(__nccwpck_require__(747)); const files_1 = __importDefault(__nccwpck_require__(1180)); +const github = __importStar(__nccwpck_require__(5438)); +function mergeLabels(labels, config) { + var _a; + const payload = github.context.payload.pull_request || github.context.payload.issue; + const currents = ((_a = payload === null || payload === void 0 ? void 0 : payload.labels) === null || _a === void 0 ? void 0 : _a.map((label) => label.name)) || + []; + const removals = (config.labels || []) + .filter(label => { + // Is sync, not matched and currently added as a label in payload + return (label.sync && + !labels.includes(label.label) && + currents.includes(label.label)); + }) + .map(value => value.label); + return lodash_1.difference(lodash_1.uniq(lodash_1.concat(labels, currents)), removals); +} +exports.mergeLabels = mergeLabels; function labels(client, config) { var _a; return __awaiter(this, void 0, void 0, function* () { if (!((_a = config.labels) === null || _a === void 0 ? void 0 : _a.length)) { return []; } - return Promise.all([ + const labels = yield Promise.all([ title_1.default(client, config), body_1.default(client, config), comment_1.default(client, config), @@ -266,6 +299,7 @@ function labels(client, config) { ]).then(value => { return lodash_1.uniq(lodash_1.concat(...value)); }); + return mergeLabels(labels, config); }); } exports.labels = labels; @@ -333,6 +367,27 @@ function addLabels(labels) { }); }); } +function removeLabels(labels, config) { + return __awaiter(this, void 0, void 0, function* () { + return Promise.all((config.labels || []) + .filter(label => { + // Is sync, not matched in final set of labels + return label.sync && !labels.includes(label.label); + }) + .map(label => { + return client.issues + .removeLabel({ + owner: github.context.repo.owner, + repo: github.context.repo.repo, + issue_number: payload.number, + name: label.label + }) + .catch(ignored => { + return undefined; + }); + })); + }); +} function addChecks(checks) { var _a; return __awaiter(this, void 0, void 0, function* () { @@ -361,9 +416,11 @@ function addChecks(checks) { config_1.getConfig(client, configPath) .then((config) => __awaiter(void 0, void 0, void 0, function* () { const labeled = yield labeler_1.labels(client, config); + const finalLabels = labeler_1.mergeLabels(labeled, config); return Promise.all([ - addLabels(labeled), - checks_1.checks(client, config, labeled).then(checks => addChecks(checks)) + addLabels(finalLabels), + removeLabels(finalLabels, config), + checks_1.checks(client, config, finalLabels).then(checks => addChecks(checks)) ]); })) 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(function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.checks = exports.is = exports.joined = void 0;\nconst github = __importStar(require(\"@actions/github\"));\nconst lodash_1 = require(\"lodash\");\nfunction joined(labels) {\n var _a;\n const currently = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.labels.map((label) => label.name);\n return lodash_1.uniq(lodash_1.concat(labels, currently));\n}\nexports.joined = joined;\nfunction is(check, labels) {\n var _a, _b, _c, _d, _e, _f;\n if ((_b = (_a = check.labels) === null || _a === void 0 ? void 0 : _a.any) === null || _b === void 0 ? void 0 : _b.length) {\n if (!labels.some(label => { var _a, _b; return (_b = (_a = check.labels) === null || _a === void 0 ? void 0 : _a.any) === null || _b === void 0 ? void 0 : _b.includes(label); })) {\n return false;\n }\n }\n if ((_d = (_c = check.labels) === null || _c === void 0 ? void 0 : _c.all) === null || _d === void 0 ? void 0 : _d.length) {\n if (!((_f = (_e = check.labels) === null || _e === void 0 ? void 0 : _e.all) === null || _f === void 0 ? void 0 : _f.every(label => labels.includes(label)))) {\n return false;\n }\n }\n return true;\n}\nexports.is = is;\nfunction checks(client, config, labels) {\n var _a;\n return __awaiter(this, void 0, void 0, function* () {\n if (!github.context.payload.pull_request) {\n return [];\n }\n if (!((_a = config.checks) === null || _a === void 0 ? void 0 : _a.length)) {\n return [];\n }\n labels = joined(labels);\n return config.checks.map(check => {\n var _a, _b;\n if (is(check, labels)) {\n return {\n context: check.context,\n url: check.url,\n state: 'success',\n description: typeof check.description === 'string'\n ? check.description\n : (_a = check.description) === null || _a === void 0 ? void 0 : _a.success\n };\n }\n else {\n return {\n context: check.context,\n url: check.url,\n state: 'failure',\n description: typeof check.description === 'string'\n ? check.description\n : (_b = check.description) === null || _b === void 0 ? void 0 : _b.failure\n };\n }\n });\n });\n}\nexports.checks = checks;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getConfig = exports.parse = void 0;\nconst yaml = __importStar(require(\"js-yaml\"));\nconst t = __importStar(require(\"io-ts\"));\nconst io_ts_reporters_1 = __importDefault(require(\"io-ts-reporters\"));\nconst Either_1 = require(\"fp-ts/Either\");\nconst github = __importStar(require(\"@actions/github\"));\nconst Matcher = t.partial({\n title: t.string,\n body: t.string,\n comment: t.string,\n commits: t.string,\n branch: t.string,\n files: t.union([\n t.string,\n t.array(t.string),\n t.partial({\n any: t.array(t.string),\n all: t.array(t.string),\n count: t.partial({\n lte: t.number,\n gte: t.number,\n eq: t.number,\n neq: t.number\n })\n })\n ])\n});\nconst Label = t.type({\n label: t.string,\n matcher: t.union([Matcher, t.undefined])\n});\nconst Check = t.intersection([\n t.type({\n context: t.string\n }),\n t.partial({\n url: t.string,\n description: t.union([\n t.string,\n t.partial({\n success: t.string,\n failure: t.string\n })\n ]),\n labels: t.partial({\n any: t.array(t.string),\n all: t.array(t.string)\n })\n })\n]);\nconst Config = t.intersection([\n t.type({\n version: t.literal('v1')\n }),\n t.partial({\n labels: t.array(Label),\n checks: t.array(Check)\n })\n]);\nfunction parse(content) {\n const config = yaml.load(content);\n const decoded = Config.decode(config);\n if (Either_1.isRight(decoded)) {\n return decoded.right;\n }\n else {\n throw new Error(`labeler.yml parse error:\\\\n${io_ts_reporters_1.default.report(decoded).join('\\\\n')}`);\n }\n}\nexports.parse = parse;\nfunction getConfig(client, configPath) {\n return __awaiter(this, void 0, void 0, function* () {\n const response = yield client.repos.getContent({\n owner: github.context.repo.owner,\n repo: github.context.repo.repo,\n ref: github.context.sha,\n path: configPath\n });\n const content = yield Buffer.from(response.data.content, response.data.encoding).toString();\n return parse(content);\n });\n}\nexports.getConfig = getConfig;\n","\"use strict\";\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.labels = void 0;\nconst lodash_1 = require(\"lodash\");\nconst title_1 = __importDefault(require(\"./matcher/title\"));\nconst body_1 = __importDefault(require(\"./matcher/body\"));\nconst comment_1 = __importDefault(require(\"./matcher/comment\"));\nconst branch_1 = __importDefault(require(\"./matcher/branch\"));\nconst commits_1 = __importDefault(require(\"./matcher/commits\"));\nconst files_1 = __importDefault(require(\"./matcher/files\"));\nfunction labels(client, config) {\n var _a;\n return __awaiter(this, void 0, void 0, function* () {\n if (!((_a = config.labels) === null || _a === void 0 ? void 0 : _a.length)) {\n return [];\n }\n return Promise.all([\n title_1.default(client, config),\n body_1.default(client, config),\n comment_1.default(client, config),\n branch_1.default(client, config),\n commits_1.default(client, config),\n files_1.default(client, config)\n ]).then(value => {\n return lodash_1.uniq(lodash_1.concat(...value));\n });\n });\n}\nexports.labels = labels;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? 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(function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst core = __importStar(require(\"@actions/core\"));\nconst github = __importStar(require(\"@actions/github\"));\nconst labeler_1 = require(\"./labeler\");\nconst config_1 = require(\"./config\");\nconst checks_1 = require(\"./checks\");\nconst githubToken = core.getInput('github-token');\nconst configPath = core.getInput('config-path', { required: true });\nconst client = github.getOctokit(githubToken);\nconst payload = github.context.payload.pull_request || github.context.payload.issue;\nif (!(payload === null || payload === void 0 ? void 0 : payload.number)) {\n throw new Error('Could not get issue_number from pull_request or issue from context');\n}\nfunction addLabels(labels) {\n return __awaiter(this, void 0, void 0, function* () {\n core.setOutput('labels', labels);\n if (!labels.length) {\n return;\n }\n yield client.issues.addLabels({\n owner: github.context.repo.owner,\n repo: github.context.repo.repo,\n issue_number: payload.number,\n labels: labels\n });\n });\n}\nfunction addChecks(checks) {\n var _a;\n return __awaiter(this, void 0, void 0, function* () {\n if (!checks.length) {\n return;\n }\n if (!github.context.payload.pull_request) {\n return;\n }\n const sha = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.head.sha;\n yield Promise.all([\n checks.map(check => {\n client.repos.createCommitStatus({\n owner: github.context.repo.owner,\n repo: github.context.repo.repo,\n sha: sha,\n context: check.context,\n state: check.state,\n description: check.description,\n target_url: check.url\n });\n })\n ]);\n });\n}\nconfig_1.getConfig(client, configPath)\n .then((config) => __awaiter(void 0, void 0, void 0, function* () {\n const labeled = yield labeler_1.labels(client, config);\n return Promise.all([\n addLabels(labeled),\n checks_1.checks(client, config, labeled).then(checks => addChecks(checks))\n ]);\n}))\n .catch(error => {\n core.error(error);\n core.setFailed(error.message);\n});\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst utils_1 = require(\"./utils\");\nfunction match(client, config) {\n const payload = github.context.payload.pull_request || github.context.payload.issue;\n const body = payload === null || payload === void 0 ? void 0 : payload.body;\n if (!body) {\n return [];\n }\n return config\n .labels.filter(value => {\n var _a;\n return utils_1.matcherRegex({ regex: (_a = value.matcher) === null || _a === void 0 ? void 0 : _a.body, text: body });\n })\n .map(value => value.label);\n}\nexports.default = match;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst utils_1 = require(\"./utils\");\nfunction match(client, config) {\n var _a;\n const payload = github.context.payload.pull_request;\n const ref = (_a = payload === null || payload === void 0 ? void 0 : payload.head) === null || _a === void 0 ? void 0 : _a.ref;\n if (!ref) {\n return [];\n }\n return config\n .labels.filter(value => {\n var _a;\n return utils_1.matcherRegex({ regex: (_a = value.matcher) === null || _a === void 0 ? void 0 : _a.branch, text: ref });\n })\n .map(value => value.label);\n}\nexports.default = match;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst utils_1 = require(\"./utils\");\nfunction match(client, config) {\n var _a;\n const body = (_a = github.context.payload.comment) === null || _a === void 0 ? void 0 : _a.body;\n if (!body) {\n return [];\n }\n return config\n .labels.filter(value => {\n var _a;\n return utils_1.matcherRegex({ regex: (_a = value.matcher) === null || _a === void 0 ? void 0 : _a.comment, text: body });\n })\n .map(value => value.label);\n}\nexports.default = match;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst utils_1 = require(\"./utils\");\nfunction match(client, config) {\n var _a;\n return __awaiter(this, void 0, void 0, function* () {\n const number = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.number;\n if (!number) {\n return [];\n }\n const matchers = config.labels.filter(value => {\n var _a;\n return (_a = value.matcher) === null || _a === void 0 ? void 0 : _a.commits;\n });\n if (!matchers.length) {\n return [];\n }\n const responses = yield client.paginate(client.pulls.listCommits.endpoint.merge({\n owner: github.context.repo.owner,\n repo: github.context.repo.repo,\n pull_number: number\n }));\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const messages = responses.map((c) => c.commit.message);\n return matchers\n .filter(value => {\n return utils_1.matcherRegexAny(value.matcher.commits, messages);\n })\n .map(value => value.label);\n });\n}\nexports.default = match;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst minimatch_1 = require(\"minimatch\");\n/**\n * Get a type-safe FileMatcher\n */\nfunction getMatchers(config) {\n return config\n .labels.filter(value => {\n var _a, _b, _c;\n if (Array.isArray((_a = value.matcher) === null || _a === void 0 ? void 0 : _a.files)) {\n return (_b = value.matcher) === null || _b === void 0 ? void 0 : _b.files.length;\n }\n return (_c = value.matcher) === null || _c === void 0 ? void 0 : _c.files;\n })\n .map(({ label, matcher }) => {\n var _a, _b, _c, _d;\n const files = matcher.files;\n if (typeof files === 'string') {\n return {\n label,\n any: [files],\n all: []\n };\n }\n if (Array.isArray(files)) {\n return {\n label,\n any: files,\n all: []\n };\n }\n return {\n label,\n any: files.any || [],\n all: files.all || [],\n count: {\n lte: (_a = files.count) === null || _a === void 0 ? void 0 : _a.lte,\n gte: (_b = files.count) === null || _b === void 0 ? void 0 : _b.gte,\n eq: (_c = files.count) === null || _c === void 0 ? void 0 : _c.eq,\n neq: (_d = files.count) === null || _d === void 0 ? void 0 : _d.neq\n }\n };\n })\n .filter(({ any, all, count }) => {\n return (any.length ||\n all.length || (count === null || count === void 0 ? void 0 : count.lte) || (count === null || count === void 0 ? void 0 : count.gte) || (count === null || count === void 0 ? void 0 : count.eq) || (count === null || count === void 0 ? void 0 : count.neq));\n });\n}\nfunction getFiles(client, pr_number) {\n return __awaiter(this, void 0, void 0, function* () {\n const responses = yield client.paginate(client.pulls.listFiles.endpoint.merge({\n owner: github.context.repo.owner,\n repo: github.context.repo.repo,\n pull_number: pr_number\n }));\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return responses.map((c) => c.filename);\n });\n}\n/**\n * if globs is empty = matched\n * if globs is not empty, any files must match\n */\nfunction anyMatch(files, globs) {\n if (!globs.length) {\n return true;\n }\n const matchers = globs.map(g => new minimatch_1.Minimatch(g));\n for (const matcher of matchers) {\n for (const file of files) {\n if (matcher.match(file)) {\n return true;\n }\n }\n }\n return false;\n}\n/**\n * if globs is empty = matched\n * if globs is not empty, all files must match\n */\nfunction allMatch(files, globs) {\n const matchers = globs.map(g => new minimatch_1.Minimatch(g));\n for (const matcher of matchers) {\n for (const file of files) {\n if (!matcher.match(file)) {\n return false;\n }\n }\n }\n return true;\n}\n/**\n * if count not available, return true\n * else all count pattern must match,\n * ignored if any are undefined\n */\nfunction countMatch(files, count) {\n if (!count) {\n return true;\n }\n return (((count === null || count === void 0 ? void 0 : count.eq) === undefined || count.eq === files.length) &&\n ((count === null || count === void 0 ? void 0 : count.neq) === undefined || count.neq !== files.length) &&\n ((count === null || count === void 0 ? void 0 : count.lte) === undefined || count.lte >= files.length) &&\n ((count === null || count === void 0 ? void 0 : count.gte) === undefined || count.gte <= files.length));\n}\nfunction match(client, config) {\n var _a;\n return __awaiter(this, void 0, void 0, function* () {\n const pr_number = (_a = github.context.payload.pull_request) === null || _a === void 0 ? void 0 : _a.number;\n if (!pr_number) {\n return [];\n }\n const matchers = getMatchers(config);\n if (!matchers.length) {\n return [];\n }\n const files = yield getFiles(client, pr_number);\n return matchers\n .filter(matcher => {\n return (allMatch(files, matcher.all) &&\n anyMatch(files, matcher.any) &&\n countMatch(files, matcher.count));\n })\n .map(value => value.label);\n });\n}\nexports.default = match;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst github = __importStar(require(\"@actions/github\"));\nconst utils_1 = require(\"./utils\");\nfunction match(client, config) {\n const payload = github.context.payload.pull_request || github.context.payload.issue;\n const title = payload === null || payload === void 0 ? void 0 : payload.title;\n if (!title) {\n return [];\n }\n return config\n .labels.filter(value => {\n var _a;\n return utils_1.matcherRegex({ regex: (_a = value.matcher) === null || _a === void 0 ? void 0 : _a.title, text: title });\n })\n .map(value => value.label);\n}\nexports.default = match;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.matcherRegexAny = exports.matcherRegex = void 0;\nfunction matcherRegex({ regex, text }) {\n if (!regex) {\n return false;\n }\n return new RegExp(regex).test(text);\n}\nexports.matcherRegex = matcherRegex;\nfunction matcherRegexAny(regex, anyTexts) {\n const re = new RegExp(regex);\n return !!anyTexts.find(text => {\n return re.test(text);\n });\n}\nexports.matcherRegexAny = matcherRegexAny;\n","\"use strict\";\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\n result[\"default\"] = mod;\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst os = __importStar(require(\"os\"));\nconst utils_1 = require(\"./utils\");\n/**\n * Commands\n *\n * Command Format:\n * ::name key=value,key=value::message\n *\n * Examples:\n * ::warning::This is the message\n * ::set-env name=MY_VAR::some value\n */\nfunction issueCommand(command, properties, message) {\n const cmd = new Command(command, properties, message);\n process.stdout.write(cmd.toString() + os.EOL);\n}\nexports.issueCommand = issueCommand;\nfunction issue(name, message = '') {\n issueCommand(name, {}, message);\n}\nexports.issue = issue;\nconst CMD_STRING = '::';\nclass Command {\n constructor(command, properties, message) {\n if (!command) {\n command = 'missing.command';\n }\n this.command = command;\n this.properties = properties;\n this.message = message;\n }\n toString() {\n let cmdStr = CMD_STRING + this.command;\n if (this.properties && Object.keys(this.properties).length > 0) {\n cmdStr += ' ';\n let first = true;\n for (const key in this.properties) {\n if (this.properties.hasOwnProperty(key)) {\n const val = this.properties[key];\n if (val) {\n if (first) {\n first = false;\n }\n else {\n cmdStr += ',';\n }\n cmdStr += `${key}=${escapeProperty(val)}`;\n }\n }\n }\n }\n cmdStr += `${CMD_STRING}${escapeData(this.message)}`;\n return cmdStr;\n }\n}\nfunction escapeData(s) {\n return utils_1.toCommandValue(s)\n .replace(/%/g, '%25')\n .replace(/\\r/g, '%0D')\n .replace(/\\n/g, '%0A');\n}\nfunction escapeProperty(s) {\n return utils_1.toCommandValue(s)\n .replace(/%/g, '%25')\n .replace(/\\r/g, '%0D')\n .replace(/\\n/g, '%0A')\n .replace(/:/g, '%3A')\n .replace(/,/g, '%2C');\n}\n//# sourceMappingURL=command.js.map","\"use strict\";\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\n result[\"default\"] = mod;\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst command_1 = require(\"./command\");\nconst file_command_1 = require(\"./file-command\");\nconst utils_1 = require(\"./utils\");\nconst os = __importStar(require(\"os\"));\nconst path = __importStar(require(\"path\"));\n/**\n * The code to exit an action\n */\nvar ExitCode;\n(function (ExitCode) {\n /**\n * A code indicating that the action was successful\n */\n ExitCode[ExitCode[\"Success\"] = 0] = \"Success\";\n /**\n * A code indicating that the action was a failure\n */\n ExitCode[ExitCode[\"Failure\"] = 1] = \"Failure\";\n})(ExitCode = exports.ExitCode || (exports.ExitCode = {}));\n//-----------------------------------------------------------------------\n// Variables\n//-----------------------------------------------------------------------\n/**\n * Sets env variable for this action and future actions in the job\n * @param name the name of the variable to set\n * @param val the value of the variable. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction exportVariable(name, val) {\n const convertedVal = utils_1.toCommandValue(val);\n process.env[name] = convertedVal;\n const filePath = process.env['GITHUB_ENV'] || '';\n if (filePath) {\n const delimiter = '_GitHubActionsFileCommandDelimeter_';\n const commandValue = `${name}<<${delimiter}${os.EOL}${convertedVal}${os.EOL}${delimiter}`;\n file_command_1.issueCommand('ENV', commandValue);\n }\n else {\n command_1.issueCommand('set-env', { name }, convertedVal);\n }\n}\nexports.exportVariable = exportVariable;\n/**\n * Registers a secret which will get masked from logs\n * @param secret value of the secret\n */\nfunction setSecret(secret) {\n command_1.issueCommand('add-mask', {}, secret);\n}\nexports.setSecret = setSecret;\n/**\n * Prepends inputPath to the PATH (for this action and future actions)\n * @param inputPath\n */\nfunction addPath(inputPath) {\n const filePath = process.env['GITHUB_PATH'] || '';\n if (filePath) {\n file_command_1.issueCommand('PATH', inputPath);\n }\n else {\n command_1.issueCommand('add-path', {}, inputPath);\n }\n process.env['PATH'] = `${inputPath}${path.delimiter}${process.env['PATH']}`;\n}\nexports.addPath = addPath;\n/**\n * Gets the value of an input. The value is also trimmed.\n *\n * @param name name of the input to get\n * @param options optional. See InputOptions.\n * @returns string\n */\nfunction getInput(name, options) {\n const val = process.env[`INPUT_${name.replace(/ /g, '_').toUpperCase()}`] || '';\n if (options && options.required && !val) {\n throw new Error(`Input required and not supplied: ${name}`);\n }\n return val.trim();\n}\nexports.getInput = getInput;\n/**\n * Sets the value of an output.\n *\n * @param name name of the output to set\n * @param value value to store. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction setOutput(name, value) {\n command_1.issueCommand('set-output', { name }, value);\n}\nexports.setOutput = setOutput;\n/**\n * Enables or disables the echoing of commands into stdout for the rest of the step.\n * Echoing is disabled by default if ACTIONS_STEP_DEBUG is not set.\n *\n */\nfunction setCommandEcho(enabled) {\n command_1.issue('echo', enabled ? 'on' : 'off');\n}\nexports.setCommandEcho = setCommandEcho;\n//-----------------------------------------------------------------------\n// Results\n//-----------------------------------------------------------------------\n/**\n * Sets the action status to failed.\n * When the action exits it will be with an exit code of 1\n * @param message add error issue message\n */\nfunction setFailed(message) {\n process.exitCode = ExitCode.Failure;\n error(message);\n}\nexports.setFailed = setFailed;\n//-----------------------------------------------------------------------\n// Logging Commands\n//-----------------------------------------------------------------------\n/**\n * Gets whether Actions Step Debug is on or not\n */\nfunction isDebug() {\n return process.env['RUNNER_DEBUG'] === '1';\n}\nexports.isDebug = isDebug;\n/**\n * Writes debug message to user log\n * @param message debug message\n */\nfunction debug(message) {\n command_1.issueCommand('debug', {}, message);\n}\nexports.debug = debug;\n/**\n * Adds an error issue\n * @param message error issue message. Errors will be converted to string via toString()\n */\nfunction error(message) {\n command_1.issue('error', message instanceof Error ? message.toString() : message);\n}\nexports.error = error;\n/**\n * Adds an warning issue\n * @param message warning issue message. Errors will be converted to string via toString()\n */\nfunction warning(message) {\n command_1.issue('warning', message instanceof Error ? message.toString() : message);\n}\nexports.warning = warning;\n/**\n * Writes info to log with console.log.\n * @param message info message\n */\nfunction info(message) {\n process.stdout.write(message + os.EOL);\n}\nexports.info = info;\n/**\n * Begin an output group.\n *\n * Output until the next `groupEnd` will be foldable in this group\n *\n * @param name The name of the output group\n */\nfunction startGroup(name) {\n command_1.issue('group', name);\n}\nexports.startGroup = startGroup;\n/**\n * End an output group.\n */\nfunction endGroup() {\n command_1.issue('endgroup');\n}\nexports.endGroup = endGroup;\n/**\n * Wrap an asynchronous function call in a group.\n *\n * Returns the same type as the function itself.\n *\n * @param name The name of the group\n * @param fn The function to wrap in the group\n */\nfunction group(name, fn) {\n return __awaiter(this, void 0, void 0, function* () {\n startGroup(name);\n let result;\n try {\n result = yield fn();\n }\n finally {\n endGroup();\n }\n return result;\n });\n}\nexports.group = group;\n//-----------------------------------------------------------------------\n// Wrapper action state\n//-----------------------------------------------------------------------\n/**\n * Saves state for current action, the state can only be retrieved by this action's post job execution.\n *\n * @param name name of the state to store\n * @param value value to store. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction saveState(name, value) {\n command_1.issueCommand('save-state', { name }, value);\n}\nexports.saveState = saveState;\n/**\n * Gets the value of an state set by this action's main execution.\n *\n * @param name name of the state to get\n * @returns string\n */\nfunction getState(name) {\n return process.env[`STATE_${name}`] || '';\n}\nexports.getState = getState;\n//# sourceMappingURL=core.js.map","\"use strict\";\n// For internal use, subject to change.\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\n result[\"default\"] = mod;\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\n// We use any as a valid input type\n/* eslint-disable @typescript-eslint/no-explicit-any */\nconst fs = __importStar(require(\"fs\"));\nconst os = __importStar(require(\"os\"));\nconst utils_1 = require(\"./utils\");\nfunction issueCommand(command, message) {\n const filePath = process.env[`GITHUB_${command}`];\n if (!filePath) {\n throw new Error(`Unable to find environment variable for file command ${command}`);\n }\n if (!fs.existsSync(filePath)) {\n throw new Error(`Missing file at path: ${filePath}`);\n }\n fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os.EOL}`, {\n encoding: 'utf8'\n });\n}\nexports.issueCommand = issueCommand;\n//# sourceMappingURL=file-command.js.map","\"use strict\";\n// We use any as a valid input type\n/* eslint-disable @typescript-eslint/no-explicit-any */\nObject.defineProperty(exports, \"__esModule\", { value: true });\n/**\n * Sanitizes an input into a string so it can be passed into issueCommand safely\n * @param input input to sanitize into a string\n */\nfunction toCommandValue(input) {\n if (input === null || input === undefined) {\n return '';\n }\n else if (typeof input === 'string' || input instanceof String) {\n return input;\n }\n return JSON.stringify(input);\n}\nexports.toCommandValue = toCommandValue;\n//# sourceMappingURL=utils.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.Context = void 0;\nconst fs_1 = require(\"fs\");\nconst os_1 = require(\"os\");\nclass Context {\n /**\n * Hydrate the context from the environment\n */\n constructor() {\n this.payload = {};\n if (process.env.GITHUB_EVENT_PATH) {\n if (fs_1.existsSync(process.env.GITHUB_EVENT_PATH)) {\n this.payload = JSON.parse(fs_1.readFileSync(process.env.GITHUB_EVENT_PATH, { encoding: 'utf8' }));\n }\n else {\n const path = process.env.GITHUB_EVENT_PATH;\n process.stdout.write(`GITHUB_EVENT_PATH ${path} does not exist${os_1.EOL}`);\n }\n }\n this.eventName = process.env.GITHUB_EVENT_NAME;\n this.sha = process.env.GITHUB_SHA;\n this.ref = process.env.GITHUB_REF;\n this.workflow = process.env.GITHUB_WORKFLOW;\n this.action = process.env.GITHUB_ACTION;\n this.actor = process.env.GITHUB_ACTOR;\n this.job = process.env.GITHUB_JOB;\n this.runNumber = parseInt(process.env.GITHUB_RUN_NUMBER, 10);\n this.runId = parseInt(process.env.GITHUB_RUN_ID, 10);\n }\n get issue() {\n const payload = this.payload;\n return Object.assign(Object.assign({}, this.repo), { number: (payload.issue || payload.pull_request || payload).number });\n }\n get repo() {\n if (process.env.GITHUB_REPOSITORY) {\n const [owner, repo] = process.env.GITHUB_REPOSITORY.split('/');\n return { owner, repo };\n }\n if (this.payload.repository) {\n return {\n owner: this.payload.repository.owner.login,\n repo: this.payload.repository.name\n };\n }\n throw new Error(\"context.repo requires a GITHUB_REPOSITORY environment variable like 'owner/repo'\");\n }\n}\nexports.Context = Context;\n//# sourceMappingURL=context.js.map","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getOctokit = exports.context = void 0;\nconst Context = __importStar(require(\"./context\"));\nconst utils_1 = require(\"./utils\");\nexports.context = new Context.Context();\n/**\n * Returns a hydrated octokit ready to use for GitHub Actions\n *\n * @param token the repo PAT or GITHUB_TOKEN\n * @param options other options to set\n */\nfunction getOctokit(token, options) {\n return new utils_1.GitHub(utils_1.getOctokitOptions(token, options));\n}\nexports.getOctokit = getOctokit;\n//# sourceMappingURL=github.js.map","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getApiBaseUrl = exports.getProxyAgent = exports.getAuthString = void 0;\nconst httpClient = __importStar(require(\"@actions/http-client\"));\nfunction getAuthString(token, options) {\n if (!token && !options.auth) {\n throw new Error('Parameter token or opts.auth is required');\n }\n else if (token && options.auth) {\n throw new Error('Parameters token and opts.auth may not both be specified');\n }\n return typeof options.auth === 'string' ? options.auth : `token ${token}`;\n}\nexports.getAuthString = getAuthString;\nfunction getProxyAgent(destinationUrl) {\n const hc = new httpClient.HttpClient();\n return hc.getAgent(destinationUrl);\n}\nexports.getProxyAgent = getProxyAgent;\nfunction getApiBaseUrl() {\n return process.env['GITHUB_API_URL'] || 'https://api.github.com';\n}\nexports.getApiBaseUrl = getApiBaseUrl;\n//# sourceMappingURL=utils.js.map","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getOctokitOptions = exports.GitHub = exports.context = void 0;\nconst Context = __importStar(require(\"./context\"));\nconst Utils = __importStar(require(\"./internal/utils\"));\n// octokit + plugins\nconst core_1 = require(\"@octokit/core\");\nconst plugin_rest_endpoint_methods_1 = require(\"@octokit/plugin-rest-endpoint-methods\");\nconst plugin_paginate_rest_1 = require(\"@octokit/plugin-paginate-rest\");\nexports.context = new Context.Context();\nconst baseUrl = Utils.getApiBaseUrl();\nconst defaults = {\n baseUrl,\n request: {\n agent: Utils.getProxyAgent(baseUrl)\n }\n};\nexports.GitHub = core_1.Octokit.plugin(plugin_rest_endpoint_methods_1.restEndpointMethods, plugin_paginate_rest_1.paginateRest).defaults(defaults);\n/**\n * Convience function to correctly format Octokit Options to pass into the constructor.\n *\n * @param token the repo PAT or GITHUB_TOKEN\n * @param options other options to set\n */\nfunction getOctokitOptions(token, options) {\n const opts = Object.assign({}, options || {}); // Shallow clone - don't mutate the object provided by the caller\n // Auth\n const auth = Utils.getAuthString(token, opts);\n if (auth) {\n opts.auth = auth;\n }\n return opts;\n}\nexports.getOctokitOptions = getOctokitOptions;\n//# sourceMappingURL=utils.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst http = require(\"http\");\nconst https = require(\"https\");\nconst pm = require(\"./proxy\");\nlet tunnel;\nvar HttpCodes;\n(function (HttpCodes) {\n HttpCodes[HttpCodes[\"OK\"] = 200] = \"OK\";\n HttpCodes[HttpCodes[\"MultipleChoices\"] = 300] = \"MultipleChoices\";\n HttpCodes[HttpCodes[\"MovedPermanently\"] = 301] = \"MovedPermanently\";\n HttpCodes[HttpCodes[\"ResourceMoved\"] = 302] = \"ResourceMoved\";\n HttpCodes[HttpCodes[\"SeeOther\"] = 303] = \"SeeOther\";\n HttpCodes[HttpCodes[\"NotModified\"] = 304] = \"NotModified\";\n HttpCodes[HttpCodes[\"UseProxy\"] = 305] = \"UseProxy\";\n HttpCodes[HttpCodes[\"SwitchProxy\"] = 306] = \"SwitchProxy\";\n HttpCodes[HttpCodes[\"TemporaryRedirect\"] = 307] = \"TemporaryRedirect\";\n HttpCodes[HttpCodes[\"PermanentRedirect\"] = 308] = \"PermanentRedirect\";\n HttpCodes[HttpCodes[\"BadRequest\"] = 400] = \"BadRequest\";\n HttpCodes[HttpCodes[\"Unauthorized\"] = 401] = \"Unauthorized\";\n HttpCodes[HttpCodes[\"PaymentRequired\"] = 402] = \"PaymentRequired\";\n HttpCodes[HttpCodes[\"Forbidden\"] = 403] = \"Forbidden\";\n HttpCodes[HttpCodes[\"NotFound\"] = 404] = \"NotFound\";\n HttpCodes[HttpCodes[\"MethodNotAllowed\"] = 405] = \"MethodNotAllowed\";\n HttpCodes[HttpCodes[\"NotAcceptable\"] = 406] = \"NotAcceptable\";\n HttpCodes[HttpCodes[\"ProxyAuthenticationRequired\"] = 407] = \"ProxyAuthenticationRequired\";\n HttpCodes[HttpCodes[\"RequestTimeout\"] = 408] = \"RequestTimeout\";\n HttpCodes[HttpCodes[\"Conflict\"] = 409] = \"Conflict\";\n HttpCodes[HttpCodes[\"Gone\"] = 410] = \"Gone\";\n HttpCodes[HttpCodes[\"TooManyRequests\"] = 429] = \"TooManyRequests\";\n HttpCodes[HttpCodes[\"InternalServerError\"] = 500] = \"InternalServerError\";\n HttpCodes[HttpCodes[\"NotImplemented\"] = 501] = \"NotImplemented\";\n HttpCodes[HttpCodes[\"BadGateway\"] = 502] = \"BadGateway\";\n HttpCodes[HttpCodes[\"ServiceUnavailable\"] = 503] = \"ServiceUnavailable\";\n HttpCodes[HttpCodes[\"GatewayTimeout\"] = 504] = \"GatewayTimeout\";\n})(HttpCodes = exports.HttpCodes || (exports.HttpCodes = {}));\nvar Headers;\n(function (Headers) {\n Headers[\"Accept\"] = \"accept\";\n Headers[\"ContentType\"] = \"content-type\";\n})(Headers = exports.Headers || (exports.Headers = {}));\nvar MediaTypes;\n(function (MediaTypes) {\n MediaTypes[\"ApplicationJson\"] = \"application/json\";\n})(MediaTypes = exports.MediaTypes || (exports.MediaTypes = {}));\n/**\n * Returns the proxy URL, depending upon the supplied url and proxy environment variables.\n * @param serverUrl The server URL where the request will be sent. For example, https://api.github.com\n */\nfunction getProxyUrl(serverUrl) {\n let proxyUrl = pm.getProxyUrl(new URL(serverUrl));\n return proxyUrl ? proxyUrl.href : '';\n}\nexports.getProxyUrl = getProxyUrl;\nconst HttpRedirectCodes = [\n HttpCodes.MovedPermanently,\n HttpCodes.ResourceMoved,\n HttpCodes.SeeOther,\n HttpCodes.TemporaryRedirect,\n HttpCodes.PermanentRedirect\n];\nconst HttpResponseRetryCodes = [\n HttpCodes.BadGateway,\n HttpCodes.ServiceUnavailable,\n HttpCodes.GatewayTimeout\n];\nconst RetryableHttpVerbs = ['OPTIONS', 'GET', 'DELETE', 'HEAD'];\nconst ExponentialBackoffCeiling = 10;\nconst ExponentialBackoffTimeSlice = 5;\nclass HttpClientError extends Error {\n constructor(message, statusCode) {\n super(message);\n this.name = 'HttpClientError';\n this.statusCode = statusCode;\n Object.setPrototypeOf(this, HttpClientError.prototype);\n }\n}\nexports.HttpClientError = HttpClientError;\nclass HttpClientResponse {\n constructor(message) {\n this.message = message;\n }\n readBody() {\n return new Promise(async (resolve, reject) => {\n let output = Buffer.alloc(0);\n this.message.on('data', (chunk) => {\n output = Buffer.concat([output, chunk]);\n });\n this.message.on('end', () => {\n resolve(output.toString());\n });\n });\n }\n}\nexports.HttpClientResponse = HttpClientResponse;\nfunction isHttps(requestUrl) {\n let parsedUrl = new URL(requestUrl);\n return parsedUrl.protocol === 'https:';\n}\nexports.isHttps = isHttps;\nclass HttpClient {\n constructor(userAgent, handlers, requestOptions) {\n this._ignoreSslError = false;\n this._allowRedirects = true;\n this._allowRedirectDowngrade = false;\n this._maxRedirects = 50;\n this._allowRetries = false;\n this._maxRetries = 1;\n this._keepAlive = false;\n this._disposed = false;\n this.userAgent = userAgent;\n this.handlers = handlers || [];\n this.requestOptions = requestOptions;\n if (requestOptions) {\n if (requestOptions.ignoreSslError != null) {\n this._ignoreSslError = requestOptions.ignoreSslError;\n }\n this._socketTimeout = requestOptions.socketTimeout;\n if (requestOptions.allowRedirects != null) {\n this._allowRedirects = requestOptions.allowRedirects;\n }\n if (requestOptions.allowRedirectDowngrade != null) {\n this._allowRedirectDowngrade = requestOptions.allowRedirectDowngrade;\n }\n if (requestOptions.maxRedirects != null) {\n this._maxRedirects = Math.max(requestOptions.maxRedirects, 0);\n }\n if (requestOptions.keepAlive != null) {\n this._keepAlive = requestOptions.keepAlive;\n }\n if (requestOptions.allowRetries != null) {\n this._allowRetries = requestOptions.allowRetries;\n }\n if (requestOptions.maxRetries != null) {\n this._maxRetries = requestOptions.maxRetries;\n }\n }\n }\n options(requestUrl, additionalHeaders) {\n return this.request('OPTIONS', requestUrl, null, additionalHeaders || {});\n }\n get(requestUrl, additionalHeaders) {\n return this.request('GET', requestUrl, null, additionalHeaders || {});\n }\n del(requestUrl, additionalHeaders) {\n return this.request('DELETE', requestUrl, null, additionalHeaders || {});\n }\n post(requestUrl, data, additionalHeaders) {\n return this.request('POST', requestUrl, data, additionalHeaders || {});\n }\n patch(requestUrl, data, additionalHeaders) {\n return this.request('PATCH', requestUrl, data, additionalHeaders || {});\n }\n put(requestUrl, data, additionalHeaders) {\n return this.request('PUT', requestUrl, data, additionalHeaders || {});\n }\n head(requestUrl, additionalHeaders) {\n return this.request('HEAD', requestUrl, null, additionalHeaders || {});\n }\n sendStream(verb, requestUrl, stream, additionalHeaders) {\n return this.request(verb, requestUrl, stream, additionalHeaders);\n }\n /**\n * Gets a typed object from an endpoint\n * Be aware that not found returns a null. Other errors (4xx, 5xx) reject the promise\n */\n async getJson(requestUrl, additionalHeaders = {}) {\n additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);\n let res = await this.get(requestUrl, additionalHeaders);\n return this._processResponse(res, this.requestOptions);\n }\n async postJson(requestUrl, obj, additionalHeaders = {}) {\n let data = JSON.stringify(obj, null, 2);\n additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);\n additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);\n let res = await this.post(requestUrl, data, additionalHeaders);\n return this._processResponse(res, this.requestOptions);\n }\n async putJson(requestUrl, obj, additionalHeaders = {}) {\n let data = JSON.stringify(obj, null, 2);\n additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);\n additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);\n let res = await this.put(requestUrl, data, additionalHeaders);\n return this._processResponse(res, this.requestOptions);\n }\n async patchJson(requestUrl, obj, additionalHeaders = {}) {\n let data = JSON.stringify(obj, null, 2);\n additionalHeaders[Headers.Accept] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.Accept, MediaTypes.ApplicationJson);\n additionalHeaders[Headers.ContentType] = this._getExistingOrDefaultHeader(additionalHeaders, Headers.ContentType, MediaTypes.ApplicationJson);\n let res = await this.patch(requestUrl, data, additionalHeaders);\n return this._processResponse(res, this.requestOptions);\n }\n /**\n * Makes a raw http request.\n * All other methods such as get, post, patch, and request ultimately call this.\n * Prefer get, del, post and patch\n */\n async request(verb, requestUrl, data, headers) {\n if (this._disposed) {\n throw new Error('Client has already been disposed.');\n }\n let parsedUrl = new URL(requestUrl);\n let info = this._prepareRequest(verb, parsedUrl, headers);\n // Only perform retries on reads since writes may not be idempotent.\n let maxTries = this._allowRetries && RetryableHttpVerbs.indexOf(verb) != -1\n ? this._maxRetries + 1\n : 1;\n let numTries = 0;\n let response;\n while (numTries < maxTries) {\n response = await this.requestRaw(info, data);\n // Check if it's an authentication challenge\n if (response &&\n response.message &&\n response.message.statusCode === HttpCodes.Unauthorized) {\n let authenticationHandler;\n for (let i = 0; i < this.handlers.length; i++) {\n if (this.handlers[i].canHandleAuthentication(response)) {\n authenticationHandler = this.handlers[i];\n break;\n }\n }\n if (authenticationHandler) {\n return authenticationHandler.handleAuthentication(this, info, data);\n }\n else {\n // We have received an unauthorized response but have no handlers to handle it.\n // Let the response return to the caller.\n return response;\n }\n }\n let redirectsRemaining = this._maxRedirects;\n while (HttpRedirectCodes.indexOf(response.message.statusCode) != -1 &&\n this._allowRedirects &&\n redirectsRemaining > 0) {\n const redirectUrl = response.message.headers['location'];\n if (!redirectUrl) {\n // if there's no location to redirect to, we won't\n break;\n }\n let parsedRedirectUrl = new URL(redirectUrl);\n if (parsedUrl.protocol == 'https:' &&\n parsedUrl.protocol != parsedRedirectUrl.protocol &&\n !this._allowRedirectDowngrade) {\n throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');\n }\n // we need to finish reading the response before reassigning response\n // which will leak the open socket.\n await response.readBody();\n // strip authorization header if redirected to a different hostname\n if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {\n for (let header in headers) {\n // header names are case insensitive\n if (header.toLowerCase() === 'authorization') {\n delete headers[header];\n }\n }\n }\n // let's make the request with the new redirectUrl\n info = this._prepareRequest(verb, parsedRedirectUrl, headers);\n response = await this.requestRaw(info, data);\n redirectsRemaining--;\n }\n if (HttpResponseRetryCodes.indexOf(response.message.statusCode) == -1) {\n // If not a retry code, return immediately instead of retrying\n return response;\n }\n numTries += 1;\n if (numTries < maxTries) {\n await response.readBody();\n await this._performExponentialBackoff(numTries);\n }\n }\n return response;\n }\n /**\n * Needs to be called if keepAlive is set to true in request options.\n */\n dispose() {\n if (this._agent) {\n this._agent.destroy();\n }\n this._disposed = true;\n }\n /**\n * Raw request.\n * @param info\n * @param data\n */\n requestRaw(info, data) {\n return new Promise((resolve, reject) => {\n let callbackForResult = function (err, res) {\n if (err) {\n reject(err);\n }\n resolve(res);\n };\n this.requestRawWithCallback(info, data, callbackForResult);\n });\n }\n /**\n * Raw request with callback.\n * @param info\n * @param data\n * @param onResult\n */\n requestRawWithCallback(info, data, onResult) {\n let socket;\n if (typeof data === 'string') {\n info.options.headers['Content-Length'] = Buffer.byteLength(data, 'utf8');\n }\n let callbackCalled = false;\n let handleResult = (err, res) => {\n if (!callbackCalled) {\n callbackCalled = true;\n onResult(err, res);\n }\n };\n let req = info.httpModule.request(info.options, (msg) => {\n let res = new HttpClientResponse(msg);\n handleResult(null, res);\n });\n req.on('socket', sock => {\n socket = sock;\n });\n // If we ever get disconnected, we want the socket to timeout eventually\n req.setTimeout(this._socketTimeout || 3 * 60000, () => {\n if (socket) {\n socket.end();\n }\n handleResult(new Error('Request timeout: ' + info.options.path), null);\n });\n req.on('error', function (err) {\n // err has statusCode property\n // res should have headers\n handleResult(err, null);\n });\n if (data && typeof data === 'string') {\n req.write(data, 'utf8');\n }\n if (data && typeof data !== 'string') {\n data.on('close', function () {\n req.end();\n });\n data.pipe(req);\n }\n else {\n req.end();\n }\n }\n /**\n * Gets an http agent. This function is useful when you need an http agent that handles\n * routing through a proxy server - depending upon the url and proxy environment variables.\n * @param serverUrl The server URL where the request will be sent. For example, https://api.github.com\n */\n getAgent(serverUrl) {\n let parsedUrl = new URL(serverUrl);\n return this._getAgent(parsedUrl);\n }\n _prepareRequest(method, requestUrl, headers) {\n const info = {};\n info.parsedUrl = requestUrl;\n const usingSsl = info.parsedUrl.protocol === 'https:';\n info.httpModule = usingSsl ? https : http;\n const defaultPort = usingSsl ? 443 : 80;\n info.options = {};\n info.options.host = info.parsedUrl.hostname;\n info.options.port = info.parsedUrl.port\n ? parseInt(info.parsedUrl.port)\n : defaultPort;\n info.options.path =\n (info.parsedUrl.pathname || '') + (info.parsedUrl.search || '');\n info.options.method = method;\n info.options.headers = this._mergeHeaders(headers);\n if (this.userAgent != null) {\n info.options.headers['user-agent'] = this.userAgent;\n }\n info.options.agent = this._getAgent(info.parsedUrl);\n // gives handlers an opportunity to participate\n if (this.handlers) {\n this.handlers.forEach(handler => {\n handler.prepareRequest(info.options);\n });\n }\n return info;\n }\n _mergeHeaders(headers) {\n const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});\n if (this.requestOptions && this.requestOptions.headers) {\n return Object.assign({}, lowercaseKeys(this.requestOptions.headers), lowercaseKeys(headers));\n }\n return lowercaseKeys(headers || {});\n }\n _getExistingOrDefaultHeader(additionalHeaders, header, _default) {\n const lowercaseKeys = obj => Object.keys(obj).reduce((c, k) => ((c[k.toLowerCase()] = obj[k]), c), {});\n let clientHeader;\n if (this.requestOptions && this.requestOptions.headers) {\n clientHeader = lowercaseKeys(this.requestOptions.headers)[header];\n }\n return additionalHeaders[header] || clientHeader || _default;\n }\n _getAgent(parsedUrl) {\n let agent;\n let proxyUrl = pm.getProxyUrl(parsedUrl);\n let useProxy = proxyUrl && proxyUrl.hostname;\n if (this._keepAlive && useProxy) {\n agent = this._proxyAgent;\n }\n if (this._keepAlive && !useProxy) {\n agent = this._agent;\n }\n // if agent is already assigned use that agent.\n if (!!agent) {\n return agent;\n }\n const usingSsl = parsedUrl.protocol === 'https:';\n let maxSockets = 100;\n if (!!this.requestOptions) {\n maxSockets = this.requestOptions.maxSockets || http.globalAgent.maxSockets;\n }\n if (useProxy) {\n // If using proxy, need tunnel\n if (!tunnel) {\n tunnel = require('tunnel');\n }\n const agentOptions = {\n maxSockets: maxSockets,\n keepAlive: this._keepAlive,\n proxy: {\n proxyAuth: `${proxyUrl.username}:${proxyUrl.password}`,\n host: proxyUrl.hostname,\n port: proxyUrl.port\n }\n };\n let tunnelAgent;\n const overHttps = proxyUrl.protocol === 'https:';\n if (usingSsl) {\n tunnelAgent = overHttps ? tunnel.httpsOverHttps : tunnel.httpsOverHttp;\n }\n else {\n tunnelAgent = overHttps ? tunnel.httpOverHttps : tunnel.httpOverHttp;\n }\n agent = tunnelAgent(agentOptions);\n this._proxyAgent = agent;\n }\n // if reusing agent across request and tunneling agent isn't assigned create a new agent\n if (this._keepAlive && !agent) {\n const options = { keepAlive: this._keepAlive, maxSockets: maxSockets };\n agent = usingSsl ? new https.Agent(options) : new http.Agent(options);\n this._agent = agent;\n }\n // if not using private agent and tunnel agent isn't setup then use global agent\n if (!agent) {\n agent = usingSsl ? https.globalAgent : http.globalAgent;\n }\n if (usingSsl && this._ignoreSslError) {\n // we don't want to set NODE_TLS_REJECT_UNAUTHORIZED=0 since that will affect request for entire process\n // http.RequestOptions doesn't expose a way to modify RequestOptions.agent.options\n // we have to cast it to any and change it directly\n agent.options = Object.assign(agent.options || {}, {\n rejectUnauthorized: false\n });\n }\n return agent;\n }\n _performExponentialBackoff(retryNumber) {\n retryNumber = Math.min(ExponentialBackoffCeiling, retryNumber);\n const ms = ExponentialBackoffTimeSlice * Math.pow(2, retryNumber);\n return new Promise(resolve => setTimeout(() => resolve(), ms));\n }\n static dateTimeDeserializer(key, value) {\n if (typeof value === 'string') {\n let a = new Date(value);\n if (!isNaN(a.valueOf())) {\n return a;\n }\n }\n return value;\n }\n async _processResponse(res, options) {\n return new Promise(async (resolve, reject) => {\n const statusCode = res.message.statusCode;\n const response = {\n statusCode: statusCode,\n result: null,\n headers: {}\n };\n // not found leads to null obj returned\n if (statusCode == HttpCodes.NotFound) {\n resolve(response);\n }\n let obj;\n let contents;\n // get the result from the body\n try {\n contents = await res.readBody();\n if (contents && contents.length > 0) {\n if (options && options.deserializeDates) {\n obj = JSON.parse(contents, HttpClient.dateTimeDeserializer);\n }\n else {\n obj = JSON.parse(contents);\n }\n response.result = obj;\n }\n response.headers = res.message.headers;\n }\n catch (err) {\n // Invalid resource (contents not json); leaving result obj null\n }\n // note that 3xx redirects are handled by the http layer.\n if (statusCode > 299) {\n let msg;\n // if exception/error in body, attempt to get better error\n if (obj && obj.message) {\n msg = obj.message;\n }\n else if (contents && contents.length > 0) {\n // it may be the case that the exception is in the body message as string\n msg = contents;\n }\n else {\n msg = 'Failed request: (' + statusCode + ')';\n }\n let err = new HttpClientError(msg, statusCode);\n err.result = response.result;\n reject(err);\n }\n else {\n resolve(response);\n }\n });\n }\n}\nexports.HttpClient = HttpClient;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nfunction getProxyUrl(reqUrl) {\n let usingSsl = reqUrl.protocol === 'https:';\n let proxyUrl;\n if (checkBypass(reqUrl)) {\n return proxyUrl;\n }\n let proxyVar;\n if (usingSsl) {\n proxyVar = process.env['https_proxy'] || process.env['HTTPS_PROXY'];\n }\n else {\n proxyVar = process.env['http_proxy'] || process.env['HTTP_PROXY'];\n }\n if (proxyVar) {\n proxyUrl = new URL(proxyVar);\n }\n return proxyUrl;\n}\nexports.getProxyUrl = getProxyUrl;\nfunction checkBypass(reqUrl) {\n if (!reqUrl.hostname) {\n return false;\n }\n let noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || '';\n if (!noProxy) {\n return false;\n }\n // Determine the request port\n let reqPort;\n if (reqUrl.port) {\n reqPort = Number(reqUrl.port);\n }\n else if (reqUrl.protocol === 'http:') {\n reqPort = 80;\n }\n else if (reqUrl.protocol === 'https:') {\n reqPort = 443;\n }\n // Format the request hostname and hostname with port\n let upperReqHosts = [reqUrl.hostname.toUpperCase()];\n if (typeof reqPort === 'number') {\n upperReqHosts.push(`${upperReqHosts[0]}:${reqPort}`);\n }\n // Compare request host against noproxy\n for (let upperNoProxyItem of noProxy\n .split(',')\n .map(x => x.trim().toUpperCase())\n .filter(x => x)) {\n if (upperReqHosts.some(x => x === upperNoProxyItem)) {\n return true;\n }\n }\n return false;\n}\nexports.checkBypass = checkBypass;\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nasync function auth(token) {\n const tokenType = token.split(/\\./).length === 3 ? \"app\" : /^v\\d+\\./.test(token) ? \"installation\" : \"oauth\";\n return {\n type: \"token\",\n token: token,\n tokenType\n };\n}\n\n/**\n * Prefix token for usage in the Authorization header\n *\n * @param token OAuth token or JSON Web Token\n */\nfunction withAuthorizationPrefix(token) {\n if (token.split(/\\./).length === 3) {\n return `bearer ${token}`;\n }\n\n return `token ${token}`;\n}\n\nasync function hook(token, request, route, parameters) {\n const endpoint = request.endpoint.merge(route, parameters);\n endpoint.headers.authorization = withAuthorizationPrefix(token);\n return request(endpoint);\n}\n\nconst createTokenAuth = function createTokenAuth(token) {\n if (!token) {\n throw new Error(\"[@octokit/auth-token] No token passed to createTokenAuth\");\n }\n\n if (typeof token !== \"string\") {\n throw new Error(\"[@octokit/auth-token] Token passed to createTokenAuth is not a string\");\n }\n\n token = token.replace(/^(token|bearer) +/i, \"\");\n return Object.assign(auth.bind(null, token), {\n hook: hook.bind(null, token)\n });\n};\n\nexports.createTokenAuth = createTokenAuth;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar universalUserAgent = require('universal-user-agent');\nvar beforeAfterHook = require('before-after-hook');\nvar request = require('@octokit/request');\nvar graphql = require('@octokit/graphql');\nvar authToken = require('@octokit/auth-token');\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n\n var target = _objectWithoutPropertiesLoose(source, excluded);\n\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\nconst VERSION = \"3.2.4\";\n\nclass Octokit {\n constructor(options = {}) {\n const hook = new beforeAfterHook.Collection();\n const requestDefaults = {\n baseUrl: request.request.endpoint.DEFAULTS.baseUrl,\n headers: {},\n request: Object.assign({}, options.request, {\n hook: hook.bind(null, \"request\")\n }),\n mediaType: {\n previews: [],\n format: \"\"\n }\n }; // prepend default user agent with `options.userAgent` if set\n\n requestDefaults.headers[\"user-agent\"] = [options.userAgent, `octokit-core.js/${VERSION} ${universalUserAgent.getUserAgent()}`].filter(Boolean).join(\" \");\n\n if (options.baseUrl) {\n requestDefaults.baseUrl = options.baseUrl;\n }\n\n if (options.previews) {\n requestDefaults.mediaType.previews = options.previews;\n }\n\n if (options.timeZone) {\n requestDefaults.headers[\"time-zone\"] = options.timeZone;\n }\n\n this.request = request.request.defaults(requestDefaults);\n this.graphql = graphql.withCustomRequest(this.request).defaults(requestDefaults);\n this.log = Object.assign({\n debug: () => {},\n info: () => {},\n warn: console.warn.bind(console),\n error: console.error.bind(console)\n }, options.log);\n this.hook = hook; // (1) If neither `options.authStrategy` nor `options.auth` are set, the `octokit` instance\n // is unauthenticated. The `this.auth()` method is a no-op and no request hook is registered.\n // (2) If only `options.auth` is set, use the default token authentication strategy.\n // (3) If `options.authStrategy` is set then use it and pass in `options.auth`. Always pass own request as many strategies accept a custom request instance.\n // TODO: type `options.auth` based on `options.authStrategy`.\n\n if (!options.authStrategy) {\n if (!options.auth) {\n // (1)\n this.auth = async () => ({\n type: \"unauthenticated\"\n });\n } else {\n // (2)\n const auth = authToken.createTokenAuth(options.auth); // @ts-ignore ¯\\_(ツ)_/¯\n\n hook.wrap(\"request\", auth.hook);\n this.auth = auth;\n }\n } else {\n const {\n authStrategy\n } = options,\n otherOptions = _objectWithoutProperties(options, [\"authStrategy\"]);\n\n const auth = authStrategy(Object.assign({\n request: this.request,\n log: this.log,\n // we pass the current octokit instance as well as its constructor options\n // to allow for authentication strategies that return a new octokit instance\n // that shares the same internal state as the current one. The original\n // requirement for this was the \"event-octokit\" authentication strategy\n // of https://github.com/probot/octokit-auth-probot.\n octokit: this,\n octokitOptions: otherOptions\n }, options.auth)); // @ts-ignore ¯\\_(ツ)_/¯\n\n hook.wrap(\"request\", auth.hook);\n this.auth = auth;\n } // apply plugins\n // https://stackoverflow.com/a/16345172\n\n\n const classConstructor = this.constructor;\n classConstructor.plugins.forEach(plugin => {\n Object.assign(this, plugin(this, options));\n });\n }\n\n static defaults(defaults) {\n const OctokitWithDefaults = class extends this {\n constructor(...args) {\n const options = args[0] || {};\n\n if (typeof defaults === \"function\") {\n super(defaults(options));\n return;\n }\n\n super(Object.assign({}, defaults, options, options.userAgent && defaults.userAgent ? {\n userAgent: `${options.userAgent} ${defaults.userAgent}`\n } : null));\n }\n\n };\n return OctokitWithDefaults;\n }\n /**\n * Attach a plugin (or many) to your Octokit instance.\n *\n * @example\n * const API = Octokit.plugin(plugin1, plugin2, plugin3, ...)\n */\n\n\n static plugin(...newPlugins) {\n var _a;\n\n const currentPlugins = this.plugins;\n const NewOctokit = (_a = class extends this {}, _a.plugins = currentPlugins.concat(newPlugins.filter(plugin => !currentPlugins.includes(plugin))), _a);\n return NewOctokit;\n }\n\n}\nOctokit.VERSION = VERSION;\nOctokit.plugins = [];\n\nexports.Octokit = Octokit;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar isPlainObject = require('is-plain-object');\nvar universalUserAgent = require('universal-user-agent');\n\nfunction lowercaseKeys(object) {\n if (!object) {\n return {};\n }\n\n return Object.keys(object).reduce((newObj, key) => {\n newObj[key.toLowerCase()] = object[key];\n return newObj;\n }, {});\n}\n\nfunction mergeDeep(defaults, options) {\n const result = Object.assign({}, defaults);\n Object.keys(options).forEach(key => {\n if (isPlainObject.isPlainObject(options[key])) {\n if (!(key in defaults)) Object.assign(result, {\n [key]: options[key]\n });else result[key] = mergeDeep(defaults[key], options[key]);\n } else {\n Object.assign(result, {\n [key]: options[key]\n });\n }\n });\n return result;\n}\n\nfunction removeUndefinedProperties(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n delete obj[key];\n }\n }\n\n return obj;\n}\n\nfunction merge(defaults, route, options) {\n if (typeof route === \"string\") {\n let [method, url] = route.split(\" \");\n options = Object.assign(url ? {\n method,\n url\n } : {\n url: method\n }, options);\n } else {\n options = Object.assign({}, route);\n } // lowercase header names before merging with defaults to avoid duplicates\n\n\n options.headers = lowercaseKeys(options.headers); // remove properties with undefined values before merging\n\n removeUndefinedProperties(options);\n removeUndefinedProperties(options.headers);\n const mergedOptions = mergeDeep(defaults || {}, options); // mediaType.previews arrays are merged, instead of overwritten\n\n if (defaults && defaults.mediaType.previews.length) {\n mergedOptions.mediaType.previews = defaults.mediaType.previews.filter(preview => !mergedOptions.mediaType.previews.includes(preview)).concat(mergedOptions.mediaType.previews);\n }\n\n mergedOptions.mediaType.previews = mergedOptions.mediaType.previews.map(preview => preview.replace(/-preview/, \"\"));\n return mergedOptions;\n}\n\nfunction addQueryParameters(url, parameters) {\n const separator = /\\?/.test(url) ? \"&\" : \"?\";\n const names = Object.keys(parameters);\n\n if (names.length === 0) {\n return url;\n }\n\n return url + separator + names.map(name => {\n if (name === \"q\") {\n return \"q=\" + parameters.q.split(\"+\").map(encodeURIComponent).join(\"+\");\n }\n\n return `${name}=${encodeURIComponent(parameters[name])}`;\n }).join(\"&\");\n}\n\nconst urlVariableRegex = /\\{[^}]+\\}/g;\n\nfunction removeNonChars(variableName) {\n return variableName.replace(/^\\W+|\\W+$/g, \"\").split(/,/);\n}\n\nfunction extractUrlVariableNames(url) {\n const matches = url.match(urlVariableRegex);\n\n if (!matches) {\n return [];\n }\n\n return matches.map(removeNonChars).reduce((a, b) => a.concat(b), []);\n}\n\nfunction omit(object, keysToOmit) {\n return Object.keys(object).filter(option => !keysToOmit.includes(option)).reduce((obj, key) => {\n obj[key] = object[key];\n return obj;\n }, {});\n}\n\n// Based on https://github.com/bramstein/url-template, licensed under BSD\n// TODO: create separate package.\n//\n// Copyright (c) 2012-2014, Bram Stein\n// All rights reserved.\n// Redistribution and use in source and binary forms, with or without\n// modification, are permitted provided that the following conditions\n// are met:\n// 1. Redistributions of source code must retain the above copyright\n// notice, this list of conditions and the following disclaimer.\n// 2. Redistributions in binary form must reproduce the above copyright\n// notice, this list of conditions and the following disclaimer in the\n// documentation and/or other materials provided with the distribution.\n// 3. The name of the author may not be used to endorse or promote products\n// derived from this software without specific prior written permission.\n// THIS SOFTWARE IS PROVIDED BY THE AUTHOR \"AS IS\" AND ANY EXPRESS OR IMPLIED\n// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\n// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO\n// EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,\n// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY\n// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\n// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\n/* istanbul ignore file */\nfunction encodeReserved(str) {\n return str.split(/(%[0-9A-Fa-f]{2})/g).map(function (part) {\n if (!/%[0-9A-Fa-f]/.test(part)) {\n part = encodeURI(part).replace(/%5B/g, \"[\").replace(/%5D/g, \"]\");\n }\n\n return part;\n }).join(\"\");\n}\n\nfunction encodeUnreserved(str) {\n return encodeURIComponent(str).replace(/[!'()*]/g, function (c) {\n return \"%\" + c.charCodeAt(0).toString(16).toUpperCase();\n });\n}\n\nfunction encodeValue(operator, value, key) {\n value = operator === \"+\" || operator === \"#\" ? encodeReserved(value) : encodeUnreserved(value);\n\n if (key) {\n return encodeUnreserved(key) + \"=\" + value;\n } else {\n return value;\n }\n}\n\nfunction isDefined(value) {\n return value !== undefined && value !== null;\n}\n\nfunction isKeyOperator(operator) {\n return operator === \";\" || operator === \"&\" || operator === \"?\";\n}\n\nfunction getValues(context, operator, key, modifier) {\n var value = context[key],\n result = [];\n\n if (isDefined(value) && value !== \"\") {\n if (typeof value === \"string\" || typeof value === \"number\" || typeof value === \"boolean\") {\n value = value.toString();\n\n if (modifier && modifier !== \"*\") {\n value = value.substring(0, parseInt(modifier, 10));\n }\n\n result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : \"\"));\n } else {\n if (modifier === \"*\") {\n if (Array.isArray(value)) {\n value.filter(isDefined).forEach(function (value) {\n result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : \"\"));\n });\n } else {\n Object.keys(value).forEach(function (k) {\n if (isDefined(value[k])) {\n result.push(encodeValue(operator, value[k], k));\n }\n });\n }\n } else {\n const tmp = [];\n\n if (Array.isArray(value)) {\n value.filter(isDefined).forEach(function (value) {\n tmp.push(encodeValue(operator, value));\n });\n } else {\n Object.keys(value).forEach(function (k) {\n if (isDefined(value[k])) {\n tmp.push(encodeUnreserved(k));\n tmp.push(encodeValue(operator, value[k].toString()));\n }\n });\n }\n\n if (isKeyOperator(operator)) {\n result.push(encodeUnreserved(key) + \"=\" + tmp.join(\",\"));\n } else if (tmp.length !== 0) {\n result.push(tmp.join(\",\"));\n }\n }\n }\n } else {\n if (operator === \";\") {\n if (isDefined(value)) {\n result.push(encodeUnreserved(key));\n }\n } else if (value === \"\" && (operator === \"&\" || operator === \"?\")) {\n result.push(encodeUnreserved(key) + \"=\");\n } else if (value === \"\") {\n result.push(\"\");\n }\n }\n\n return result;\n}\n\nfunction parseUrl(template) {\n return {\n expand: expand.bind(null, template)\n };\n}\n\nfunction expand(template, context) {\n var operators = [\"+\", \"#\", \".\", \"/\", \";\", \"?\", \"&\"];\n return template.replace(/\\{([^\\{\\}]+)\\}|([^\\{\\}]+)/g, function (_, expression, literal) {\n if (expression) {\n let operator = \"\";\n const values = [];\n\n if (operators.indexOf(expression.charAt(0)) !== -1) {\n operator = expression.charAt(0);\n expression = expression.substr(1);\n }\n\n expression.split(/,/g).forEach(function (variable) {\n var tmp = /([^:\\*]*)(?::(\\d+)|(\\*))?/.exec(variable);\n values.push(getValues(context, operator, tmp[1], tmp[2] || tmp[3]));\n });\n\n if (operator && operator !== \"+\") {\n var separator = \",\";\n\n if (operator === \"?\") {\n separator = \"&\";\n } else if (operator !== \"#\") {\n separator = operator;\n }\n\n return (values.length !== 0 ? operator : \"\") + values.join(separator);\n } else {\n return values.join(\",\");\n }\n } else {\n return encodeReserved(literal);\n }\n });\n}\n\nfunction parse(options) {\n // https://fetch.spec.whatwg.org/#methods\n let method = options.method.toUpperCase(); // replace :varname with {varname} to make it RFC 6570 compatible\n\n let url = (options.url || \"/\").replace(/:([a-z]\\w+)/g, \"{$1}\");\n let headers = Object.assign({}, options.headers);\n let body;\n let parameters = omit(options, [\"method\", \"baseUrl\", \"url\", \"headers\", \"request\", \"mediaType\"]); // extract variable names from URL to calculate remaining variables later\n\n const urlVariableNames = extractUrlVariableNames(url);\n url = parseUrl(url).expand(parameters);\n\n if (!/^http/.test(url)) {\n url = options.baseUrl + url;\n }\n\n const omittedParameters = Object.keys(options).filter(option => urlVariableNames.includes(option)).concat(\"baseUrl\");\n const remainingParameters = omit(parameters, omittedParameters);\n const isBinaryRequest = /application\\/octet-stream/i.test(headers.accept);\n\n if (!isBinaryRequest) {\n if (options.mediaType.format) {\n // e.g. application/vnd.github.v3+json => application/vnd.github.v3.raw\n headers.accept = headers.accept.split(/,/).map(preview => preview.replace(/application\\/vnd(\\.\\w+)(\\.v3)?(\\.\\w+)?(\\+json)?$/, `application/vnd$1$2.${options.mediaType.format}`)).join(\",\");\n }\n\n if (options.mediaType.previews.length) {\n const previewsFromAcceptHeader = headers.accept.match(/[\\w-]+(?=-preview)/g) || [];\n headers.accept = previewsFromAcceptHeader.concat(options.mediaType.previews).map(preview => {\n const format = options.mediaType.format ? `.${options.mediaType.format}` : \"+json\";\n return `application/vnd.github.${preview}-preview${format}`;\n }).join(\",\");\n }\n } // for GET/HEAD requests, set URL query parameters from remaining parameters\n // for PATCH/POST/PUT/DELETE requests, set request body from remaining parameters\n\n\n if ([\"GET\", \"HEAD\"].includes(method)) {\n url = addQueryParameters(url, remainingParameters);\n } else {\n if (\"data\" in remainingParameters) {\n body = remainingParameters.data;\n } else {\n if (Object.keys(remainingParameters).length) {\n body = remainingParameters;\n } else {\n headers[\"content-length\"] = 0;\n }\n }\n } // default content-type for JSON if body is set\n\n\n if (!headers[\"content-type\"] && typeof body !== \"undefined\") {\n headers[\"content-type\"] = \"application/json; charset=utf-8\";\n } // GitHub expects 'content-length: 0' header for PUT/PATCH requests without body.\n // fetch does not allow to set `content-length` header, but we can set body to an empty string\n\n\n if ([\"PATCH\", \"PUT\"].includes(method) && typeof body === \"undefined\") {\n body = \"\";\n } // Only return body/request keys if present\n\n\n return Object.assign({\n method,\n url,\n headers\n }, typeof body !== \"undefined\" ? {\n body\n } : null, options.request ? {\n request: options.request\n } : null);\n}\n\nfunction endpointWithDefaults(defaults, route, options) {\n return parse(merge(defaults, route, options));\n}\n\nfunction withDefaults(oldDefaults, newDefaults) {\n const DEFAULTS = merge(oldDefaults, newDefaults);\n const endpoint = endpointWithDefaults.bind(null, DEFAULTS);\n return Object.assign(endpoint, {\n DEFAULTS,\n defaults: withDefaults.bind(null, DEFAULTS),\n merge: merge.bind(null, DEFAULTS),\n parse\n });\n}\n\nconst VERSION = \"6.0.10\";\n\nconst userAgent = `octokit-endpoint.js/${VERSION} ${universalUserAgent.getUserAgent()}`; // DEFAULTS has all properties set that EndpointOptions has, except url.\n// So we use RequestParameters and add method as additional required property.\n\nconst DEFAULTS = {\n method: \"GET\",\n baseUrl: \"https://api.github.com\",\n headers: {\n accept: \"application/vnd.github.v3+json\",\n \"user-agent\": userAgent\n },\n mediaType: {\n format: \"\",\n previews: []\n }\n};\n\nconst endpoint = withDefaults(null, DEFAULTS);\n\nexports.endpoint = endpoint;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\n/*!\n * is-plain-object \n *\n * Copyright (c) 2014-2017, Jon Schlinkert.\n * Released under the MIT License.\n */\n\nfunction isObject(o) {\n return Object.prototype.toString.call(o) === '[object Object]';\n}\n\nfunction isPlainObject(o) {\n var ctor,prot;\n\n if (isObject(o) === false) return false;\n\n // If has modified constructor\n ctor = o.constructor;\n if (ctor === undefined) return true;\n\n // If has modified prototype\n prot = ctor.prototype;\n if (isObject(prot) === false) return false;\n\n // If constructor does not have an Object-specific method\n if (prot.hasOwnProperty('isPrototypeOf') === false) {\n return false;\n }\n\n // Most likely a plain Object\n return true;\n}\n\nexports.isPlainObject = isPlainObject;\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar request = require('@octokit/request');\nvar universalUserAgent = require('universal-user-agent');\n\nconst VERSION = \"4.5.8\";\n\nclass GraphqlError extends Error {\n constructor(request, response) {\n const message = response.data.errors[0].message;\n super(message);\n Object.assign(this, response.data);\n Object.assign(this, {\n headers: response.headers\n });\n this.name = \"GraphqlError\";\n this.request = request; // Maintains proper stack trace (only available on V8)\n\n /* istanbul ignore next */\n\n if (Error.captureStackTrace) {\n Error.captureStackTrace(this, this.constructor);\n }\n }\n\n}\n\nconst NON_VARIABLE_OPTIONS = [\"method\", \"baseUrl\", \"url\", \"headers\", \"request\", \"query\", \"mediaType\"];\nconst GHES_V3_SUFFIX_REGEX = /\\/api\\/v3\\/?$/;\nfunction graphql(request, query, options) {\n if (typeof query === \"string\" && options && \"query\" in options) {\n return Promise.reject(new Error(`[@octokit/graphql] \"query\" cannot be used as variable name`));\n }\n\n const parsedOptions = typeof query === \"string\" ? Object.assign({\n query\n }, options) : query;\n const requestOptions = Object.keys(parsedOptions).reduce((result, key) => {\n if (NON_VARIABLE_OPTIONS.includes(key)) {\n result[key] = parsedOptions[key];\n return result;\n }\n\n if (!result.variables) {\n result.variables = {};\n }\n\n result.variables[key] = parsedOptions[key];\n return result;\n }, {}); // workaround for GitHub Enterprise baseUrl set with /api/v3 suffix\n // https://github.com/octokit/auth-app.js/issues/111#issuecomment-657610451\n\n const baseUrl = parsedOptions.baseUrl || request.endpoint.DEFAULTS.baseUrl;\n\n if (GHES_V3_SUFFIX_REGEX.test(baseUrl)) {\n requestOptions.url = baseUrl.replace(GHES_V3_SUFFIX_REGEX, \"/api/graphql\");\n }\n\n return request(requestOptions).then(response => {\n if (response.data.errors) {\n const headers = {};\n\n for (const key of Object.keys(response.headers)) {\n headers[key] = response.headers[key];\n }\n\n throw new GraphqlError(requestOptions, {\n headers,\n data: response.data\n });\n }\n\n return response.data.data;\n });\n}\n\nfunction withDefaults(request$1, newDefaults) {\n const newRequest = request$1.defaults(newDefaults);\n\n const newApi = (query, options) => {\n return graphql(newRequest, query, options);\n };\n\n return Object.assign(newApi, {\n defaults: withDefaults.bind(null, newRequest),\n endpoint: request.request.endpoint\n });\n}\n\nconst graphql$1 = withDefaults(request.request, {\n headers: {\n \"user-agent\": `octokit-graphql.js/${VERSION} ${universalUserAgent.getUserAgent()}`\n },\n method: \"POST\",\n url: \"/graphql\"\n});\nfunction withCustomRequest(customRequest) {\n return withDefaults(customRequest, {\n method: \"POST\",\n url: \"/graphql\"\n });\n}\n\nexports.graphql = graphql$1;\nexports.withCustomRequest = withCustomRequest;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nconst VERSION = \"2.7.0\";\n\n/**\n * Some “list” response that can be paginated have a different response structure\n *\n * They have a `total_count` key in the response (search also has `incomplete_results`,\n * /installation/repositories also has `repository_selection`), as well as a key with\n * the list of the items which name varies from endpoint to endpoint.\n *\n * Octokit normalizes these responses so that paginated results are always returned following\n * the same structure. One challenge is that if the list response has only one page, no Link\n * header is provided, so this header alone is not sufficient to check wether a response is\n * paginated or not.\n *\n * We check if a \"total_count\" key is present in the response data, but also make sure that\n * a \"url\" property is not, as the \"Get the combined status for a specific ref\" endpoint would\n * otherwise match: https://developer.github.com/v3/repos/statuses/#get-the-combined-status-for-a-specific-ref\n */\nfunction normalizePaginatedListResponse(response) {\n const responseNeedsNormalization = \"total_count\" in response.data && !(\"url\" in response.data);\n if (!responseNeedsNormalization) return response; // keep the additional properties intact as there is currently no other way\n // to retrieve the same information.\n\n const incompleteResults = response.data.incomplete_results;\n const repositorySelection = response.data.repository_selection;\n const totalCount = response.data.total_count;\n delete response.data.incomplete_results;\n delete response.data.repository_selection;\n delete response.data.total_count;\n const namespaceKey = Object.keys(response.data)[0];\n const data = response.data[namespaceKey];\n response.data = data;\n\n if (typeof incompleteResults !== \"undefined\") {\n response.data.incomplete_results = incompleteResults;\n }\n\n if (typeof repositorySelection !== \"undefined\") {\n response.data.repository_selection = repositorySelection;\n }\n\n response.data.total_count = totalCount;\n return response;\n}\n\nfunction iterator(octokit, route, parameters) {\n const options = typeof route === \"function\" ? route.endpoint(parameters) : octokit.request.endpoint(route, parameters);\n const requestMethod = typeof route === \"function\" ? route : octokit.request;\n const method = options.method;\n const headers = options.headers;\n let url = options.url;\n return {\n [Symbol.asyncIterator]: () => ({\n async next() {\n if (!url) return {\n done: true\n };\n const response = await requestMethod({\n method,\n url,\n headers\n });\n const normalizedResponse = normalizePaginatedListResponse(response); // `response.headers.link` format:\n // '; rel=\"next\", ; rel=\"last\"'\n // sets `url` to undefined if \"next\" URL is not present or `link` header is not set\n\n url = ((normalizedResponse.headers.link || \"\").match(/<([^>]+)>;\\s*rel=\"next\"/) || [])[1];\n return {\n value: normalizedResponse\n };\n }\n\n })\n };\n}\n\nfunction paginate(octokit, route, parameters, mapFn) {\n if (typeof parameters === \"function\") {\n mapFn = parameters;\n parameters = undefined;\n }\n\n return gather(octokit, [], iterator(octokit, route, parameters)[Symbol.asyncIterator](), mapFn);\n}\n\nfunction gather(octokit, results, iterator, mapFn) {\n return iterator.next().then(result => {\n if (result.done) {\n return results;\n }\n\n let earlyExit = false;\n\n function done() {\n earlyExit = true;\n }\n\n results = results.concat(mapFn ? mapFn(result.value, done) : result.value.data);\n\n if (earlyExit) {\n return results;\n }\n\n return gather(octokit, results, iterator, mapFn);\n });\n}\n\nconst composePaginateRest = Object.assign(paginate, {\n iterator\n});\n\n/**\n * @param octokit Octokit instance\n * @param options Options passed to Octokit constructor\n */\n\nfunction paginateRest(octokit) {\n return {\n paginate: Object.assign(paginate.bind(null, octokit), {\n iterator: iterator.bind(null, octokit)\n })\n };\n}\npaginateRest.VERSION = VERSION;\n\nexports.composePaginateRest = composePaginateRest;\nexports.paginateRest = paginateRest;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nconst Endpoints = {\n actions: {\n addSelectedRepoToOrgSecret: [\"PUT /orgs/{org}/actions/secrets/{secret_name}/repositories/{repository_id}\"],\n cancelWorkflowRun: [\"POST /repos/{owner}/{repo}/actions/runs/{run_id}/cancel\"],\n createOrUpdateOrgSecret: [\"PUT /orgs/{org}/actions/secrets/{secret_name}\"],\n createOrUpdateRepoSecret: [\"PUT /repos/{owner}/{repo}/actions/secrets/{secret_name}\"],\n createRegistrationTokenForOrg: [\"POST /orgs/{org}/actions/runners/registration-token\"],\n createRegistrationTokenForRepo: [\"POST /repos/{owner}/{repo}/actions/runners/registration-token\"],\n createRemoveTokenForOrg: [\"POST /orgs/{org}/actions/runners/remove-token\"],\n createRemoveTokenForRepo: [\"POST /repos/{owner}/{repo}/actions/runners/remove-token\"],\n createWorkflowDispatch: [\"POST /repos/{owner}/{repo}/actions/workflows/{workflow_id}/dispatches\"],\n deleteArtifact: [\"DELETE /repos/{owner}/{repo}/actions/artifacts/{artifact_id}\"],\n deleteOrgSecret: [\"DELETE /orgs/{org}/actions/secrets/{secret_name}\"],\n deleteRepoSecret: [\"DELETE /repos/{owner}/{repo}/actions/secrets/{secret_name}\"],\n deleteSelfHostedRunnerFromOrg: [\"DELETE /orgs/{org}/actions/runners/{runner_id}\"],\n deleteSelfHostedRunnerFromRepo: [\"DELETE /repos/{owner}/{repo}/actions/runners/{runner_id}\"],\n deleteWorkflowRun: [\"DELETE /repos/{owner}/{repo}/actions/runs/{run_id}\"],\n deleteWorkflowRunLogs: [\"DELETE /repos/{owner}/{repo}/actions/runs/{run_id}/logs\"],\n disableSelectedRepositoryGithubActionsOrganization: [\"DELETE /orgs/{org}/actions/permissions/repositories/{repository_id}\"],\n disableWorkflow: [\"PUT /repos/{owner}/{repo}/actions/workflows/{workflow_id}/disable\"],\n downloadArtifact: [\"GET /repos/{owner}/{repo}/actions/artifacts/{artifact_id}/{archive_format}\"],\n downloadJobLogsForWorkflowRun: [\"GET /repos/{owner}/{repo}/actions/jobs/{job_id}/logs\"],\n downloadWorkflowRunLogs: [\"GET /repos/{owner}/{repo}/actions/runs/{run_id}/logs\"],\n enableSelectedRepositoryGithubActionsOrganization: [\"PUT /orgs/{org}/actions/permissions/repositories/{repository_id}\"],\n enableWorkflow: [\"PUT /repos/{owner}/{repo}/actions/workflows/{workflow_id}/enable\"],\n getAllowedActionsOrganization: [\"GET /orgs/{org}/actions/permissions/selected-actions\"],\n getAllowedActionsRepository: [\"GET /repos/{owner}/{repo}/actions/permissions/selected-actions\"],\n getArtifact: [\"GET /repos/{owner}/{repo}/actions/artifacts/{artifact_id}\"],\n getGithubActionsPermissionsOrganization: [\"GET /orgs/{org}/actions/permissions\"],\n getGithubActionsPermissionsRepository: [\"GET /repos/{owner}/{repo}/actions/permissions\"],\n getJobForWorkflowRun: [\"GET /repos/{owner}/{repo}/actions/jobs/{job_id}\"],\n getOrgPublicKey: [\"GET /orgs/{org}/actions/secrets/public-key\"],\n getOrgSecret: [\"GET /orgs/{org}/actions/secrets/{secret_name}\"],\n getRepoPermissions: [\"GET /repos/{owner}/{repo}/actions/permissions\", {}, {\n renamed: [\"actions\", \"getGithubActionsPermissionsRepository\"]\n }],\n getRepoPublicKey: [\"GET /repos/{owner}/{repo}/actions/secrets/public-key\"],\n getRepoSecret: [\"GET /repos/{owner}/{repo}/actions/secrets/{secret_name}\"],\n getSelfHostedRunnerForOrg: [\"GET /orgs/{org}/actions/runners/{runner_id}\"],\n getSelfHostedRunnerForRepo: [\"GET /repos/{owner}/{repo}/actions/runners/{runner_id}\"],\n getWorkflow: [\"GET /repos/{owner}/{repo}/actions/workflows/{workflow_id}\"],\n getWorkflowRun: [\"GET /repos/{owner}/{repo}/actions/runs/{run_id}\"],\n getWorkflowRunUsage: [\"GET /repos/{owner}/{repo}/actions/runs/{run_id}/timing\"],\n getWorkflowUsage: [\"GET /repos/{owner}/{repo}/actions/workflows/{workflow_id}/timing\"],\n listArtifactsForRepo: [\"GET /repos/{owner}/{repo}/actions/artifacts\"],\n listJobsForWorkflowRun: [\"GET /repos/{owner}/{repo}/actions/runs/{run_id}/jobs\"],\n listOrgSecrets: [\"GET /orgs/{org}/actions/secrets\"],\n listRepoSecrets: [\"GET /repos/{owner}/{repo}/actions/secrets\"],\n listRepoWorkflows: [\"GET /repos/{owner}/{repo}/actions/workflows\"],\n listRunnerApplicationsForOrg: [\"GET /orgs/{org}/actions/runners/downloads\"],\n listRunnerApplicationsForRepo: [\"GET /repos/{owner}/{repo}/actions/runners/downloads\"],\n listSelectedReposForOrgSecret: [\"GET /orgs/{org}/actions/secrets/{secret_name}/repositories\"],\n listSelectedRepositoriesEnabledGithubActionsOrganization: [\"GET /orgs/{org}/actions/permissions/repositories\"],\n listSelfHostedRunnersForOrg: [\"GET /orgs/{org}/actions/runners\"],\n listSelfHostedRunnersForRepo: [\"GET /repos/{owner}/{repo}/actions/runners\"],\n listWorkflowRunArtifacts: [\"GET /repos/{owner}/{repo}/actions/runs/{run_id}/artifacts\"],\n listWorkflowRuns: [\"GET /repos/{owner}/{repo}/actions/workflows/{workflow_id}/runs\"],\n listWorkflowRunsForRepo: [\"GET /repos/{owner}/{repo}/actions/runs\"],\n reRunWorkflow: [\"POST /repos/{owner}/{repo}/actions/runs/{run_id}/rerun\"],\n removeSelectedRepoFromOrgSecret: [\"DELETE /orgs/{org}/actions/secrets/{secret_name}/repositories/{repository_id}\"],\n setAllowedActionsOrganization: [\"PUT /orgs/{org}/actions/permissions/selected-actions\"],\n setAllowedActionsRepository: [\"PUT /repos/{owner}/{repo}/actions/permissions/selected-actions\"],\n setGithubActionsPermissionsOrganization: [\"PUT /orgs/{org}/actions/permissions\"],\n setGithubActionsPermissionsRepository: [\"PUT /repos/{owner}/{repo}/actions/permissions\"],\n setSelectedReposForOrgSecret: [\"PUT /orgs/{org}/actions/secrets/{secret_name}/repositories\"],\n setSelectedRepositoriesEnabledGithubActionsOrganization: [\"PUT /orgs/{org}/actions/permissions/repositories\"]\n },\n activity: {\n checkRepoIsStarredByAuthenticatedUser: [\"GET /user/starred/{owner}/{repo}\"],\n deleteRepoSubscription: [\"DELETE /repos/{owner}/{repo}/subscription\"],\n deleteThreadSubscription: [\"DELETE /notifications/threads/{thread_id}/subscription\"],\n getFeeds: [\"GET /feeds\"],\n getRepoSubscription: [\"GET /repos/{owner}/{repo}/subscription\"],\n getThread: [\"GET /notifications/threads/{thread_id}\"],\n getThreadSubscriptionForAuthenticatedUser: [\"GET /notifications/threads/{thread_id}/subscription\"],\n listEventsForAuthenticatedUser: [\"GET /users/{username}/events\"],\n listNotificationsForAuthenticatedUser: [\"GET /notifications\"],\n listOrgEventsForAuthenticatedUser: [\"GET /users/{username}/events/orgs/{org}\"],\n listPublicEvents: [\"GET /events\"],\n listPublicEventsForRepoNetwork: [\"GET /networks/{owner}/{repo}/events\"],\n listPublicEventsForUser: [\"GET /users/{username}/events/public\"],\n listPublicOrgEvents: [\"GET /orgs/{org}/events\"],\n listReceivedEventsForUser: [\"GET /users/{username}/received_events\"],\n listReceivedPublicEventsForUser: [\"GET /users/{username}/received_events/public\"],\n listRepoEvents: [\"GET /repos/{owner}/{repo}/events\"],\n listRepoNotificationsForAuthenticatedUser: [\"GET /repos/{owner}/{repo}/notifications\"],\n listReposStarredByAuthenticatedUser: [\"GET /user/starred\"],\n listReposStarredByUser: [\"GET /users/{username}/starred\"],\n listReposWatchedByUser: [\"GET /users/{username}/subscriptions\"],\n listStargazersForRepo: [\"GET /repos/{owner}/{repo}/stargazers\"],\n listWatchedReposForAuthenticatedUser: [\"GET /user/subscriptions\"],\n listWatchersForRepo: [\"GET /repos/{owner}/{repo}/subscribers\"],\n markNotificationsAsRead: [\"PUT /notifications\"],\n markRepoNotificationsAsRead: [\"PUT /repos/{owner}/{repo}/notifications\"],\n markThreadAsRead: [\"PATCH /notifications/threads/{thread_id}\"],\n setRepoSubscription: [\"PUT /repos/{owner}/{repo}/subscription\"],\n setThreadSubscription: [\"PUT /notifications/threads/{thread_id}/subscription\"],\n starRepoForAuthenticatedUser: [\"PUT /user/starred/{owner}/{repo}\"],\n unstarRepoForAuthenticatedUser: [\"DELETE /user/starred/{owner}/{repo}\"]\n },\n apps: {\n addRepoToInstallation: [\"PUT /user/installations/{installation_id}/repositories/{repository_id}\"],\n checkToken: [\"POST /applications/{client_id}/token\"],\n createContentAttachment: [\"POST /content_references/{content_reference_id}/attachments\", {\n mediaType: {\n previews: [\"corsair\"]\n }\n }],\n createFromManifest: [\"POST /app-manifests/{code}/conversions\"],\n createInstallationAccessToken: [\"POST /app/installations/{installation_id}/access_tokens\"],\n deleteAuthorization: [\"DELETE /applications/{client_id}/grant\"],\n deleteInstallation: [\"DELETE /app/installations/{installation_id}\"],\n deleteToken: [\"DELETE /applications/{client_id}/token\"],\n getAuthenticated: [\"GET /app\"],\n getBySlug: [\"GET /apps/{app_slug}\"],\n getInstallation: [\"GET /app/installations/{installation_id}\"],\n getOrgInstallation: [\"GET /orgs/{org}/installation\"],\n getRepoInstallation: [\"GET /repos/{owner}/{repo}/installation\"],\n getSubscriptionPlanForAccount: [\"GET /marketplace_listing/accounts/{account_id}\"],\n getSubscriptionPlanForAccountStubbed: [\"GET /marketplace_listing/stubbed/accounts/{account_id}\"],\n getUserInstallation: [\"GET /users/{username}/installation\"],\n getWebhookConfigForApp: [\"GET /app/hook/config\"],\n listAccountsForPlan: [\"GET /marketplace_listing/plans/{plan_id}/accounts\"],\n listAccountsForPlanStubbed: [\"GET /marketplace_listing/stubbed/plans/{plan_id}/accounts\"],\n listInstallationReposForAuthenticatedUser: [\"GET /user/installations/{installation_id}/repositories\"],\n listInstallations: [\"GET /app/installations\"],\n listInstallationsForAuthenticatedUser: [\"GET /user/installations\"],\n listPlans: [\"GET /marketplace_listing/plans\"],\n listPlansStubbed: [\"GET /marketplace_listing/stubbed/plans\"],\n listReposAccessibleToInstallation: [\"GET /installation/repositories\"],\n listSubscriptionsForAuthenticatedUser: [\"GET /user/marketplace_purchases\"],\n listSubscriptionsForAuthenticatedUserStubbed: [\"GET /user/marketplace_purchases/stubbed\"],\n removeRepoFromInstallation: [\"DELETE /user/installations/{installation_id}/repositories/{repository_id}\"],\n resetToken: [\"PATCH /applications/{client_id}/token\"],\n revokeInstallationAccessToken: [\"DELETE /installation/token\"],\n suspendInstallation: [\"PUT /app/installations/{installation_id}/suspended\"],\n unsuspendInstallation: [\"DELETE /app/installations/{installation_id}/suspended\"],\n updateWebhookConfigForApp: [\"PATCH /app/hook/config\"]\n },\n billing: {\n getGithubActionsBillingOrg: [\"GET /orgs/{org}/settings/billing/actions\"],\n getGithubActionsBillingUser: [\"GET /users/{username}/settings/billing/actions\"],\n getGithubPackagesBillingOrg: [\"GET /orgs/{org}/settings/billing/packages\"],\n getGithubPackagesBillingUser: [\"GET /users/{username}/settings/billing/packages\"],\n getSharedStorageBillingOrg: [\"GET /orgs/{org}/settings/billing/shared-storage\"],\n getSharedStorageBillingUser: [\"GET /users/{username}/settings/billing/shared-storage\"]\n },\n checks: {\n create: [\"POST /repos/{owner}/{repo}/check-runs\"],\n createSuite: [\"POST /repos/{owner}/{repo}/check-suites\"],\n get: [\"GET /repos/{owner}/{repo}/check-runs/{check_run_id}\"],\n getSuite: [\"GET /repos/{owner}/{repo}/check-suites/{check_suite_id}\"],\n listAnnotations: [\"GET /repos/{owner}/{repo}/check-runs/{check_run_id}/annotations\"],\n listForRef: [\"GET /repos/{owner}/{repo}/commits/{ref}/check-runs\"],\n listForSuite: [\"GET /repos/{owner}/{repo}/check-suites/{check_suite_id}/check-runs\"],\n listSuitesForRef: [\"GET /repos/{owner}/{repo}/commits/{ref}/check-suites\"],\n rerequestSuite: [\"POST /repos/{owner}/{repo}/check-suites/{check_suite_id}/rerequest\"],\n setSuitesPreferences: [\"PATCH /repos/{owner}/{repo}/check-suites/preferences\"],\n update: [\"PATCH /repos/{owner}/{repo}/check-runs/{check_run_id}\"]\n },\n codeScanning: {\n getAlert: [\"GET /repos/{owner}/{repo}/code-scanning/alerts/{alert_number}\", {}, {\n renamedParameters: {\n alert_id: \"alert_number\"\n }\n }],\n listAlertsForRepo: [\"GET /repos/{owner}/{repo}/code-scanning/alerts\"],\n listRecentAnalyses: [\"GET /repos/{owner}/{repo}/code-scanning/analyses\"],\n updateAlert: [\"PATCH /repos/{owner}/{repo}/code-scanning/alerts/{alert_number}\"],\n uploadSarif: [\"POST /repos/{owner}/{repo}/code-scanning/sarifs\"]\n },\n codesOfConduct: {\n getAllCodesOfConduct: [\"GET /codes_of_conduct\", {\n mediaType: {\n previews: [\"scarlet-witch\"]\n }\n }],\n getConductCode: [\"GET /codes_of_conduct/{key}\", {\n mediaType: {\n previews: [\"scarlet-witch\"]\n }\n }],\n getForRepo: [\"GET /repos/{owner}/{repo}/community/code_of_conduct\", {\n mediaType: {\n previews: [\"scarlet-witch\"]\n }\n }]\n },\n emojis: {\n get: [\"GET /emojis\"]\n },\n enterpriseAdmin: {\n disableSelectedOrganizationGithubActionsEnterprise: [\"DELETE /enterprises/{enterprise}/actions/permissions/organizations/{org_id}\"],\n enableSelectedOrganizationGithubActionsEnterprise: [\"PUT /enterprises/{enterprise}/actions/permissions/organizations/{org_id}\"],\n getAllowedActionsEnterprise: [\"GET /enterprises/{enterprise}/actions/permissions/selected-actions\"],\n getGithubActionsPermissionsEnterprise: [\"GET /enterprises/{enterprise}/actions/permissions\"],\n listSelectedOrganizationsEnabledGithubActionsEnterprise: [\"GET /enterprises/{enterprise}/actions/permissions/organizations\"],\n setAllowedActionsEnterprise: [\"PUT /enterprises/{enterprise}/actions/permissions/selected-actions\"],\n setGithubActionsPermissionsEnterprise: [\"PUT /enterprises/{enterprise}/actions/permissions\"],\n setSelectedOrganizationsEnabledGithubActionsEnterprise: [\"PUT /enterprises/{enterprise}/actions/permissions/organizations\"]\n },\n gists: {\n checkIsStarred: [\"GET /gists/{gist_id}/star\"],\n create: [\"POST /gists\"],\n createComment: [\"POST /gists/{gist_id}/comments\"],\n delete: [\"DELETE /gists/{gist_id}\"],\n deleteComment: [\"DELETE /gists/{gist_id}/comments/{comment_id}\"],\n fork: [\"POST /gists/{gist_id}/forks\"],\n get: [\"GET /gists/{gist_id}\"],\n getComment: [\"GET /gists/{gist_id}/comments/{comment_id}\"],\n getRevision: [\"GET /gists/{gist_id}/{sha}\"],\n list: [\"GET /gists\"],\n listComments: [\"GET /gists/{gist_id}/comments\"],\n listCommits: [\"GET /gists/{gist_id}/commits\"],\n listForUser: [\"GET /users/{username}/gists\"],\n listForks: [\"GET /gists/{gist_id}/forks\"],\n listPublic: [\"GET /gists/public\"],\n listStarred: [\"GET /gists/starred\"],\n star: [\"PUT /gists/{gist_id}/star\"],\n unstar: [\"DELETE /gists/{gist_id}/star\"],\n update: [\"PATCH /gists/{gist_id}\"],\n updateComment: [\"PATCH /gists/{gist_id}/comments/{comment_id}\"]\n },\n git: {\n createBlob: [\"POST /repos/{owner}/{repo}/git/blobs\"],\n createCommit: [\"POST /repos/{owner}/{repo}/git/commits\"],\n createRef: [\"POST /repos/{owner}/{repo}/git/refs\"],\n createTag: [\"POST /repos/{owner}/{repo}/git/tags\"],\n createTree: [\"POST /repos/{owner}/{repo}/git/trees\"],\n deleteRef: [\"DELETE /repos/{owner}/{repo}/git/refs/{ref}\"],\n getBlob: [\"GET /repos/{owner}/{repo}/git/blobs/{file_sha}\"],\n getCommit: [\"GET /repos/{owner}/{repo}/git/commits/{commit_sha}\"],\n getRef: [\"GET /repos/{owner}/{repo}/git/ref/{ref}\"],\n getTag: [\"GET /repos/{owner}/{repo}/git/tags/{tag_sha}\"],\n getTree: [\"GET /repos/{owner}/{repo}/git/trees/{tree_sha}\"],\n listMatchingRefs: [\"GET /repos/{owner}/{repo}/git/matching-refs/{ref}\"],\n updateRef: [\"PATCH /repos/{owner}/{repo}/git/refs/{ref}\"]\n },\n gitignore: {\n getAllTemplates: [\"GET /gitignore/templates\"],\n getTemplate: [\"GET /gitignore/templates/{name}\"]\n },\n interactions: {\n getRestrictionsForOrg: [\"GET /orgs/{org}/interaction-limits\"],\n getRestrictionsForRepo: [\"GET /repos/{owner}/{repo}/interaction-limits\"],\n getRestrictionsForYourPublicRepos: [\"GET /user/interaction-limits\"],\n removeRestrictionsForOrg: [\"DELETE /orgs/{org}/interaction-limits\"],\n removeRestrictionsForRepo: [\"DELETE /repos/{owner}/{repo}/interaction-limits\"],\n removeRestrictionsForYourPublicRepos: [\"DELETE /user/interaction-limits\"],\n setRestrictionsForOrg: [\"PUT /orgs/{org}/interaction-limits\"],\n setRestrictionsForRepo: [\"PUT /repos/{owner}/{repo}/interaction-limits\"],\n setRestrictionsForYourPublicRepos: [\"PUT /user/interaction-limits\"]\n },\n issues: {\n addAssignees: [\"POST /repos/{owner}/{repo}/issues/{issue_number}/assignees\"],\n addLabels: [\"POST /repos/{owner}/{repo}/issues/{issue_number}/labels\"],\n checkUserCanBeAssigned: [\"GET /repos/{owner}/{repo}/assignees/{assignee}\"],\n create: [\"POST /repos/{owner}/{repo}/issues\"],\n createComment: [\"POST /repos/{owner}/{repo}/issues/{issue_number}/comments\"],\n createLabel: [\"POST /repos/{owner}/{repo}/labels\"],\n createMilestone: [\"POST /repos/{owner}/{repo}/milestones\"],\n deleteComment: [\"DELETE /repos/{owner}/{repo}/issues/comments/{comment_id}\"],\n deleteLabel: [\"DELETE /repos/{owner}/{repo}/labels/{name}\"],\n deleteMilestone: [\"DELETE /repos/{owner}/{repo}/milestones/{milestone_number}\"],\n get: [\"GET /repos/{owner}/{repo}/issues/{issue_number}\"],\n getComment: [\"GET /repos/{owner}/{repo}/issues/comments/{comment_id}\"],\n getEvent: [\"GET /repos/{owner}/{repo}/issues/events/{event_id}\"],\n getLabel: [\"GET /repos/{owner}/{repo}/labels/{name}\"],\n getMilestone: [\"GET /repos/{owner}/{repo}/milestones/{milestone_number}\"],\n list: [\"GET /issues\"],\n listAssignees: [\"GET /repos/{owner}/{repo}/assignees\"],\n listComments: [\"GET /repos/{owner}/{repo}/issues/{issue_number}/comments\"],\n listCommentsForRepo: [\"GET /repos/{owner}/{repo}/issues/comments\"],\n listEvents: [\"GET /repos/{owner}/{repo}/issues/{issue_number}/events\"],\n listEventsForRepo: [\"GET /repos/{owner}/{repo}/issues/events\"],\n listEventsForTimeline: [\"GET /repos/{owner}/{repo}/issues/{issue_number}/timeline\", {\n mediaType: {\n previews: [\"mockingbird\"]\n }\n }],\n listForAuthenticatedUser: [\"GET /user/issues\"],\n listForOrg: [\"GET /orgs/{org}/issues\"],\n listForRepo: [\"GET /repos/{owner}/{repo}/issues\"],\n listLabelsForMilestone: [\"GET /repos/{owner}/{repo}/milestones/{milestone_number}/labels\"],\n listLabelsForRepo: [\"GET /repos/{owner}/{repo}/labels\"],\n listLabelsOnIssue: [\"GET /repos/{owner}/{repo}/issues/{issue_number}/labels\"],\n listMilestones: [\"GET /repos/{owner}/{repo}/milestones\"],\n lock: [\"PUT /repos/{owner}/{repo}/issues/{issue_number}/lock\"],\n removeAllLabels: [\"DELETE /repos/{owner}/{repo}/issues/{issue_number}/labels\"],\n removeAssignees: [\"DELETE /repos/{owner}/{repo}/issues/{issue_number}/assignees\"],\n removeLabel: [\"DELETE /repos/{owner}/{repo}/issues/{issue_number}/labels/{name}\"],\n setLabels: [\"PUT /repos/{owner}/{repo}/issues/{issue_number}/labels\"],\n unlock: [\"DELETE /repos/{owner}/{repo}/issues/{issue_number}/lock\"],\n update: [\"PATCH /repos/{owner}/{repo}/issues/{issue_number}\"],\n updateComment: [\"PATCH /repos/{owner}/{repo}/issues/comments/{comment_id}\"],\n updateLabel: [\"PATCH /repos/{owner}/{repo}/labels/{name}\"],\n updateMilestone: [\"PATCH /repos/{owner}/{repo}/milestones/{milestone_number}\"]\n },\n licenses: {\n get: [\"GET /licenses/{license}\"],\n getAllCommonlyUsed: [\"GET /licenses\"],\n getForRepo: [\"GET /repos/{owner}/{repo}/license\"]\n },\n markdown: {\n render: [\"POST /markdown\"],\n renderRaw: [\"POST /markdown/raw\", {\n headers: {\n \"content-type\": \"text/plain; charset=utf-8\"\n }\n }]\n },\n meta: {\n get: [\"GET /meta\"],\n getOctocat: [\"GET /octocat\"],\n getZen: [\"GET /zen\"],\n root: [\"GET /\"]\n },\n migrations: {\n cancelImport: [\"DELETE /repos/{owner}/{repo}/import\"],\n deleteArchiveForAuthenticatedUser: [\"DELETE /user/migrations/{migration_id}/archive\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n deleteArchiveForOrg: [\"DELETE /orgs/{org}/migrations/{migration_id}/archive\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n downloadArchiveForOrg: [\"GET /orgs/{org}/migrations/{migration_id}/archive\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n getArchiveForAuthenticatedUser: [\"GET /user/migrations/{migration_id}/archive\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n getCommitAuthors: [\"GET /repos/{owner}/{repo}/import/authors\"],\n getImportStatus: [\"GET /repos/{owner}/{repo}/import\"],\n getLargeFiles: [\"GET /repos/{owner}/{repo}/import/large_files\"],\n getStatusForAuthenticatedUser: [\"GET /user/migrations/{migration_id}\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n getStatusForOrg: [\"GET /orgs/{org}/migrations/{migration_id}\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n listForAuthenticatedUser: [\"GET /user/migrations\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n listForOrg: [\"GET /orgs/{org}/migrations\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n listReposForOrg: [\"GET /orgs/{org}/migrations/{migration_id}/repositories\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n listReposForUser: [\"GET /user/migrations/{migration_id}/repositories\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n mapCommitAuthor: [\"PATCH /repos/{owner}/{repo}/import/authors/{author_id}\"],\n setLfsPreference: [\"PATCH /repos/{owner}/{repo}/import/lfs\"],\n startForAuthenticatedUser: [\"POST /user/migrations\"],\n startForOrg: [\"POST /orgs/{org}/migrations\"],\n startImport: [\"PUT /repos/{owner}/{repo}/import\"],\n unlockRepoForAuthenticatedUser: [\"DELETE /user/migrations/{migration_id}/repos/{repo_name}/lock\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n unlockRepoForOrg: [\"DELETE /orgs/{org}/migrations/{migration_id}/repos/{repo_name}/lock\", {\n mediaType: {\n previews: [\"wyandotte\"]\n }\n }],\n updateImport: [\"PATCH /repos/{owner}/{repo}/import\"]\n },\n orgs: {\n blockUser: [\"PUT /orgs/{org}/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n checkBlockedUser: [\"GET /orgs/{org}/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n checkMembershipForUser: [\"GET /orgs/{org}/members/{username}\"],\n checkPublicMembershipForUser: [\"GET /orgs/{org}/public_members/{username}\"],\n convertMemberToOutsideCollaborator: [\"PUT /orgs/{org}/outside_collaborators/{username}\"],\n createInvitation: [\"POST /orgs/{org}/invitations\"],\n createWebhook: [\"POST /orgs/{org}/hooks\"],\n deleteWebhook: [\"DELETE /orgs/{org}/hooks/{hook_id}\"],\n get: [\"GET /orgs/{org}\"],\n getMembershipForAuthenticatedUser: [\"GET /user/memberships/orgs/{org}\"],\n getMembershipForUser: [\"GET /orgs/{org}/memberships/{username}\"],\n getWebhook: [\"GET /orgs/{org}/hooks/{hook_id}\"],\n getWebhookConfigForOrg: [\"GET /orgs/{org}/hooks/{hook_id}/config\"],\n list: [\"GET /organizations\"],\n listAppInstallations: [\"GET /orgs/{org}/installations\"],\n listBlockedUsers: [\"GET /orgs/{org}/blocks\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n listForAuthenticatedUser: [\"GET /user/orgs\"],\n listForUser: [\"GET /users/{username}/orgs\"],\n listInvitationTeams: [\"GET /orgs/{org}/invitations/{invitation_id}/teams\"],\n listMembers: [\"GET /orgs/{org}/members\"],\n listMembershipsForAuthenticatedUser: [\"GET /user/memberships/orgs\"],\n listOutsideCollaborators: [\"GET /orgs/{org}/outside_collaborators\"],\n listPendingInvitations: [\"GET /orgs/{org}/invitations\"],\n listPublicMembers: [\"GET /orgs/{org}/public_members\"],\n listWebhooks: [\"GET /orgs/{org}/hooks\"],\n pingWebhook: [\"POST /orgs/{org}/hooks/{hook_id}/pings\"],\n removeMember: [\"DELETE /orgs/{org}/members/{username}\"],\n removeMembershipForUser: [\"DELETE /orgs/{org}/memberships/{username}\"],\n removeOutsideCollaborator: [\"DELETE /orgs/{org}/outside_collaborators/{username}\"],\n removePublicMembershipForAuthenticatedUser: [\"DELETE /orgs/{org}/public_members/{username}\"],\n setMembershipForUser: [\"PUT /orgs/{org}/memberships/{username}\"],\n setPublicMembershipForAuthenticatedUser: [\"PUT /orgs/{org}/public_members/{username}\"],\n unblockUser: [\"DELETE /orgs/{org}/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n update: [\"PATCH /orgs/{org}\"],\n updateMembershipForAuthenticatedUser: [\"PATCH /user/memberships/orgs/{org}\"],\n updateWebhook: [\"PATCH /orgs/{org}/hooks/{hook_id}\"],\n updateWebhookConfigForOrg: [\"PATCH /orgs/{org}/hooks/{hook_id}/config\"]\n },\n projects: {\n addCollaborator: [\"PUT /projects/{project_id}/collaborators/{username}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n createCard: [\"POST /projects/columns/{column_id}/cards\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n createColumn: [\"POST /projects/{project_id}/columns\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n createForAuthenticatedUser: [\"POST /user/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n createForOrg: [\"POST /orgs/{org}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n createForRepo: [\"POST /repos/{owner}/{repo}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n delete: [\"DELETE /projects/{project_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n deleteCard: [\"DELETE /projects/columns/cards/{card_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n deleteColumn: [\"DELETE /projects/columns/{column_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n get: [\"GET /projects/{project_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n getCard: [\"GET /projects/columns/cards/{card_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n getColumn: [\"GET /projects/columns/{column_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n getPermissionForUser: [\"GET /projects/{project_id}/collaborators/{username}/permission\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listCards: [\"GET /projects/columns/{column_id}/cards\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listCollaborators: [\"GET /projects/{project_id}/collaborators\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listColumns: [\"GET /projects/{project_id}/columns\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listForOrg: [\"GET /orgs/{org}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listForRepo: [\"GET /repos/{owner}/{repo}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listForUser: [\"GET /users/{username}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n moveCard: [\"POST /projects/columns/cards/{card_id}/moves\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n moveColumn: [\"POST /projects/columns/{column_id}/moves\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n removeCollaborator: [\"DELETE /projects/{project_id}/collaborators/{username}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n update: [\"PATCH /projects/{project_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n updateCard: [\"PATCH /projects/columns/cards/{card_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n updateColumn: [\"PATCH /projects/columns/{column_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }]\n },\n pulls: {\n checkIfMerged: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/merge\"],\n create: [\"POST /repos/{owner}/{repo}/pulls\"],\n createReplyForReviewComment: [\"POST /repos/{owner}/{repo}/pulls/{pull_number}/comments/{comment_id}/replies\"],\n createReview: [\"POST /repos/{owner}/{repo}/pulls/{pull_number}/reviews\"],\n createReviewComment: [\"POST /repos/{owner}/{repo}/pulls/{pull_number}/comments\"],\n deletePendingReview: [\"DELETE /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}\"],\n deleteReviewComment: [\"DELETE /repos/{owner}/{repo}/pulls/comments/{comment_id}\"],\n dismissReview: [\"PUT /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}/dismissals\"],\n get: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}\"],\n getReview: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}\"],\n getReviewComment: [\"GET /repos/{owner}/{repo}/pulls/comments/{comment_id}\"],\n list: [\"GET /repos/{owner}/{repo}/pulls\"],\n listCommentsForReview: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}/comments\"],\n listCommits: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/commits\"],\n listFiles: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/files\"],\n listRequestedReviewers: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers\"],\n listReviewComments: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/comments\"],\n listReviewCommentsForRepo: [\"GET /repos/{owner}/{repo}/pulls/comments\"],\n listReviews: [\"GET /repos/{owner}/{repo}/pulls/{pull_number}/reviews\"],\n merge: [\"PUT /repos/{owner}/{repo}/pulls/{pull_number}/merge\"],\n removeRequestedReviewers: [\"DELETE /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers\"],\n requestReviewers: [\"POST /repos/{owner}/{repo}/pulls/{pull_number}/requested_reviewers\"],\n submitReview: [\"POST /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}/events\"],\n update: [\"PATCH /repos/{owner}/{repo}/pulls/{pull_number}\"],\n updateBranch: [\"PUT /repos/{owner}/{repo}/pulls/{pull_number}/update-branch\", {\n mediaType: {\n previews: [\"lydian\"]\n }\n }],\n updateReview: [\"PUT /repos/{owner}/{repo}/pulls/{pull_number}/reviews/{review_id}\"],\n updateReviewComment: [\"PATCH /repos/{owner}/{repo}/pulls/comments/{comment_id}\"]\n },\n rateLimit: {\n get: [\"GET /rate_limit\"]\n },\n reactions: {\n createForCommitComment: [\"POST /repos/{owner}/{repo}/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n createForIssue: [\"POST /repos/{owner}/{repo}/issues/{issue_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n createForIssueComment: [\"POST /repos/{owner}/{repo}/issues/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n createForPullRequestReviewComment: [\"POST /repos/{owner}/{repo}/pulls/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n createForTeamDiscussionCommentInOrg: [\"POST /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n createForTeamDiscussionInOrg: [\"POST /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForCommitComment: [\"DELETE /repos/{owner}/{repo}/comments/{comment_id}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForIssue: [\"DELETE /repos/{owner}/{repo}/issues/{issue_number}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForIssueComment: [\"DELETE /repos/{owner}/{repo}/issues/comments/{comment_id}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForPullRequestComment: [\"DELETE /repos/{owner}/{repo}/pulls/comments/{comment_id}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForTeamDiscussion: [\"DELETE /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteForTeamDiscussionComment: [\"DELETE /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}/reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n deleteLegacy: [\"DELETE /reactions/{reaction_id}\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }, {\n deprecated: \"octokit.reactions.deleteLegacy() is deprecated, see https://docs.github.com/v3/reactions/#delete-a-reaction-legacy\"\n }],\n listForCommitComment: [\"GET /repos/{owner}/{repo}/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n listForIssue: [\"GET /repos/{owner}/{repo}/issues/{issue_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n listForIssueComment: [\"GET /repos/{owner}/{repo}/issues/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n listForPullRequestReviewComment: [\"GET /repos/{owner}/{repo}/pulls/comments/{comment_id}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n listForTeamDiscussionCommentInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }],\n listForTeamDiscussionInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/reactions\", {\n mediaType: {\n previews: [\"squirrel-girl\"]\n }\n }]\n },\n repos: {\n acceptInvitation: [\"PATCH /user/repository_invitations/{invitation_id}\"],\n addAppAccessRestrictions: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/apps\", {}, {\n mapToData: \"apps\"\n }],\n addCollaborator: [\"PUT /repos/{owner}/{repo}/collaborators/{username}\"],\n addStatusCheckContexts: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks/contexts\", {}, {\n mapToData: \"contexts\"\n }],\n addTeamAccessRestrictions: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/teams\", {}, {\n mapToData: \"teams\"\n }],\n addUserAccessRestrictions: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/users\", {}, {\n mapToData: \"users\"\n }],\n checkCollaborator: [\"GET /repos/{owner}/{repo}/collaborators/{username}\"],\n checkVulnerabilityAlerts: [\"GET /repos/{owner}/{repo}/vulnerability-alerts\", {\n mediaType: {\n previews: [\"dorian\"]\n }\n }],\n compareCommits: [\"GET /repos/{owner}/{repo}/compare/{base}...{head}\"],\n createCommitComment: [\"POST /repos/{owner}/{repo}/commits/{commit_sha}/comments\"],\n createCommitSignatureProtection: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/required_signatures\", {\n mediaType: {\n previews: [\"zzzax\"]\n }\n }],\n createCommitStatus: [\"POST /repos/{owner}/{repo}/statuses/{sha}\"],\n createDeployKey: [\"POST /repos/{owner}/{repo}/keys\"],\n createDeployment: [\"POST /repos/{owner}/{repo}/deployments\"],\n createDeploymentStatus: [\"POST /repos/{owner}/{repo}/deployments/{deployment_id}/statuses\"],\n createDispatchEvent: [\"POST /repos/{owner}/{repo}/dispatches\"],\n createForAuthenticatedUser: [\"POST /user/repos\"],\n createFork: [\"POST /repos/{owner}/{repo}/forks\"],\n createInOrg: [\"POST /orgs/{org}/repos\"],\n createOrUpdateFileContents: [\"PUT /repos/{owner}/{repo}/contents/{path}\"],\n createPagesSite: [\"POST /repos/{owner}/{repo}/pages\", {\n mediaType: {\n previews: [\"switcheroo\"]\n }\n }],\n createRelease: [\"POST /repos/{owner}/{repo}/releases\"],\n createUsingTemplate: [\"POST /repos/{template_owner}/{template_repo}/generate\", {\n mediaType: {\n previews: [\"baptiste\"]\n }\n }],\n createWebhook: [\"POST /repos/{owner}/{repo}/hooks\"],\n declineInvitation: [\"DELETE /user/repository_invitations/{invitation_id}\"],\n delete: [\"DELETE /repos/{owner}/{repo}\"],\n deleteAccessRestrictions: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/restrictions\"],\n deleteAdminBranchProtection: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/enforce_admins\"],\n deleteBranchProtection: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection\"],\n deleteCommitComment: [\"DELETE /repos/{owner}/{repo}/comments/{comment_id}\"],\n deleteCommitSignatureProtection: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/required_signatures\", {\n mediaType: {\n previews: [\"zzzax\"]\n }\n }],\n deleteDeployKey: [\"DELETE /repos/{owner}/{repo}/keys/{key_id}\"],\n deleteDeployment: [\"DELETE /repos/{owner}/{repo}/deployments/{deployment_id}\"],\n deleteFile: [\"DELETE /repos/{owner}/{repo}/contents/{path}\"],\n deleteInvitation: [\"DELETE /repos/{owner}/{repo}/invitations/{invitation_id}\"],\n deletePagesSite: [\"DELETE /repos/{owner}/{repo}/pages\", {\n mediaType: {\n previews: [\"switcheroo\"]\n }\n }],\n deletePullRequestReviewProtection: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/required_pull_request_reviews\"],\n deleteRelease: [\"DELETE /repos/{owner}/{repo}/releases/{release_id}\"],\n deleteReleaseAsset: [\"DELETE /repos/{owner}/{repo}/releases/assets/{asset_id}\"],\n deleteWebhook: [\"DELETE /repos/{owner}/{repo}/hooks/{hook_id}\"],\n disableAutomatedSecurityFixes: [\"DELETE /repos/{owner}/{repo}/automated-security-fixes\", {\n mediaType: {\n previews: [\"london\"]\n }\n }],\n disableVulnerabilityAlerts: [\"DELETE /repos/{owner}/{repo}/vulnerability-alerts\", {\n mediaType: {\n previews: [\"dorian\"]\n }\n }],\n downloadArchive: [\"GET /repos/{owner}/{repo}/zipball/{ref}\", {}, {\n renamed: [\"repos\", \"downloadZipballArchive\"]\n }],\n downloadTarballArchive: [\"GET /repos/{owner}/{repo}/tarball/{ref}\"],\n downloadZipballArchive: [\"GET /repos/{owner}/{repo}/zipball/{ref}\"],\n enableAutomatedSecurityFixes: [\"PUT /repos/{owner}/{repo}/automated-security-fixes\", {\n mediaType: {\n previews: [\"london\"]\n }\n }],\n enableVulnerabilityAlerts: [\"PUT /repos/{owner}/{repo}/vulnerability-alerts\", {\n mediaType: {\n previews: [\"dorian\"]\n }\n }],\n get: [\"GET /repos/{owner}/{repo}\"],\n getAccessRestrictions: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/restrictions\"],\n getAdminBranchProtection: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/enforce_admins\"],\n getAllStatusCheckContexts: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks/contexts\"],\n getAllTopics: [\"GET /repos/{owner}/{repo}/topics\", {\n mediaType: {\n previews: [\"mercy\"]\n }\n }],\n getAppsWithAccessToProtectedBranch: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/apps\"],\n getBranch: [\"GET /repos/{owner}/{repo}/branches/{branch}\"],\n getBranchProtection: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection\"],\n getClones: [\"GET /repos/{owner}/{repo}/traffic/clones\"],\n getCodeFrequencyStats: [\"GET /repos/{owner}/{repo}/stats/code_frequency\"],\n getCollaboratorPermissionLevel: [\"GET /repos/{owner}/{repo}/collaborators/{username}/permission\"],\n getCombinedStatusForRef: [\"GET /repos/{owner}/{repo}/commits/{ref}/status\"],\n getCommit: [\"GET /repos/{owner}/{repo}/commits/{ref}\"],\n getCommitActivityStats: [\"GET /repos/{owner}/{repo}/stats/commit_activity\"],\n getCommitComment: [\"GET /repos/{owner}/{repo}/comments/{comment_id}\"],\n getCommitSignatureProtection: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/required_signatures\", {\n mediaType: {\n previews: [\"zzzax\"]\n }\n }],\n getCommunityProfileMetrics: [\"GET /repos/{owner}/{repo}/community/profile\"],\n getContent: [\"GET /repos/{owner}/{repo}/contents/{path}\"],\n getContributorsStats: [\"GET /repos/{owner}/{repo}/stats/contributors\"],\n getDeployKey: [\"GET /repos/{owner}/{repo}/keys/{key_id}\"],\n getDeployment: [\"GET /repos/{owner}/{repo}/deployments/{deployment_id}\"],\n getDeploymentStatus: [\"GET /repos/{owner}/{repo}/deployments/{deployment_id}/statuses/{status_id}\"],\n getLatestPagesBuild: [\"GET /repos/{owner}/{repo}/pages/builds/latest\"],\n getLatestRelease: [\"GET /repos/{owner}/{repo}/releases/latest\"],\n getPages: [\"GET /repos/{owner}/{repo}/pages\"],\n getPagesBuild: [\"GET /repos/{owner}/{repo}/pages/builds/{build_id}\"],\n getParticipationStats: [\"GET /repos/{owner}/{repo}/stats/participation\"],\n getPullRequestReviewProtection: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/required_pull_request_reviews\"],\n getPunchCardStats: [\"GET /repos/{owner}/{repo}/stats/punch_card\"],\n getReadme: [\"GET /repos/{owner}/{repo}/readme\"],\n getRelease: [\"GET /repos/{owner}/{repo}/releases/{release_id}\"],\n getReleaseAsset: [\"GET /repos/{owner}/{repo}/releases/assets/{asset_id}\"],\n getReleaseByTag: [\"GET /repos/{owner}/{repo}/releases/tags/{tag}\"],\n getStatusChecksProtection: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks\"],\n getTeamsWithAccessToProtectedBranch: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/teams\"],\n getTopPaths: [\"GET /repos/{owner}/{repo}/traffic/popular/paths\"],\n getTopReferrers: [\"GET /repos/{owner}/{repo}/traffic/popular/referrers\"],\n getUsersWithAccessToProtectedBranch: [\"GET /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/users\"],\n getViews: [\"GET /repos/{owner}/{repo}/traffic/views\"],\n getWebhook: [\"GET /repos/{owner}/{repo}/hooks/{hook_id}\"],\n getWebhookConfigForRepo: [\"GET /repos/{owner}/{repo}/hooks/{hook_id}/config\"],\n listBranches: [\"GET /repos/{owner}/{repo}/branches\"],\n listBranchesForHeadCommit: [\"GET /repos/{owner}/{repo}/commits/{commit_sha}/branches-where-head\", {\n mediaType: {\n previews: [\"groot\"]\n }\n }],\n listCollaborators: [\"GET /repos/{owner}/{repo}/collaborators\"],\n listCommentsForCommit: [\"GET /repos/{owner}/{repo}/commits/{commit_sha}/comments\"],\n listCommitCommentsForRepo: [\"GET /repos/{owner}/{repo}/comments\"],\n listCommitStatusesForRef: [\"GET /repos/{owner}/{repo}/commits/{ref}/statuses\"],\n listCommits: [\"GET /repos/{owner}/{repo}/commits\"],\n listContributors: [\"GET /repos/{owner}/{repo}/contributors\"],\n listDeployKeys: [\"GET /repos/{owner}/{repo}/keys\"],\n listDeploymentStatuses: [\"GET /repos/{owner}/{repo}/deployments/{deployment_id}/statuses\"],\n listDeployments: [\"GET /repos/{owner}/{repo}/deployments\"],\n listForAuthenticatedUser: [\"GET /user/repos\"],\n listForOrg: [\"GET /orgs/{org}/repos\"],\n listForUser: [\"GET /users/{username}/repos\"],\n listForks: [\"GET /repos/{owner}/{repo}/forks\"],\n listInvitations: [\"GET /repos/{owner}/{repo}/invitations\"],\n listInvitationsForAuthenticatedUser: [\"GET /user/repository_invitations\"],\n listLanguages: [\"GET /repos/{owner}/{repo}/languages\"],\n listPagesBuilds: [\"GET /repos/{owner}/{repo}/pages/builds\"],\n listPublic: [\"GET /repositories\"],\n listPullRequestsAssociatedWithCommit: [\"GET /repos/{owner}/{repo}/commits/{commit_sha}/pulls\", {\n mediaType: {\n previews: [\"groot\"]\n }\n }],\n listReleaseAssets: [\"GET /repos/{owner}/{repo}/releases/{release_id}/assets\"],\n listReleases: [\"GET /repos/{owner}/{repo}/releases\"],\n listTags: [\"GET /repos/{owner}/{repo}/tags\"],\n listTeams: [\"GET /repos/{owner}/{repo}/teams\"],\n listWebhooks: [\"GET /repos/{owner}/{repo}/hooks\"],\n merge: [\"POST /repos/{owner}/{repo}/merges\"],\n pingWebhook: [\"POST /repos/{owner}/{repo}/hooks/{hook_id}/pings\"],\n removeAppAccessRestrictions: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/apps\", {}, {\n mapToData: \"apps\"\n }],\n removeCollaborator: [\"DELETE /repos/{owner}/{repo}/collaborators/{username}\"],\n removeStatusCheckContexts: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks/contexts\", {}, {\n mapToData: \"contexts\"\n }],\n removeStatusCheckProtection: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks\"],\n removeTeamAccessRestrictions: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/teams\", {}, {\n mapToData: \"teams\"\n }],\n removeUserAccessRestrictions: [\"DELETE /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/users\", {}, {\n mapToData: \"users\"\n }],\n replaceAllTopics: [\"PUT /repos/{owner}/{repo}/topics\", {\n mediaType: {\n previews: [\"mercy\"]\n }\n }],\n requestPagesBuild: [\"POST /repos/{owner}/{repo}/pages/builds\"],\n setAdminBranchProtection: [\"POST /repos/{owner}/{repo}/branches/{branch}/protection/enforce_admins\"],\n setAppAccessRestrictions: [\"PUT /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/apps\", {}, {\n mapToData: \"apps\"\n }],\n setStatusCheckContexts: [\"PUT /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks/contexts\", {}, {\n mapToData: \"contexts\"\n }],\n setTeamAccessRestrictions: [\"PUT /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/teams\", {}, {\n mapToData: \"teams\"\n }],\n setUserAccessRestrictions: [\"PUT /repos/{owner}/{repo}/branches/{branch}/protection/restrictions/users\", {}, {\n mapToData: \"users\"\n }],\n testPushWebhook: [\"POST /repos/{owner}/{repo}/hooks/{hook_id}/tests\"],\n transfer: [\"POST /repos/{owner}/{repo}/transfer\"],\n update: [\"PATCH /repos/{owner}/{repo}\"],\n updateBranchProtection: [\"PUT /repos/{owner}/{repo}/branches/{branch}/protection\"],\n updateCommitComment: [\"PATCH /repos/{owner}/{repo}/comments/{comment_id}\"],\n updateInformationAboutPagesSite: [\"PUT /repos/{owner}/{repo}/pages\"],\n updateInvitation: [\"PATCH /repos/{owner}/{repo}/invitations/{invitation_id}\"],\n updatePullRequestReviewProtection: [\"PATCH /repos/{owner}/{repo}/branches/{branch}/protection/required_pull_request_reviews\"],\n updateRelease: [\"PATCH /repos/{owner}/{repo}/releases/{release_id}\"],\n updateReleaseAsset: [\"PATCH /repos/{owner}/{repo}/releases/assets/{asset_id}\"],\n updateStatusCheckPotection: [\"PATCH /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks\", {}, {\n renamed: [\"repos\", \"updateStatusCheckProtection\"]\n }],\n updateStatusCheckProtection: [\"PATCH /repos/{owner}/{repo}/branches/{branch}/protection/required_status_checks\"],\n updateWebhook: [\"PATCH /repos/{owner}/{repo}/hooks/{hook_id}\"],\n updateWebhookConfigForRepo: [\"PATCH /repos/{owner}/{repo}/hooks/{hook_id}/config\"],\n uploadReleaseAsset: [\"POST /repos/{owner}/{repo}/releases/{release_id}/assets{?name,label}\", {\n baseUrl: \"https://uploads.github.com\"\n }]\n },\n search: {\n code: [\"GET /search/code\"],\n commits: [\"GET /search/commits\", {\n mediaType: {\n previews: [\"cloak\"]\n }\n }],\n issuesAndPullRequests: [\"GET /search/issues\"],\n labels: [\"GET /search/labels\"],\n repos: [\"GET /search/repositories\"],\n topics: [\"GET /search/topics\", {\n mediaType: {\n previews: [\"mercy\"]\n }\n }],\n users: [\"GET /search/users\"]\n },\n secretScanning: {\n getAlert: [\"GET /repos/{owner}/{repo}/secret-scanning/alerts/{alert_number}\"],\n listAlertsForRepo: [\"GET /repos/{owner}/{repo}/secret-scanning/alerts\"],\n updateAlert: [\"PATCH /repos/{owner}/{repo}/secret-scanning/alerts/{alert_number}\"]\n },\n teams: {\n addOrUpdateMembershipForUserInOrg: [\"PUT /orgs/{org}/teams/{team_slug}/memberships/{username}\"],\n addOrUpdateProjectPermissionsInOrg: [\"PUT /orgs/{org}/teams/{team_slug}/projects/{project_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n addOrUpdateRepoPermissionsInOrg: [\"PUT /orgs/{org}/teams/{team_slug}/repos/{owner}/{repo}\"],\n checkPermissionsForProjectInOrg: [\"GET /orgs/{org}/teams/{team_slug}/projects/{project_id}\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n checkPermissionsForRepoInOrg: [\"GET /orgs/{org}/teams/{team_slug}/repos/{owner}/{repo}\"],\n create: [\"POST /orgs/{org}/teams\"],\n createDiscussionCommentInOrg: [\"POST /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments\"],\n createDiscussionInOrg: [\"POST /orgs/{org}/teams/{team_slug}/discussions\"],\n deleteDiscussionCommentInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}\"],\n deleteDiscussionInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}\"],\n deleteInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}\"],\n getByName: [\"GET /orgs/{org}/teams/{team_slug}\"],\n getDiscussionCommentInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}\"],\n getDiscussionInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}\"],\n getMembershipForUserInOrg: [\"GET /orgs/{org}/teams/{team_slug}/memberships/{username}\"],\n list: [\"GET /orgs/{org}/teams\"],\n listChildInOrg: [\"GET /orgs/{org}/teams/{team_slug}/teams\"],\n listDiscussionCommentsInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments\"],\n listDiscussionsInOrg: [\"GET /orgs/{org}/teams/{team_slug}/discussions\"],\n listForAuthenticatedUser: [\"GET /user/teams\"],\n listMembersInOrg: [\"GET /orgs/{org}/teams/{team_slug}/members\"],\n listPendingInvitationsInOrg: [\"GET /orgs/{org}/teams/{team_slug}/invitations\"],\n listProjectsInOrg: [\"GET /orgs/{org}/teams/{team_slug}/projects\", {\n mediaType: {\n previews: [\"inertia\"]\n }\n }],\n listReposInOrg: [\"GET /orgs/{org}/teams/{team_slug}/repos\"],\n removeMembershipForUserInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}/memberships/{username}\"],\n removeProjectInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}/projects/{project_id}\"],\n removeRepoInOrg: [\"DELETE /orgs/{org}/teams/{team_slug}/repos/{owner}/{repo}\"],\n updateDiscussionCommentInOrg: [\"PATCH /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}/comments/{comment_number}\"],\n updateDiscussionInOrg: [\"PATCH /orgs/{org}/teams/{team_slug}/discussions/{discussion_number}\"],\n updateInOrg: [\"PATCH /orgs/{org}/teams/{team_slug}\"]\n },\n users: {\n addEmailForAuthenticated: [\"POST /user/emails\"],\n block: [\"PUT /user/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n checkBlocked: [\"GET /user/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n checkFollowingForUser: [\"GET /users/{username}/following/{target_user}\"],\n checkPersonIsFollowedByAuthenticated: [\"GET /user/following/{username}\"],\n createGpgKeyForAuthenticated: [\"POST /user/gpg_keys\"],\n createPublicSshKeyForAuthenticated: [\"POST /user/keys\"],\n deleteEmailForAuthenticated: [\"DELETE /user/emails\"],\n deleteGpgKeyForAuthenticated: [\"DELETE /user/gpg_keys/{gpg_key_id}\"],\n deletePublicSshKeyForAuthenticated: [\"DELETE /user/keys/{key_id}\"],\n follow: [\"PUT /user/following/{username}\"],\n getAuthenticated: [\"GET /user\"],\n getByUsername: [\"GET /users/{username}\"],\n getContextForUser: [\"GET /users/{username}/hovercard\"],\n getGpgKeyForAuthenticated: [\"GET /user/gpg_keys/{gpg_key_id}\"],\n getPublicSshKeyForAuthenticated: [\"GET /user/keys/{key_id}\"],\n list: [\"GET /users\"],\n listBlockedByAuthenticated: [\"GET /user/blocks\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n listEmailsForAuthenticated: [\"GET /user/emails\"],\n listFollowedByAuthenticated: [\"GET /user/following\"],\n listFollowersForAuthenticatedUser: [\"GET /user/followers\"],\n listFollowersForUser: [\"GET /users/{username}/followers\"],\n listFollowingForUser: [\"GET /users/{username}/following\"],\n listGpgKeysForAuthenticated: [\"GET /user/gpg_keys\"],\n listGpgKeysForUser: [\"GET /users/{username}/gpg_keys\"],\n listPublicEmailsForAuthenticated: [\"GET /user/public_emails\"],\n listPublicKeysForUser: [\"GET /users/{username}/keys\"],\n listPublicSshKeysForAuthenticated: [\"GET /user/keys\"],\n setPrimaryEmailVisibilityForAuthenticated: [\"PATCH /user/email/visibility\"],\n unblock: [\"DELETE /user/blocks/{username}\", {\n mediaType: {\n previews: [\"giant-sentry-fist\"]\n }\n }],\n unfollow: [\"DELETE /user/following/{username}\"],\n updateAuthenticated: [\"PATCH /user\"]\n }\n};\n\nconst VERSION = \"4.4.3\";\n\nfunction endpointsToMethods(octokit, endpointsMap) {\n const newMethods = {};\n\n for (const [scope, endpoints] of Object.entries(endpointsMap)) {\n for (const [methodName, endpoint] of Object.entries(endpoints)) {\n const [route, defaults, decorations] = endpoint;\n const [method, url] = route.split(/ /);\n const endpointDefaults = Object.assign({\n method,\n url\n }, defaults);\n\n if (!newMethods[scope]) {\n newMethods[scope] = {};\n }\n\n const scopeMethods = newMethods[scope];\n\n if (decorations) {\n scopeMethods[methodName] = decorate(octokit, scope, methodName, endpointDefaults, decorations);\n continue;\n }\n\n scopeMethods[methodName] = octokit.request.defaults(endpointDefaults);\n }\n }\n\n return newMethods;\n}\n\nfunction decorate(octokit, scope, methodName, defaults, decorations) {\n const requestWithDefaults = octokit.request.defaults(defaults);\n /* istanbul ignore next */\n\n function withDecorations(...args) {\n // @ts-ignore https://github.com/microsoft/TypeScript/issues/25488\n let options = requestWithDefaults.endpoint.merge(...args); // There are currently no other decorations than `.mapToData`\n\n if (decorations.mapToData) {\n options = Object.assign({}, options, {\n data: options[decorations.mapToData],\n [decorations.mapToData]: undefined\n });\n return requestWithDefaults(options);\n }\n\n if (decorations.renamed) {\n const [newScope, newMethodName] = decorations.renamed;\n octokit.log.warn(`octokit.${scope}.${methodName}() has been renamed to octokit.${newScope}.${newMethodName}()`);\n }\n\n if (decorations.deprecated) {\n octokit.log.warn(decorations.deprecated);\n }\n\n if (decorations.renamedParameters) {\n // @ts-ignore https://github.com/microsoft/TypeScript/issues/25488\n const options = requestWithDefaults.endpoint.merge(...args);\n\n for (const [name, alias] of Object.entries(decorations.renamedParameters)) {\n if (name in options) {\n octokit.log.warn(`\"${name}\" parameter is deprecated for \"octokit.${scope}.${methodName}()\". Use \"${alias}\" instead`);\n\n if (!(alias in options)) {\n options[alias] = options[name];\n }\n\n delete options[name];\n }\n }\n\n return requestWithDefaults(options);\n } // @ts-ignore https://github.com/microsoft/TypeScript/issues/25488\n\n\n return requestWithDefaults(...args);\n }\n\n return Object.assign(withDecorations, requestWithDefaults);\n}\n\n/**\n * This plugin is a 1:1 copy of internal @octokit/rest plugins. The primary\n * goal is to rebuild @octokit/rest on top of @octokit/core. Once that is\n * done, we will remove the registerEndpoints methods and return the methods\n * directly as with the other plugins. At that point we will also remove the\n * legacy workarounds and deprecations.\n *\n * See the plan at\n * https://github.com/octokit/plugin-rest-endpoint-methods.js/pull/1\n */\n\nfunction restEndpointMethods(octokit) {\n return endpointsToMethods(octokit, Endpoints);\n}\nrestEndpointMethods.VERSION = VERSION;\n\nexports.restEndpointMethods = restEndpointMethods;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nfunction _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }\n\nvar deprecation = require('deprecation');\nvar once = _interopDefault(require('once'));\n\nconst logOnce = once(deprecation => console.warn(deprecation));\n/**\n * Error with extra properties to help with debugging\n */\n\nclass RequestError extends Error {\n constructor(message, statusCode, options) {\n super(message); // Maintains proper stack trace (only available on V8)\n\n /* istanbul ignore next */\n\n if (Error.captureStackTrace) {\n Error.captureStackTrace(this, this.constructor);\n }\n\n this.name = \"HttpError\";\n this.status = statusCode;\n Object.defineProperty(this, \"code\", {\n get() {\n logOnce(new deprecation.Deprecation(\"[@octokit/request-error] `error.code` is deprecated, use `error.status`.\"));\n return statusCode;\n }\n\n });\n this.headers = options.headers || {}; // redact request credentials without mutating original request options\n\n const requestCopy = Object.assign({}, options.request);\n\n if (options.request.headers.authorization) {\n requestCopy.headers = Object.assign({}, options.request.headers, {\n authorization: options.request.headers.authorization.replace(/ .*$/, \" [REDACTED]\")\n });\n }\n\n requestCopy.url = requestCopy.url // client_id & client_secret can be passed as URL query parameters to increase rate limit\n // see https://developer.github.com/v3/#increasing-the-unauthenticated-rate-limit-for-oauth-applications\n .replace(/\\bclient_secret=\\w+/g, \"client_secret=[REDACTED]\") // OAuth tokens can be passed as URL query parameters, although it is not recommended\n // see https://developer.github.com/v3/#oauth2-token-sent-in-a-header\n .replace(/\\baccess_token=\\w+/g, \"access_token=[REDACTED]\");\n this.request = requestCopy;\n }\n\n}\n\nexports.RequestError = RequestError;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nfunction _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }\n\nvar endpoint = require('@octokit/endpoint');\nvar universalUserAgent = require('universal-user-agent');\nvar isPlainObject = require('is-plain-object');\nvar nodeFetch = _interopDefault(require('node-fetch'));\nvar requestError = require('@octokit/request-error');\n\nconst VERSION = \"5.4.12\";\n\nfunction getBufferResponse(response) {\n return response.arrayBuffer();\n}\n\nfunction fetchWrapper(requestOptions) {\n if (isPlainObject.isPlainObject(requestOptions.body) || Array.isArray(requestOptions.body)) {\n requestOptions.body = JSON.stringify(requestOptions.body);\n }\n\n let headers = {};\n let status;\n let url;\n const fetch = requestOptions.request && requestOptions.request.fetch || nodeFetch;\n return fetch(requestOptions.url, Object.assign({\n method: requestOptions.method,\n body: requestOptions.body,\n headers: requestOptions.headers,\n redirect: requestOptions.redirect\n }, requestOptions.request)).then(response => {\n url = response.url;\n status = response.status;\n\n for (const keyAndValue of response.headers) {\n headers[keyAndValue[0]] = keyAndValue[1];\n }\n\n if (status === 204 || status === 205) {\n return;\n } // GitHub API returns 200 for HEAD requests\n\n\n if (requestOptions.method === \"HEAD\") {\n if (status < 400) {\n return;\n }\n\n throw new requestError.RequestError(response.statusText, status, {\n headers,\n request: requestOptions\n });\n }\n\n if (status === 304) {\n throw new requestError.RequestError(\"Not modified\", status, {\n headers,\n request: requestOptions\n });\n }\n\n if (status >= 400) {\n return response.text().then(message => {\n const error = new requestError.RequestError(message, status, {\n headers,\n request: requestOptions\n });\n\n try {\n let responseBody = JSON.parse(error.message);\n Object.assign(error, responseBody);\n let errors = responseBody.errors; // Assumption `errors` would always be in Array format\n\n error.message = error.message + \": \" + errors.map(JSON.stringify).join(\", \");\n } catch (e) {// ignore, see octokit/rest.js#684\n }\n\n throw error;\n });\n }\n\n const contentType = response.headers.get(\"content-type\");\n\n if (/application\\/json/.test(contentType)) {\n return response.json();\n }\n\n if (!contentType || /^text\\/|charset=utf-8$/.test(contentType)) {\n return response.text();\n }\n\n return getBufferResponse(response);\n }).then(data => {\n return {\n status,\n url,\n headers,\n data\n };\n }).catch(error => {\n if (error instanceof requestError.RequestError) {\n throw error;\n }\n\n throw new requestError.RequestError(error.message, 500, {\n headers,\n request: requestOptions\n });\n });\n}\n\nfunction withDefaults(oldEndpoint, newDefaults) {\n const endpoint = oldEndpoint.defaults(newDefaults);\n\n const newApi = function (route, parameters) {\n const endpointOptions = endpoint.merge(route, parameters);\n\n if (!endpointOptions.request || !endpointOptions.request.hook) {\n return fetchWrapper(endpoint.parse(endpointOptions));\n }\n\n const request = (route, parameters) => {\n return fetchWrapper(endpoint.parse(endpoint.merge(route, parameters)));\n };\n\n Object.assign(request, {\n endpoint,\n defaults: withDefaults.bind(null, endpoint)\n });\n return endpointOptions.request.hook(request, endpointOptions);\n };\n\n return Object.assign(newApi, {\n endpoint,\n defaults: withDefaults.bind(null, endpoint)\n });\n}\n\nconst request = withDefaults(endpoint.endpoint, {\n headers: {\n \"user-agent\": `octokit-request.js/${VERSION} ${universalUserAgent.getUserAgent()}`\n }\n});\n\nexports.request = request;\n//# sourceMappingURL=index.js.map\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\n/*!\n * is-plain-object \n *\n * Copyright (c) 2014-2017, Jon Schlinkert.\n * Released under the MIT License.\n */\n\nfunction isObject(o) {\n return Object.prototype.toString.call(o) === '[object Object]';\n}\n\nfunction isPlainObject(o) {\n var ctor,prot;\n\n if (isObject(o) === false) return false;\n\n // If has modified constructor\n ctor = o.constructor;\n if (ctor === undefined) return true;\n\n // If has modified prototype\n prot = ctor.prototype;\n if (isObject(prot) === false) return false;\n\n // If constructor does not have an Object-specific method\n if (prot.hasOwnProperty('isPrototypeOf') === false) {\n return false;\n }\n\n // Most likely a plain Object\n return true;\n}\n\nexports.isPlainObject = isPlainObject;\n","'use strict';\nmodule.exports = balanced;\nfunction balanced(a, b, str) {\n if (a instanceof RegExp) a = maybeMatch(a, str);\n if (b instanceof RegExp) b = maybeMatch(b, str);\n\n var r = range(a, b, str);\n\n return r && {\n start: r[0],\n end: r[1],\n pre: str.slice(0, r[0]),\n body: str.slice(r[0] + a.length, r[1]),\n post: str.slice(r[1] + b.length)\n };\n}\n\nfunction maybeMatch(reg, str) {\n var m = str.match(reg);\n return m ? m[0] : null;\n}\n\nbalanced.range = range;\nfunction range(a, b, str) {\n var begs, beg, left, right, result;\n var ai = str.indexOf(a);\n var bi = str.indexOf(b, ai + 1);\n var i = ai;\n\n if (ai >= 0 && bi > 0) {\n begs = [];\n left = str.length;\n\n while (i >= 0 && !result) {\n if (i == ai) {\n begs.push(i);\n ai = str.indexOf(a, i + 1);\n } else if (begs.length == 1) {\n result = [ begs.pop(), bi ];\n } else {\n beg = begs.pop();\n if (beg < left) {\n left = beg;\n right = bi;\n }\n\n bi = str.indexOf(b, i + 1);\n }\n\n i = ai < bi && ai >= 0 ? ai : bi;\n }\n\n if (begs.length) {\n result = [ left, right ];\n }\n }\n\n return result;\n}\n","var register = require('./lib/register')\nvar addHook = require('./lib/add')\nvar removeHook = require('./lib/remove')\n\n// bind with array of arguments: https://stackoverflow.com/a/21792913\nvar bind = Function.bind\nvar bindable = bind.bind(bind)\n\nfunction bindApi (hook, state, name) {\n var removeHookRef = bindable(removeHook, null).apply(null, name ? [state, name] : [state])\n hook.api = { remove: removeHookRef }\n hook.remove = removeHookRef\n\n ;['before', 'error', 'after', 'wrap'].forEach(function (kind) {\n var args = name ? [state, kind, name] : [state, kind]\n hook[kind] = hook.api[kind] = bindable(addHook, null).apply(null, args)\n })\n}\n\nfunction HookSingular () {\n var singularHookName = 'h'\n var singularHookState = {\n registry: {}\n }\n var singularHook = register.bind(null, singularHookState, singularHookName)\n bindApi(singularHook, singularHookState, singularHookName)\n return singularHook\n}\n\nfunction HookCollection () {\n var state = {\n registry: {}\n }\n\n var hook = register.bind(null, state)\n bindApi(hook, state)\n\n return hook\n}\n\nvar collectionHookDeprecationMessageDisplayed = false\nfunction Hook () {\n if (!collectionHookDeprecationMessageDisplayed) {\n console.warn('[before-after-hook]: \"Hook()\" repurposing warning, use \"Hook.Collection()\". Read more: https://git.io/upgrade-before-after-hook-to-1.4')\n collectionHookDeprecationMessageDisplayed = true\n }\n return HookCollection()\n}\n\nHook.Singular = HookSingular.bind()\nHook.Collection = HookCollection.bind()\n\nmodule.exports = Hook\n// expose constructors as a named property for TypeScript\nmodule.exports.Hook = Hook\nmodule.exports.Singular = Hook.Singular\nmodule.exports.Collection = Hook.Collection\n","module.exports = addHook\n\nfunction addHook (state, kind, name, hook) {\n var orig = hook\n if (!state.registry[name]) {\n state.registry[name] = []\n }\n\n if (kind === 'before') {\n hook = function (method, options) {\n return Promise.resolve()\n .then(orig.bind(null, options))\n .then(method.bind(null, options))\n }\n }\n\n if (kind === 'after') {\n hook = function (method, options) {\n var result\n return Promise.resolve()\n .then(method.bind(null, options))\n .then(function (result_) {\n result = result_\n return orig(result, options)\n })\n .then(function () {\n return result\n })\n }\n }\n\n if (kind === 'error') {\n hook = function (method, options) {\n return Promise.resolve()\n .then(method.bind(null, options))\n .catch(function (error) {\n return orig(error, options)\n })\n }\n }\n\n state.registry[name].push({\n hook: hook,\n orig: orig\n })\n}\n","module.exports = register\n\nfunction register (state, name, method, options) {\n if (typeof method !== 'function') {\n throw new Error('method for before hook must be a function')\n }\n\n if (!options) {\n options = {}\n }\n\n if (Array.isArray(name)) {\n return name.reverse().reduce(function (callback, name) {\n return register.bind(null, state, name, callback, options)\n }, method)()\n }\n\n return Promise.resolve()\n .then(function () {\n if (!state.registry[name]) {\n return method(options)\n }\n\n return (state.registry[name]).reduce(function (method, registered) {\n return registered.hook.bind(null, method, options)\n }, method)()\n })\n}\n","module.exports = removeHook\n\nfunction removeHook (state, name, method) {\n if (!state.registry[name]) {\n return\n }\n\n var index = state.registry[name]\n .map(function (registered) { return registered.orig })\n .indexOf(method)\n\n if (index === -1) {\n return\n }\n\n state.registry[name].splice(index, 1)\n}\n","var concatMap = require('concat-map');\nvar balanced = require('balanced-match');\n\nmodule.exports = expandTop;\n\nvar escSlash = '\\0SLASH'+Math.random()+'\\0';\nvar escOpen = '\\0OPEN'+Math.random()+'\\0';\nvar escClose = '\\0CLOSE'+Math.random()+'\\0';\nvar escComma = '\\0COMMA'+Math.random()+'\\0';\nvar escPeriod = '\\0PERIOD'+Math.random()+'\\0';\n\nfunction numeric(str) {\n return parseInt(str, 10) == str\n ? parseInt(str, 10)\n : str.charCodeAt(0);\n}\n\nfunction escapeBraces(str) {\n return str.split('\\\\\\\\').join(escSlash)\n .split('\\\\{').join(escOpen)\n .split('\\\\}').join(escClose)\n .split('\\\\,').join(escComma)\n .split('\\\\.').join(escPeriod);\n}\n\nfunction unescapeBraces(str) {\n return str.split(escSlash).join('\\\\')\n .split(escOpen).join('{')\n .split(escClose).join('}')\n .split(escComma).join(',')\n .split(escPeriod).join('.');\n}\n\n\n// Basically just str.split(\",\"), but handling cases\n// where we have nested braced sections, which should be\n// treated as individual members, like {a,{b,c},d}\nfunction parseCommaParts(str) {\n if (!str)\n return [''];\n\n var parts = [];\n var m = balanced('{', '}', str);\n\n if (!m)\n return str.split(',');\n\n var pre = m.pre;\n var body = m.body;\n var post = m.post;\n var p = pre.split(',');\n\n p[p.length-1] += '{' + body + '}';\n var postParts = parseCommaParts(post);\n if (post.length) {\n p[p.length-1] += postParts.shift();\n p.push.apply(p, postParts);\n }\n\n parts.push.apply(parts, p);\n\n return parts;\n}\n\nfunction expandTop(str) {\n if (!str)\n return [];\n\n // I don't know why Bash 4.3 does this, but it does.\n // Anything starting with {} will have the first two bytes preserved\n // but *only* at the top level, so {},a}b will not expand to anything,\n // but a{},b}c will be expanded to [a}c,abc].\n // One could argue that this is a bug in Bash, but since the goal of\n // this module is to match Bash's rules, we escape a leading {}\n if (str.substr(0, 2) === '{}') {\n str = '\\\\{\\\\}' + str.substr(2);\n }\n\n return expand(escapeBraces(str), true).map(unescapeBraces);\n}\n\nfunction identity(e) {\n return e;\n}\n\nfunction embrace(str) {\n return '{' + str + '}';\n}\nfunction isPadded(el) {\n return /^-?0\\d/.test(el);\n}\n\nfunction lte(i, y) {\n return i <= y;\n}\nfunction gte(i, y) {\n return i >= y;\n}\n\nfunction expand(str, isTop) {\n var expansions = [];\n\n var m = balanced('{', '}', str);\n if (!m || /\\$$/.test(m.pre)) return [str];\n\n var isNumericSequence = /^-?\\d+\\.\\.-?\\d+(?:\\.\\.-?\\d+)?$/.test(m.body);\n var isAlphaSequence = /^[a-zA-Z]\\.\\.[a-zA-Z](?:\\.\\.-?\\d+)?$/.test(m.body);\n var isSequence = isNumericSequence || isAlphaSequence;\n var isOptions = m.body.indexOf(',') >= 0;\n if (!isSequence && !isOptions) {\n // {a},b}\n if (m.post.match(/,.*\\}/)) {\n str = m.pre + '{' + m.body + escClose + m.post;\n return expand(str);\n }\n return [str];\n }\n\n var n;\n if (isSequence) {\n n = m.body.split(/\\.\\./);\n } else {\n n = parseCommaParts(m.body);\n if (n.length === 1) {\n // x{{a,b}}y ==> x{a}y x{b}y\n n = expand(n[0], false).map(embrace);\n if (n.length === 1) {\n var post = m.post.length\n ? expand(m.post, false)\n : [''];\n return post.map(function(p) {\n return m.pre + n[0] + p;\n });\n }\n }\n }\n\n // at this point, n is the parts, and we know it's not a comma set\n // with a single entry.\n\n // no need to expand pre, since it is guaranteed to be free of brace-sets\n var pre = m.pre;\n var post = m.post.length\n ? expand(m.post, false)\n : [''];\n\n var N;\n\n if (isSequence) {\n var x = numeric(n[0]);\n var y = numeric(n[1]);\n var width = Math.max(n[0].length, n[1].length)\n var incr = n.length == 3\n ? Math.abs(numeric(n[2]))\n : 1;\n var test = lte;\n var reverse = y < x;\n if (reverse) {\n incr *= -1;\n test = gte;\n }\n var pad = n.some(isPadded);\n\n N = [];\n\n for (var i = x; test(i, y); i += incr) {\n var c;\n if (isAlphaSequence) {\n c = String.fromCharCode(i);\n if (c === '\\\\')\n c = '';\n } else {\n c = String(i);\n if (pad) {\n var need = width - c.length;\n if (need > 0) {\n var z = new Array(need + 1).join('0');\n if (i < 0)\n c = '-' + z + c.slice(1);\n else\n c = z + c;\n }\n }\n }\n N.push(c);\n }\n } else {\n N = concatMap(n, function(el) { return expand(el, false) });\n }\n\n for (var j = 0; j < N.length; j++) {\n for (var k = 0; k < post.length; k++) {\n var expansion = pre + N[j] + post[k];\n if (!isTop || isSequence || expansion)\n expansions.push(expansion);\n }\n }\n\n return expansions;\n}\n\n","module.exports = function (xs, fn) {\n var res = [];\n for (var i = 0; i < xs.length; i++) {\n var x = fn(xs[i], i);\n if (isArray(x)) res.push.apply(res, x);\n else res.push(x);\n }\n return res;\n};\n\nvar isArray = Array.isArray || function (xs) {\n return Object.prototype.toString.call(xs) === '[object Array]';\n};\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nclass Deprecation extends Error {\n constructor(message) {\n super(message); // Maintains proper stack trace (only available on V8)\n\n /* istanbul ignore next */\n\n if (Error.captureStackTrace) {\n Error.captureStackTrace(this, this.constructor);\n }\n\n this.name = 'Deprecation';\n }\n\n}\n\nexports.Deprecation = Deprecation;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.rotate = exports.intersperse = exports.prependToAll = exports.unzip = exports.zip = exports.zipWith = exports.sort = exports.lefts = exports.rights = exports.reverse = exports.modifyAt = exports.deleteAt = exports.updateAt = exports.insertAt = exports.copy = exports.findLastIndex = exports.findLastMap = exports.findLast = exports.findFirstMap = exports.findFirst = exports.findIndex = exports.dropLeftWhile = exports.dropRight = exports.dropLeft = exports.spanLeft = exports.takeLeftWhile = exports.takeRight = exports.takeLeft = exports.init = exports.tail = exports.last = exports.head = exports.snoc = exports.cons = exports.lookup = exports.isOutOfBound = exports.isNonEmpty = exports.isEmpty = exports.scanRight = exports.scanLeft = exports.foldRight = exports.foldLeft = exports.flatten = exports.replicate = exports.range = exports.makeBy = exports.getOrd = exports.getEq = exports.getMonoid = exports.getShow = void 0;\nexports.Applicative = exports.FunctorWithIndex = exports.Functor = exports.URI = exports.zero = exports.unfold = exports.wilt = exports.wither = exports.traverseWithIndex = exports.sequence = exports.traverse = exports.reduceRightWithIndex = exports.reduceRight = exports.reduceWithIndex = exports.reduce = exports.foldMapWithIndex = exports.foldMap = exports.duplicate = exports.extend = exports.filterWithIndex = exports.filterMapWithIndex = exports.alt = exports.altW = exports.partitionMapWithIndex = exports.partitionMap = exports.partitionWithIndex = exports.partition = exports.filterMap = exports.filter = exports.separate = exports.compact = exports.mapWithIndex = exports.chainFirst = exports.chainWithIndex = exports.chain = exports.apSecond = exports.apFirst = exports.ap = exports.map = exports.of = exports.difference = exports.intersection = exports.union = exports.comprehension = exports.chunksOf = exports.splitAt = exports.chop = exports.sortBy = exports.uniq = exports.elem = void 0;\nexports.apS = exports.bind = exports.bindTo = exports.Do = exports.some = exports.every = exports.empty = exports.unsafeDeleteAt = exports.unsafeUpdateAt = exports.unsafeInsertAt = exports.array = exports.Witherable = exports.TraversableWithIndex = exports.Traversable = exports.FoldableWithIndex = exports.Foldable = exports.FilterableWithIndex = exports.Filterable = exports.Compactable = exports.Extend = exports.Alternative = exports.Alt = exports.Unfoldable = exports.Monad = void 0;\nvar RA = __importStar(require(\"./ReadonlyArray\"));\n// -------------------------------------------------------------------------------------\n// model\n// -------------------------------------------------------------------------------------\n/* tslint:disable:readonly-array */\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.getShow = RA.getShow;\n/**\n * Returns a `Monoid` for `Array`\n *\n * @example\n * import { getMonoid } from 'fp-ts/Array'\n *\n * const M = getMonoid()\n * assert.deepStrictEqual(M.concat([1, 2], [3, 4]), [1, 2, 3, 4])\n *\n * @category instances\n * @since 2.0.0\n */\nexports.getMonoid = RA.getMonoid;\n/**\n * Derives an `Eq` over the `Array` of a given element type from the `Eq` of that type. The derived `Eq` defines two\n * arrays as equal if all elements of both arrays are compared equal pairwise with the given `E`. In case of arrays of\n * different lengths, the result is non equality.\n *\n * @example\n * import { eqString } from 'fp-ts/Eq'\n * import { getEq } from 'fp-ts/Array'\n *\n * const E = getEq(eqString)\n * assert.strictEqual(E.equals(['a', 'b'], ['a', 'b']), true)\n * assert.strictEqual(E.equals(['a'], []), false)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.getEq = RA.getEq;\n/**\n * Derives an `Ord` over the `Array` of a given element type from the `Ord` of that type. The ordering between two such\n * arrays is equal to: the first non equal comparison of each arrays elements taken pairwise in increasing order, in\n * case of equality over all the pairwise elements; the longest array is considered the greatest, if both arrays have\n * the same length, the result is equality.\n *\n * @example\n * import { getOrd } from 'fp-ts/Array'\n * import { ordString } from 'fp-ts/Ord'\n *\n * const O = getOrd(ordString)\n * assert.strictEqual(O.compare(['b'], ['a']), 1)\n * assert.strictEqual(O.compare(['a'], ['a']), 0)\n * assert.strictEqual(O.compare(['a'], ['b']), -1)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.getOrd = RA.getOrd;\n// -------------------------------------------------------------------------------------\n// constructors\n// -------------------------------------------------------------------------------------\n/**\n * Return a list of length `n` with element `i` initialized with `f(i)`\n *\n * @example\n * import { makeBy } from 'fp-ts/Array'\n *\n * const double = (n: number): number => n * 2\n * assert.deepStrictEqual(makeBy(5, double), [0, 2, 4, 6, 8])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.makeBy = RA.makeBy;\n/**\n * Create an array containing a range of integers, including both endpoints\n *\n * @example\n * import { range } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(range(1, 5), [1, 2, 3, 4, 5])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.range = RA.range;\n/**\n * Create an array containing a value repeated the specified number of times\n *\n * @example\n * import { replicate } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(replicate(3, 'a'), ['a', 'a', 'a'])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.replicate = RA.replicate;\n/**\n * Removes one level of nesting.\n *\n * Derivable from `Monad`.\n *\n * @example\n * import { flatten } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(flatten([[1], [2], [3]]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.flatten = RA.flatten;\n/**\n * Break an array into its first element and remaining elements\n *\n * @example\n * import { foldLeft } from 'fp-ts/Array'\n *\n * const len: (as: Array) => number = foldLeft(() => 0, (_, tail) => 1 + len(tail))\n * assert.strictEqual(len([1, 2, 3]), 3)\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.foldLeft = RA.foldLeft;\n/**\n * Break an array into its initial elements and the last element\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.foldRight = RA.foldRight;\n/**\n * Same as `reduce` but it carries over the intermediate steps\n *\n * @example\n * import { scanLeft } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(scanLeft(10, (b, a: number) => b - a)([1, 2, 3]), [10, 9, 7, 4])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.scanLeft = RA.scanLeft;\n/**\n * Fold an array from the right, keeping all intermediate results instead of only the final result\n *\n * @example\n * import { scanRight } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(scanRight(10, (a: number, b) => b - a)([1, 2, 3]), [4, 5, 7, 10])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.scanRight = RA.scanRight;\n/**\n * Test whether an array is empty\n *\n * @example\n * import { isEmpty } from 'fp-ts/Array'\n *\n * assert.strictEqual(isEmpty([]), true)\n *\n * @since 2.0.0\n */\nexports.isEmpty = RA.isEmpty;\n/**\n * Test whether an array is non empty narrowing down the type to `NonEmptyArray`\n *\n * @category guards\n * @since 2.0.0\n */\nexports.isNonEmpty = RA.isNonEmpty;\n/**\n * Test whether an array contains a particular index\n *\n * @since 2.0.0\n */\nexports.isOutOfBound = RA.isOutOfBound;\n// TODO: remove non-curried overloading in v3\n/**\n * This function provides a safe way to read a value at a particular index from an array\n *\n * @example\n * import { lookup } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2, 3], lookup(1)), some(2))\n * assert.deepStrictEqual(pipe([1, 2, 3], lookup(3)), none)\n *\n * @since 2.0.0\n */\nexports.lookup = RA.lookup;\n// TODO: remove non-curried overloading in v3\n/**\n * Attaches an element to the front of an array, creating a new non empty array\n *\n * @example\n * import { cons } from 'fp-ts/Array'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2, 3], cons(0)), [0, 1, 2, 3])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.cons = RA.cons;\n// TODO: curry in v3\n/**\n * Append an element to the end of an array, creating a new non empty array\n *\n * @example\n * import { snoc } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(snoc([1, 2, 3], 4), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.snoc = RA.snoc;\n/**\n * Get the first element in an array, or `None` if the array is empty\n *\n * @example\n * import { head } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(head([1, 2, 3]), some(1))\n * assert.deepStrictEqual(head([]), none)\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.head = RA.head;\n/**\n * Get the last element in an array, or `None` if the array is empty\n *\n * @example\n * import { last } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(last([1, 2, 3]), some(3))\n * assert.deepStrictEqual(last([]), none)\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.last = RA.last;\n/**\n * Get all but the first element of an array, creating a new array, or `None` if the array is empty\n *\n * @example\n * import { tail } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(tail([1, 2, 3]), some([2, 3]))\n * assert.deepStrictEqual(tail([]), none)\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.tail = RA.tail;\n/**\n * Get all but the last element of an array, creating a new array, or `None` if the array is empty\n *\n * @example\n * import { init } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(init([1, 2, 3]), some([1, 2]))\n * assert.deepStrictEqual(init([]), none)\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.init = RA.init;\n/**\n * Keep only a number of elements from the start of an array, creating a new array.\n * `n` must be a natural number\n *\n * @example\n * import { takeLeft } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(takeLeft(2)([1, 2, 3]), [1, 2])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.takeLeft = RA.takeLeft;\n/**\n * Keep only a number of elements from the end of an array, creating a new array.\n * `n` must be a natural number\n *\n * @example\n * import { takeRight } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(takeRight(2)([1, 2, 3, 4, 5]), [4, 5])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.takeRight = RA.takeRight;\nfunction takeLeftWhile(predicate) {\n return RA.takeLeftWhile(predicate);\n}\nexports.takeLeftWhile = takeLeftWhile;\nfunction spanLeft(predicate) {\n return RA.spanLeft(predicate);\n}\nexports.spanLeft = spanLeft;\n/* tslint:enable:readonly-keyword */\n/**\n * Drop a number of elements from the start of an array, creating a new array\n *\n * @example\n * import { dropLeft } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(dropLeft(2)([1, 2, 3]), [3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.dropLeft = RA.dropLeft;\n/**\n * Drop a number of elements from the end of an array, creating a new array\n *\n * @example\n * import { dropRight } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(dropRight(2)([1, 2, 3, 4, 5]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.dropRight = RA.dropRight;\n/**\n * Remove the longest initial subarray for which all element satisfy the specified predicate, creating a new array\n *\n * @example\n * import { dropLeftWhile } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(dropLeftWhile((n: number) => n % 2 === 1)([1, 3, 2, 4, 5]), [2, 4, 5])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.dropLeftWhile = RA.dropLeftWhile;\n/**\n * Find the first index for which a predicate holds\n *\n * @example\n * import { findIndex } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(findIndex((n: number) => n === 2)([1, 2, 3]), some(1))\n * assert.deepStrictEqual(findIndex((n: number) => n === 2)([]), none)\n *\n * @since 2.0.0\n */\nexports.findIndex = RA.findIndex;\nfunction findFirst(predicate) {\n return RA.findFirst(predicate);\n}\nexports.findFirst = findFirst;\n/**\n * Find the first element returned by an option based selector function\n *\n * @example\n * import { findFirstMap } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface Person {\n * name: string\n * age?: number\n * }\n *\n * const persons: Array = [{ name: 'John' }, { name: 'Mary', age: 45 }, { name: 'Joey', age: 28 }]\n *\n * // returns the name of the first person that has an age\n * assert.deepStrictEqual(findFirstMap((p: Person) => (p.age === undefined ? none : some(p.name)))(persons), some('Mary'))\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.findFirstMap = RA.findFirstMap;\nfunction findLast(predicate) {\n return RA.findLast(predicate);\n}\nexports.findLast = findLast;\n/**\n * Find the last element returned by an option based selector function\n *\n * @example\n * import { findLastMap } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface Person {\n * name: string\n * age?: number\n * }\n *\n * const persons: Array = [{ name: 'John' }, { name: 'Mary', age: 45 }, { name: 'Joey', age: 28 }]\n *\n * // returns the name of the last person that has an age\n * assert.deepStrictEqual(findLastMap((p: Person) => (p.age === undefined ? none : some(p.name)))(persons), some('Joey'))\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.findLastMap = RA.findLastMap;\n/**\n * Returns the index of the last element of the list which matches the predicate\n *\n * @example\n * import { findLastIndex } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface X {\n * a: number\n * b: number\n * }\n * const xs: Array = [{ a: 1, b: 0 }, { a: 1, b: 1 }]\n * assert.deepStrictEqual(findLastIndex((x: { a: number }) => x.a === 1)(xs), some(1))\n * assert.deepStrictEqual(findLastIndex((x: { a: number }) => x.a === 4)(xs), none)\n *\n *\n * @since 2.0.0\n */\nexports.findLastIndex = RA.findLastIndex;\n/**\n * @category combinators\n * @since 2.0.0\n */\nexports.copy = RA.toArray;\n/**\n * Insert an element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { insertAt } from 'fp-ts/Array'\n * import { some } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(insertAt(2, 5)([1, 2, 3, 4]), some([1, 2, 5, 3, 4]))\n *\n * @since 2.0.0\n */\nexports.insertAt = RA.insertAt;\n/**\n * Change the element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { updateAt } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(updateAt(1, 1)([1, 2, 3]), some([1, 1, 3]))\n * assert.deepStrictEqual(updateAt(1, 1)([]), none)\n *\n * @since 2.0.0\n */\nexports.updateAt = RA.updateAt;\n/**\n * Delete the element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { deleteAt } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(deleteAt(0)([1, 2, 3]), some([2, 3]))\n * assert.deepStrictEqual(deleteAt(1)([]), none)\n *\n * @since 2.0.0\n */\nexports.deleteAt = RA.deleteAt;\n/**\n * Apply a function to the element at the specified index, creating a new array, or returning `None` if the index is out\n * of bounds\n *\n * @example\n * import { modifyAt } from 'fp-ts/Array'\n * import { some, none } from 'fp-ts/Option'\n *\n * const double = (x: number): number => x * 2\n * assert.deepStrictEqual(modifyAt(1, double)([1, 2, 3]), some([1, 4, 3]))\n * assert.deepStrictEqual(modifyAt(1, double)([]), none)\n *\n * @since 2.0.0\n */\nexports.modifyAt = RA.modifyAt;\n/**\n * Reverse an array, creating a new array\n *\n * @example\n * import { reverse } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(reverse([1, 2, 3]), [3, 2, 1])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.reverse = RA.reverse;\n/**\n * Extracts from an array of `Either` all the `Right` elements. All the `Right` elements are extracted in order\n *\n * @example\n * import { rights } from 'fp-ts/Array'\n * import { right, left } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(rights([right(1), left('foo'), right(2)]), [1, 2])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.rights = RA.rights;\n/**\n * Extracts from an array of `Either` all the `Left` elements. All the `Left` elements are extracted in order\n *\n * @example\n * import { lefts } from 'fp-ts/Array'\n * import { left, right } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(lefts([right(1), left('foo'), right(2)]), ['foo'])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.lefts = RA.lefts;\n/**\n * Sort the elements of an array in increasing order, creating a new array\n *\n * @example\n * import { sort } from 'fp-ts/Array'\n * import { ordNumber } from 'fp-ts/Ord'\n *\n * assert.deepStrictEqual(sort(ordNumber)([3, 2, 1]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.sort = RA.sort;\n/**\n * Apply a function to pairs of elements at the same index in two arrays, collecting the results in a new array. If one\n * input array is short, excess elements of the longer array are discarded.\n *\n * @example\n * import { zipWith } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(zipWith([1, 2, 3], ['a', 'b', 'c', 'd'], (n, s) => s + n), ['a1', 'b2', 'c3'])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.zipWith = RA.zipWith;\n// TODO: remove non-curried overloading in v3\n/**\n * Takes two arrays and returns an array of corresponding pairs. If one input array is short, excess elements of the\n * longer array are discarded\n *\n * @example\n * import { zip } from 'fp-ts/Array'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2, 3], zip(['a', 'b', 'c', 'd'])), [[1, 'a'], [2, 'b'], [3, 'c']])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.zip = RA.zip;\n/**\n * The function is reverse of `zip`. Takes an array of pairs and return two corresponding arrays\n *\n * @example\n * import { unzip } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(unzip([[1, 'a'], [2, 'b'], [3, 'c']]), [[1, 2, 3], ['a', 'b', 'c']])\n *\n * @since 2.0.0\n */\nexports.unzip = RA.unzip;\n/**\n * Prepend an element to every member of an array\n *\n * @example\n * import { prependToAll } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(prependToAll(9)([1, 2, 3, 4]), [9, 1, 9, 2, 9, 3, 9, 4])\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.prependToAll = RA.prependToAll;\n/**\n * Places an element in between members of an array\n *\n * @example\n * import { intersperse } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(intersperse(9)([1, 2, 3, 4]), [1, 9, 2, 9, 3, 9, 4])\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.intersperse = RA.intersperse;\n/**\n * Rotate an array to the right by `n` steps\n *\n * @example\n * import { rotate } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(rotate(2)([1, 2, 3, 4, 5]), [4, 5, 1, 2, 3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.rotate = RA.rotate;\n// TODO: remove non-curried overloading in v3\n/**\n * Test if a value is a member of an array. Takes a `Eq` as a single\n * argument which returns the function to use to search for a value of type `A` in\n * an array of type `Array`.\n *\n * @example\n * import { elem } from 'fp-ts/Array'\n * import { eqNumber } from 'fp-ts/Eq'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(pipe([1, 2, 3], elem(eqNumber)(2)), true)\n * assert.strictEqual(pipe([1, 2, 3], elem(eqNumber)(0)), false)\n *\n * @since 2.0.0\n */\nexports.elem = RA.elem;\n/**\n * Remove duplicates from an array, keeping the first occurrence of an element.\n *\n * @example\n * import { uniq } from 'fp-ts/Array'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * assert.deepStrictEqual(uniq(eqNumber)([1, 2, 1]), [1, 2])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.uniq = RA.uniq;\n/**\n * Sort the elements of an array in increasing order, where elements are compared using first `ords[0]`, then `ords[1]`,\n * etc...\n *\n * @example\n * import { sortBy } from 'fp-ts/Array'\n * import { ord, ordString, ordNumber } from 'fp-ts/Ord'\n *\n * interface Person {\n * name: string\n * age: number\n * }\n * const byName = ord.contramap(ordString, (p: Person) => p.name)\n * const byAge = ord.contramap(ordNumber, (p: Person) => p.age)\n *\n * const sortByNameByAge = sortBy([byName, byAge])\n *\n * const persons = [{ name: 'a', age: 1 }, { name: 'b', age: 3 }, { name: 'c', age: 2 }, { name: 'b', age: 2 }]\n * assert.deepStrictEqual(sortByNameByAge(persons), [\n * { name: 'a', age: 1 },\n * { name: 'b', age: 2 },\n * { name: 'b', age: 3 },\n * { name: 'c', age: 2 }\n * ])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.sortBy = RA.sortBy;\n/**\n * A useful recursion pattern for processing an array to produce a new array, often used for \"chopping\" up the input\n * array. Typically chop is called with some function that will consume an initial prefix of the array and produce a\n * value and the rest of the array.\n *\n * @example\n * import { Eq, eqNumber } from 'fp-ts/Eq'\n * import { chop, spanLeft } from 'fp-ts/Array'\n *\n * const group = (S: Eq): ((as: Array) => Array>) => {\n * return chop(as => {\n * const { init, rest } = spanLeft((a: A) => S.equals(a, as[0]))(as)\n * return [init, rest]\n * })\n * }\n * assert.deepStrictEqual(group(eqNumber)([1, 1, 2, 3, 3, 4]), [[1, 1], [2], [3, 3], [4]])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.chop = RA.chop;\n/**\n * Splits an array into two pieces, the first piece has `n` elements.\n *\n * @example\n * import { splitAt } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(splitAt(2)([1, 2, 3, 4, 5]), [[1, 2], [3, 4, 5]])\n *\n * @since 2.0.0\n */\nexports.splitAt = RA.splitAt;\n/**\n * Splits an array into length-`n` pieces. The last piece will be shorter if `n` does not evenly divide the length of\n * the array. Note that `chunksOf(n)([])` is `[]`, not `[[]]`. This is intentional, and is consistent with a recursive\n * definition of `chunksOf`; it satisfies the property that\n *\n * ```ts\n * chunksOf(n)(xs).concat(chunksOf(n)(ys)) == chunksOf(n)(xs.concat(ys)))\n * ```\n *\n * whenever `n` evenly divides the length of `xs`.\n *\n * @example\n * import { chunksOf } from 'fp-ts/Array'\n *\n * assert.deepStrictEqual(chunksOf(2)([1, 2, 3, 4, 5]), [[1, 2], [3, 4], [5]])\n *\n * @since 2.0.0\n */\nexports.chunksOf = RA.chunksOf;\nfunction comprehension(input, f, g) {\n if (g === void 0) { g = function () { return true; }; }\n return RA.comprehension(input, f, g);\n}\nexports.comprehension = comprehension;\n// TODO: remove non-curried overloading in v3\n/**\n * Creates an array of unique values, in order, from all given arrays using a `Eq` for equality comparisons\n *\n * @example\n * import { union } from 'fp-ts/Array'\n * import { eqNumber } from 'fp-ts/Eq'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2], union(eqNumber)([2, 3])), [1, 2, 3])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.union = RA.union;\n// TODO: remove non-curried overloading in v3\n/**\n * Creates an array of unique values that are included in all given arrays using a `Eq` for equality\n * comparisons. The order and references of result values are determined by the first array.\n *\n * @example\n * import { intersection } from 'fp-ts/Array'\n * import { eqNumber } from 'fp-ts/Eq'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2], intersection(eqNumber)([2, 3])), [2])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.intersection = RA.intersection;\n// TODO: remove non-curried overloading in v3\n/**\n * Creates an array of array values not included in the other given array using a `Eq` for equality\n * comparisons. The order and references of result values are determined by the first array.\n *\n * @example\n * import { difference } from 'fp-ts/Array'\n * import { eqNumber } from 'fp-ts/Eq'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(pipe([1, 2], difference(eqNumber)([2, 3])), [1])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.difference = RA.difference;\n/**\n * Wrap a value into the type constructor.\n *\n * @category Applicative\n * @since 2.0.0\n */\nexports.of = RA.of;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = RA.Monad.map;\nvar ap_ = RA.Monad.ap;\nvar chain_ = RA.Monad.chain;\nvar mapWithIndex_ = RA.FunctorWithIndex.mapWithIndex;\nvar filter_ = RA.Filterable.filter;\nvar filterMap_ = RA.Filterable.filterMap;\nvar partition_ = RA.Filterable.partition;\nvar partitionMap_ = RA.Filterable.partitionMap;\nvar filterWithIndex_ = RA.FilterableWithIndex\n .filterWithIndex;\nvar filterMapWithIndex_ = RA.FilterableWithIndex\n .filterMapWithIndex;\nvar partitionWithIndex_ = RA.FilterableWithIndex\n .partitionWithIndex;\nvar partitionMapWithIndex_ = RA.FilterableWithIndex\n .partitionMapWithIndex;\nvar reduce_ = RA.Foldable.reduce;\nvar foldMap_ = RA.Foldable.foldMap;\nvar reduceRight_ = RA.Foldable.reduceRight;\nvar traverse_ = RA.Traversable.traverse;\nvar alt_ = RA.Alternative.alt;\nvar reduceWithIndex_ = RA.FoldableWithIndex.reduceWithIndex;\nvar foldMapWithIndex_ = RA.FoldableWithIndex.foldMapWithIndex;\nvar reduceRightWithIndex_ = RA.FoldableWithIndex.reduceRightWithIndex;\nvar traverseWithIndex_ = RA.TraversableWithIndex\n .traverseWithIndex;\nvar extend_ = RA.Extend.extend;\nvar wither_ = RA.Witherable.wither;\nvar wilt_ = RA.Witherable.wilt;\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.0.0\n */\nexports.map = RA.map;\n/**\n * Apply a function to an argument under a type constructor.\n *\n * @category Apply\n * @since 2.0.0\n */\nexports.ap = RA.ap;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.apFirst = RA.apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.apSecond = RA.apSecond;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.0.0\n */\nexports.chain = RA.chain;\n/**\n * @since 2.7.0\n */\nexports.chainWithIndex = RA.chainWithIndex;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.chainFirst = RA.chainFirst;\n/**\n * @category FunctorWithIndex\n * @since 2.0.0\n */\nexports.mapWithIndex = RA.mapWithIndex;\n/**\n * @category Compactable\n * @since 2.0.0\n */\nexports.compact = RA.compact;\n/**\n * @category Compactable\n * @since 2.0.0\n */\nexports.separate = RA.separate;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.filter = RA.filter;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.filterMap = RA.filterMap;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.partition = RA.partition;\n/**\n * @category FilterableWithIndex\n * @since 2.0.0\n */\nexports.partitionWithIndex = RA.partitionWithIndex;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.partitionMap = RA.partitionMap;\n/**\n * @category FilterableWithIndex\n * @since 2.0.0\n */\nexports.partitionMapWithIndex = RA.partitionMapWithIndex;\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nexports.altW = RA.altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * @category Alt\n * @since 2.0.0\n */\nexports.alt = RA.alt;\n/**\n * @category FilterableWithIndex\n * @since 2.0.0\n */\nexports.filterMapWithIndex = RA.filterMapWithIndex;\n/**\n * @category FilterableWithIndex\n * @since 2.0.0\n */\nexports.filterWithIndex = RA.filterWithIndex;\n/**\n * @category Extend\n * @since 2.0.0\n */\nexports.extend = RA.extend;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.duplicate = RA.duplicate;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.foldMap = RA.foldMap;\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.foldMapWithIndex = RA.foldMapWithIndex;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduce = RA.reduce;\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.reduceWithIndex = RA.reduceWithIndex;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduceRight = RA.reduceRight;\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.reduceRightWithIndex = RA.reduceRightWithIndex;\n/**\n * **for optimized and stack safe version check the data types `traverseArray` function**\n * @category Traversable\n * @since 2.6.3\n */\nexports.traverse = RA.traverse;\n/**\n * **for optimized and stack safe version check the data types `sequenceArray` function**\n * @category Traversable\n * @since 2.6.3\n */\nexports.sequence = RA.sequence;\n/**\n * **for optimized and stack safe version check the data types `traverseArrayWithIndex` function**\n * @category TraversableWithIndex\n * @since 2.6.3\n */\nexports.traverseWithIndex = RA.traverseWithIndex;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nexports.wither = RA.wither;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nexports.wilt = RA.wilt;\n/**\n * @category Unfoldable\n * @since 2.6.6\n */\nexports.unfold = RA.unfold;\n/**\n * @category Alternative\n * @since 2.7.0\n */\nexports.zero = RA.Alternative.zero;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Array';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Unfoldable = {\n URI: exports.URI,\n unfold: exports.unfold\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alternative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n alt: alt_,\n zero: exports.zero\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Extend = {\n URI: exports.URI,\n map: map_,\n extend: extend_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Compactable = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Filterable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FilterableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverse: traverse_,\n sequence: exports.sequence,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Witherable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n wither: wither_,\n wilt: wilt_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.array = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n mapWithIndex: mapWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n alt: alt_,\n zero: exports.zero,\n unfold: exports.unfold,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n extend: extend_,\n wither: wither_,\n wilt: wilt_\n};\n// -------------------------------------------------------------------------------------\n// unsafe\n// -------------------------------------------------------------------------------------\n/**\n * @category unsafe\n * @since 2.0.0\n */\nexports.unsafeInsertAt = RA.unsafeInsertAt;\n/**\n * @category unsafe\n * @since 2.0.0\n */\nexports.unsafeUpdateAt = RA.unsafeUpdateAt;\n/**\n * @category unsafe\n * @since 2.0.0\n */\nexports.unsafeDeleteAt = RA.unsafeDeleteAt;\n// -------------------------------------------------------------------------------------\n// utils\n// -------------------------------------------------------------------------------------\n/**\n * An empty array\n *\n * @since 2.0.0\n */\nexports.empty = [];\n/**\n * @since 2.9.0\n */\nexports.every = RA.every;\n/**\n * @since 2.9.0\n */\nexports.some = RA.some;\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nexports.bindTo = RA.bindTo;\n/**\n * @since 2.8.0\n */\nexports.bind = RA.bind;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nexports.apS = RA.apS;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.tailRec = void 0;\n/**\n * @since 2.0.0\n */\nfunction tailRec(a, f) {\n var v = f(a);\n while (v._tag === 'Left') {\n v = f(v.left);\n }\n return v.right;\n}\nexports.tailRec = tailRec;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getWitherable = exports.getFilterable = exports.getApplyMonoid = exports.getApplySemigroup = exports.getSemigroup = exports.getEq = exports.getShow = exports.URI = exports.throwError = exports.sequence = exports.traverse = exports.reduceRight = exports.foldMap = exports.reduce = exports.duplicate = exports.extend = exports.alt = exports.altW = exports.flatten = exports.chainFirst = exports.chainFirstW = exports.chain = exports.chainW = exports.of = exports.apSecond = exports.apFirst = exports.ap = exports.apW = exports.mapLeft = exports.bimap = exports.map = exports.filterOrElse = exports.filterOrElseW = exports.orElse = exports.swap = exports.chainNullableK = exports.fromNullableK = exports.getOrElse = exports.getOrElseW = exports.fold = exports.fromPredicate = exports.fromOption = exports.stringifyJSON = exports.parseJSON = exports.tryCatch = exports.fromNullable = exports.right = exports.left = exports.isRight = exports.isLeft = void 0;\nexports.sequenceArray = exports.traverseArray = exports.traverseArrayWithIndex = exports.apS = exports.apSW = exports.bind = exports.bindW = exports.bindTo = exports.Do = exports.exists = exports.elem = exports.toError = exports.either = exports.getValidationMonoid = exports.MonadThrow = exports.ChainRec = exports.Extend = exports.Alt = exports.Bifunctor = exports.Traversable = exports.Foldable = exports.Monad = exports.Applicative = exports.Functor = exports.getValidationSemigroup = exports.getValidation = exports.getAltValidation = exports.getApplicativeValidation = void 0;\nvar ChainRec_1 = require(\"./ChainRec\");\nvar function_1 = require(\"./function\");\n// -------------------------------------------------------------------------------------\n// guards\n// -------------------------------------------------------------------------------------\n/**\n * Returns `true` if the either is an instance of `Left`, `false` otherwise.\n *\n * @category guards\n * @since 2.0.0\n */\nvar isLeft = function (ma) { return ma._tag === 'Left'; };\nexports.isLeft = isLeft;\n/**\n * Returns `true` if the either is an instance of `Right`, `false` otherwise.\n *\n * @category guards\n * @since 2.0.0\n */\nvar isRight = function (ma) { return ma._tag === 'Right'; };\nexports.isRight = isRight;\n// -------------------------------------------------------------------------------------\n// constructors\n// -------------------------------------------------------------------------------------\n/**\n * Constructs a new `Either` holding a `Left` value. This usually represents a failure, due to the right-bias of this\n * structure.\n *\n * @category constructors\n * @since 2.0.0\n */\nvar left = function (e) { return ({ _tag: 'Left', left: e }); };\nexports.left = left;\n/**\n * Constructs a new `Either` holding a `Right` value. This usually represents a successful value due to the right bias\n * of this structure.\n *\n * @category constructors\n * @since 2.0.0\n */\nvar right = function (a) { return ({ _tag: 'Right', right: a }); };\nexports.right = right;\n// TODO: make lazy in v3\n/**\n * Takes a default and a nullable value, if the value is not nully, turn it into a `Right`, if the value is nully use\n * the provided default as a `Left`.\n *\n * @example\n * import { fromNullable, left, right } from 'fp-ts/Either'\n *\n * const parse = fromNullable('nully')\n *\n * assert.deepStrictEqual(parse(1), right(1))\n * assert.deepStrictEqual(parse(null), left('nully'))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction fromNullable(e) {\n return function (a) { return (a == null ? exports.left(e) : exports.right(a)); };\n}\nexports.fromNullable = fromNullable;\n// TODO: `onError => Lazy => Either` in v3\n/**\n * Constructs a new `Either` from a function that might throw.\n *\n * @example\n * import { Either, left, right, tryCatch } from 'fp-ts/Either'\n *\n * const unsafeHead = (as: Array): A => {\n * if (as.length > 0) {\n * return as[0]\n * } else {\n * throw new Error('empty array')\n * }\n * }\n *\n * const head = (as: Array): Either => {\n * return tryCatch(() => unsafeHead(as), e => (e instanceof Error ? e : new Error('unknown error')))\n * }\n *\n * assert.deepStrictEqual(head([]), left(new Error('empty array')))\n * assert.deepStrictEqual(head([1, 2, 3]), right(1))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction tryCatch(f, onError) {\n try {\n return exports.right(f());\n }\n catch (e) {\n return exports.left(onError(e));\n }\n}\nexports.tryCatch = tryCatch;\n// TODO curry in v3\n/**\n * Converts a JavaScript Object Notation (JSON) string into an object.\n *\n * @example\n * import { parseJSON, toError, right, left } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(parseJSON('{\"a\":1}', toError), right({ a: 1 }))\n * assert.deepStrictEqual(parseJSON('{\"a\":}', toError), left(new SyntaxError('Unexpected token } in JSON at position 5')))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction parseJSON(s, onError) {\n return tryCatch(function () { return JSON.parse(s); }, onError);\n}\nexports.parseJSON = parseJSON;\n// TODO curry in v3\n/**\n * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.\n *\n * @example\n * import * as E from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(E.stringifyJSON({ a: 1 }, E.toError), E.right('{\"a\":1}'))\n * const circular: any = { ref: null }\n * circular.ref = circular\n * assert.deepStrictEqual(\n * pipe(\n * E.stringifyJSON(circular, E.toError),\n * E.mapLeft(e => e.message.includes('Converting circular structure to JSON'))\n * ),\n * E.left(true)\n * )\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction stringifyJSON(u, onError) {\n return tryCatch(function () { return JSON.stringify(u); }, onError);\n}\nexports.stringifyJSON = stringifyJSON;\n/**\n * Derivable from `MonadThrow`.\n *\n * @example\n * import { fromOption, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n * import { none, some } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(\n * pipe(\n * some(1),\n * fromOption(() => 'error')\n * ),\n * right(1)\n * )\n * assert.deepStrictEqual(\n * pipe(\n * none,\n * fromOption(() => 'error')\n * ),\n * left('error')\n * )\n *\n * @category constructors\n * @since 2.0.0\n */\nvar fromOption = function (onNone) { return function (ma) {\n return ma._tag === 'None' ? exports.left(onNone()) : exports.right(ma.value);\n}; };\nexports.fromOption = fromOption;\n/**\n * Derivable from `MonadThrow`.\n *\n * @example\n * import { fromPredicate, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(\n * pipe(\n * 1,\n * fromPredicate(\n * (n) => n > 0,\n * () => 'error'\n * )\n * ),\n * right(1)\n * )\n * assert.deepStrictEqual(\n * pipe(\n * -1,\n * fromPredicate(\n * (n) => n > 0,\n * () => 'error'\n * )\n * ),\n * left('error')\n * )\n *\n * @category constructors\n * @since 2.0.0\n */\nvar fromPredicate = function (predicate, onFalse) { return function (a) { return (predicate(a) ? exports.right(a) : exports.left(onFalse(a))); }; };\nexports.fromPredicate = fromPredicate;\n// -------------------------------------------------------------------------------------\n// destructors\n// -------------------------------------------------------------------------------------\n/**\n * Takes two functions and an `Either` value, if the value is a `Left` the inner value is applied to the first function,\n * if the value is a `Right` the inner value is applied to the second function.\n *\n * @example\n * import { fold, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n *\n * function onLeft(errors: Array): string {\n * return `Errors: ${errors.join(', ')}`\n * }\n *\n * function onRight(value: number): string {\n * return `Ok: ${value}`\n * }\n *\n * assert.strictEqual(\n * pipe(\n * right(1),\n * fold(onLeft, onRight)\n * ),\n * 'Ok: 1'\n * )\n * assert.strictEqual(\n * pipe(\n * left(['error 1', 'error 2']),\n * fold(onLeft, onRight)\n * ),\n * 'Errors: error 1, error 2'\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nfunction fold(onLeft, onRight) {\n return function (ma) { return (exports.isLeft(ma) ? onLeft(ma.left) : onRight(ma.right)); };\n}\nexports.fold = fold;\n/**\n * Less strict version of [`getOrElse`](#getOrElse).\n *\n * @category destructors\n * @since 2.6.0\n */\nvar getOrElseW = function (onLeft) { return function (ma) {\n return exports.isLeft(ma) ? onLeft(ma.left) : ma.right;\n}; };\nexports.getOrElseW = getOrElseW;\n/**\n * Returns the wrapped value if it's a `Right` or a default value if is a `Left`.\n *\n * @example\n * import { getOrElse, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(\n * pipe(\n * right(1),\n * getOrElse(() => 0)\n * ),\n * 1\n * )\n * assert.deepStrictEqual(\n * pipe(\n * left('error'),\n * getOrElse(() => 0)\n * ),\n * 0\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.getOrElse = exports.getOrElseW;\n// -------------------------------------------------------------------------------------\n// combinators\n// -------------------------------------------------------------------------------------\n/**\n * @category combinators\n * @since 2.9.0\n */\nfunction fromNullableK(e) {\n var from = fromNullable(e);\n return function (f) { return function () {\n var a = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n a[_i] = arguments[_i];\n }\n return from(f.apply(void 0, a));\n }; };\n}\nexports.fromNullableK = fromNullableK;\n/**\n * @category combinators\n * @since 2.9.0\n */\nfunction chainNullableK(e) {\n var from = fromNullableK(e);\n return function (f) { return exports.chain(from(f)); };\n}\nexports.chainNullableK = chainNullableK;\n/**\n * Returns a `Right` if is a `Left` (and vice versa).\n *\n * @category combinators\n * @since 2.0.0\n */\nfunction swap(ma) {\n return exports.isLeft(ma) ? exports.right(ma.left) : exports.left(ma.right);\n}\nexports.swap = swap;\n/**\n * Useful for recovering from errors.\n *\n * @category combinators\n * @since 2.0.0\n */\nfunction orElse(onLeft) {\n return function (ma) { return (exports.isLeft(ma) ? onLeft(ma.left) : ma); };\n}\nexports.orElse = orElse;\n/**\n * Less strict version of [`filterOrElse`](#filterOrElse).\n *\n * @since 2.9.0\n */\nvar filterOrElseW = function (predicate, onFalse) {\n return exports.chainW(function (a) { return (predicate(a) ? exports.right(a) : exports.left(onFalse(a))); });\n};\nexports.filterOrElseW = filterOrElseW;\n/**\n * Derivable from `MonadThrow`.\n *\n * @example\n * import { filterOrElse, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(\n * pipe(\n * right(1),\n * filterOrElse(\n * (n) => n > 0,\n * () => 'error'\n * )\n * ),\n * right(1)\n * )\n * assert.deepStrictEqual(\n * pipe(\n * right(-1),\n * filterOrElse(\n * (n) => n > 0,\n * () => 'error'\n * )\n * ),\n * left('error')\n * )\n * assert.deepStrictEqual(\n * pipe(\n * left('a'),\n * filterOrElse(\n * (n) => n > 0,\n * () => 'error'\n * )\n * ),\n * left('a')\n * )\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.filterOrElse = exports.filterOrElseW;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = function (fa, f) { return function_1.pipe(fa, exports.map(f)); };\nvar ap_ = function (fab, fa) { return function_1.pipe(fab, exports.ap(fa)); };\n/* istanbul ignore next */\nvar chain_ = function (ma, f) { return function_1.pipe(ma, exports.chain(f)); };\n/* istanbul ignore next */\nvar reduce_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduce(b, f)); };\n/* istanbul ignore next */\nvar foldMap_ = function (M) { return function (fa, f) {\n var foldMapM = exports.foldMap(M);\n return function_1.pipe(fa, foldMapM(f));\n}; };\n/* istanbul ignore next */\nvar reduceRight_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduceRight(b, f)); };\nvar traverse_ = function (F) {\n var traverseF = exports.traverse(F);\n return function (ta, f) { return function_1.pipe(ta, traverseF(f)); };\n};\nvar bimap_ = function (fa, f, g) { return function_1.pipe(fa, exports.bimap(f, g)); };\nvar mapLeft_ = function (fa, f) { return function_1.pipe(fa, exports.mapLeft(f)); };\n/* istanbul ignore next */\nvar alt_ = function (fa, that) { return function_1.pipe(fa, exports.alt(that)); };\n/* istanbul ignore next */\nvar extend_ = function (wa, f) { return function_1.pipe(wa, exports.extend(f)); };\nvar chainRec_ = function (a, f) {\n return ChainRec_1.tailRec(f(a), function (e) {\n return exports.isLeft(e) ? exports.right(exports.left(e.left)) : exports.isLeft(e.right) ? exports.left(f(e.right.left)) : exports.right(exports.right(e.right.right));\n });\n};\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.0.0\n */\nvar map = function (f) { return function (fa) {\n return exports.isLeft(fa) ? fa : exports.right(f(fa.right));\n}; };\nexports.map = map;\n/**\n * Map a pair of functions over the two type arguments of the bifunctor.\n *\n * @category Bifunctor\n * @since 2.0.0\n */\nvar bimap = function (f, g) { return function (fa) { return (exports.isLeft(fa) ? exports.left(f(fa.left)) : exports.right(g(fa.right))); }; };\nexports.bimap = bimap;\n/**\n * Map a function over the first type argument of a bifunctor.\n *\n * @category Bifunctor\n * @since 2.0.0\n */\nvar mapLeft = function (f) { return function (fa) {\n return exports.isLeft(fa) ? exports.left(f(fa.left)) : fa;\n}; };\nexports.mapLeft = mapLeft;\n/**\n * Less strict version of [`ap`](#ap).\n *\n * @category Apply\n * @since 2.8.0\n */\nvar apW = function (fa) { return function (fab) {\n return exports.isLeft(fab) ? fab : exports.isLeft(fa) ? fa : exports.right(fab.right(fa.right));\n}; };\nexports.apW = apW;\n/**\n * Apply a function to an argument under a type constructor.\n *\n * @category Apply\n * @since 2.0.0\n */\nexports.ap = exports.apW;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nvar apFirst = function (fb) {\n return function_1.flow(exports.map(function (a) { return function () { return a; }; }), exports.ap(fb));\n};\nexports.apFirst = apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nvar apSecond = function (fb) {\n return function_1.flow(exports.map(function () { return function (b) { return b; }; }), exports.ap(fb));\n};\nexports.apSecond = apSecond;\n/**\n * Wrap a value into the type constructor.\n *\n * Equivalent to [`right`](#right).\n *\n * @example\n * import * as E from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(E.of('a'), E.right('a'))\n *\n * @category Applicative\n * @since 2.7.0\n */\nexports.of = exports.right;\n/**\n * Less strict version of [`chain`](#chain).\n *\n * @category Monad\n * @since 2.6.0\n */\nvar chainW = function (f) { return function (ma) {\n return exports.isLeft(ma) ? ma : f(ma.right);\n}; };\nexports.chainW = chainW;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.0.0\n */\nexports.chain = exports.chainW;\n/**\n * Less strict version of [`chainFirst`](#chainFirst)\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.8.0\n */\nvar chainFirstW = function (f) { return function (ma) {\n return function_1.pipe(ma, exports.chainW(function (a) {\n return function_1.pipe(f(a), exports.map(function () { return a; }));\n }));\n}; };\nexports.chainFirstW = chainFirstW;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.chainFirst = exports.chainFirstW;\n/**\n * The `flatten` function is the conventional monad join operator. It is used to remove one level of monadic structure, projecting its bound argument into the outer level.\n *\n * Derivable from `Monad`.\n *\n * @example\n * import * as E from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(E.flatten(E.right(E.right('a'))), E.right('a'))\n * assert.deepStrictEqual(E.flatten(E.right(E.left('e'))), E.left('e'))\n * assert.deepStrictEqual(E.flatten(E.left('e')), E.left('e'))\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.flatten = \n/*#__PURE__*/\nexports.chain(function_1.identity);\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nvar altW = function (that) { return function (fa) { return (exports.isLeft(fa) ? that() : fa); }; };\nexports.altW = altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * @category Alt\n * @since 2.0.0\n */\nexports.alt = exports.altW;\n/**\n * @category Extend\n * @since 2.0.0\n */\nvar extend = function (f) { return function (wa) {\n return exports.isLeft(wa) ? wa : exports.right(f(wa));\n}; };\nexports.extend = extend;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.duplicate = \n/*#__PURE__*/\nexports.extend(function_1.identity);\n/**\n * Left-associative fold of a structure.\n *\n * @example\n * import { pipe } from 'fp-ts/function'\n * import * as E from 'fp-ts/Either'\n *\n * const startWith = 'prefix'\n * const concat = (a: string, b: string) => `${a}:${b}`\n *\n * assert.deepStrictEqual(\n * pipe(E.right('a'), E.reduce(startWith, concat)),\n * 'prefix:a',\n * )\n *\n * assert.deepStrictEqual(\n * pipe(E.left('e'), E.reduce(startWith, concat)),\n * 'prefix',\n * )\n *\n * @category Foldable\n * @since 2.0.0\n */\nvar reduce = function (b, f) { return function (fa) {\n return exports.isLeft(fa) ? b : f(b, fa.right);\n}; };\nexports.reduce = reduce;\n/**\n * Map each element of the structure to a monoid, and combine the results.\n *\n * @example\n * import { pipe } from 'fp-ts/function';\n * import * as E from 'fp-ts/Either'\n * import { monoidString } from 'fp-ts/Monoid'\n *\n * const yell = (a: string) => `${a}!`\n *\n * assert.deepStrictEqual(\n * pipe(E.right('a'), E.foldMap(monoidString)(yell)),\n * 'a!',\n * )\n *\n * assert.deepStrictEqual(\n * pipe(E.left('e'), E.foldMap(monoidString)(yell)),\n * monoidString.empty,\n * )\n *\n * @category Foldable\n * @since 2.0.0\n */\nvar foldMap = function (M) { return function (f) { return function (fa) {\n return exports.isLeft(fa) ? M.empty : f(fa.right);\n}; }; };\nexports.foldMap = foldMap;\n/**\n * Right-associative fold of a structure.\n *\n * @example\n * import { pipe } from 'fp-ts/function'\n * import * as E from 'fp-ts/Either'\n *\n * const startWith = 'postfix'\n * const concat = (a: string, b: string) => `${a}:${b}`\n *\n * assert.deepStrictEqual(\n * pipe(E.right('a'), E.reduceRight(startWith, concat)),\n * 'a:postfix',\n * )\n *\n * assert.deepStrictEqual(\n * pipe(E.left('e'), E.reduceRight(startWith, concat)),\n * 'postfix',\n * )\n *\n * @category Foldable\n * @since 2.0.0\n */\nvar reduceRight = function (b, f) { return function (fa) {\n return exports.isLeft(fa) ? b : f(fa.right, b);\n}; };\nexports.reduceRight = reduceRight;\n/**\n * Map each element of a structure to an action, evaluate these actions from left to right, and collect the results.\n *\n * @example\n * import { pipe } from 'fp-ts/function'\n * import * as A from 'fp-ts/Array'\n * import * as E from 'fp-ts/Either'\n * import * as O from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(\n * pipe(E.right(['a']), E.traverse(O.option)(A.head)),\n * O.some(E.right('a')),\n * )\n *\n * assert.deepStrictEqual(\n * pipe(E.right([]), E.traverse(O.option)(A.head)),\n * O.none,\n * )\n *\n * @category Traversable\n * @since 2.6.3\n */\nvar traverse = function (F) { return function (f) { return function (ta) { return (exports.isLeft(ta) ? F.of(exports.left(ta.left)) : F.map(f(ta.right), exports.right)); }; }; };\nexports.traverse = traverse;\n/**\n * Evaluate each monadic action in the structure from left to right, and collect the results.\n *\n * @example\n * import { pipe } from 'fp-ts/function'\n * import * as E from 'fp-ts/Either'\n * import * as O from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(\n * pipe(E.right(O.some('a')), E.sequence(O.option)),\n * O.some(E.right('a')),\n * )\n *\n * assert.deepStrictEqual(\n * pipe(E.right(O.none), E.sequence(O.option)),\n * O.none\n * )\n *\n * @category Traversable\n * @since 2.6.3\n */\nvar sequence = function (F) { return function (ma) {\n return exports.isLeft(ma) ? F.of(exports.left(ma.left)) : F.map(ma.right, exports.right);\n}; };\nexports.sequence = sequence;\n/**\n * @category MonadThrow\n * @since 2.6.3\n */\nexports.throwError = exports.left;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Either';\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getShow(SE, SA) {\n return {\n show: function (ma) { return (exports.isLeft(ma) ? \"left(\" + SE.show(ma.left) + \")\" : \"right(\" + SA.show(ma.right) + \")\"); }\n };\n}\nexports.getShow = getShow;\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getEq(EL, EA) {\n return {\n equals: function (x, y) {\n return x === y || (exports.isLeft(x) ? exports.isLeft(y) && EL.equals(x.left, y.left) : exports.isRight(y) && EA.equals(x.right, y.right));\n }\n };\n}\nexports.getEq = getEq;\n/**\n * Semigroup returning the left-most non-`Left` value. If both operands are `Right`s then the inner values are\n * concatenated using the provided `Semigroup`\n *\n * @example\n * import { getSemigroup, left, right } from 'fp-ts/Either'\n * import { semigroupSum } from 'fp-ts/Semigroup'\n *\n * const S = getSemigroup(semigroupSum)\n * assert.deepStrictEqual(S.concat(left('a'), left('b')), left('a'))\n * assert.deepStrictEqual(S.concat(left('a'), right(2)), right(2))\n * assert.deepStrictEqual(S.concat(right(1), left('b')), right(1))\n * assert.deepStrictEqual(S.concat(right(1), right(2)), right(3))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getSemigroup(S) {\n return {\n concat: function (x, y) { return (exports.isLeft(y) ? x : exports.isLeft(x) ? y : exports.right(S.concat(x.right, y.right))); }\n };\n}\nexports.getSemigroup = getSemigroup;\n/**\n * Semigroup returning the left-most `Left` value. If both operands are `Right`s then the inner values\n * are concatenated using the provided `Semigroup`\n *\n * @example\n * import { getApplySemigroup, left, right } from 'fp-ts/Either'\n * import { semigroupSum } from 'fp-ts/Semigroup'\n *\n * const S = getApplySemigroup(semigroupSum)\n * assert.deepStrictEqual(S.concat(left('a'), left('b')), left('a'))\n * assert.deepStrictEqual(S.concat(left('a'), right(2)), left('a'))\n * assert.deepStrictEqual(S.concat(right(1), left('b')), left('b'))\n * assert.deepStrictEqual(S.concat(right(1), right(2)), right(3))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getApplySemigroup(S) {\n return {\n concat: function (x, y) { return (exports.isLeft(x) ? x : exports.isLeft(y) ? y : exports.right(S.concat(x.right, y.right))); }\n };\n}\nexports.getApplySemigroup = getApplySemigroup;\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getApplyMonoid(M) {\n return {\n concat: getApplySemigroup(M).concat,\n empty: exports.right(M.empty)\n };\n}\nexports.getApplyMonoid = getApplyMonoid;\n/**\n * Builds a `Filterable` instance for `Either` given `Monoid` for the left side\n *\n * @category instances\n * @since 3.0.0\n */\nfunction getFilterable(M) {\n var empty = exports.left(M.empty);\n var compact = function (ma) {\n return exports.isLeft(ma) ? ma : ma.right._tag === 'None' ? empty : exports.right(ma.right.value);\n };\n var separate = function (ma) {\n return exports.isLeft(ma)\n ? { left: ma, right: ma }\n : exports.isLeft(ma.right)\n ? { left: exports.right(ma.right.left), right: empty }\n : { left: empty, right: exports.right(ma.right.right) };\n };\n var partitionMap = function (ma, f) {\n if (exports.isLeft(ma)) {\n return { left: ma, right: ma };\n }\n var e = f(ma.right);\n return exports.isLeft(e) ? { left: exports.right(e.left), right: empty } : { left: empty, right: exports.right(e.right) };\n };\n var partition = function (ma, p) {\n return exports.isLeft(ma)\n ? { left: ma, right: ma }\n : p(ma.right)\n ? { left: empty, right: exports.right(ma.right) }\n : { left: exports.right(ma.right), right: empty };\n };\n var filterMap = function (ma, f) {\n if (exports.isLeft(ma)) {\n return ma;\n }\n var ob = f(ma.right);\n return ob._tag === 'None' ? empty : exports.right(ob.value);\n };\n var filter = function (ma, predicate) {\n return exports.isLeft(ma) ? ma : predicate(ma.right) ? ma : empty;\n };\n return {\n URI: exports.URI,\n _E: undefined,\n map: map_,\n compact: compact,\n separate: separate,\n filter: filter,\n filterMap: filterMap,\n partition: partition,\n partitionMap: partitionMap\n };\n}\nexports.getFilterable = getFilterable;\n/**\n * Builds `Witherable` instance for `Either` given `Monoid` for the left side\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getWitherable(M) {\n var F_ = getFilterable(M);\n var wither = function (F) {\n var traverseF = traverse_(F);\n return function (ma, f) { return F.map(traverseF(ma, f), F_.compact); };\n };\n var wilt = function (F) {\n var traverseF = traverse_(F);\n return function (ma, f) { return F.map(traverseF(ma, f), F_.separate); };\n };\n return {\n URI: exports.URI,\n _E: undefined,\n map: map_,\n compact: F_.compact,\n separate: F_.separate,\n filter: F_.filter,\n filterMap: F_.filterMap,\n partition: F_.partition,\n partitionMap: F_.partitionMap,\n traverse: traverse_,\n sequence: exports.sequence,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n wither: wither,\n wilt: wilt\n };\n}\nexports.getWitherable = getWitherable;\n/**\n * @category instances\n * @since 2.7.0\n */\nfunction getApplicativeValidation(SE) {\n return {\n URI: exports.URI,\n _E: undefined,\n map: map_,\n ap: function (fab, fa) {\n return exports.isLeft(fab)\n ? exports.isLeft(fa)\n ? exports.left(SE.concat(fab.left, fa.left))\n : fab\n : exports.isLeft(fa)\n ? fa\n : exports.right(fab.right(fa.right));\n },\n of: exports.of\n };\n}\nexports.getApplicativeValidation = getApplicativeValidation;\n/**\n * @category instances\n * @since 2.7.0\n */\nfunction getAltValidation(SE) {\n return {\n URI: exports.URI,\n _E: undefined,\n map: map_,\n alt: function (me, that) {\n if (exports.isRight(me)) {\n return me;\n }\n var ea = that();\n return exports.isLeft(ea) ? exports.left(SE.concat(me.left, ea.left)) : ea;\n }\n };\n}\nexports.getAltValidation = getAltValidation;\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getValidation(SE) {\n var applicativeValidation = getApplicativeValidation(SE);\n var altValidation = getAltValidation(SE);\n return {\n URI: exports.URI,\n _E: undefined,\n map: map_,\n of: exports.of,\n chain: chain_,\n bimap: bimap_,\n mapLeft: mapLeft_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n extend: extend_,\n traverse: traverse_,\n sequence: exports.sequence,\n chainRec: chainRec_,\n throwError: exports.throwError,\n ap: applicativeValidation.ap,\n alt: altValidation.alt\n };\n}\nexports.getValidation = getValidation;\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getValidationSemigroup(SE, SA) {\n return {\n concat: function (x, y) {\n return exports.isLeft(x) ? (exports.isLeft(y) ? exports.left(SE.concat(x.left, y.left)) : x) : exports.isLeft(y) ? y : exports.right(SA.concat(x.right, y.right));\n }\n };\n}\nexports.getValidationSemigroup = getValidationSemigroup;\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Bifunctor = {\n URI: exports.URI,\n bimap: bimap_,\n mapLeft: mapLeft_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Extend = {\n URI: exports.URI,\n map: map_,\n extend: extend_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.ChainRec = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n chain: chain_,\n chainRec: chainRec_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.MonadThrow = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_,\n throwError: exports.throwError\n};\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getValidationMonoid(SE, SA) {\n return {\n concat: getValidationSemigroup(SE, SA).concat,\n empty: exports.right(SA.empty)\n };\n}\nexports.getValidationMonoid = getValidationMonoid;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.either = {\n URI: exports.URI,\n map: map_,\n of: exports.of,\n ap: ap_,\n chain: chain_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n bimap: bimap_,\n mapLeft: mapLeft_,\n alt: alt_,\n extend: extend_,\n chainRec: chainRec_,\n throwError: exports.throwError\n};\n// -------------------------------------------------------------------------------------\n// utils\n// -------------------------------------------------------------------------------------\n/**\n * Default value for the `onError` argument of `tryCatch`\n *\n * @since 2.0.0\n */\nfunction toError(e) {\n return e instanceof Error ? e : new Error(String(e));\n}\nexports.toError = toError;\n/**\n * @since 2.0.0\n */\nfunction elem(E) {\n return function (a, ma) { return (exports.isLeft(ma) ? false : E.equals(a, ma.right)); };\n}\nexports.elem = elem;\n/**\n * Returns `false` if `Left` or returns the result of the application of the given predicate to the `Right` value.\n *\n * @example\n * import { exists, left, right } from 'fp-ts/Either'\n *\n * const gt2 = exists((n: number) => n > 2)\n *\n * assert.strictEqual(gt2(left('a')), false)\n * assert.strictEqual(gt2(right(1)), false)\n * assert.strictEqual(gt2(right(3)), true)\n *\n * @since 2.0.0\n */\nfunction exists(predicate) {\n return function (ma) { return (exports.isLeft(ma) ? false : predicate(ma.right)); };\n}\nexports.exists = exists;\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nvar bindTo = function (name) {\n return exports.map(function_1.bindTo_(name));\n};\nexports.bindTo = bindTo;\n/**\n * @since 2.8.0\n */\nvar bindW = function (name, f) {\n return exports.chainW(function (a) {\n return function_1.pipe(f(a), exports.map(function (b) { return function_1.bind_(a, name, b); }));\n });\n};\nexports.bindW = bindW;\n/**\n * @since 2.8.0\n */\nexports.bind = exports.bindW;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nvar apSW = function (name, fb) {\n return function_1.flow(exports.map(function (a) { return function (b) { return function_1.bind_(a, name, b); }; }), exports.apW(fb));\n};\nexports.apSW = apSW;\n/**\n * @since 2.8.0\n */\nexports.apS = exports.apSW;\n// -------------------------------------------------------------------------------------\n// array utils\n// -------------------------------------------------------------------------------------\n/**\n *\n * @since 2.9.0\n */\nvar traverseArrayWithIndex = function (f) { return function (arr) {\n // tslint:disable-next-line: readonly-array\n var result = [];\n for (var i = 0; i < arr.length; i++) {\n var e = f(i, arr[i]);\n if (e._tag === 'Left') {\n return e;\n }\n result.push(e.right);\n }\n return exports.right(result);\n}; };\nexports.traverseArrayWithIndex = traverseArrayWithIndex;\n/**\n * map an array using provided function to Either then transform to Either of the array\n * this function have the same behavior of `A.traverse(E.either)` but it's optimized and perform better\n *\n * @example\n *\n *\n * import { traverseArray, left, right, fromPredicate } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n * import * as A from 'fp-ts/Array'\n *\n * const arr = A.range(0, 10)\n * assert.deepStrictEqual(\n * pipe(\n * arr,\n * traverseArray((x) => right(x))\n * ),\n * right(arr)\n * )\n * assert.deepStrictEqual(\n * pipe(\n * arr,\n * traverseArray(\n * fromPredicate(\n * (x) => x > 5,\n * () => 'a'\n * )\n * )\n * ),\n * left('a')\n * )\n * @since 2.9.0\n */\nvar traverseArray = function (f) { return exports.traverseArrayWithIndex(function (_, a) { return f(a); }); };\nexports.traverseArray = traverseArray;\n/**\n * convert an array of either to an either of array\n * this function have the same behavior of `A.sequence(E.either)` but it's optimized and perform better\n *\n * @example\n *\n * import { sequenceArray, left, right } from 'fp-ts/Either'\n * import { pipe } from 'fp-ts/function'\n * import * as A from 'fp-ts/Array'\n *\n * const arr = A.range(0, 10)\n * assert.deepStrictEqual(pipe(arr, A.map(right), sequenceArray), right(arr))\n * assert.deepStrictEqual(pipe(arr, A.map(right), A.cons(left('Error')), sequenceArray), left('Error'))\n *\n * @since 2.9.0\n */\nexports.sequenceArray = \n/*#__PURE__*/\nexports.traverseArray(function_1.identity);\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.eq = exports.Contravariant = exports.getMonoid = exports.eqDate = exports.getTupleEq = exports.getStructEq = exports.eqBoolean = exports.eqNumber = exports.eqString = exports.strictEqual = exports.eqStrict = exports.URI = exports.contramap = exports.fromEquals = void 0;\nvar function_1 = require(\"./function\");\n// -------------------------------------------------------------------------------------\n// constructors\n// -------------------------------------------------------------------------------------\n/**\n * @category constructors\n * @since 2.0.0\n */\nfunction fromEquals(equals) {\n return {\n equals: function (x, y) { return x === y || equals(x, y); }\n };\n}\nexports.fromEquals = fromEquals;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\n/* istanbul ignore next */\nvar contramap_ = function (fa, f) { return function_1.pipe(fa, exports.contramap(f)); };\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category Contravariant\n * @since 2.0.0\n */\nvar contramap = function (f) { return function (fa) {\n return fromEquals(function (x, y) { return fa.equals(f(x), f(y)); });\n}; };\nexports.contramap = contramap;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Eq';\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.eqStrict = {\n // tslint:disable-next-line: deprecation\n equals: strictEqual\n};\n/**\n * Use `eqStrict` instead\n *\n * @since 2.0.0\n * @deprecated\n */\nfunction strictEqual(a, b) {\n return a === b;\n}\nexports.strictEqual = strictEqual;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eqString = exports.eqStrict;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eqNumber = exports.eqStrict;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eqBoolean = exports.eqStrict;\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getStructEq(eqs) {\n return fromEquals(function (x, y) {\n for (var k in eqs) {\n if (!eqs[k].equals(x[k], y[k])) {\n return false;\n }\n }\n return true;\n });\n}\nexports.getStructEq = getStructEq;\n/**\n * Given a tuple of `Eq`s returns a `Eq` for the tuple\n *\n * @example\n * import { getTupleEq, eqString, eqNumber, eqBoolean } from 'fp-ts/Eq'\n *\n * const E = getTupleEq(eqString, eqNumber, eqBoolean)\n * assert.strictEqual(E.equals(['a', 1, true], ['a', 1, true]), true)\n * assert.strictEqual(E.equals(['a', 1, true], ['b', 1, true]), false)\n * assert.strictEqual(E.equals(['a', 1, true], ['a', 2, true]), false)\n * assert.strictEqual(E.equals(['a', 1, true], ['a', 1, false]), false)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getTupleEq() {\n var eqs = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n eqs[_i] = arguments[_i];\n }\n return fromEquals(function (x, y) { return eqs.every(function (E, i) { return E.equals(x[i], y[i]); }); });\n}\nexports.getTupleEq = getTupleEq;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eqDate = {\n equals: function (x, y) { return x.valueOf() === y.valueOf(); }\n};\nvar empty = {\n equals: function () { return true; }\n};\n/**\n * @category instances\n * @since 2.6.0\n */\nfunction getMonoid() {\n return {\n concat: function (x, y) { return fromEquals(function (a, b) { return x.equals(a, b) && y.equals(a, b); }); },\n empty: empty\n };\n}\nexports.getMonoid = getMonoid;\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Contravariant = {\n URI: exports.URI,\n contramap: contramap_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eq = exports.Contravariant;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reduceRight = exports.reduceWithIndex = exports.reduce = exports.mapWithIndex = exports.map = exports.flatten = exports.extend = exports.duplicate = exports.chainFirst = exports.chain = exports.apSecond = exports.apFirst = exports.ap = exports.alt = exports.altW = exports.foldMap = exports.foldMapWithIndex = exports.intersperse = exports.prependToAll = exports.unzip = exports.zip = exports.zipWith = exports.fold = exports.concat = exports.of = exports.filterWithIndex = exports.filter = exports.copy = exports.modifyAt = exports.updateAt = exports.insertAt = exports.sort = exports.init = exports.last = exports.groupBy = exports.groupSort = exports.group = exports.getEq = exports.getSemigroup = exports.max = exports.min = exports.reverse = exports.tail = exports.head = exports.getShow = exports.unsnoc = exports.uncons = exports.fromArray = exports.snoc = exports.cons = void 0;\nexports.apS = exports.bind = exports.bindTo = exports.Do = exports.nonEmptyArray = exports.Comonad = exports.Alt = exports.TraversableWithIndex = exports.Traversable = exports.FoldableWithIndex = exports.Foldable = exports.Monad = exports.Applicative = exports.FunctorWithIndex = exports.Functor = exports.URI = exports.extract = exports.traverseWithIndex = exports.sequence = exports.traverse = exports.reduceRightWithIndex = void 0;\nvar RNEA = __importStar(require(\"./ReadonlyNonEmptyArray\"));\n/* tslint:enable:readonly-keyword */\n/**\n * Append an element to the front of an array, creating a new non empty array\n *\n * @example\n * import { cons } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(cons(1, [2, 3, 4]), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.cons = RNEA.cons;\n/**\n * Append an element to the end of an array, creating a new non empty array\n *\n * @example\n * import { snoc } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(snoc([1, 2, 3], 4), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.snoc = RNEA.snoc;\n/**\n * Builds a `NonEmptyArray` from an `Array` returning `none` if `as` is an empty array\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.fromArray = RNEA.fromArray;\n/**\n * Produces a couple of the first element of the array, and a new array of the remaining elements, if any\n *\n * @example\n * import { cons, uncons } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(uncons(cons(1, [2, 3, 4])), [1, [2, 3, 4]])\n *\n * @category destructors\n * @since 2.9.0\n */\nexports.uncons = RNEA.uncons;\n/**\n * Produces a couple of a copy of the array without its last element, and that last element\n *\n * @example\n * import { snoc, unsnoc } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(unsnoc(snoc([1, 2, 3], 4)), [[1, 2, 3], 4])\n *\n * @category destructors\n * @since 2.9.0\n */\nexports.unsnoc = RNEA.unsnoc;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.getShow = RNEA.getShow;\n/**\n * @since 2.0.0\n */\nexports.head = RNEA.head;\n/**\n * @since 2.0.0\n */\nexports.tail = RNEA.tail;\n/**\n * @category combinators\n * @since 2.0.0\n */\nexports.reverse = RNEA.reverse;\n/**\n * @since 2.0.0\n */\nexports.min = RNEA.min;\n/**\n * @since 2.0.0\n */\nexports.max = RNEA.max;\n/**\n * Builds a `Semigroup` instance for `NonEmptyArray`\n *\n * @category instances\n * @since 2.0.0\n */\nexports.getSemigroup = RNEA.getSemigroup;\n/**\n * @example\n * import { getEq, cons } from 'fp-ts/NonEmptyArray'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * const E = getEq(eqNumber)\n * assert.strictEqual(E.equals(cons(1, [2]), [1, 2]), true)\n * assert.strictEqual(E.equals(cons(1, [2]), [1, 3]), false)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.getEq = RNEA.getEq;\nfunction group(E) {\n return RNEA.group(E);\n}\nexports.group = group;\n/**\n * Sort and then group the elements of an array into non empty arrays.\n *\n * @example\n * import { cons, groupSort } from 'fp-ts/NonEmptyArray'\n * import { ordNumber } from 'fp-ts/Ord'\n *\n * assert.deepStrictEqual(groupSort(ordNumber)([1, 2, 1, 1]), [cons(1, [1, 1]), cons(2, [])])\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.groupSort = RNEA.groupSort;\n/**\n * Splits an array into sub-non-empty-arrays stored in an object, based on the result of calling a `string`-returning\n * function on each element, and grouping the results according to values returned\n *\n * @example\n * import { cons, groupBy } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(groupBy((s: string) => String(s.length))(['foo', 'bar', 'foobar']), {\n * '3': cons('foo', ['bar']),\n * '6': cons('foobar', [])\n * })\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.groupBy = RNEA.groupBy;\n/**\n * @since 2.0.0\n */\nexports.last = RNEA.last;\n/**\n * Get all but the last element of a non empty array, creating a new array.\n *\n * @example\n * import { init } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(init([1, 2, 3]), [1, 2])\n * assert.deepStrictEqual(init([1]), [])\n *\n * @since 2.2.0\n */\nexports.init = RNEA.init;\n/**\n * @category combinators\n * @since 2.0.0\n */\nexports.sort = RNEA.sort;\n/**\n * @since 2.0.0\n */\nexports.insertAt = RNEA.insertAt;\n/**\n * @since 2.0.0\n */\nexports.updateAt = RNEA.updateAt;\n/**\n * @since 2.0.0\n */\nexports.modifyAt = RNEA.modifyAt;\n/**\n * @category combinators\n * @since 2.0.0\n */\nfunction copy(nea) {\n var l = nea.length;\n var as = Array(l);\n for (var i = 0; i < l; i++) {\n as[i] = nea[i];\n }\n return as;\n}\nexports.copy = copy;\nfunction filter(predicate) {\n return RNEA.filter(predicate);\n}\nexports.filter = filter;\n/**\n * @since 2.0.0\n */\nexports.filterWithIndex = RNEA.filterWithIndex;\n/**\n * Wrap a value into the type constructor.\n *\n * @category Applicative\n * @since 2.0.0\n */\nexports.of = RNEA.of;\nfunction concat(fx, fy) {\n return RNEA.concat(fx, fy);\n}\nexports.concat = concat;\n/**\n * @since 2.5.0\n */\nexports.fold = RNEA.fold;\n/**\n * @category combinators\n * @since 2.5.1\n */\nexports.zipWith = RNEA.zipWith;\n/**\n * @category combinators\n * @since 2.5.1\n */\nexports.zip = RNEA.zip;\n/**\n * @since 2.5.1\n */\nexports.unzip = RNEA.unzip;\n/**\n * Prepend an element to every member of an array\n *\n * @example\n * import { cons, prependToAll } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(prependToAll(9)(cons(1, [2, 3, 4])), cons(9, [1, 9, 2, 9, 3, 9, 4]))\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.prependToAll = RNEA.prependToAll;\n/**\n * Places an element in between members of an array\n *\n * @example\n * import { cons, intersperse } from 'fp-ts/NonEmptyArray'\n *\n * assert.deepStrictEqual(intersperse(9)(cons(1, [2, 3, 4])), cons(1, [9, 2, 9, 3, 9, 4]))\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.intersperse = RNEA.intersperse;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = RNEA.Functor.map;\nvar mapWithIndex_ = RNEA.FunctorWithIndex.mapWithIndex;\nvar ap_ = RNEA.Applicative.ap;\nvar chain_ = RNEA.Monad.chain;\nvar extend_ = RNEA.Comonad.extend;\nvar reduce_ = RNEA.Foldable.reduce;\nvar foldMap_ = RNEA.Foldable.foldMap;\nvar reduceRight_ = RNEA.Foldable.reduceRight;\nvar traverse_ = RNEA.Traversable.traverse;\nvar alt_ = RNEA.Alt.alt;\nvar reduceWithIndex_ = RNEA.FoldableWithIndex\n .reduceWithIndex;\nvar foldMapWithIndex_ = RNEA.FoldableWithIndex\n .foldMapWithIndex;\nvar reduceRightWithIndex_ = RNEA.FoldableWithIndex\n .reduceRightWithIndex;\nvar traverseWithIndex_ = RNEA.TraversableWithIndex\n .traverseWithIndex;\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.foldMapWithIndex = RNEA.foldMapWithIndex;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.foldMap = RNEA.foldMap;\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nexports.altW = RNEA.altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * @category Alt\n * @since 2.6.2\n */\nexports.alt = RNEA.alt;\n/**\n * Apply a function to an argument under a type constructor.\n *\n * @category Apply\n * @since 2.0.0\n */\nexports.ap = RNEA.ap;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.apFirst = RNEA.apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.apSecond = RNEA.apSecond;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.0.0\n */\nexports.chain = RNEA.chain;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.chainFirst = RNEA.chainFirst;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.duplicate = RNEA.duplicate;\n/**\n * @category Extend\n * @since 2.0.0\n */\nexports.extend = RNEA.extend;\n/**\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.flatten = RNEA.flatten;\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.0.0\n */\nexports.map = RNEA.map;\n/**\n * @category FunctorWithIndex\n * @since 2.0.0\n */\nexports.mapWithIndex = RNEA.mapWithIndex;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduce = RNEA.reduce;\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.reduceWithIndex = RNEA.reduceWithIndex;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduceRight = RNEA.reduceRight;\n/**\n * @category FoldableWithIndex\n * @since 2.0.0\n */\nexports.reduceRightWithIndex = RNEA.reduceRightWithIndex;\n/**\n * @since 2.6.3\n */\nexports.traverse = RNEA.traverse;\n/**\n * @since 2.6.3\n */\nexports.sequence = RNEA.sequence;\n/**\n * @since 2.6.3\n */\nexports.traverseWithIndex = RNEA.traverseWithIndex;\n/**\n * @since 2.7.0\n */\nexports.extract = exports.head;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'NonEmptyArray';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Comonad = {\n URI: exports.URI,\n map: map_,\n extend: extend_,\n extract: exports.extract\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.nonEmptyArray = {\n URI: exports.URI,\n of: exports.of,\n map: map_,\n mapWithIndex: mapWithIndex_,\n ap: ap_,\n chain: chain_,\n extend: extend_,\n extract: exports.extract,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n alt: alt_\n};\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nexports.bindTo = RNEA.bindTo;\n/**\n * @since 2.8.0\n */\nexports.bind = RNEA.bind;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nexports.apS = RNEA.apS;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getApplySemigroup = exports.getOrd = exports.getEq = exports.getShow = exports.URI = exports.wilt = exports.wither = exports.sequence = exports.traverse = exports.partitionMap = exports.partition = exports.filterMap = exports.filter = exports.separate = exports.compact = exports.reduceRight = exports.foldMap = exports.reduce = exports.duplicate = exports.extend = exports.throwError = exports.zero = exports.alt = exports.altW = exports.flatten = exports.chainFirst = exports.chain = exports.of = exports.apSecond = exports.apFirst = exports.ap = exports.map = exports.chainNullableK = exports.mapNullable = exports.fromNullableK = exports.getOrElse = exports.getOrElseW = exports.toUndefined = exports.toNullable = exports.fold = exports.fromEither = exports.getRight = exports.getLeft = exports.tryCatch = exports.fromPredicate = exports.fromNullable = exports.some = exports.none = exports.isNone = exports.isSome = void 0;\nexports.sequenceArray = exports.traverseArray = exports.traverseArrayWithIndex = exports.apS = exports.bind = exports.bindTo = exports.Do = exports.getRefinement = exports.exists = exports.elem = exports.option = exports.MonadThrow = exports.Witherable = exports.Traversable = exports.Filterable = exports.Compactable = exports.Extend = exports.Alternative = exports.Alt = exports.Foldable = exports.Monad = exports.Applicative = exports.Functor = exports.getMonoid = exports.getLastMonoid = exports.getFirstMonoid = exports.getApplyMonoid = void 0;\nvar function_1 = require(\"./function\");\n// -------------------------------------------------------------------------------------\n// guards\n// -------------------------------------------------------------------------------------\n/**\n * Returns `true` if the option is an instance of `Some`, `false` otherwise.\n *\n * @example\n * import { some, none, isSome } from 'fp-ts/Option'\n *\n * assert.strictEqual(isSome(some(1)), true)\n * assert.strictEqual(isSome(none), false)\n *\n * @category guards\n * @since 2.0.0\n */\nvar isSome = function (fa) { return fa._tag === 'Some'; };\nexports.isSome = isSome;\n/**\n * Returns `true` if the option is `None`, `false` otherwise.\n *\n * @example\n * import { some, none, isNone } from 'fp-ts/Option'\n *\n * assert.strictEqual(isNone(some(1)), false)\n * assert.strictEqual(isNone(none), true)\n *\n * @category guards\n * @since 2.0.0\n */\nvar isNone = function (fa) { return fa._tag === 'None'; };\nexports.isNone = isNone;\n// -------------------------------------------------------------------------------------\n// constructors\n// -------------------------------------------------------------------------------------\n/**\n * `None` doesn't have a constructor, instead you can use it directly as a value. Represents a missing value.\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.none = { _tag: 'None' };\n/**\n * Constructs a `Some`. Represents an optional value that exists.\n *\n * @category constructors\n * @since 2.0.0\n */\nvar some = function (a) { return ({ _tag: 'Some', value: a }); };\nexports.some = some;\n/**\n * Constructs a new `Option` from a nullable type. If the value is `null` or `undefined`, returns `None`, otherwise\n * returns the value wrapped in a `Some`.\n *\n * @example\n * import { none, some, fromNullable } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(fromNullable(undefined), none)\n * assert.deepStrictEqual(fromNullable(null), none)\n * assert.deepStrictEqual(fromNullable(1), some(1))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction fromNullable(a) {\n return a == null ? exports.none : exports.some(a);\n}\nexports.fromNullable = fromNullable;\nfunction fromPredicate(predicate) {\n return function (a) { return (predicate(a) ? exports.some(a) : exports.none); };\n}\nexports.fromPredicate = fromPredicate;\n/**\n * Transforms an exception into an `Option`. If `f` throws, returns `None`, otherwise returns the output wrapped in a\n * `Some`.\n *\n * @example\n * import { none, some, tryCatch } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(\n * tryCatch(() => {\n * throw new Error()\n * }),\n * none\n * )\n * assert.deepStrictEqual(tryCatch(() => 1), some(1))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction tryCatch(f) {\n try {\n return exports.some(f());\n }\n catch (e) {\n return exports.none;\n }\n}\nexports.tryCatch = tryCatch;\n/**\n * Returns the `Left` value of an `Either` if possible.\n *\n * @example\n * import { getLeft, none, some } from 'fp-ts/Option'\n * import { right, left } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(getLeft(right(1)), none)\n * assert.deepStrictEqual(getLeft(left('a')), some('a'))\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction getLeft(ma) {\n return ma._tag === 'Right' ? exports.none : exports.some(ma.left);\n}\nexports.getLeft = getLeft;\n/**\n * Returns the `Right` value of an `Either` if possible.\n *\n * @example\n * import { getRight, none, some } from 'fp-ts/Option'\n * import { right, left } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(getRight(right(1)), some(1))\n * assert.deepStrictEqual(getRight(left('a')), none)\n *\n * @category constructors\n * @since 2.0.0\n */\nfunction getRight(ma) {\n return ma._tag === 'Left' ? exports.none : exports.some(ma.right);\n}\nexports.getRight = getRight;\n/**\n * Transforms an `Either` to an `Option` discarding the error.\n *\n * Alias of [getRight](#getRight)\n *\n * Derivable from `MonadThrow`.\n *\n * @category constructors\n * @since 2.0.0\n */\nexports.fromEither = getRight;\n// -------------------------------------------------------------------------------------\n// destructors\n// -------------------------------------------------------------------------------------\n/**\n * Takes a (lazy) default value, a function, and an `Option` value, if the `Option` value is `None` the default value is\n * returned, otherwise the function is applied to the value inside the `Some` and the result is returned.\n *\n * @example\n * import { some, none, fold } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(\n * pipe(\n * some(1),\n * fold(() => 'a none', a => `a some containing ${a}`)\n * ),\n * 'a some containing 1'\n * )\n *\n * assert.strictEqual(\n * pipe(\n * none,\n * fold(() => 'a none', a => `a some containing ${a}`)\n * ),\n * 'a none'\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nfunction fold(onNone, onSome) {\n return function (ma) { return (exports.isNone(ma) ? onNone() : onSome(ma.value)); };\n}\nexports.fold = fold;\n/**\n * Extracts the value out of the structure, if it exists. Otherwise returns `null`.\n *\n * @example\n * import { some, none, toNullable } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(\n * pipe(\n * some(1),\n * toNullable\n * ),\n * 1\n * )\n * assert.strictEqual(\n * pipe(\n * none,\n * toNullable\n * ),\n * null\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nfunction toNullable(ma) {\n return exports.isNone(ma) ? null : ma.value;\n}\nexports.toNullable = toNullable;\n/**\n * Extracts the value out of the structure, if it exists. Otherwise returns `undefined`.\n *\n * @example\n * import { some, none, toUndefined } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(\n * pipe(\n * some(1),\n * toUndefined\n * ),\n * 1\n * )\n * assert.strictEqual(\n * pipe(\n * none,\n * toUndefined\n * ),\n * undefined\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nfunction toUndefined(ma) {\n return exports.isNone(ma) ? undefined : ma.value;\n}\nexports.toUndefined = toUndefined;\n/**\n * Less strict version of [`getOrElse`](#getOrElse).\n *\n * @category destructors\n * @since 2.6.0\n */\nvar getOrElseW = function (onNone) { return function (ma) { return (exports.isNone(ma) ? onNone() : ma.value); }; };\nexports.getOrElseW = getOrElseW;\n/**\n * Extracts the value out of the structure, if it exists. Otherwise returns the given default value\n *\n * @example\n * import { some, none, getOrElse } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(\n * pipe(\n * some(1),\n * getOrElse(() => 0)\n * ),\n * 1\n * )\n * assert.strictEqual(\n * pipe(\n * none,\n * getOrElse(() => 0)\n * ),\n * 0\n * )\n *\n * @category destructors\n * @since 2.0.0\n */\nexports.getOrElse = exports.getOrElseW;\n// -------------------------------------------------------------------------------------\n// combinators\n// -------------------------------------------------------------------------------------\n/**\n * Returns a *smart constructor* from a function that returns a nullable value.\n *\n * @example\n * import { fromNullableK, none, some } from 'fp-ts/Option'\n *\n * const f = (s: string): number | undefined => {\n * const n = parseFloat(s)\n * return isNaN(n) ? undefined : n\n * }\n *\n * const g = fromNullableK(f)\n *\n * assert.deepStrictEqual(g('1'), some(1))\n * assert.deepStrictEqual(g('a'), none)\n *\n * @category combinators\n * @since 2.9.0\n */\nfunction fromNullableK(f) {\n return function () {\n var a = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n a[_i] = arguments[_i];\n }\n return fromNullable(f.apply(void 0, a));\n };\n}\nexports.fromNullableK = fromNullableK;\n/**\n * @category combinators\n * @since 2.0.0\n * @deprecated\n */\nexports.mapNullable = chainNullableK;\n/**\n * This is `chain` + `fromNullable`, useful when working with optional values.\n *\n * @example\n * import { some, none, fromNullable, chainNullableK } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * interface Employee {\n * company?: {\n * address?: {\n * street?: {\n * name?: string\n * }\n * }\n * }\n * }\n *\n * const employee1: Employee = { company: { address: { street: { name: 'high street' } } } }\n *\n * assert.deepStrictEqual(\n * pipe(\n * fromNullable(employee1.company),\n * chainNullableK(company => company.address),\n * chainNullableK(address => address.street),\n * chainNullableK(street => street.name)\n * ),\n * some('high street')\n * )\n *\n * const employee2: Employee = { company: { address: { street: {} } } }\n *\n * assert.deepStrictEqual(\n * pipe(\n * fromNullable(employee2.company),\n * chainNullableK(company => company.address),\n * chainNullableK(address => address.street),\n * chainNullableK(street => street.name)\n * ),\n * none\n * )\n *\n * @category combinators\n * @since 2.9.0\n */\nfunction chainNullableK(f) {\n return function (ma) { return (exports.isNone(ma) ? exports.none : fromNullable(f(ma.value))); };\n}\nexports.chainNullableK = chainNullableK;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = function (fa, f) { return function_1.pipe(fa, exports.map(f)); };\nvar ap_ = function (fab, fa) { return function_1.pipe(fab, exports.ap(fa)); };\nvar chain_ = function (ma, f) { return function_1.pipe(ma, exports.chain(f)); };\nvar reduce_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduce(b, f)); };\nvar foldMap_ = function (M) {\n var foldMapM = exports.foldMap(M);\n return function (fa, f) { return function_1.pipe(fa, foldMapM(f)); };\n};\nvar reduceRight_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduceRight(b, f)); };\nvar traverse_ = function (F) {\n var traverseF = exports.traverse(F);\n return function (ta, f) { return function_1.pipe(ta, traverseF(f)); };\n};\n/* istanbul ignore next */\nvar alt_ = function (fa, that) { return function_1.pipe(fa, exports.alt(that)); };\nvar filter_ = function (fa, predicate) {\n return function_1.pipe(fa, exports.filter(predicate));\n};\n/* istanbul ignore next */\nvar filterMap_ = function (fa, f) { return function_1.pipe(fa, exports.filterMap(f)); };\n/* istanbul ignore next */\nvar extend_ = function (wa, f) { return function_1.pipe(wa, exports.extend(f)); };\n/* istanbul ignore next */\nvar partition_ = function (fa, predicate) { return function_1.pipe(fa, exports.partition(predicate)); };\n/* istanbul ignore next */\nvar partitionMap_ = function (fa, f) { return function_1.pipe(fa, exports.partitionMap(f)); };\n/* istanbul ignore next */\nvar wither_ = function (F) {\n var witherF = exports.wither(F);\n return function (fa, f) { return function_1.pipe(fa, witherF(f)); };\n};\n/* istanbul ignore next */\nvar wilt_ = function (F) {\n var wiltF = exports.wilt(F);\n return function (fa, f) { return function_1.pipe(fa, wiltF(f)); };\n};\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.0.0\n */\nvar map = function (f) { return function (fa) {\n return exports.isNone(fa) ? exports.none : exports.some(f(fa.value));\n}; };\nexports.map = map;\n/**\n * Apply a function to an argument under a type constructor.\n *\n * @category Apply\n * @since 2.0.0\n */\nvar ap = function (fa) { return function (fab) {\n return exports.isNone(fab) ? exports.none : exports.isNone(fa) ? exports.none : exports.some(fab.value(fa.value));\n}; };\nexports.ap = ap;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nvar apFirst = function (fb) {\n return function_1.flow(exports.map(function (a) { return function () { return a; }; }), exports.ap(fb));\n};\nexports.apFirst = apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.0.0\n */\nvar apSecond = function (fb) {\n return function_1.flow(exports.map(function () { return function (b) { return b; }; }), exports.ap(fb));\n};\nexports.apSecond = apSecond;\n/**\n * Wrap a value into the type constructor.\n *\n * @category Applicative\n * @since 2.7.0\n */\nexports.of = exports.some;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.0.0\n */\nvar chain = function (f) { return function (ma) {\n return exports.isNone(ma) ? exports.none : f(ma.value);\n}; };\nexports.chain = chain;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nvar chainFirst = function (f) {\n return exports.chain(function (a) {\n return function_1.pipe(f(a), exports.map(function () { return a; }));\n });\n};\nexports.chainFirst = chainFirst;\n/**\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.flatten = \n/*#__PURE__*/\nexports.chain(function_1.identity);\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nvar altW = function (that) { return function (fa) {\n return exports.isNone(fa) ? that() : fa;\n}; };\nexports.altW = altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * In case of `Option` returns the left-most non-`None` value.\n *\n * @example\n * import * as O from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.deepStrictEqual(\n * pipe(\n * O.some('a'),\n * O.alt(() => O.some('b'))\n * ),\n * O.some('a')\n * )\n * assert.deepStrictEqual(\n * pipe(\n * O.none,\n * O.alt(() => O.some('b'))\n * ),\n * O.some('b')\n * )\n *\n * @category Alt\n * @since 2.0.0\n */\nexports.alt = exports.altW;\n/**\n * @category Alternative\n * @since 2.7.0\n */\nvar zero = function () { return exports.none; };\nexports.zero = zero;\n/**\n * @category MonadThrow\n * @since 2.7.0\n */\nvar throwError = function () { return exports.none; };\nexports.throwError = throwError;\n/**\n * @category Extend\n * @since 2.0.0\n */\nvar extend = function (f) { return function (wa) {\n return exports.isNone(wa) ? exports.none : exports.some(f(wa));\n}; };\nexports.extend = extend;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.0.0\n */\nexports.duplicate = \n/*#__PURE__*/\nexports.extend(function_1.identity);\n/**\n * @category Foldable\n * @since 2.0.0\n */\nvar reduce = function (b, f) { return function (fa) {\n return exports.isNone(fa) ? b : f(b, fa.value);\n}; };\nexports.reduce = reduce;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nvar foldMap = function (M) { return function (f) { return function (fa) {\n return exports.isNone(fa) ? M.empty : f(fa.value);\n}; }; };\nexports.foldMap = foldMap;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nvar reduceRight = function (b, f) { return function (fa) {\n return exports.isNone(fa) ? b : f(fa.value, b);\n}; };\nexports.reduceRight = reduceRight;\n/**\n * @category Compactable\n * @since 2.0.0\n */\nexports.compact = exports.flatten;\nvar defaultSeparate = { left: exports.none, right: exports.none };\n/**\n * @category Compactable\n * @since 2.0.0\n */\nvar separate = function (ma) {\n var o = function_1.pipe(ma, exports.map(function (e) { return ({\n left: getLeft(e),\n right: getRight(e)\n }); }));\n return exports.isNone(o) ? defaultSeparate : o.value;\n};\nexports.separate = separate;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nvar filter = function (predicate) { return function (fa) { return (exports.isNone(fa) ? exports.none : predicate(fa.value) ? fa : exports.none); }; };\nexports.filter = filter;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nvar filterMap = function (f) { return function (fa) {\n return exports.isNone(fa) ? exports.none : f(fa.value);\n}; };\nexports.filterMap = filterMap;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nvar partition = function (predicate) { return function (fa) {\n return {\n left: filter_(fa, function (a) { return !predicate(a); }),\n right: filter_(fa, predicate)\n };\n}; };\nexports.partition = partition;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nvar partitionMap = function (f) { return function_1.flow(exports.map(f), exports.separate); };\nexports.partitionMap = partitionMap;\n/**\n * @category Traversable\n * @since 2.6.3\n */\nvar traverse = function (F) { return function (f) { return function (ta) { return (exports.isNone(ta) ? F.of(exports.none) : F.map(f(ta.value), exports.some)); }; }; };\nexports.traverse = traverse;\n/**\n * @category Traversable\n * @since 2.6.3\n */\nvar sequence = function (F) { return function (ta) { return (exports.isNone(ta) ? F.of(exports.none) : F.map(ta.value, exports.some)); }; };\nexports.sequence = sequence;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wither = function (F) { return function (f) { return function (fa) { return (exports.isNone(fa) ? F.of(exports.none) : f(fa.value)); }; }; };\nexports.wither = wither;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wilt = function (F) { return function (f) { return function (fa) {\n return exports.isNone(fa)\n ? F.of({\n left: exports.none,\n right: exports.none\n })\n : F.map(f(fa.value), function (e) { return ({\n left: getLeft(e),\n right: getRight(e)\n }); });\n}; }; };\nexports.wilt = wilt;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Option';\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getShow(S) {\n return {\n show: function (ma) { return (exports.isNone(ma) ? 'none' : \"some(\" + S.show(ma.value) + \")\"); }\n };\n}\nexports.getShow = getShow;\n/**\n * @example\n * import { none, some, getEq } from 'fp-ts/Option'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * const E = getEq(eqNumber)\n * assert.strictEqual(E.equals(none, none), true)\n * assert.strictEqual(E.equals(none, some(1)), false)\n * assert.strictEqual(E.equals(some(1), none), false)\n * assert.strictEqual(E.equals(some(1), some(2)), false)\n * assert.strictEqual(E.equals(some(1), some(1)), true)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getEq(E) {\n return {\n equals: function (x, y) { return x === y || (exports.isNone(x) ? exports.isNone(y) : exports.isNone(y) ? false : E.equals(x.value, y.value)); }\n };\n}\nexports.getEq = getEq;\n/**\n * The `Ord` instance allows `Option` values to be compared with\n * `compare`, whenever there is an `Ord` instance for\n * the type the `Option` contains.\n *\n * `None` is considered to be less than any `Some` value.\n *\n *\n * @example\n * import { none, some, getOrd } from 'fp-ts/Option'\n * import { ordNumber } from 'fp-ts/Ord'\n *\n * const O = getOrd(ordNumber)\n * assert.strictEqual(O.compare(none, none), 0)\n * assert.strictEqual(O.compare(none, some(1)), -1)\n * assert.strictEqual(O.compare(some(1), none), 1)\n * assert.strictEqual(O.compare(some(1), some(2)), -1)\n * assert.strictEqual(O.compare(some(1), some(1)), 0)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getOrd(O) {\n return {\n equals: getEq(O).equals,\n compare: function (x, y) { return (x === y ? 0 : exports.isSome(x) ? (exports.isSome(y) ? O.compare(x.value, y.value) : 1) : -1); }\n };\n}\nexports.getOrd = getOrd;\n/**\n * `Apply` semigroup\n *\n * | x | y | concat(x, y) |\n * | ------- | ------- | ------------------ |\n * | none | none | none |\n * | some(a) | none | none |\n * | none | some(a) | none |\n * | some(a) | some(b) | some(concat(a, b)) |\n *\n * @example\n * import { getApplySemigroup, some, none } from 'fp-ts/Option'\n * import { semigroupSum } from 'fp-ts/Semigroup'\n *\n * const S = getApplySemigroup(semigroupSum)\n * assert.deepStrictEqual(S.concat(none, none), none)\n * assert.deepStrictEqual(S.concat(some(1), none), none)\n * assert.deepStrictEqual(S.concat(none, some(1)), none)\n * assert.deepStrictEqual(S.concat(some(1), some(2)), some(3))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getApplySemigroup(S) {\n return {\n concat: function (x, y) { return (exports.isSome(x) && exports.isSome(y) ? exports.some(S.concat(x.value, y.value)) : exports.none); }\n };\n}\nexports.getApplySemigroup = getApplySemigroup;\n/**\n * @category instances\n * @since 2.0.0\n */\nfunction getApplyMonoid(M) {\n return {\n concat: getApplySemigroup(M).concat,\n empty: exports.some(M.empty)\n };\n}\nexports.getApplyMonoid = getApplyMonoid;\n/**\n * Monoid returning the left-most non-`None` value\n *\n * | x | y | concat(x, y) |\n * | ------- | ------- | ------------ |\n * | none | none | none |\n * | some(a) | none | some(a) |\n * | none | some(a) | some(a) |\n * | some(a) | some(b) | some(a) |\n *\n * @example\n * import { getFirstMonoid, some, none } from 'fp-ts/Option'\n *\n * const M = getFirstMonoid()\n * assert.deepStrictEqual(M.concat(none, none), none)\n * assert.deepStrictEqual(M.concat(some(1), none), some(1))\n * assert.deepStrictEqual(M.concat(none, some(1)), some(1))\n * assert.deepStrictEqual(M.concat(some(1), some(2)), some(1))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getFirstMonoid() {\n return {\n concat: function (x, y) { return (exports.isNone(x) ? y : x); },\n empty: exports.none\n };\n}\nexports.getFirstMonoid = getFirstMonoid;\n/**\n * Monoid returning the right-most non-`None` value\n *\n * | x | y | concat(x, y) |\n * | ------- | ------- | ------------ |\n * | none | none | none |\n * | some(a) | none | some(a) |\n * | none | some(a) | some(a) |\n * | some(a) | some(b) | some(b) |\n *\n * @example\n * import { getLastMonoid, some, none } from 'fp-ts/Option'\n *\n * const M = getLastMonoid()\n * assert.deepStrictEqual(M.concat(none, none), none)\n * assert.deepStrictEqual(M.concat(some(1), none), some(1))\n * assert.deepStrictEqual(M.concat(none, some(1)), some(1))\n * assert.deepStrictEqual(M.concat(some(1), some(2)), some(2))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getLastMonoid() {\n return {\n concat: function (x, y) { return (exports.isNone(y) ? x : y); },\n empty: exports.none\n };\n}\nexports.getLastMonoid = getLastMonoid;\n/**\n * Monoid returning the left-most non-`None` value. If both operands are `Some`s then the inner values are\n * concatenated using the provided `Semigroup`\n *\n * | x | y | concat(x, y) |\n * | ------- | ------- | ------------------ |\n * | none | none | none |\n * | some(a) | none | some(a) |\n * | none | some(a) | some(a) |\n * | some(a) | some(b) | some(concat(a, b)) |\n *\n * @example\n * import { getMonoid, some, none } from 'fp-ts/Option'\n * import { semigroupSum } from 'fp-ts/Semigroup'\n *\n * const M = getMonoid(semigroupSum)\n * assert.deepStrictEqual(M.concat(none, none), none)\n * assert.deepStrictEqual(M.concat(some(1), none), some(1))\n * assert.deepStrictEqual(M.concat(none, some(1)), some(1))\n * assert.deepStrictEqual(M.concat(some(1), some(2)), some(3))\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getMonoid(S) {\n return {\n concat: function (x, y) { return (exports.isNone(x) ? y : exports.isNone(y) ? x : exports.some(S.concat(x.value, y.value))); },\n empty: exports.none\n };\n}\nexports.getMonoid = getMonoid;\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alternative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n alt: alt_,\n zero: exports.zero\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Extend = {\n URI: exports.URI,\n map: map_,\n extend: extend_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Compactable = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Filterable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Witherable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n wither: wither_,\n wilt: wilt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.MonadThrow = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_,\n throwError: exports.throwError\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.option = {\n URI: exports.URI,\n map: map_,\n of: exports.of,\n ap: ap_,\n chain: chain_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n zero: exports.zero,\n alt: alt_,\n extend: extend_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n wither: wither_,\n wilt: wilt_,\n throwError: exports.throwError\n};\n// -------------------------------------------------------------------------------------\n// utils\n// -------------------------------------------------------------------------------------\n/**\n * Returns `true` if `ma` contains `a`\n *\n * @example\n * import { some, none, elem } from 'fp-ts/Option'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * assert.strictEqual(elem(eqNumber)(1, some(1)), true)\n * assert.strictEqual(elem(eqNumber)(2, some(1)), false)\n * assert.strictEqual(elem(eqNumber)(1, none), false)\n *\n * @since 2.0.0\n */\nfunction elem(E) {\n return function (a, ma) { return (exports.isNone(ma) ? false : E.equals(a, ma.value)); };\n}\nexports.elem = elem;\n/**\n * Returns `true` if the predicate is satisfied by the wrapped value\n *\n * @example\n * import { some, none, exists } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * assert.strictEqual(\n * pipe(\n * some(1),\n * exists(n => n > 0)\n * ),\n * true\n * )\n * assert.strictEqual(\n * pipe(\n * some(1),\n * exists(n => n > 1)\n * ),\n * false\n * )\n * assert.strictEqual(\n * pipe(\n * none,\n * exists(n => n > 0)\n * ),\n * false\n * )\n *\n * @since 2.0.0\n */\nfunction exists(predicate) {\n return function (ma) { return (exports.isNone(ma) ? false : predicate(ma.value)); };\n}\nexports.exists = exists;\n/**\n * Returns a `Refinement` (i.e. a custom type guard) from a `Option` returning function.\n * This function ensures that a custom type guard definition is type-safe.\n *\n * ```ts\n * import { some, none, getRefinement } from 'fp-ts/Option'\n *\n * type A = { type: 'A' }\n * type B = { type: 'B' }\n * type C = A | B\n *\n * const isA = (c: C): c is A => c.type === 'B' // <= typo but typescript doesn't complain\n * const isA = getRefinement(c => (c.type === 'B' ? some(c) : none)) // static error: Type '\"B\"' is not assignable to type '\"A\"'\n * ```\n *\n * @since 2.0.0\n */\nfunction getRefinement(getOption) {\n return function (a) { return exports.isSome(getOption(a)); };\n}\nexports.getRefinement = getRefinement;\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nvar bindTo = function (name) { return exports.map(function_1.bindTo_(name)); };\nexports.bindTo = bindTo;\n/**\n * @since 2.8.0\n */\nvar bind = function (name, f) {\n return exports.chain(function (a) {\n return function_1.pipe(f(a), exports.map(function (b) { return function_1.bind_(a, name, b); }));\n });\n};\nexports.bind = bind;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nvar apS = function (name, fb) {\n return function_1.flow(exports.map(function (a) { return function (b) { return function_1.bind_(a, name, b); }; }), exports.ap(fb));\n};\nexports.apS = apS;\n// -------------------------------------------------------------------------------------\n// array utils\n// -------------------------------------------------------------------------------------\n/**\n *\n * @since 2.9.0\n */\nvar traverseArrayWithIndex = function (f) { return function (arr) {\n // tslint:disable-next-line: readonly-array\n var result = [];\n for (var i = 0; i < arr.length; i++) {\n var b = f(i, arr[i]);\n if (exports.isNone(b)) {\n return exports.none;\n }\n result.push(b.value);\n }\n return exports.some(result);\n}; };\nexports.traverseArrayWithIndex = traverseArrayWithIndex;\n/**\n * Runs an action for every element in array and accumulates the results in option\n *\n * this function have the same behavior of `A.sequence(O.option)` but it's optimized and perform better\n *\n * @example\n *\n * import * as A from 'fp-ts/Array'\n * import { traverseArray, some, fromPredicate, none } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * const arr = A.range(0, 10)\n * assert.deepStrictEqual(pipe(arr, traverseArray(some)), some(arr))\n * assert.deepStrictEqual(pipe(arr, traverseArray(fromPredicate((x) => x > 5))), none)\n *\n * @since 2.9.0\n */\nvar traverseArray = function (f) { return exports.traverseArrayWithIndex(function (_, a) { return f(a); }); };\nexports.traverseArray = traverseArray;\n/**\n * get an array of option and convert it to option of array\n *\n * this function have the same behavior of `A.sequence(O.option)` but it's optimized and perform better\n *\n * @example\n *\n * import * as A from 'fp-ts/Array'\n * import { sequenceArray, some, none, fromPredicate } from 'fp-ts/Option'\n * import { pipe } from 'fp-ts/function'\n *\n * const arr = A.range(0, 10)\n * assert.deepStrictEqual(pipe(arr, A.map(some), sequenceArray), some(arr))\n * assert.deepStrictEqual(pipe(arr, A.map(fromPredicate(x => x > 8)), sequenceArray), none)\n *\n * @since 2.9.0\n */\nexports.sequenceArray = \n/*#__PURE__*/\nexports.traverseArray(function_1.identity);\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ord = exports.Contravariant = exports.ordDate = exports.URI = exports.contramap = exports.getDualOrd = exports.getTupleOrd = exports.getMonoid = exports.getSemigroup = exports.fromCompare = exports.between = exports.clamp = exports.max = exports.min = exports.geq = exports.leq = exports.gt = exports.lt = exports.ordBoolean = exports.ordNumber = exports.ordString = void 0;\nvar Ordering_1 = require(\"./Ordering\");\nvar function_1 = require(\"./function\");\n// default compare for primitive types\nfunction compare(x, y) {\n return x < y ? -1 : x > y ? 1 : 0;\n}\nfunction strictEqual(a, b) {\n return a === b;\n}\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.ordString = {\n equals: strictEqual,\n compare: compare\n};\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.ordNumber = {\n equals: strictEqual,\n compare: compare\n};\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.ordBoolean = {\n equals: strictEqual,\n compare: compare\n};\n// TODO: curry in v3\n/**\n * Test whether one value is _strictly less than_ another\n *\n * @since 2.0.0\n */\nfunction lt(O) {\n return function (x, y) { return O.compare(x, y) === -1; };\n}\nexports.lt = lt;\n// TODO: curry in v3\n/**\n * Test whether one value is _strictly greater than_ another\n *\n * @since 2.0.0\n */\nfunction gt(O) {\n return function (x, y) { return O.compare(x, y) === 1; };\n}\nexports.gt = gt;\n// TODO: curry in v3\n/**\n * Test whether one value is _non-strictly less than_ another\n *\n * @since 2.0.0\n */\nfunction leq(O) {\n return function (x, y) { return O.compare(x, y) !== 1; };\n}\nexports.leq = leq;\n// TODO: curry in v3\n/**\n * Test whether one value is _non-strictly greater than_ another\n *\n * @since 2.0.0\n */\nfunction geq(O) {\n return function (x, y) { return O.compare(x, y) !== -1; };\n}\nexports.geq = geq;\n// TODO: curry in v3\n/**\n * Take the minimum of two values. If they are considered equal, the first argument is chosen\n *\n * @since 2.0.0\n */\nfunction min(O) {\n return function (x, y) { return (O.compare(x, y) === 1 ? y : x); };\n}\nexports.min = min;\n// TODO: curry in v3\n/**\n * Take the maximum of two values. If they are considered equal, the first argument is chosen\n *\n * @since 2.0.0\n */\nfunction max(O) {\n return function (x, y) { return (O.compare(x, y) === -1 ? y : x); };\n}\nexports.max = max;\n/**\n * Clamp a value between a minimum and a maximum\n *\n * @since 2.0.0\n */\nfunction clamp(O) {\n var minO = min(O);\n var maxO = max(O);\n return function (low, hi) { return function (x) { return maxO(minO(x, hi), low); }; };\n}\nexports.clamp = clamp;\n/**\n * Test whether a value is between a minimum and a maximum (inclusive)\n *\n * @since 2.0.0\n */\nfunction between(O) {\n var lessThanO = lt(O);\n var greaterThanO = gt(O);\n return function (low, hi) { return function (x) { return (lessThanO(x, low) || greaterThanO(x, hi) ? false : true); }; };\n}\nexports.between = between;\n/**\n * @category constructors\n * @since 2.0.0\n */\nfunction fromCompare(compare) {\n var optimizedCompare = function (x, y) { return (x === y ? 0 : compare(x, y)); };\n return {\n equals: function (x, y) { return optimizedCompare(x, y) === 0; },\n compare: optimizedCompare\n };\n}\nexports.fromCompare = fromCompare;\n/**\n * Use `getMonoid` instead\n *\n * @category instances\n * @since 2.0.0\n * @deprecated\n */\nfunction getSemigroup() {\n return {\n concat: function (x, y) { return fromCompare(function (a, b) { return Ordering_1.monoidOrdering.concat(x.compare(a, b), y.compare(a, b)); }); }\n };\n}\nexports.getSemigroup = getSemigroup;\n/**\n * Returns a `Monoid` such that:\n *\n * - its `concat(ord1, ord2)` operation will order first by `ord1`, and then by `ord2`\n * - its `empty` value is an `Ord` that always considers compared elements equal\n *\n * @example\n * import { sort } from 'fp-ts/Array'\n * import { contramap, getDualOrd, getMonoid, ordBoolean, ordNumber, ordString } from 'fp-ts/Ord'\n * import { pipe } from 'fp-ts/function'\n * import { fold } from 'fp-ts/Monoid'\n *\n * interface User {\n * id: number\n * name: string\n * age: number\n * rememberMe: boolean\n * }\n *\n * const byName = pipe(\n * ordString,\n * contramap((p: User) => p.name)\n * )\n *\n * const byAge = pipe(\n * ordNumber,\n * contramap((p: User) => p.age)\n * )\n *\n * const byRememberMe = pipe(\n * ordBoolean,\n * contramap((p: User) => p.rememberMe)\n * )\n *\n * const M = getMonoid()\n *\n * const users: Array = [\n * { id: 1, name: 'Guido', age: 47, rememberMe: false },\n * { id: 2, name: 'Guido', age: 46, rememberMe: true },\n * { id: 3, name: 'Giulio', age: 44, rememberMe: false },\n * { id: 4, name: 'Giulio', age: 44, rememberMe: true }\n * ]\n *\n * // sort by name, then by age, then by `rememberMe`\n * const O1 = fold(M)([byName, byAge, byRememberMe])\n * assert.deepStrictEqual(sort(O1)(users), [\n * { id: 3, name: 'Giulio', age: 44, rememberMe: false },\n * { id: 4, name: 'Giulio', age: 44, rememberMe: true },\n * { id: 2, name: 'Guido', age: 46, rememberMe: true },\n * { id: 1, name: 'Guido', age: 47, rememberMe: false }\n * ])\n *\n * // now `rememberMe = true` first, then by name, then by age\n * const O2 = fold(M)([getDualOrd(byRememberMe), byName, byAge])\n * assert.deepStrictEqual(sort(O2)(users), [\n * { id: 4, name: 'Giulio', age: 44, rememberMe: true },\n * { id: 2, name: 'Guido', age: 46, rememberMe: true },\n * { id: 3, name: 'Giulio', age: 44, rememberMe: false },\n * { id: 1, name: 'Guido', age: 47, rememberMe: false }\n * ])\n *\n * @category instances\n * @since 2.4.0\n */\nfunction getMonoid() {\n return {\n // tslint:disable-next-line: deprecation\n concat: getSemigroup().concat,\n empty: fromCompare(function () { return 0; })\n };\n}\nexports.getMonoid = getMonoid;\n/**\n * Given a tuple of `Ord`s returns an `Ord` for the tuple\n *\n * @example\n * import { getTupleOrd, ordString, ordNumber, ordBoolean } from 'fp-ts/Ord'\n *\n * const O = getTupleOrd(ordString, ordNumber, ordBoolean)\n * assert.strictEqual(O.compare(['a', 1, true], ['b', 2, true]), -1)\n * assert.strictEqual(O.compare(['a', 1, true], ['a', 2, true]), -1)\n * assert.strictEqual(O.compare(['a', 1, true], ['a', 1, false]), 1)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getTupleOrd() {\n var ords = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n ords[_i] = arguments[_i];\n }\n var len = ords.length;\n return fromCompare(function (x, y) {\n var i = 0;\n for (; i < len - 1; i++) {\n var r = ords[i].compare(x[i], y[i]);\n if (r !== 0) {\n return r;\n }\n }\n return ords[i].compare(x[i], y[i]);\n });\n}\nexports.getTupleOrd = getTupleOrd;\n/**\n * @category combinators\n * @since 2.0.0\n */\nfunction getDualOrd(O) {\n return fromCompare(function (x, y) { return O.compare(y, x); });\n}\nexports.getDualOrd = getDualOrd;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\n/* istanbul ignore next */\nvar contramap_ = function (fa, f) { return function_1.pipe(fa, exports.contramap(f)); };\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category Contravariant\n * @since 2.0.0\n */\nvar contramap = function (f) { return function (fa) {\n return fromCompare(function (x, y) { return fa.compare(f(x), f(y)); });\n}; };\nexports.contramap = contramap;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Ord';\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.ordDate = \n/*#__PURE__*/\nfunction_1.pipe(exports.ordNumber, \n/*#__PURE__*/\nexports.contramap(function (date) { return date.valueOf(); }));\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Contravariant = {\n URI: exports.URI,\n contramap: contramap_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.ord = exports.Contravariant;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.invert = exports.monoidOrdering = exports.semigroupOrdering = exports.eqOrdering = exports.sign = void 0;\n/**\n * @since 2.0.0\n */\nfunction sign(n) {\n return n <= -1 ? -1 : n >= 1 ? 1 : 0;\n}\nexports.sign = sign;\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.eqOrdering = {\n equals: function (x, y) { return x === y; }\n};\n/**\n * Use `monoidOrdering` instead\n *\n * @category instances\n * @since 2.0.0\n * @deprecated\n */\nexports.semigroupOrdering = {\n concat: function (x, y) { return (x !== 0 ? x : y); }\n};\n/**\n * @category instances\n * @since 2.4.0\n */\nexports.monoidOrdering = {\n // tslint:disable-next-line: deprecation\n concat: exports.semigroupOrdering.concat,\n empty: 0\n};\n/**\n * @since 2.0.0\n */\nfunction invert(O) {\n switch (O) {\n case -1:\n return 1;\n case 1:\n return -1;\n default:\n return 0;\n }\n}\nexports.invert = invert;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.intersperse = exports.prependToAll = exports.unzip = exports.zip = exports.zipWith = exports.sort = exports.lefts = exports.rights = exports.reverse = exports.modifyAt = exports.deleteAt = exports.updateAt = exports.insertAt = exports.findLastIndex = exports.findLastMap = exports.findLast = exports.findFirstMap = exports.findFirst = exports.findIndex = exports.dropLeftWhile = exports.dropRight = exports.dropLeft = exports.spanLeft = exports.takeLeftWhile = exports.takeRight = exports.takeLeft = exports.init = exports.tail = exports.last = exports.head = exports.snoc = exports.cons = exports.lookup = exports.isOutOfBound = exports.isNonEmpty = exports.isEmpty = exports.scanRight = exports.scanLeft = exports.foldRight = exports.foldLeft = exports.flatten = exports.replicate = exports.range = exports.makeBy = exports.getOrd = exports.getEq = exports.getMonoid = exports.getShow = exports.toArray = exports.fromArray = void 0;\nexports.FunctorWithIndex = exports.Functor = exports.URI = exports.unfold = exports.wilt = exports.wither = exports.traverseWithIndex = exports.sequence = exports.traverse = exports.reduceRightWithIndex = exports.reduceRight = exports.reduceWithIndex = exports.foldMap = exports.reduce = exports.foldMapWithIndex = exports.duplicate = exports.extend = exports.filterWithIndex = exports.partitionMapWithIndex = exports.partitionMap = exports.partitionWithIndex = exports.partition = exports.compact = exports.filterMap = exports.filterMapWithIndex = exports.filter = exports.separate = exports.mapWithIndex = exports.map = exports.chainFirst = exports.chainWithIndex = exports.chain = exports.apSecond = exports.apFirst = exports.ap = exports.alt = exports.altW = exports.zero = exports.of = exports.difference = exports.intersection = exports.union = exports.comprehension = exports.chunksOf = exports.splitAt = exports.chop = exports.sortBy = exports.uniq = exports.elem = exports.rotate = void 0;\nexports.apS = exports.bind = exports.bindTo = exports.Do = exports.some = exports.every = exports.empty = exports.unsafeDeleteAt = exports.unsafeUpdateAt = exports.unsafeInsertAt = exports.readonlyArray = exports.Witherable = exports.TraversableWithIndex = exports.Traversable = exports.FoldableWithIndex = exports.Foldable = exports.FilterableWithIndex = exports.Filterable = exports.Compactable = exports.Extend = exports.Alternative = exports.Alt = exports.Unfoldable = exports.Monad = exports.Applicative = void 0;\nvar function_1 = require(\"./function\");\nvar O = __importStar(require(\"./Option\"));\nvar Ord_1 = require(\"./Ord\");\n// -------------------------------------------------------------------------------------\n// model\n// -------------------------------------------------------------------------------------\n/**\n * @category constructors\n * @since 2.5.0\n */\n// tslint:disable-next-line: readonly-array\nfunction fromArray(as) {\n var l = as.length;\n if (l === 0) {\n return exports.empty;\n }\n var ras = Array(l);\n for (var i = 0; i < l; i++) {\n ras[i] = as[i];\n }\n return ras;\n}\nexports.fromArray = fromArray;\n/**\n * @category destructors\n * @since 2.5.0\n */\n// tslint:disable-next-line: readonly-array\nfunction toArray(ras) {\n var l = ras.length;\n var as = Array(l);\n for (var i = 0; i < l; i++) {\n as[i] = ras[i];\n }\n return as;\n}\nexports.toArray = toArray;\n/**\n * @category instances\n * @since 2.5.0\n */\nfunction getShow(S) {\n return {\n show: function (as) { return \"[\" + as.map(S.show).join(', ') + \"]\"; }\n };\n}\nexports.getShow = getShow;\nvar concat = function (x, y) {\n var lenx = x.length;\n if (lenx === 0) {\n return y;\n }\n var leny = y.length;\n if (leny === 0) {\n return x;\n }\n var r = Array(lenx + leny);\n for (var i = 0; i < lenx; i++) {\n r[i] = x[i];\n }\n for (var i = 0; i < leny; i++) {\n r[i + lenx] = y[i];\n }\n return r;\n};\n/**\n * Returns a `Monoid` for `ReadonlyArray`\n *\n * @example\n * import { getMonoid } from 'fp-ts/ReadonlyArray'\n *\n * const M = getMonoid()\n * assert.deepStrictEqual(M.concat([1, 2], [3, 4]), [1, 2, 3, 4])\n *\n * @category instances\n * @since 2.5.0\n */\nfunction getMonoid() {\n return {\n concat: concat,\n empty: exports.empty\n };\n}\nexports.getMonoid = getMonoid;\n/**\n * Derives an `Eq` over the `ReadonlyArray` of a given element type from the `Eq` of that type. The derived `Eq` defines two\n * arrays as equal if all elements of both arrays are compared equal pairwise with the given `E`. In case of arrays of\n * different lengths, the result is non equality.\n *\n * @example\n * import { eqString } from 'fp-ts/Eq'\n * import { getEq } from 'fp-ts/ReadonlyArray'\n *\n * const E = getEq(eqString)\n * assert.strictEqual(E.equals(['a', 'b'], ['a', 'b']), true)\n * assert.strictEqual(E.equals(['a'], []), false)\n *\n * @category instances\n * @since 2.5.0\n */\nfunction getEq(E) {\n return {\n equals: function (xs, ys) { return xs === ys || (xs.length === ys.length && xs.every(function (x, i) { return E.equals(x, ys[i]); })); }\n };\n}\nexports.getEq = getEq;\n/**\n * Derives an `Ord` over the `ReadonlyArray` of a given element type from the `Ord` of that type. The ordering between two such\n * arrays is equal to: the first non equal comparison of each arrays elements taken pairwise in increasing order, in\n * case of equality over all the pairwise elements; the longest array is considered the greatest, if both arrays have\n * the same length, the result is equality.\n *\n * @example\n * import { getOrd } from 'fp-ts/ReadonlyArray'\n * import { ordString } from 'fp-ts/Ord'\n *\n * const O = getOrd(ordString)\n * assert.strictEqual(O.compare(['b'], ['a']), 1)\n * assert.strictEqual(O.compare(['a'], ['a']), 0)\n * assert.strictEqual(O.compare(['a'], ['b']), -1)\n *\n *\n * @category instances\n * @since 2.5.0\n */\nfunction getOrd(O) {\n return Ord_1.fromCompare(function (a, b) {\n var aLen = a.length;\n var bLen = b.length;\n var len = Math.min(aLen, bLen);\n for (var i = 0; i < len; i++) {\n var ordering = O.compare(a[i], b[i]);\n if (ordering !== 0) {\n return ordering;\n }\n }\n return Ord_1.ordNumber.compare(aLen, bLen);\n });\n}\nexports.getOrd = getOrd;\n/**\n * Return a list of length `n` with element `i` initialized with `f(i)`\n *\n * @example\n * import { makeBy } from 'fp-ts/ReadonlyArray'\n *\n * const double = (n: number): number => n * 2\n * assert.deepStrictEqual(makeBy(5, double), [0, 2, 4, 6, 8])\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction makeBy(n, f) {\n // tslint:disable-next-line: readonly-array\n var r = [];\n for (var i = 0; i < n; i++) {\n r.push(f(i));\n }\n return r;\n}\nexports.makeBy = makeBy;\n/**\n * Create an array containing a range of integers, including both endpoints\n *\n * @example\n * import { range } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(range(1, 5), [1, 2, 3, 4, 5])\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction range(start, end) {\n return makeBy(end - start + 1, function (i) { return start + i; });\n}\nexports.range = range;\n/**\n * Create an array containing a value repeated the specified number of times\n *\n * @example\n * import { replicate } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(replicate(3, 'a'), ['a', 'a', 'a'])\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction replicate(n, a) {\n return makeBy(n, function () { return a; });\n}\nexports.replicate = replicate;\n/**\n * Removes one level of nesting\n *\n * Derivable from `Monad`.\n *\n * @example\n * import { flatten } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(flatten([[1], [2], [3]]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction flatten(mma) {\n var rLen = 0;\n var len = mma.length;\n for (var i = 0; i < len; i++) {\n rLen += mma[i].length;\n }\n var r = Array(rLen);\n var start = 0;\n for (var i = 0; i < len; i++) {\n var arr = mma[i];\n var l = arr.length;\n for (var j = 0; j < l; j++) {\n r[j + start] = arr[j];\n }\n start += l;\n }\n return r;\n}\nexports.flatten = flatten;\n/**\n * Break an array into its first element and remaining elements\n *\n * @example\n * import { foldLeft } from 'fp-ts/ReadonlyArray'\n *\n * const len: (as: ReadonlyArray) => number = foldLeft(() => 0, (_, tail) => 1 + len(tail))\n * assert.strictEqual(len([1, 2, 3]), 3)\n *\n * @category destructors\n * @since 2.5.0\n */\nfunction foldLeft(onEmpty, onCons) {\n return function (as) { return (isEmpty(as) ? onEmpty() : onCons(as[0], as.slice(1))); };\n}\nexports.foldLeft = foldLeft;\n/**\n * Break an array into its initial elements and the last element\n *\n * @category destructors\n * @since 2.5.0\n */\nfunction foldRight(onEmpty, onCons) {\n return function (as) { return (isEmpty(as) ? onEmpty() : onCons(as.slice(0, as.length - 1), as[as.length - 1])); };\n}\nexports.foldRight = foldRight;\n/**\n * Same as `reduce` but it carries over the intermediate steps\n *\n * @example\n * import { scanLeft } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(scanLeft(10, (b, a: number) => b - a)([1, 2, 3]), [10, 9, 7, 4])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction scanLeft(b, f) {\n return function (as) {\n var l = as.length;\n // tslint:disable-next-line: readonly-array\n var r = new Array(l + 1);\n r[0] = b;\n for (var i = 0; i < l; i++) {\n r[i + 1] = f(r[i], as[i]);\n }\n return r;\n };\n}\nexports.scanLeft = scanLeft;\n/**\n * Fold an array from the right, keeping all intermediate results instead of only the final result\n *\n * @example\n * import { scanRight } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(scanRight(10, (a: number, b) => b - a)([1, 2, 3]), [4, 5, 7, 10])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction scanRight(b, f) {\n return function (as) {\n var l = as.length;\n // tslint:disable-next-line: readonly-array\n var r = new Array(l + 1);\n r[l] = b;\n for (var i = l - 1; i >= 0; i--) {\n r[i] = f(as[i], r[i + 1]);\n }\n return r;\n };\n}\nexports.scanRight = scanRight;\n/**\n * Test whether an array is empty\n *\n * @example\n * import { isEmpty } from 'fp-ts/ReadonlyArray'\n *\n * assert.strictEqual(isEmpty([]), true)\n *\n * @since 2.5.0\n */\nfunction isEmpty(as) {\n return as.length === 0;\n}\nexports.isEmpty = isEmpty;\n/**\n * Test whether an array is non empty narrowing down the type to `NonEmptyReadonlyArray`\n *\n * @category guards\n * @since 2.5.0\n */\nfunction isNonEmpty(as) {\n return as.length > 0;\n}\nexports.isNonEmpty = isNonEmpty;\n/**\n * Test whether an array contains a particular index\n *\n * @since 2.5.0\n */\nfunction isOutOfBound(i, as) {\n return i < 0 || i >= as.length;\n}\nexports.isOutOfBound = isOutOfBound;\nfunction lookup(i, as) {\n return as === undefined ? function (as) { return lookup(i, as); } : isOutOfBound(i, as) ? O.none : O.some(as[i]);\n}\nexports.lookup = lookup;\nfunction cons(head, tail) {\n if (tail === undefined) {\n return function (tail) { return cons(head, tail); };\n }\n var len = tail.length;\n var r = Array(len + 1);\n for (var i = 0; i < len; i++) {\n r[i + 1] = tail[i];\n }\n r[0] = head;\n return r;\n}\nexports.cons = cons;\n// TODO: curry and make data-last in v3\n/**\n * Append an element to the end of an array, creating a new non empty array\n *\n * @example\n * import { snoc } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(snoc([1, 2, 3], 4), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction snoc(init, end) {\n var len = init.length;\n var r = Array(len + 1);\n for (var i = 0; i < len; i++) {\n r[i] = init[i];\n }\n r[len] = end;\n return r;\n}\nexports.snoc = snoc;\n/**\n * Get the first element in an array, or `None` if the array is empty\n *\n * @example\n * import { head } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(head([1, 2, 3]), some(1))\n * assert.deepStrictEqual(head([]), none)\n *\n * @since 2.5.0\n */\nfunction head(as) {\n return isEmpty(as) ? O.none : O.some(as[0]);\n}\nexports.head = head;\n/**\n * Get the last element in an array, or `None` if the array is empty\n *\n * @example\n * import { last } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(last([1, 2, 3]), some(3))\n * assert.deepStrictEqual(last([]), none)\n *\n * @since 2.5.0\n */\nfunction last(as) {\n return lookup(as.length - 1, as);\n}\nexports.last = last;\n/**\n * Get all but the first element of an array, creating a new array, or `None` if the array is empty\n *\n * @example\n * import { tail } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(tail([1, 2, 3]), some([2, 3]))\n * assert.deepStrictEqual(tail([]), none)\n *\n * @since 2.5.0\n */\nfunction tail(as) {\n return isEmpty(as) ? O.none : O.some(as.slice(1));\n}\nexports.tail = tail;\n/**\n * Get all but the last element of an array, creating a new array, or `None` if the array is empty\n *\n * @example\n * import { init } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(init([1, 2, 3]), some([1, 2]))\n * assert.deepStrictEqual(init([]), none)\n *\n * @since 2.5.0\n */\nfunction init(as) {\n var len = as.length;\n return len === 0 ? O.none : O.some(as.slice(0, len - 1));\n}\nexports.init = init;\n/**\n * Keep only a number of elements from the start of an array, creating a new array.\n * `n` must be a natural number\n *\n * @example\n * import { takeLeft } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(takeLeft(2)([1, 2, 3]), [1, 2])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction takeLeft(n) {\n return function (as) { return as.slice(0, n); };\n}\nexports.takeLeft = takeLeft;\n/**\n * Keep only a number of elements from the end of an array, creating a new array.\n * `n` must be a natural number\n *\n * @example\n * import { takeRight } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(takeRight(2)([1, 2, 3, 4, 5]), [4, 5])\n *\n * @since 2.5.0\n */\nfunction takeRight(n) {\n return function (as) { return (n === 0 ? exports.empty : as.slice(-n)); };\n}\nexports.takeRight = takeRight;\nfunction takeLeftWhile(predicate) {\n return function (as) {\n var i = spanIndexUncurry(as, predicate);\n var init = Array(i);\n for (var j = 0; j < i; j++) {\n init[j] = as[j];\n }\n return init;\n };\n}\nexports.takeLeftWhile = takeLeftWhile;\nvar spanIndexUncurry = function (as, predicate) {\n var l = as.length;\n var i = 0;\n for (; i < l; i++) {\n if (!predicate(as[i])) {\n break;\n }\n }\n return i;\n};\nfunction spanLeft(predicate) {\n return function (as) {\n var i = spanIndexUncurry(as, predicate);\n var init = Array(i);\n for (var j = 0; j < i; j++) {\n init[j] = as[j];\n }\n var l = as.length;\n var rest = Array(l - i);\n for (var j = i; j < l; j++) {\n rest[j - i] = as[j];\n }\n return { init: init, rest: rest };\n };\n}\nexports.spanLeft = spanLeft;\n/**\n * Drop a number of elements from the start of an array, creating a new array\n *\n * @example\n * import { dropLeft } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(dropLeft(2)([1, 2, 3]), [3])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction dropLeft(n) {\n return function (as) { return as.slice(n, as.length); };\n}\nexports.dropLeft = dropLeft;\n/**\n * Drop a number of elements from the end of an array, creating a new array\n *\n * @example\n * import { dropRight } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(dropRight(2)([1, 2, 3, 4, 5]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction dropRight(n) {\n return function (as) { return as.slice(0, as.length - n); };\n}\nexports.dropRight = dropRight;\n/**\n * Remove the longest initial subarray for which all element satisfy the specified predicate, creating a new array\n *\n * @example\n * import { dropLeftWhile } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(dropLeftWhile((n: number) => n % 2 === 1)([1, 3, 2, 4, 5]), [2, 4, 5])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction dropLeftWhile(predicate) {\n return function (as) {\n var i = spanIndexUncurry(as, predicate);\n var l = as.length;\n var rest = Array(l - i);\n for (var j = i; j < l; j++) {\n rest[j - i] = as[j];\n }\n return rest;\n };\n}\nexports.dropLeftWhile = dropLeftWhile;\n/**\n * Find the first index for which a predicate holds\n *\n * @example\n * import { findIndex } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(findIndex((n: number) => n === 2)([1, 2, 3]), some(1))\n * assert.deepStrictEqual(findIndex((n: number) => n === 2)([]), none)\n *\n * @since 2.5.0\n */\nfunction findIndex(predicate) {\n return function (as) {\n var len = as.length;\n for (var i = 0; i < len; i++) {\n if (predicate(as[i])) {\n return O.some(i);\n }\n }\n return O.none;\n };\n}\nexports.findIndex = findIndex;\nfunction findFirst(predicate) {\n return function (as) {\n var len = as.length;\n for (var i = 0; i < len; i++) {\n if (predicate(as[i])) {\n return O.some(as[i]);\n }\n }\n return O.none;\n };\n}\nexports.findFirst = findFirst;\n/**\n * Find the first element returned by an option based selector function\n *\n * @example\n * import { findFirstMap } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface Person {\n * name: string\n * age?: number\n * }\n *\n * const persons: ReadonlyArray = [{ name: 'John' }, { name: 'Mary', age: 45 }, { name: 'Joey', age: 28 }]\n *\n * // returns the name of the first person that has an age\n * assert.deepStrictEqual(findFirstMap((p: Person) => (p.age === undefined ? none : some(p.name)))(persons), some('Mary'))\n *\n * @since 2.5.0\n */\nfunction findFirstMap(f) {\n return function (as) {\n var len = as.length;\n for (var i = 0; i < len; i++) {\n var v = f(as[i]);\n if (O.isSome(v)) {\n return v;\n }\n }\n return O.none;\n };\n}\nexports.findFirstMap = findFirstMap;\nfunction findLast(predicate) {\n return function (as) {\n var len = as.length;\n for (var i = len - 1; i >= 0; i--) {\n if (predicate(as[i])) {\n return O.some(as[i]);\n }\n }\n return O.none;\n };\n}\nexports.findLast = findLast;\n/**\n * Find the last element returned by an option based selector function\n *\n * @example\n * import { findLastMap } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface Person {\n * name: string\n * age?: number\n * }\n *\n * const persons: ReadonlyArray = [{ name: 'John' }, { name: 'Mary', age: 45 }, { name: 'Joey', age: 28 }]\n *\n * // returns the name of the last person that has an age\n * assert.deepStrictEqual(findLastMap((p: Person) => (p.age === undefined ? none : some(p.name)))(persons), some('Joey'))\n *\n * @since 2.5.0\n */\nfunction findLastMap(f) {\n return function (as) {\n var len = as.length;\n for (var i = len - 1; i >= 0; i--) {\n var v = f(as[i]);\n if (O.isSome(v)) {\n return v;\n }\n }\n return O.none;\n };\n}\nexports.findLastMap = findLastMap;\n/**\n * Returns the index of the last element of the list which matches the predicate\n *\n * @example\n * import { findLastIndex } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * interface X {\n * a: number\n * b: number\n * }\n * const xs: ReadonlyArray = [{ a: 1, b: 0 }, { a: 1, b: 1 }]\n * assert.deepStrictEqual(findLastIndex((x: { a: number }) => x.a === 1)(xs), some(1))\n * assert.deepStrictEqual(findLastIndex((x: { a: number }) => x.a === 4)(xs), none)\n *\n *\n * @since 2.5.0\n */\nfunction findLastIndex(predicate) {\n return function (as) {\n var len = as.length;\n for (var i = len - 1; i >= 0; i--) {\n if (predicate(as[i])) {\n return O.some(i);\n }\n }\n return O.none;\n };\n}\nexports.findLastIndex = findLastIndex;\n/**\n * Insert an element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { insertAt } from 'fp-ts/ReadonlyArray'\n * import { some } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(insertAt(2, 5)([1, 2, 3, 4]), some([1, 2, 5, 3, 4]))\n *\n * @since 2.5.0\n */\nfunction insertAt(i, a) {\n return function (as) { return (i < 0 || i > as.length ? O.none : O.some(unsafeInsertAt(i, a, as))); };\n}\nexports.insertAt = insertAt;\n/**\n * Change the element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { updateAt } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(updateAt(1, 1)([1, 2, 3]), some([1, 1, 3]))\n * assert.deepStrictEqual(updateAt(1, 1)([]), none)\n *\n * @since 2.5.0\n */\nfunction updateAt(i, a) {\n return function (as) { return (isOutOfBound(i, as) ? O.none : O.some(unsafeUpdateAt(i, a, as))); };\n}\nexports.updateAt = updateAt;\n/**\n * Delete the element at the specified index, creating a new array, or returning `None` if the index is out of bounds\n *\n * @example\n * import { deleteAt } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * assert.deepStrictEqual(deleteAt(0)([1, 2, 3]), some([2, 3]))\n * assert.deepStrictEqual(deleteAt(1)([]), none)\n *\n * @since 2.5.0\n */\nfunction deleteAt(i) {\n return function (as) { return (isOutOfBound(i, as) ? O.none : O.some(unsafeDeleteAt(i, as))); };\n}\nexports.deleteAt = deleteAt;\n/**\n * Apply a function to the element at the specified index, creating a new array, or returning `None` if the index is out\n * of bounds\n *\n * @example\n * import { modifyAt } from 'fp-ts/ReadonlyArray'\n * import { some, none } from 'fp-ts/Option'\n *\n * const double = (x: number): number => x * 2\n * assert.deepStrictEqual(modifyAt(1, double)([1, 2, 3]), some([1, 4, 3]))\n * assert.deepStrictEqual(modifyAt(1, double)([]), none)\n *\n * @since 2.5.0\n */\nfunction modifyAt(i, f) {\n return function (as) { return (isOutOfBound(i, as) ? O.none : O.some(unsafeUpdateAt(i, f(as[i]), as))); };\n}\nexports.modifyAt = modifyAt;\n/**\n * Reverse an array, creating a new array\n *\n * @example\n * import { reverse } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(reverse([1, 2, 3]), [3, 2, 1])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction reverse(as) {\n if (isEmpty(as)) {\n return as;\n }\n return as.slice().reverse();\n}\nexports.reverse = reverse;\n/**\n * Extracts from an array of `Either` all the `Right` elements. All the `Right` elements are extracted in order\n *\n * @example\n * import { rights } from 'fp-ts/ReadonlyArray'\n * import { right, left } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(rights([right(1), left('foo'), right(2)]), [1, 2])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction rights(as) {\n // tslint:disable-next-line: readonly-array\n var r = [];\n var len = as.length;\n for (var i = 0; i < len; i++) {\n var a = as[i];\n if (a._tag === 'Right') {\n r.push(a.right);\n }\n }\n return r;\n}\nexports.rights = rights;\n/**\n * Extracts from an array of `Either` all the `Left` elements. All the `Left` elements are extracted in order\n *\n * @example\n * import { lefts } from 'fp-ts/ReadonlyArray'\n * import { left, right } from 'fp-ts/Either'\n *\n * assert.deepStrictEqual(lefts([right(1), left('foo'), right(2)]), ['foo'])\n *\n * @since 2.5.0\n */\nfunction lefts(as) {\n // tslint:disable-next-line: readonly-array\n var r = [];\n var len = as.length;\n for (var i = 0; i < len; i++) {\n var a = as[i];\n if (a._tag === 'Left') {\n r.push(a.left);\n }\n }\n return r;\n}\nexports.lefts = lefts;\n/**\n * Sort the elements of an array in increasing order, creating a new array\n *\n * @example\n * import { sort } from 'fp-ts/ReadonlyArray'\n * import { ordNumber } from 'fp-ts/Ord'\n *\n * assert.deepStrictEqual(sort(ordNumber)([3, 2, 1]), [1, 2, 3])\n *\n * @category combinators\n * @since 2.5.0\n */\nvar sort = function (O) { return function (as) {\n return as.length <= 1 ? as : as.slice().sort(O.compare);\n}; };\nexports.sort = sort;\n// TODO: curry and make data-last in v3\n/**\n * Apply a function to pairs of elements at the same index in two arrays, collecting the results in a new array. If one\n * input array is short, excess elements of the longer array are discarded.\n *\n * @example\n * import { zipWith } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(zipWith([1, 2, 3], ['a', 'b', 'c', 'd'], (n, s) => s + n), ['a1', 'b2', 'c3'])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction zipWith(fa, fb, f) {\n // tslint:disable-next-line: readonly-array\n var fc = [];\n var len = Math.min(fa.length, fb.length);\n for (var i = 0; i < len; i++) {\n fc[i] = f(fa[i], fb[i]);\n }\n return fc;\n}\nexports.zipWith = zipWith;\nfunction zip(as, bs) {\n if (bs === undefined) {\n return function (bs) { return zip(bs, as); };\n }\n return zipWith(as, bs, function (a, b) { return [a, b]; });\n}\nexports.zip = zip;\n/**\n * The function is reverse of `zip`. Takes an array of pairs and return two corresponding arrays\n *\n * @example\n * import { unzip } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(unzip([[1, 'a'], [2, 'b'], [3, 'c']]), [[1, 2, 3], ['a', 'b', 'c']])\n *\n * @since 2.5.0\n */\nfunction unzip(as) {\n // tslint:disable-next-line: readonly-array\n var fa = [];\n // tslint:disable-next-line: readonly-array\n var fb = [];\n for (var i = 0; i < as.length; i++) {\n fa[i] = as[i][0];\n fb[i] = as[i][1];\n }\n return [fa, fb];\n}\nexports.unzip = unzip;\n/**\n * Prepend an element to every member of an array\n *\n * @example\n * import { prependToAll } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(prependToAll(9)([1, 2, 3, 4]), [9, 1, 9, 2, 9, 3, 9, 4])\n *\n * @category combinators\n * @since 2.9.0\n */\nvar prependToAll = function (e) { return function (xs) {\n // tslint:disable-next-line: readonly-array\n var ys = [];\n for (var _i = 0, xs_1 = xs; _i < xs_1.length; _i++) {\n var x = xs_1[_i];\n ys.push(e, x);\n }\n return ys;\n}; };\nexports.prependToAll = prependToAll;\n/**\n * Places an element in between members of an array\n *\n * @example\n * import { intersperse } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(intersperse(9)([1, 2, 3, 4]), [1, 9, 2, 9, 3, 9, 4])\n *\n * @category combinators\n * @since 2.9.0\n */\nfunction intersperse(e) {\n return function (as) {\n var length = as.length;\n if (length === 0) {\n return as;\n }\n return cons(as[0], exports.prependToAll(e)(as.slice(1, as.length)));\n };\n}\nexports.intersperse = intersperse;\n/**\n * Rotate an array to the right by `n` steps\n *\n * @example\n * import { rotate } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(rotate(2)([1, 2, 3, 4, 5]), [4, 5, 1, 2, 3])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction rotate(n) {\n return function (as) {\n var len = as.length;\n if (n === 0 || len <= 1 || len === Math.abs(n)) {\n return as;\n }\n else if (n < 0) {\n return rotate(len + n)(as);\n }\n else {\n return as.slice(-n).concat(as.slice(0, len - n));\n }\n };\n}\nexports.rotate = rotate;\nfunction elem(E) {\n return function (a, as) {\n if (as === undefined) {\n var elemE_1 = elem(E);\n return function (as) { return elemE_1(a, as); };\n }\n var predicate = function (element) { return E.equals(element, a); };\n var i = 0;\n var len = as.length;\n for (; i < len; i++) {\n if (predicate(as[i])) {\n return true;\n }\n }\n return false;\n };\n}\nexports.elem = elem;\n/**\n * Remove duplicates from an array, keeping the first occurrence of an element.\n *\n * @example\n * import { uniq } from 'fp-ts/ReadonlyArray'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * assert.deepStrictEqual(uniq(eqNumber)([1, 2, 1]), [1, 2])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction uniq(E) {\n var elemS = elem(E);\n return function (as) {\n var len = as.length;\n if (len <= 1) {\n return as;\n }\n // tslint:disable-next-line: readonly-array\n var r = [];\n var i = 0;\n for (; i < len; i++) {\n var a = as[i];\n if (!elemS(a, r)) {\n r.push(a);\n }\n }\n return len === r.length ? as : r;\n };\n}\nexports.uniq = uniq;\n/**\n * Sort the elements of an array in increasing order, where elements are compared using first `ords[0]`, then `ords[1]`,\n * etc...\n *\n * @example\n * import { sortBy } from 'fp-ts/ReadonlyArray'\n * import { ord, ordString, ordNumber } from 'fp-ts/Ord'\n *\n * interface Person {\n * name: string\n * age: number\n * }\n * const byName = ord.contramap(ordString, (p: Person) => p.name)\n * const byAge = ord.contramap(ordNumber, (p: Person) => p.age)\n *\n * const sortByNameByAge = sortBy([byName, byAge])\n *\n * const persons = [{ name: 'a', age: 1 }, { name: 'b', age: 3 }, { name: 'c', age: 2 }, { name: 'b', age: 2 }]\n * assert.deepStrictEqual(sortByNameByAge(persons), [\n * { name: 'a', age: 1 },\n * { name: 'b', age: 2 },\n * { name: 'b', age: 3 },\n * { name: 'c', age: 2 }\n * ])\n *\n * @category combinators\n * @since 2.5.0\n */\nfunction sortBy(ords) {\n var M = Ord_1.getMonoid();\n return exports.sort(ords.reduce(M.concat, M.empty));\n}\nexports.sortBy = sortBy;\n/**\n * A useful recursion pattern for processing an array to produce a new array, often used for \"chopping\" up the input\n * array. Typically chop is called with some function that will consume an initial prefix of the array and produce a\n * value and the rest of the array.\n *\n * @example\n * import { Eq, eqNumber } from 'fp-ts/Eq'\n * import { chop, spanLeft } from 'fp-ts/ReadonlyArray'\n *\n * const group = (S: Eq): ((as: ReadonlyArray) => ReadonlyArray>) => {\n * return chop(as => {\n * const { init, rest } = spanLeft((a: A) => S.equals(a, as[0]))(as)\n * return [init, rest]\n * })\n * }\n * assert.deepStrictEqual(group(eqNumber)([1, 1, 2, 3, 3, 4]), [[1, 1], [2], [3, 3], [4]])\n *\n * @category combinators\n * @since 2.5.0\n */\nvar chop = function (f) { return function (as) {\n // tslint:disable-next-line: readonly-array\n var result = [];\n var cs = as;\n while (isNonEmpty(cs)) {\n var _a = f(cs), b = _a[0], c = _a[1];\n result.push(b);\n cs = c;\n }\n return result;\n}; };\nexports.chop = chop;\n/**\n * Splits an array into two pieces, the first piece has `n` elements.\n *\n * @example\n * import { splitAt } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(splitAt(2)([1, 2, 3, 4, 5]), [[1, 2], [3, 4, 5]])\n *\n * @since 2.5.0\n */\nfunction splitAt(n) {\n return function (as) { return [as.slice(0, n), as.slice(n)]; };\n}\nexports.splitAt = splitAt;\n/**\n * Splits an array into length-`n` pieces. The last piece will be shorter if `n` does not evenly divide the length of\n * the array. Note that `chunksOf(n)([])` is `[]`, not `[[]]`. This is intentional, and is consistent with a recursive\n * definition of `chunksOf`; it satisfies the property that\n *\n * ```ts\n * chunksOf(n)(xs).concat(chunksOf(n)(ys)) == chunksOf(n)(xs.concat(ys)))\n * ```\n *\n * whenever `n` evenly divides the length of `xs`.\n *\n * @example\n * import { chunksOf } from 'fp-ts/ReadonlyArray'\n *\n * assert.deepStrictEqual(chunksOf(2)([1, 2, 3, 4, 5]), [[1, 2], [3, 4], [5]])\n *\n *\n * @since 2.5.0\n */\nfunction chunksOf(n) {\n var f = exports.chop(splitAt(n));\n return function (as) { return (as.length === 0 ? exports.empty : isOutOfBound(n - 1, as) ? [as] : f(as)); };\n}\nexports.chunksOf = chunksOf;\nfunction comprehension(input, f, g) {\n if (g === void 0) { g = function () { return true; }; }\n var go = function (scope, input) {\n if (input.length === 0) {\n return g.apply(void 0, scope) ? [f.apply(void 0, scope)] : exports.empty;\n }\n else {\n return chain_(input[0], function (x) { return go(snoc(scope, x), input.slice(1)); });\n }\n };\n return go(exports.empty, input);\n}\nexports.comprehension = comprehension;\nfunction union(E) {\n var elemE = elem(E);\n return function (xs, ys) {\n if (ys === undefined) {\n var unionE_1 = union(E);\n return function (ys) { return unionE_1(ys, xs); };\n }\n return concat(xs, ys.filter(function (a) { return !elemE(a, xs); }));\n };\n}\nexports.union = union;\nfunction intersection(E) {\n var elemE = elem(E);\n return function (xs, ys) {\n if (ys === undefined) {\n var intersectionE_1 = intersection(E);\n return function (ys) { return intersectionE_1(ys, xs); };\n }\n return xs.filter(function (a) { return elemE(a, ys); });\n };\n}\nexports.intersection = intersection;\nfunction difference(E) {\n var elemE = elem(E);\n return function (xs, ys) {\n if (ys === undefined) {\n var differenceE_1 = difference(E);\n return function (ys) { return differenceE_1(ys, xs); };\n }\n return xs.filter(function (a) { return !elemE(a, ys); });\n };\n}\nexports.difference = difference;\n/**\n * Wrap a value into the type constructor.\n *\n * @category Applicative\n * @since 2.5.0\n */\nvar of = function (a) { return [a]; };\nexports.of = of;\n/**\n * @category Alternative\n * @since 2.7.0\n */\nvar zero = function () { return exports.empty; };\nexports.zero = zero;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = function (fa, f) { return function_1.pipe(fa, exports.map(f)); };\nvar mapWithIndex_ = function (fa, f) { return function_1.pipe(fa, exports.mapWithIndex(f)); };\nvar ap_ = function (fab, fa) { return function_1.pipe(fab, exports.ap(fa)); };\nvar chain_ = function (ma, f) {\n return function_1.pipe(ma, exports.chain(f));\n};\nvar filter_ = function (fa, predicate) { return function_1.pipe(fa, exports.filter(predicate)); };\nvar filterMap_ = function (fa, f) { return function_1.pipe(fa, exports.filterMap(f)); };\nvar partitionWithIndex_ = function (fa, predicateWithIndex) { return function_1.pipe(fa, exports.partitionWithIndex(predicateWithIndex)); };\nvar partition_ = function (fa, predicate) { return function_1.pipe(fa, exports.partition(predicate)); };\nvar partitionMap_ = function (fa, f) { return function_1.pipe(fa, exports.partitionMap(f)); };\nvar partitionMapWithIndex_ = function (fa, f) { return function_1.pipe(fa, exports.partitionMapWithIndex(f)); };\nvar alt_ = function (fa, that) { return function_1.pipe(fa, exports.alt(that)); };\nvar reduce_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduce(b, f)); };\nvar foldMap_ = function (M) {\n var foldMapM = exports.foldMap(M);\n return function (fa, f) { return function_1.pipe(fa, foldMapM(f)); };\n};\nvar reduceRight_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduceRight(b, f)); };\nvar reduceWithIndex_ = function (fa, b, f) {\n var l = fa.length;\n var r = b;\n for (var i = 0; i < l; i++) {\n r = f(i, r, fa[i]);\n }\n return r;\n};\nvar foldMapWithIndex_ = function (M) { return function (fa, f) {\n return fa.reduce(function (b, a, i) { return M.concat(b, f(i, a)); }, M.empty);\n}; };\nvar reduceRightWithIndex_ = function (fa, b, f) {\n return function_1.pipe(fa, exports.reduceRightWithIndex(b, f));\n};\nvar filterMapWithIndex_ = function (fa, f) {\n return function_1.pipe(fa, exports.filterMapWithIndex(f));\n};\nvar filterWithIndex_ = function (fa, predicateWithIndex) { return function_1.pipe(fa, exports.filterWithIndex(predicateWithIndex)); };\nvar extend_ = function (fa, f) { return function_1.pipe(fa, exports.extend(f)); };\nvar traverse_ = function (F) {\n var traverseF = exports.traverse(F);\n return function (ta, f) { return function_1.pipe(ta, traverseF(f)); };\n};\n/* istanbul ignore next */\nvar traverseWithIndex_ = function (F) {\n var traverseWithIndexF = exports.traverseWithIndex(F);\n return function (ta, f) { return function_1.pipe(ta, traverseWithIndexF(f)); };\n};\n/* istanbul ignore next */\nvar wither_ = function (F) {\n var witherF = exports.wither(F);\n return function (fa, f) { return function_1.pipe(fa, witherF(f)); };\n};\n/* istanbul ignore next */\nvar wilt_ = function (F) {\n var wiltF = exports.wilt(F);\n return function (fa, f) { return function_1.pipe(fa, wiltF(f)); };\n};\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nvar altW = function (that) { return function (fa) { return concat(fa, that()); }; };\nexports.altW = altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * @category Alt\n * @since 2.5.0\n */\nexports.alt = exports.altW;\n/**\n * Apply a function to an argument under a type constructor.\n *\n * @category Apply\n * @since 2.5.0\n */\nvar ap = function (fa) {\n return exports.chain(function (f) { return function_1.pipe(fa, exports.map(f)); });\n};\nexports.ap = ap;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.5.0\n */\nvar apFirst = function (fb) {\n return function_1.flow(exports.map(function (a) { return function () { return a; }; }), exports.ap(fb));\n};\nexports.apFirst = apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.5.0\n */\nvar apSecond = function (fb) {\n return function_1.flow(exports.map(function () { return function (b) { return b; }; }), exports.ap(fb));\n};\nexports.apSecond = apSecond;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.5.0\n */\nvar chain = function (f) { return function (ma) {\n return function_1.pipe(ma, exports.chainWithIndex(function (_, a) { return f(a); }));\n}; };\nexports.chain = chain;\n/**\n * @since 2.7.0\n */\nvar chainWithIndex = function (f) { return function (ma) {\n var outLen = 0;\n var l = ma.length;\n var temp = new Array(l);\n for (var i = 0; i < l; i++) {\n var e = ma[i];\n var arr = f(i, e);\n outLen += arr.length;\n temp[i] = arr;\n }\n var out = Array(outLen);\n var start = 0;\n for (var i = 0; i < l; i++) {\n var arr = temp[i];\n var l_1 = arr.length;\n for (var j = 0; j < l_1; j++) {\n out[j + start] = arr[j];\n }\n start += l_1;\n }\n return out;\n}; };\nexports.chainWithIndex = chainWithIndex;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.5.0\n */\nvar chainFirst = function (f) {\n return exports.chain(function (a) {\n return function_1.pipe(f(a), exports.map(function () { return a; }));\n });\n};\nexports.chainFirst = chainFirst;\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.5.0\n */\nvar map = function (f) { return function (fa) {\n return fa.map(function (a) { return f(a); });\n}; };\nexports.map = map;\n/**\n * @category FunctorWithIndex\n * @since 2.5.0\n */\nvar mapWithIndex = function (f) { return function (fa) { return fa.map(function (a, i) { return f(i, a); }); }; };\nexports.mapWithIndex = mapWithIndex;\n/**\n * @category Compactable\n * @since 2.5.0\n */\nvar separate = function (fa) {\n // tslint:disable-next-line: readonly-array\n var left = [];\n // tslint:disable-next-line: readonly-array\n var right = [];\n for (var _i = 0, fa_1 = fa; _i < fa_1.length; _i++) {\n var e = fa_1[_i];\n if (e._tag === 'Left') {\n left.push(e.left);\n }\n else {\n right.push(e.right);\n }\n }\n return {\n left: left,\n right: right\n };\n};\nexports.separate = separate;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar filter = function (predicate) { return function (fa) { return fa.filter(predicate); }; };\nexports.filter = filter;\n/**\n * @category FilterableWithIndex\n * @since 2.5.0\n */\nvar filterMapWithIndex = function (f) { return function (fa) {\n // tslint:disable-next-line: readonly-array\n var result = [];\n for (var i = 0; i < fa.length; i++) {\n var optionB = f(i, fa[i]);\n if (O.isSome(optionB)) {\n result.push(optionB.value);\n }\n }\n return result;\n}; };\nexports.filterMapWithIndex = filterMapWithIndex;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar filterMap = function (f) {\n return exports.filterMapWithIndex(function (_, a) { return f(a); });\n};\nexports.filterMap = filterMap;\n/**\n * @category Compactable\n * @since 2.5.0\n */\nexports.compact = \n/*#__PURE__*/\nexports.filterMap(function_1.identity);\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar partition = function (predicate) {\n return exports.partitionWithIndex(function (_, a) { return predicate(a); });\n};\nexports.partition = partition;\n/**\n * @category FilterableWithIndex\n * @since 2.5.0\n */\nvar partitionWithIndex = function (predicateWithIndex) { return function (fa) {\n // tslint:disable-next-line: readonly-array\n var left = [];\n // tslint:disable-next-line: readonly-array\n var right = [];\n for (var i = 0; i < fa.length; i++) {\n var a = fa[i];\n if (predicateWithIndex(i, a)) {\n right.push(a);\n }\n else {\n left.push(a);\n }\n }\n return {\n left: left,\n right: right\n };\n}; };\nexports.partitionWithIndex = partitionWithIndex;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar partitionMap = function (f) {\n return exports.partitionMapWithIndex(function (_, a) { return f(a); });\n};\nexports.partitionMap = partitionMap;\n/**\n * @category FilterableWithIndex\n * @since 2.5.0\n */\nvar partitionMapWithIndex = function (f) { return function (fa) {\n // tslint:disable-next-line: readonly-array\n var left = [];\n // tslint:disable-next-line: readonly-array\n var right = [];\n for (var i = 0; i < fa.length; i++) {\n var e = f(i, fa[i]);\n if (e._tag === 'Left') {\n left.push(e.left);\n }\n else {\n right.push(e.right);\n }\n }\n return {\n left: left,\n right: right\n };\n}; };\nexports.partitionMapWithIndex = partitionMapWithIndex;\n/**\n * @category FilterableWithIndex\n * @since 2.5.0\n */\nvar filterWithIndex = function (predicateWithIndex) { return function (fa) {\n return fa.filter(function (a, i) { return predicateWithIndex(i, a); });\n}; };\nexports.filterWithIndex = filterWithIndex;\n/**\n * @category Extend\n * @since 2.5.0\n */\nvar extend = function (f) { return function (wa) { return wa.map(function (_, i, as) { return f(as.slice(i)); }); }; };\nexports.extend = extend;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.duplicate = \n/*#__PURE__*/\nexports.extend(function_1.identity);\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nvar foldMapWithIndex = function (M) {\n var foldMapWithIndexM = foldMapWithIndex_(M);\n return function (f) { return function (fa) { return foldMapWithIndexM(fa, f); }; };\n};\nexports.foldMapWithIndex = foldMapWithIndex;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar reduce = function (b, f) {\n return exports.reduceWithIndex(b, function (_, b, a) { return f(b, a); });\n};\nexports.reduce = reduce;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar foldMap = function (M) {\n var foldMapWithIndexM = exports.foldMapWithIndex(M);\n return function (f) { return foldMapWithIndexM(function (_, a) { return f(a); }); };\n};\nexports.foldMap = foldMap;\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nvar reduceWithIndex = function (b, f) { return function (fa) { return reduceWithIndex_(fa, b, f); }; };\nexports.reduceWithIndex = reduceWithIndex;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar reduceRight = function (b, f) {\n return exports.reduceRightWithIndex(b, function (_, a, b) { return f(a, b); });\n};\nexports.reduceRight = reduceRight;\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nvar reduceRightWithIndex = function (b, f) { return function (fa) { return fa.reduceRight(function (b, a, i) { return f(i, a, b); }, b); }; };\nexports.reduceRightWithIndex = reduceRightWithIndex;\n/**\n * **for optimized and stack safe version check the data types `traverseArray` function**\n * @category Traversable\n * @since 2.6.3\n */\nvar traverse = function (F) {\n var traverseWithIndexF = exports.traverseWithIndex(F);\n return function (f) { return traverseWithIndexF(function (_, a) { return f(a); }); };\n};\nexports.traverse = traverse;\n/**\n * **for optimized and stack safe version check the data types `sequenceArray` function**\n * @category Traversable\n * @since 2.6.3\n */\nvar sequence = function (F) { return function (ta) {\n return reduce_(ta, F.of(exports.zero()), function (fas, fa) {\n return F.ap(F.map(fas, function (as) { return function (a) { return snoc(as, a); }; }), fa);\n });\n}; };\nexports.sequence = sequence;\n/**\n * **for optimized and stack safe version check the data types `traverseArrayWithIndex` function**\n * @category TraversableWithIndex\n * @since 2.6.3\n */\nvar traverseWithIndex = function (F) { return function (f) {\n return exports.reduceWithIndex(F.of(exports.zero()), function (i, fbs, a) {\n return F.ap(F.map(fbs, function (bs) { return function (b) { return snoc(bs, b); }; }), f(i, a));\n });\n}; };\nexports.traverseWithIndex = traverseWithIndex;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wither = function (F) {\n var traverseF = exports.traverse(F);\n return function (f) { return function (fa) { return F.map(function_1.pipe(fa, traverseF(f)), exports.compact); }; };\n};\nexports.wither = wither;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wilt = function (F) {\n var traverseF = exports.traverse(F);\n return function (f) { return function (fa) { return F.map(function_1.pipe(fa, traverseF(f)), exports.separate); }; };\n};\nexports.wilt = wilt;\n/**\n * @category Unfoldable\n * @since 2.6.6\n */\nvar unfold = function (b, f) {\n // tslint:disable-next-line: readonly-array\n var ret = [];\n var bb = b;\n while (true) {\n var mt = f(bb);\n if (O.isSome(mt)) {\n var _a = mt.value, a = _a[0], b_1 = _a[1];\n ret.push(a);\n bb = b_1;\n }\n else {\n break;\n }\n }\n return ret;\n};\nexports.unfold = unfold;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.URI = 'ReadonlyArray';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Unfoldable = {\n URI: exports.URI,\n unfold: exports.unfold\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alternative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n alt: alt_,\n zero: exports.zero\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Extend = {\n URI: exports.URI,\n map: map_,\n extend: extend_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Compactable = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Filterable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FilterableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverse: traverse_,\n sequence: exports.sequence,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Witherable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n wither: wither_,\n wilt: wilt_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.readonlyArray = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n mapWithIndex: mapWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n alt: alt_,\n zero: exports.zero,\n unfold: exports.unfold,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n extend: extend_,\n wither: wither_,\n wilt: wilt_\n};\n// -------------------------------------------------------------------------------------\n// unsafe\n// -------------------------------------------------------------------------------------\n/**\n * @category unsafe\n * @since 2.5.0\n */\nfunction unsafeInsertAt(i, a, as) {\n var xs = as.slice();\n xs.splice(i, 0, a);\n return xs;\n}\nexports.unsafeInsertAt = unsafeInsertAt;\n/**\n * @category unsafe\n * @since 2.5.0\n */\nfunction unsafeUpdateAt(i, a, as) {\n if (as[i] === a) {\n return as;\n }\n else {\n var xs = as.slice();\n xs[i] = a;\n return xs;\n }\n}\nexports.unsafeUpdateAt = unsafeUpdateAt;\n/**\n * @category unsafe\n * @since 2.5.0\n */\nfunction unsafeDeleteAt(i, as) {\n var xs = as.slice();\n xs.splice(i, 1);\n return xs;\n}\nexports.unsafeDeleteAt = unsafeDeleteAt;\n// -------------------------------------------------------------------------------------\n// utils\n// -------------------------------------------------------------------------------------\n/**\n * An empty array\n *\n * @since 2.5.0\n */\nexports.empty = [];\n/**\n * Check if a predicate holds true for every array member.\n *\n * @example\n * import { every } from 'fp-ts/ReadonlyArray'\n * import { pipe } from 'fp-ts/function'\n *\n * const isPositive = (n: number): boolean => n > 0\n *\n * assert.deepStrictEqual(pipe([1, 2, 3], every(isPositive)), true)\n * assert.deepStrictEqual(pipe([1, 2, -3], every(isPositive)), false)\n *\n * @since 2.9.0\n */\nvar every = function (predicate) { return function (as) { return as.every(predicate); }; };\nexports.every = every;\n/**\n * Check if a predicate holds true for any array member.\n *\n * @example\n * import { some } from 'fp-ts/ReadonlyArray'\n * import { pipe } from 'fp-ts/function'\n *\n * const isPositive = (n: number): boolean => n > 0\n *\n * assert.deepStrictEqual(pipe([-1, -2, 3], some(isPositive)), true)\n * assert.deepStrictEqual(pipe([-1, -2, -3], some(isPositive)), false)\n *\n * @since 2.9.0\n */\nvar some = function (predicate) { return function (as) { return as.some(predicate); }; };\nexports.some = some;\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nvar bindTo = function (name) {\n return exports.map(function_1.bindTo_(name));\n};\nexports.bindTo = bindTo;\n/**\n * @since 2.8.0\n */\nvar bind = function (name, f) {\n return exports.chain(function (a) {\n return function_1.pipe(f(a), exports.map(function (b) { return function_1.bind_(a, name, b); }));\n });\n};\nexports.bind = bind;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nvar apS = function (name, fb) {\n return function_1.flow(exports.map(function (a) { return function (b) { return function_1.bind_(a, name, b); }; }), exports.ap(fb));\n};\nexports.apS = apS;\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reduceRight = exports.reduceWithIndex = exports.reduce = exports.mapWithIndex = exports.map = exports.flatten = exports.extend = exports.duplicate = exports.chainFirst = exports.chain = exports.apSecond = exports.apFirst = exports.ap = exports.alt = exports.altW = exports.foldMap = exports.foldMapWithIndex = exports.intersperse = exports.prependToAll = exports.unzip = exports.zip = exports.zipWith = exports.fold = exports.concat = exports.of = exports.filterWithIndex = exports.filter = exports.modifyAt = exports.updateAt = exports.insertAt = exports.sort = exports.init = exports.last = exports.groupBy = exports.groupSort = exports.group = exports.getEq = exports.getSemigroup = exports.max = exports.min = exports.reverse = exports.tail = exports.head = exports.getShow = exports.unsnoc = exports.uncons = exports.fromArray = exports.fromReadonlyArray = exports.snoc = exports.cons = void 0;\nexports.apS = exports.bind = exports.bindTo = exports.Do = exports.readonlyNonEmptyArray = exports.Comonad = exports.Alt = exports.TraversableWithIndex = exports.Traversable = exports.FoldableWithIndex = exports.Foldable = exports.Monad = exports.Applicative = exports.FunctorWithIndex = exports.Functor = exports.URI = exports.extract = exports.traverseWithIndex = exports.sequence = exports.traverse = exports.reduceRightWithIndex = void 0;\nvar function_1 = require(\"./function\");\nvar Option_1 = require(\"./Option\");\nvar RA = __importStar(require(\"./ReadonlyArray\"));\nvar Semigroup_1 = require(\"./Semigroup\");\n/**\n * Append an element to the front of an array, creating a new non empty array\n *\n * @example\n * import { cons } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(cons(1, [2, 3, 4]), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.5.0\n */\nexports.cons = RA.cons;\n/**\n * Append an element to the end of an array, creating a new non empty array\n *\n * @example\n * import { snoc } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(snoc([1, 2, 3], 4), [1, 2, 3, 4])\n *\n * @category constructors\n * @since 2.5.0\n */\nexports.snoc = RA.snoc;\n/**\n * Builds a `ReadonlyNonEmptyArray` from an array returning `none` if `as` is an empty array\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction fromReadonlyArray(as) {\n return RA.isNonEmpty(as) ? Option_1.some(as) : Option_1.none;\n}\nexports.fromReadonlyArray = fromReadonlyArray;\n/**\n * @category constructors\n * @since 2.5.0\n */\n// tslint:disable-next-line: readonly-array\nfunction fromArray(as) {\n return fromReadonlyArray(RA.fromArray(as));\n}\nexports.fromArray = fromArray;\n/**\n * Produces a couple of the first element of the array, and a new array of the remaining elements, if any\n *\n * @example\n * import { cons, uncons } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(uncons(cons(1, [2, 3, 4])), [1, [2, 3, 4]])\n *\n * @category destructors\n * @since 2.9.0\n */\nfunction uncons(nea) {\n return [nea[0], nea.slice(1)];\n}\nexports.uncons = uncons;\n/**\n * Produces a couple of a copy of the array without its last element, and that last element\n *\n * @example\n * import { snoc, unsnoc } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(unsnoc(snoc([1, 2, 3], 4)), [[1, 2, 3], 4])\n *\n * @category destructors\n * @since 2.9.0\n */\nfunction unsnoc(nea) {\n var l = nea.length - 1;\n return [nea.slice(0, l), nea[l]];\n}\nexports.unsnoc = unsnoc;\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.getShow = RA.getShow;\n/**\n * @since 2.5.0\n */\nfunction head(nea) {\n return nea[0];\n}\nexports.head = head;\n/**\n * @since 2.5.0\n */\nfunction tail(nea) {\n return nea.slice(1);\n}\nexports.tail = tail;\n/**\n * @category combinators\n * @since 2.5.0\n */\nexports.reverse = RA.reverse;\n/**\n * @since 2.5.0\n */\nfunction min(ord) {\n var S = Semigroup_1.getMeetSemigroup(ord);\n return function (nea) { return nea.reduce(S.concat); };\n}\nexports.min = min;\n/**\n * @since 2.5.0\n */\nfunction max(ord) {\n var S = Semigroup_1.getJoinSemigroup(ord);\n return function (nea) { return nea.reduce(S.concat); };\n}\nexports.max = max;\n/**\n * Builds a `Semigroup` instance for `ReadonlyNonEmptyArray`\n *\n * @category instances\n * @since 2.5.0\n */\nfunction getSemigroup() {\n return {\n concat: concat\n };\n}\nexports.getSemigroup = getSemigroup;\n/**\n * @example\n * import { getEq, cons } from 'fp-ts/ReadonlyNonEmptyArray'\n * import { eqNumber } from 'fp-ts/Eq'\n *\n * const E = getEq(eqNumber)\n * assert.strictEqual(E.equals(cons(1, [2]), [1, 2]), true)\n * assert.strictEqual(E.equals(cons(1, [2]), [1, 3]), false)\n *\n * @category instances\n * @since 2.5.0\n */\nexports.getEq = RA.getEq;\nfunction group(E) {\n return function (as) {\n var len = as.length;\n if (len === 0) {\n return RA.empty;\n }\n // tslint:disable-next-line: readonly-array\n var r = [];\n var head = as[0];\n var nea = [head];\n for (var i = 1; i < len; i++) {\n var x = as[i];\n if (E.equals(x, head)) {\n nea.push(x);\n }\n else {\n r.push(nea);\n head = x;\n nea = [head];\n }\n }\n r.push(nea);\n return r;\n };\n}\nexports.group = group;\nfunction groupSort(O) {\n var sortO = RA.sort(O);\n var groupO = group(O);\n return function (as) { return groupO(sortO(as)); };\n}\nexports.groupSort = groupSort;\n/**\n * Splits an array into sub-non-empty-arrays stored in an object, based on the result of calling a `string`-returning\n * function on each element, and grouping the results according to values returned\n *\n * @example\n * import { cons, groupBy } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(groupBy((s: string) => String(s.length))(['foo', 'bar', 'foobar']), {\n * '3': cons('foo', ['bar']),\n * '6': cons('foobar', [])\n * })\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction groupBy(f) {\n return function (as) {\n var r = {};\n for (var _i = 0, as_1 = as; _i < as_1.length; _i++) {\n var a = as_1[_i];\n var k = f(a);\n if (r.hasOwnProperty(k)) {\n r[k].push(a);\n }\n else {\n r[k] = [a];\n }\n }\n return r;\n };\n}\nexports.groupBy = groupBy;\n/**\n * @since 2.5.0\n */\nfunction last(nea) {\n return nea[nea.length - 1];\n}\nexports.last = last;\n/**\n * Get all but the last element of a non empty array, creating a new array.\n *\n * @example\n * import { init } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(init([1, 2, 3]), [1, 2])\n * assert.deepStrictEqual(init([1]), [])\n *\n * @since 2.5.0\n */\nfunction init(nea) {\n return nea.slice(0, -1);\n}\nexports.init = init;\n/**\n * @category combinators\n * @since 2.5.0\n */\nfunction sort(O) {\n return RA.sort(O);\n}\nexports.sort = sort;\n/**\n * @since 2.5.0\n */\nfunction insertAt(i, a) {\n return RA.insertAt(i, a);\n}\nexports.insertAt = insertAt;\n/**\n * @since 2.5.0\n */\nfunction updateAt(i, a) {\n return RA.updateAt(i, a);\n}\nexports.updateAt = updateAt;\n/**\n * @since 2.5.0\n */\nfunction modifyAt(i, f) {\n return RA.modifyAt(i, f);\n}\nexports.modifyAt = modifyAt;\nfunction filter(predicate) {\n return filterWithIndex(function (_, a) { return predicate(a); });\n}\nexports.filter = filter;\n/**\n * @since 2.5.0\n */\nfunction filterWithIndex(predicate) {\n return function (nea) { return fromReadonlyArray(nea.filter(function (a, i) { return predicate(i, a); })); };\n}\nexports.filterWithIndex = filterWithIndex;\n/**\n * Wrap a value into the type constructor.\n *\n * @category Applicative\n * @since 2.5.0\n */\nexports.of = RA.of;\nfunction concat(fx, fy) {\n return fx.concat(fy);\n}\nexports.concat = concat;\n/**\n * @since 2.5.0\n */\nfunction fold(S) {\n return function (fa) { return fa.reduce(S.concat); };\n}\nexports.fold = fold;\n/**\n * @category combinators\n * @since 2.5.1\n */\nexports.zipWith = RA.zipWith;\n/**\n * @category combinators\n * @since 2.5.1\n */\nexports.zip = RA.zip;\n/**\n * @since 2.5.1\n */\nexports.unzip = RA.unzip;\n/**\n * Prepend an element to every member of an array\n *\n * @example\n * import { cons, prependToAll } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(prependToAll(9)(cons(1, [2, 3, 4])), cons(9, [1, 9, 2, 9, 3, 9, 4]))\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.prependToAll = RA.prependToAll;\n/**\n * Places an element in between members of an array\n *\n * @example\n * import { cons, intersperse } from 'fp-ts/ReadonlyNonEmptyArray'\n *\n * assert.deepStrictEqual(intersperse(9)(cons(1, [2, 3, 4])), cons(1, [9, 2, 9, 3, 9, 4]))\n *\n * @category combinators\n * @since 2.9.0\n */\nexports.intersperse = RA.intersperse;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = RA.Functor.map;\nvar mapWithIndex_ = RA.FunctorWithIndex.mapWithIndex;\nvar ap_ = RA.Applicative.ap;\nvar chain_ = RA.Monad.chain;\nvar extend_ = RA.Extend.extend;\nvar reduce_ = RA.Foldable.reduce;\nvar foldMap_ = RA.Foldable.foldMap;\nvar reduceRight_ = RA.Foldable.reduceRight;\nvar traverse_ = RA.Traversable.traverse;\nvar alt_ = RA.Alt.alt;\nvar reduceWithIndex_ = RA.FoldableWithIndex.reduceWithIndex;\nvar foldMapWithIndex_ = RA.FoldableWithIndex\n .foldMapWithIndex;\nvar reduceRightWithIndex_ = RA.FoldableWithIndex\n .reduceRightWithIndex;\nvar traverseWithIndex_ = RA.TraversableWithIndex\n .traverseWithIndex;\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nvar foldMapWithIndex = function (S) { return function (f) { return function (fa) { return fa.slice(1).reduce(function (s, a, i) { return S.concat(s, f(i + 1, a)); }, f(0, fa[0])); }; }; };\nexports.foldMapWithIndex = foldMapWithIndex;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar foldMap = function (S) { return function (f) { return function (fa) {\n return fa.slice(1).reduce(function (s, a) { return S.concat(s, f(a)); }, f(fa[0]));\n}; }; };\nexports.foldMap = foldMap;\n/**\n * Less strict version of [`alt`](#alt).\n *\n * @category Alt\n * @since 2.9.0\n */\nexports.altW = RA.altW;\n/**\n * Identifies an associative operation on a type constructor. It is similar to `Semigroup`, except that it applies to\n * types of kind `* -> *`.\n *\n * @category Alt\n * @since 2.6.2\n */\nexports.alt = RA.alt;\n/**\n * @category Apply\n * @since 2.5.0\n */\nexports.ap = RA.ap;\n/**\n * Combine two effectful actions, keeping only the result of the first.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.apFirst = RA.apFirst;\n/**\n * Combine two effectful actions, keeping only the result of the second.\n *\n * Derivable from `Apply`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.apSecond = RA.apSecond;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation.\n *\n * @category Monad\n * @since 2.5.0\n */\nexports.chain = RA.chain;\n/**\n * Composes computations in sequence, using the return value of one computation to determine the next computation and\n * keeping only the result of the first.\n *\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.chainFirst = RA.chainFirst;\n/**\n * Derivable from `Extend`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.duplicate = RA.duplicate;\n/**\n * @category Extend\n * @since 2.5.0\n */\nexports.extend = RA.extend;\n/**\n * Derivable from `Monad`.\n *\n * @category combinators\n * @since 2.5.0\n */\nexports.flatten = RA.flatten;\n/**\n * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F) => F` whose argument and return types\n * use the type constructor `F` to represent some computational context.\n *\n * @category Functor\n * @since 2.5.0\n */\nexports.map = RA.map;\n/**\n * @category FunctorWithIndex\n * @since 2.5.0\n */\nexports.mapWithIndex = RA.mapWithIndex;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nexports.reduce = RA.reduce;\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nexports.reduceWithIndex = RA.reduceWithIndex;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nexports.reduceRight = RA.reduceRight;\n/**\n * @category FoldableWithIndex\n * @since 2.5.0\n */\nexports.reduceRightWithIndex = RA.reduceRightWithIndex;\n/**\n * @since 2.6.3\n */\nexports.traverse = RA.traverse;\n/**\n * @since 2.6.3\n */\nexports.sequence = RA.sequence;\n/**\n * @since 2.6.3\n */\nexports.traverseWithIndex = RA.traverseWithIndex;\n/**\n * @since 2.6.3\n */\nexports.extract = head;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.URI = 'ReadonlyNonEmptyArray';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Applicative = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Monad = {\n URI: exports.URI,\n map: map_,\n ap: ap_,\n of: exports.of,\n chain: chain_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Alt = {\n URI: exports.URI,\n map: map_,\n alt: alt_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Comonad = {\n URI: exports.URI,\n map: map_,\n extend: extend_,\n extract: exports.extract\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.readonlyNonEmptyArray = {\n URI: exports.URI,\n of: exports.of,\n map: map_,\n mapWithIndex: mapWithIndex_,\n ap: ap_,\n chain: chain_,\n extend: extend_,\n extract: exports.extract,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: exports.sequence,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n alt: alt_\n};\n// -------------------------------------------------------------------------------------\n// do notation\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.9.0\n */\nexports.Do = \n/*#__PURE__*/\nexports.of({});\n/**\n * @since 2.8.0\n */\nvar bindTo = function (name) { return exports.map(function_1.bindTo_(name)); };\nexports.bindTo = bindTo;\n/**\n * @since 2.8.0\n */\nvar bind = function (name, f) {\n return exports.chain(function (a) {\n return function_1.pipe(f(a), exports.map(function (b) { return function_1.bind_(a, name, b); }));\n });\n};\nexports.bind = bind;\n// -------------------------------------------------------------------------------------\n// pipeable sequence S\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.8.0\n */\nvar apS = function (name, fb) {\n return function_1.flow(exports.map(function (a) { return function (b) { return function_1.bind_(a, name, b); }; }), exports.ap(fb));\n};\nexports.apS = apS;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.URI = exports.separate = exports.compact = exports.reduceRight = exports.foldMap = exports.reduce = exports.partitionMap = exports.partition = exports.filterMap = exports.filter = exports.elem = exports.some = exports.every = exports.fromFoldableMap = exports.fromFoldable = exports.filterWithIndex = exports.filterMapWithIndex = exports.partitionWithIndex = exports.partitionMapWithIndex = exports.wilt = exports.wither = exports.sequence = exports.traverse = exports.traverseWithIndex = exports.singleton = exports.reduceRightWithIndex = exports.foldMapWithIndex = exports.reduceWithIndex = exports.map = exports.mapWithIndex = exports.empty = exports.lookup = exports.getMonoid = exports.getEq = exports.isSubrecord = exports.pop = exports.modifyAt = exports.updateAt = exports.deleteAt = exports.hasOwnProperty = exports.insertAt = exports.toUnfoldable = exports.toReadonlyArray = exports.collect = exports.keys = exports.isEmpty = exports.size = exports.getShow = exports.toRecord = exports.fromRecord = void 0;\nexports.readonlyRecord = exports.Witherable = exports.TraversableWithIndex = exports.Traversable = exports.FilterableWithIndex = exports.Filterable = exports.Compactable = exports.FoldableWithIndex = exports.Foldable = exports.FunctorWithIndex = exports.Functor = void 0;\nvar Eq_1 = require(\"./Eq\");\nvar function_1 = require(\"./function\");\nvar Option_1 = require(\"./Option\");\n/**\n * @category constructors\n * @since 2.5.0\n */\nfunction fromRecord(r) {\n return Object.assign({}, r);\n}\nexports.fromRecord = fromRecord;\n/**\n * @category destructors\n * @since 2.5.0\n */\nfunction toRecord(r) {\n return Object.assign({}, r);\n}\nexports.toRecord = toRecord;\n/**\n * @category instances\n * @since 2.5.0\n */\nfunction getShow(S) {\n return {\n show: function (r) {\n var elements = collect(function (k, a) { return JSON.stringify(k) + \": \" + S.show(a); })(r).join(', ');\n return elements === '' ? '{}' : \"{ \" + elements + \" }\";\n }\n };\n}\nexports.getShow = getShow;\n/**\n * Calculate the number of key/value pairs in a record\n *\n * @since 2.5.0\n */\nfunction size(r) {\n return Object.keys(r).length;\n}\nexports.size = size;\n/**\n * Test whether a record is empty\n *\n * @since 2.5.0\n */\nfunction isEmpty(r) {\n return Object.keys(r).length === 0;\n}\nexports.isEmpty = isEmpty;\n/**\n * @since 2.5.0\n */\nfunction keys(r) {\n return Object.keys(r).sort();\n}\nexports.keys = keys;\n/**\n * Map a record into an array\n *\n * @example\n * import {collect} from 'fp-ts/ReadonlyRecord'\n *\n * const x: { a: string, b: boolean } = { a: 'foo', b: false }\n * assert.deepStrictEqual(\n * collect((key, val) => ({key: key, value: val}))(x),\n * [{key: 'a', value: 'foo'}, {key: 'b', value: false}]\n * )\n *\n * @since 2.5.0\n */\nfunction collect(f) {\n return function (r) {\n // tslint:disable-next-line: readonly-array\n var out = [];\n for (var _i = 0, _a = keys(r); _i < _a.length; _i++) {\n var key = _a[_i];\n out.push(f(key, r[key]));\n }\n return out;\n };\n}\nexports.collect = collect;\n/**\n * @category destructors\n * @since 2.5.0\n */\nexports.toReadonlyArray = \n/*#__PURE__*/\ncollect(function (k, a) { return [k, a]; });\nfunction toUnfoldable(U) {\n return function (r) {\n var arr = exports.toReadonlyArray(r);\n var len = arr.length;\n return U.unfold(0, function (b) { return (b < len ? Option_1.some([arr[b], b + 1]) : Option_1.none); });\n };\n}\nexports.toUnfoldable = toUnfoldable;\nfunction insertAt(k, a) {\n return function (r) {\n if (r[k] === a) {\n return r;\n }\n var out = Object.assign({}, r);\n out[k] = a;\n return out;\n };\n}\nexports.insertAt = insertAt;\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwnProperty(k, r) {\n return _hasOwnProperty.call(r === undefined ? this : r, k);\n}\nexports.hasOwnProperty = hasOwnProperty;\nfunction deleteAt(k) {\n return function (r) {\n if (!_hasOwnProperty.call(r, k)) {\n return r;\n }\n var out = Object.assign({}, r);\n delete out[k];\n return out;\n };\n}\nexports.deleteAt = deleteAt;\n/**\n * @since 2.5.0\n */\nfunction updateAt(k, a) {\n return function (r) {\n if (!hasOwnProperty(k, r)) {\n return Option_1.none;\n }\n if (r[k] === a) {\n return Option_1.some(r);\n }\n var out = Object.assign({}, r);\n out[k] = a;\n return Option_1.some(out);\n };\n}\nexports.updateAt = updateAt;\n/**\n * @since 2.5.0\n */\nfunction modifyAt(k, f) {\n return function (r) {\n if (!hasOwnProperty(k, r)) {\n return Option_1.none;\n }\n var out = Object.assign({}, r);\n out[k] = f(r[k]);\n return Option_1.some(out);\n };\n}\nexports.modifyAt = modifyAt;\nfunction pop(k) {\n var deleteAtk = deleteAt(k);\n return function (r) {\n var oa = lookup(k, r);\n return Option_1.isNone(oa) ? Option_1.none : Option_1.some([oa.value, deleteAtk(r)]);\n };\n}\nexports.pop = pop;\nfunction isSubrecord(E) {\n return function (me, that) {\n if (that === undefined) {\n var isSubrecordE_1 = isSubrecord(E);\n return function (that) { return isSubrecordE_1(that, me); };\n }\n for (var k in me) {\n if (!_hasOwnProperty.call(that, k) || !E.equals(me[k], that[k])) {\n return false;\n }\n }\n return true;\n };\n}\nexports.isSubrecord = isSubrecord;\nfunction getEq(E) {\n var isSubrecordE = isSubrecord(E);\n return Eq_1.fromEquals(function (x, y) { return isSubrecordE(x)(y) && isSubrecordE(y)(x); });\n}\nexports.getEq = getEq;\nfunction getMonoid(S) {\n return {\n concat: function (x, y) {\n if (x === exports.empty) {\n return y;\n }\n if (y === exports.empty) {\n return x;\n }\n var keys = Object.keys(y);\n var len = keys.length;\n if (len === 0) {\n return x;\n }\n var r = Object.assign({}, x);\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n r[k] = _hasOwnProperty.call(x, k) ? S.concat(x[k], y[k]) : y[k];\n }\n return r;\n },\n empty: exports.empty\n };\n}\nexports.getMonoid = getMonoid;\nfunction lookup(k, r) {\n if (r === undefined) {\n return function (r) { return lookup(k, r); };\n }\n return _hasOwnProperty.call(r, k) ? Option_1.some(r[k]) : Option_1.none;\n}\nexports.lookup = lookup;\n/**\n * @since 2.5.0\n */\nexports.empty = {};\nfunction mapWithIndex(f) {\n return function (fa) {\n var out = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {\n var key = keys_1[_i];\n out[key] = f(key, fa[key]);\n }\n return out;\n };\n}\nexports.mapWithIndex = mapWithIndex;\nfunction map(f) {\n return mapWithIndex(function (_, a) { return f(a); });\n}\nexports.map = map;\nfunction reduceWithIndex(b, f) {\n return function (fa) {\n var out = b;\n var ks = keys(fa);\n var len = ks.length;\n for (var i = 0; i < len; i++) {\n var k = ks[i];\n out = f(k, out, fa[k]);\n }\n return out;\n };\n}\nexports.reduceWithIndex = reduceWithIndex;\nfunction foldMapWithIndex(M) {\n return function (f) { return function (fa) {\n var out = M.empty;\n var ks = keys(fa);\n var len = ks.length;\n for (var i = 0; i < len; i++) {\n var k = ks[i];\n out = M.concat(out, f(k, fa[k]));\n }\n return out;\n }; };\n}\nexports.foldMapWithIndex = foldMapWithIndex;\nfunction reduceRightWithIndex(b, f) {\n return function (fa) {\n var out = b;\n var ks = keys(fa);\n var len = ks.length;\n for (var i = len - 1; i >= 0; i--) {\n var k = ks[i];\n out = f(k, fa[k], out);\n }\n return out;\n };\n}\nexports.reduceRightWithIndex = reduceRightWithIndex;\n/**\n * Create a record with one key/value pair\n *\n * @category constructors\n * @since 2.5.0\n */\nfunction singleton(k, a) {\n var _a;\n return _a = {}, _a[k] = a, _a;\n}\nexports.singleton = singleton;\nfunction traverseWithIndex(F) {\n return function (f) { return function (ta) {\n var ks = keys(ta);\n if (ks.length === 0) {\n return F.of(exports.empty);\n }\n var fr = F.of({});\n var _loop_1 = function (key) {\n fr = F.ap(F.map(fr, function (r) { return function (b) {\n r[key] = b;\n return r;\n }; }), f(key, ta[key]));\n };\n for (var _i = 0, ks_1 = ks; _i < ks_1.length; _i++) {\n var key = ks_1[_i];\n _loop_1(key);\n }\n return fr;\n }; };\n}\nexports.traverseWithIndex = traverseWithIndex;\nfunction traverse(F) {\n var traverseWithIndexF = traverseWithIndex(F);\n return function (f) { return traverseWithIndexF(function (_, a) { return f(a); }); };\n}\nexports.traverse = traverse;\nfunction sequence(F) {\n return traverseWithIndex(F)(function (_, a) { return a; });\n}\nexports.sequence = sequence;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wither = function (F) {\n var traverseF = traverse(F);\n return function (f) { return function (fa) { return F.map(function_1.pipe(fa, traverseF(f)), exports.compact); }; };\n};\nexports.wither = wither;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nvar wilt = function (F) {\n var traverseF = traverse(F);\n return function (f) { return function (fa) { return F.map(function_1.pipe(fa, traverseF(f)), exports.separate); }; };\n};\nexports.wilt = wilt;\nfunction partitionMapWithIndex(f) {\n return function (fa) {\n var left = {};\n var right = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_2 = keys; _i < keys_2.length; _i++) {\n var key = keys_2[_i];\n var e = f(key, fa[key]);\n switch (e._tag) {\n case 'Left':\n left[key] = e.left;\n break;\n case 'Right':\n right[key] = e.right;\n break;\n }\n }\n return {\n left: left,\n right: right\n };\n };\n}\nexports.partitionMapWithIndex = partitionMapWithIndex;\nfunction partitionWithIndex(predicateWithIndex) {\n return function (fa) {\n var left = {};\n var right = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_3 = keys; _i < keys_3.length; _i++) {\n var key = keys_3[_i];\n var a = fa[key];\n if (predicateWithIndex(key, a)) {\n right[key] = a;\n }\n else {\n left[key] = a;\n }\n }\n return {\n left: left,\n right: right\n };\n };\n}\nexports.partitionWithIndex = partitionWithIndex;\nfunction filterMapWithIndex(f) {\n return function (fa) {\n var r = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_4 = keys; _i < keys_4.length; _i++) {\n var key = keys_4[_i];\n var optionB = f(key, fa[key]);\n if (Option_1.isSome(optionB)) {\n r[key] = optionB.value;\n }\n }\n return r;\n };\n}\nexports.filterMapWithIndex = filterMapWithIndex;\nfunction filterWithIndex(predicateWithIndex) {\n return function (fa) {\n var out = {};\n var changed = false;\n for (var key in fa) {\n if (_hasOwnProperty.call(fa, key)) {\n var a = fa[key];\n if (predicateWithIndex(key, a)) {\n out[key] = a;\n }\n else {\n changed = true;\n }\n }\n }\n return changed ? out : fa;\n };\n}\nexports.filterWithIndex = filterWithIndex;\nfunction fromFoldable(M, F) {\n var fromFoldableMapM = fromFoldableMap(M, F);\n return function (fka) { return fromFoldableMapM(fka, function_1.identity); };\n}\nexports.fromFoldable = fromFoldable;\nfunction fromFoldableMap(M, F) {\n return function (ta, f) {\n return F.reduce(ta, {}, function (r, a) {\n var _a = f(a), k = _a[0], b = _a[1];\n r[k] = _hasOwnProperty.call(r, k) ? M.concat(r[k], b) : b;\n return r;\n });\n };\n}\nexports.fromFoldableMap = fromFoldableMap;\n/**\n * @since 2.5.0\n */\nfunction every(predicate) {\n return function (r) {\n for (var k in r) {\n if (!predicate(r[k])) {\n return false;\n }\n }\n return true;\n };\n}\nexports.every = every;\n/**\n * @since 2.5.0\n */\nfunction some(predicate) {\n return function (r) {\n for (var k in r) {\n if (predicate(r[k])) {\n return true;\n }\n }\n return false;\n };\n}\nexports.some = some;\nfunction elem(E) {\n return function (a, fa) {\n if (fa === undefined) {\n var elemE_1 = elem(E);\n return function (fa) { return elemE_1(a, fa); };\n }\n for (var k in fa) {\n if (E.equals(fa[k], a)) {\n return true;\n }\n }\n return false;\n };\n}\nexports.elem = elem;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = function (fa, f) { return function_1.pipe(fa, map(f)); };\n/* istanbul ignore next */\nvar mapWithIndex_ = function (fa, f) { return function_1.pipe(fa, mapWithIndex(f)); };\n/* istanbul ignore next */\nvar reduce_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduce(b, f)); };\n/* istanbul ignore next */\nvar foldMap_ = function (M) {\n var foldMapM = exports.foldMap(M);\n return function (fa, f) { return function_1.pipe(fa, foldMapM(f)); };\n};\n/* istanbul ignore next */\nvar reduceRight_ = function (fa, b, f) { return function_1.pipe(fa, exports.reduceRight(b, f)); };\n/* istanbul ignore next */\nvar traverse_ = function (F) {\n var traverseF = traverse(F);\n return function (ta, f) { return function_1.pipe(ta, traverseF(f)); };\n};\n/* istanbul ignore next */\nvar filter_ = function (fa, predicate) {\n return function_1.pipe(fa, exports.filter(predicate));\n};\n/* istanbul ignore next */\nvar filterMap_ = function (fa, f) { return function_1.pipe(fa, exports.filterMap(f)); };\n/* istanbul ignore next */\nvar partition_ = function (fa, predicate) { return function_1.pipe(fa, exports.partition(predicate)); };\n/* istanbul ignore next */\nvar partitionMap_ = function (fa, f) { return function_1.pipe(fa, exports.partitionMap(f)); };\n/* istanbul ignore next */\nvar reduceWithIndex_ = function (fa, b, f) {\n return function_1.pipe(fa, reduceWithIndex(b, f));\n};\n/* istanbul ignore next */\nvar foldMapWithIndex_ = function (M) {\n var foldMapWithIndexM = foldMapWithIndex(M);\n return function (fa, f) { return function_1.pipe(fa, foldMapWithIndexM(f)); };\n};\n/* istanbul ignore next */\nvar reduceRightWithIndex_ = function (fa, b, f) {\n return function_1.pipe(fa, reduceRightWithIndex(b, f));\n};\n/* istanbul ignore next */\nvar partitionMapWithIndex_ = function (fa, f) { return function_1.pipe(fa, partitionMapWithIndex(f)); };\n/* istanbul ignore next */\nvar partitionWithIndex_ = function (fa, predicateWithIndex) {\n return function_1.pipe(fa, partitionWithIndex(predicateWithIndex));\n};\n/* istanbul ignore next */\nvar filterMapWithIndex_ = function (fa, f) {\n return function_1.pipe(fa, filterMapWithIndex(f));\n};\n/* istanbul ignore next */\nvar filterWithIndex_ = function (fa, predicateWithIndex) {\n return function_1.pipe(fa, filterWithIndex(predicateWithIndex));\n};\n/* istanbul ignore next */\nvar traverseWithIndex_ = function (F) {\n var traverseWithIndexF = traverseWithIndex(F);\n return function (ta, f) { return function_1.pipe(ta, traverseWithIndexF(f)); };\n};\n/* istanbul ignore next */\nvar wither_ = function (F) {\n var witherF = exports.wither(F);\n return function (fa, f) { return function_1.pipe(fa, witherF(f)); };\n};\n/* istanbul ignore next */\nvar wilt_ = function (F) {\n var wiltF = exports.wilt(F);\n return function (fa, f) { return function_1.pipe(fa, wiltF(f)); };\n};\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar filter = function (predicate) {\n return filterWithIndex(function (_, a) { return predicate(a); });\n};\nexports.filter = filter;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar filterMap = function (f) { return filterMapWithIndex(function (_, a) { return f(a); }); };\nexports.filterMap = filterMap;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar partition = function (predicate) {\n return partitionWithIndex(function (_, a) { return predicate(a); });\n};\nexports.partition = partition;\n/**\n * @category Filterable\n * @since 2.5.0\n */\nvar partitionMap = function (f) {\n return partitionMapWithIndex(function (_, a) { return f(a); });\n};\nexports.partitionMap = partitionMap;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar reduce = function (b, f) {\n return reduceWithIndex(b, function (_, b, a) { return f(b, a); });\n};\nexports.reduce = reduce;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar foldMap = function (M) {\n var foldMapWithIndexM = foldMapWithIndex(M);\n return function (f) { return foldMapWithIndexM(function (_, a) { return f(a); }); };\n};\nexports.foldMap = foldMap;\n/**\n * @category Foldable\n * @since 2.5.0\n */\nvar reduceRight = function (b, f) {\n return reduceRightWithIndex(b, function (_, a, b) { return f(a, b); });\n};\nexports.reduceRight = reduceRight;\n/**\n * @category Compactable\n * @since 2.5.0\n */\nvar compact = function (fa) {\n var r = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_5 = keys; _i < keys_5.length; _i++) {\n var key = keys_5[_i];\n var optionA = fa[key];\n if (Option_1.isSome(optionA)) {\n r[key] = optionA.value;\n }\n }\n return r;\n};\nexports.compact = compact;\n/**\n * @category Compactable\n * @since 2.5.0\n */\nvar separate = function (fa) {\n var left = {};\n var right = {};\n var keys = Object.keys(fa);\n for (var _i = 0, keys_6 = keys; _i < keys_6.length; _i++) {\n var key = keys_6[_i];\n var e = fa[key];\n switch (e._tag) {\n case 'Left':\n left[key] = e.left;\n break;\n case 'Right':\n right[key] = e.right;\n break;\n }\n }\n return {\n left: left,\n right: right\n };\n};\nexports.separate = separate;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.URI = 'ReadonlyRecord';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Compactable = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Filterable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FilterableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverse: traverse_,\n sequence: sequence,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Witherable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n wither: wither_,\n wilt: wilt_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.5.0\n */\nexports.readonlyRecord = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n mapWithIndex: mapWithIndex_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n wither: wither_,\n wilt: wilt_\n};\n","\"use strict\";\nvar __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\n}) : (function(o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n}));\nvar __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\n}) : function(o, v) {\n o[\"default\"] = v;\n});\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n __setModuleDefault(result, mod);\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.FunctorWithIndex = exports.Functor = exports.URI = exports.separate = exports.compact = exports.reduceRight = exports.reduce = exports.partitionMap = exports.partition = exports.foldMap = exports.filterMap = exports.filter = exports.elem = exports.some = exports.every = exports.fromFoldableMap = exports.fromFoldable = exports.filterWithIndex = exports.filterMapWithIndex = exports.partitionWithIndex = exports.partitionMapWithIndex = exports.wilt = exports.wither = exports.sequence = exports.traverse = exports.traverseWithIndex = exports.singleton = exports.reduceRightWithIndex = exports.foldMapWithIndex = exports.reduceWithIndex = exports.map = exports.mapWithIndex = exports.empty = exports.lookup = exports.getMonoid = exports.getEq = exports.isSubrecord = exports.pop = exports.modifyAt = exports.updateAt = exports.deleteAt = exports.hasOwnProperty = exports.insertAt = exports.toUnfoldable = exports.toArray = exports.collect = exports.keys = exports.isEmpty = exports.size = exports.getShow = void 0;\nexports.record = exports.Witherable = exports.TraversableWithIndex = exports.Traversable = exports.FilterableWithIndex = exports.Filterable = exports.Compactable = exports.FoldableWithIndex = exports.Foldable = void 0;\nvar RR = __importStar(require(\"./ReadonlyRecord\"));\n/* tslint:disable:readonly-array */\n// -------------------------------------------------------------------------------------\n// model\n// -------------------------------------------------------------------------------------\n/**\n * @since 2.0.0\n */\nexports.getShow = RR.getShow;\n/**\n * Calculate the number of key/value pairs in a record\n *\n * @since 2.0.0\n */\nexports.size = RR.size;\n/**\n * Test whether a record is empty\n *\n * @since 2.0.0\n */\nexports.isEmpty = RR.isEmpty;\n/**\n * @since 2.0.0\n */\nexports.keys = RR.keys;\n/**\n * Map a record into an array\n *\n * @example\n * import {collect} from 'fp-ts/Record'\n *\n * const x: { a: string, b: boolean } = { a: 'foo', b: false }\n * assert.deepStrictEqual(\n * collect((key, val) => ({key: key, value: val}))(x),\n * [{key: 'a', value: 'foo'}, {key: 'b', value: false}]\n * )\n *\n * @since 2.0.0\n */\nexports.collect = RR.collect;\n/**\n * @since 2.0.0\n */\nexports.toArray = RR.toReadonlyArray;\nfunction toUnfoldable(U) {\n return RR.toUnfoldable(U);\n}\nexports.toUnfoldable = toUnfoldable;\nfunction insertAt(k, a) {\n return RR.insertAt(k, a);\n}\nexports.insertAt = insertAt;\n/**\n * @since 2.0.0\n */\nexports.hasOwnProperty = RR.hasOwnProperty;\nfunction deleteAt(k) {\n return RR.deleteAt(k);\n}\nexports.deleteAt = deleteAt;\n/**\n * @since 2.0.0\n */\nexports.updateAt = RR.updateAt;\n/**\n * @since 2.0.0\n */\nexports.modifyAt = RR.modifyAt;\nfunction pop(k) {\n return RR.pop(k);\n}\nexports.pop = pop;\n// TODO: remove non-curried overloading in v3\n/**\n * Test whether one record contains all of the keys and values contained in another record\n *\n * @since 2.0.0\n */\nexports.isSubrecord = RR.isSubrecord;\nfunction getEq(E) {\n return RR.getEq(E);\n}\nexports.getEq = getEq;\nfunction getMonoid(S) {\n return RR.getMonoid(S);\n}\nexports.getMonoid = getMonoid;\n// TODO: remove non-curried overloading in v3\n/**\n * Lookup the value for a key in a record\n *\n * @since 2.0.0\n */\nexports.lookup = RR.lookup;\n/**\n * @since 2.0.0\n */\nexports.empty = {};\nfunction mapWithIndex(f) {\n return RR.mapWithIndex(f);\n}\nexports.mapWithIndex = mapWithIndex;\nfunction map(f) {\n return RR.map(f);\n}\nexports.map = map;\nfunction reduceWithIndex(b, f) {\n return RR.reduceWithIndex(b, f);\n}\nexports.reduceWithIndex = reduceWithIndex;\nfunction foldMapWithIndex(M) {\n return RR.foldMapWithIndex(M);\n}\nexports.foldMapWithIndex = foldMapWithIndex;\nfunction reduceRightWithIndex(b, f) {\n return RR.reduceRightWithIndex(b, f);\n}\nexports.reduceRightWithIndex = reduceRightWithIndex;\n/**\n * Create a record with one key/value pair\n *\n * @since 2.0.0\n */\nexports.singleton = RR.singleton;\nfunction traverseWithIndex(F) {\n return RR.traverseWithIndex(F);\n}\nexports.traverseWithIndex = traverseWithIndex;\nfunction traverse(F) {\n return RR.traverse(F);\n}\nexports.traverse = traverse;\nfunction sequence(F) {\n return RR.sequence(F);\n}\nexports.sequence = sequence;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nexports.wither = RR.wither;\n/**\n * @category Witherable\n * @since 2.6.5\n */\nexports.wilt = RR.wilt;\nfunction partitionMapWithIndex(f) {\n return RR.partitionMapWithIndex(f);\n}\nexports.partitionMapWithIndex = partitionMapWithIndex;\nfunction partitionWithIndex(predicateWithIndex) {\n return RR.partitionWithIndex(predicateWithIndex);\n}\nexports.partitionWithIndex = partitionWithIndex;\nfunction filterMapWithIndex(f) {\n return RR.filterMapWithIndex(f);\n}\nexports.filterMapWithIndex = filterMapWithIndex;\nfunction filterWithIndex(predicateWithIndex) {\n return RR.filterWithIndex(predicateWithIndex);\n}\nexports.filterWithIndex = filterWithIndex;\nfunction fromFoldable(M, F) {\n return RR.fromFoldable(M, F);\n}\nexports.fromFoldable = fromFoldable;\nfunction fromFoldableMap(M, F) {\n return RR.fromFoldableMap(M, F);\n}\nexports.fromFoldableMap = fromFoldableMap;\n/**\n * @since 2.0.0\n */\nexports.every = RR.every;\n/**\n * @since 2.0.0\n */\nexports.some = RR.some;\n// TODO: remove non-curried overloading in v3\n/**\n * @since 2.0.0\n */\nexports.elem = RR.elem;\n// -------------------------------------------------------------------------------------\n// non-pipeables\n// -------------------------------------------------------------------------------------\nvar map_ = RR.Functor.map;\nvar mapWithIndex_ = RR.FunctorWithIndex.mapWithIndex;\nvar reduce_ = RR.Foldable.reduce;\nvar foldMap_ = RR.Foldable.foldMap;\nvar reduceRight_ = RR.Foldable.reduceRight;\nvar reduceWithIndex_ = RR.FoldableWithIndex.reduceWithIndex;\nvar foldMapWithIndex_ = RR.FoldableWithIndex.foldMapWithIndex;\nvar reduceRightWithIndex_ = RR.FoldableWithIndex.reduceRightWithIndex;\nvar filter_ = RR.Filterable.filter;\nvar filterMap_ = RR.Filterable.filterMap;\nvar partition_ = RR.Filterable.partition;\nvar partitionMap_ = RR.Filterable.partitionMap;\nvar filterWithIndex_ = RR.FilterableWithIndex\n .filterWithIndex;\nvar filterMapWithIndex_ = RR.FilterableWithIndex.filterMapWithIndex;\nvar partitionWithIndex_ = RR.FilterableWithIndex\n .partitionWithIndex;\nvar partitionMapWithIndex_ = RR.FilterableWithIndex.partitionMapWithIndex;\nvar traverseWithIndex_ = RR.TraversableWithIndex\n .traverseWithIndex;\nvar wither_ = RR.Witherable.wither;\nvar wilt_ = RR.Witherable.wilt;\nvar traverse_ = function (F) {\n var traverseF = traverse(F);\n return function (ta, f) { return traverseF(f)(ta); };\n};\n// -------------------------------------------------------------------------------------\n// pipeables\n// -------------------------------------------------------------------------------------\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.filter = RR.filter;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.filterMap = RR.filterMap;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.foldMap = RR.foldMap;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.partition = RR.partition;\n/**\n * @category Filterable\n * @since 2.0.0\n */\nexports.partitionMap = RR.partitionMap;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduce = RR.reduce;\n/**\n * @category Foldable\n * @since 2.0.0\n */\nexports.reduceRight = RR.reduceRight;\n/**\n * @category Compactable\n * @since 2.0.0\n */\nexports.compact = RR.compact;\n/**\n * @category Compactable\n * @since 2.0.0\n */\nexports.separate = RR.separate;\n// -------------------------------------------------------------------------------------\n// instances\n// -------------------------------------------------------------------------------------\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.URI = 'Record';\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Functor = {\n URI: exports.URI,\n map: map_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FunctorWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Foldable = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FoldableWithIndex = {\n URI: exports.URI,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Compactable = {\n URI: exports.URI,\n compact: exports.compact,\n separate: exports.separate\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Filterable = {\n URI: exports.URI,\n map: map_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.FilterableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Traversable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.TraversableWithIndex = {\n URI: exports.URI,\n map: map_,\n mapWithIndex: mapWithIndex_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n traverse: traverse_,\n sequence: sequence,\n traverseWithIndex: traverseWithIndex_\n};\n/**\n * @category instances\n * @since 2.7.0\n */\nexports.Witherable = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n wither: wither_,\n wilt: wilt_\n};\n// TODO: remove in v3\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.record = {\n URI: exports.URI,\n map: map_,\n reduce: reduce_,\n foldMap: foldMap_,\n reduceRight: reduceRight_,\n traverse: traverse_,\n sequence: sequence,\n compact: exports.compact,\n separate: exports.separate,\n filter: filter_,\n filterMap: filterMap_,\n partition: partition_,\n partitionMap: partitionMap_,\n mapWithIndex: mapWithIndex_,\n reduceWithIndex: reduceWithIndex_,\n foldMapWithIndex: foldMapWithIndex_,\n reduceRightWithIndex: reduceRightWithIndex_,\n filterMapWithIndex: filterMapWithIndex_,\n filterWithIndex: filterWithIndex_,\n partitionMapWithIndex: partitionMapWithIndex_,\n partitionWithIndex: partitionWithIndex_,\n traverseWithIndex: traverseWithIndex_,\n wither: wither_,\n wilt: wilt_\n};\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getIntercalateSemigroup = exports.semigroupVoid = exports.semigroupString = exports.semigroupProduct = exports.semigroupSum = exports.semigroupAny = exports.semigroupAll = exports.getObjectSemigroup = exports.getJoinSemigroup = exports.getMeetSemigroup = exports.getStructSemigroup = exports.getFunctionSemigroup = exports.getDualSemigroup = exports.getTupleSemigroup = exports.getLastSemigroup = exports.getFirstSemigroup = exports.fold = void 0;\n/**\n * If a type `A` can form a `Semigroup` it has an **associative** binary operation.\n *\n * ```ts\n * interface Semigroup {\n * readonly concat: (x: A, y: A) => A\n * }\n * ```\n *\n * Associativity means the following equality must hold for any choice of `x`, `y`, and `z`.\n *\n * ```ts\n * concat(x, concat(y, z)) = concat(concat(x, y), z)\n * ```\n *\n * A common example of a semigroup is the type `string` with the operation `+`.\n *\n * ```ts\n * import { Semigroup } from 'fp-ts/Semigroup'\n *\n * const semigroupString: Semigroup = {\n * concat: (x, y) => x + y\n * }\n *\n * const x = 'x'\n * const y = 'y'\n * const z = 'z'\n *\n * semigroupString.concat(x, y) // 'xy'\n *\n * semigroupString.concat(x, semigroupString.concat(y, z)) // 'xyz'\n *\n * semigroupString.concat(semigroupString.concat(x, y), z) // 'xyz'\n * ```\n *\n * *Adapted from https://typelevel.org/cats*\n *\n * @since 2.0.0\n */\nvar function_1 = require(\"./function\");\nvar Ord_1 = require(\"./Ord\");\nfunction fold(S) {\n return function (startWith, as) {\n if (as === undefined) {\n var foldS_1 = fold(S);\n return function (as) { return foldS_1(startWith, as); };\n }\n return as.reduce(S.concat, startWith);\n };\n}\nexports.fold = fold;\n/**\n * Always return the first argument.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.getFirstSemigroup().concat(1, 2), 1)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getFirstSemigroup() {\n return { concat: function_1.identity };\n}\nexports.getFirstSemigroup = getFirstSemigroup;\n/**\n * Always return the last argument.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.getLastSemigroup().concat(1, 2), 2)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getLastSemigroup() {\n return { concat: function (_, y) { return y; } };\n}\nexports.getLastSemigroup = getLastSemigroup;\n/**\n * Given a tuple of semigroups returns a semigroup for the tuple.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * const S1 = S.getTupleSemigroup(S.semigroupString, S.semigroupSum)\n * assert.deepStrictEqual(S1.concat(['a', 1], ['b', 2]), ['ab', 3])\n *\n * const S2 = S.getTupleSemigroup(S.semigroupString, S.semigroupSum, S.semigroupAll)\n * assert.deepStrictEqual(S2.concat(['a', 1, true], ['b', 2, false]), ['ab', 3, false])\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getTupleSemigroup() {\n var semigroups = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n semigroups[_i] = arguments[_i];\n }\n return {\n concat: function (x, y) { return semigroups.map(function (s, i) { return s.concat(x[i], y[i]); }); }\n };\n}\nexports.getTupleSemigroup = getTupleSemigroup;\n/**\n * The dual of a `Semigroup`, obtained by swapping the arguments of `concat`.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.getDualSemigroup(S.semigroupString).concat('a', 'b'), 'ba')\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getDualSemigroup(S) {\n return {\n concat: function (x, y) { return S.concat(y, x); }\n };\n}\nexports.getDualSemigroup = getDualSemigroup;\n/**\n * Unary functions form a semigroup as long as you can provide a semigroup for the codomain.\n *\n * @example\n * import { Predicate } from 'fp-ts/function'\n * import * as S from 'fp-ts/Semigroup'\n *\n * const f: Predicate = (n) => n <= 2\n * const g: Predicate = (n) => n >= 0\n *\n * const S1 = S.getFunctionSemigroup(S.semigroupAll)()\n *\n * assert.deepStrictEqual(S1.concat(f, g)(1), true)\n * assert.deepStrictEqual(S1.concat(f, g)(3), false)\n *\n * const S2 = S.getFunctionSemigroup(S.semigroupAny)()\n *\n * assert.deepStrictEqual(S2.concat(f, g)(1), true)\n * assert.deepStrictEqual(S2.concat(f, g)(3), true)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getFunctionSemigroup(S) {\n return function () { return ({\n concat: function (f, g) { return function (a) { return S.concat(f(a), g(a)); }; }\n }); };\n}\nexports.getFunctionSemigroup = getFunctionSemigroup;\n/**\n * Given a struct of semigroups returns a semigroup for the struct.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * interface Point {\n * readonly x: number\n * readonly y: number\n * }\n *\n * const semigroupPoint = S.getStructSemigroup({\n * x: S.semigroupSum,\n * y: S.semigroupSum\n * })\n *\n * assert.deepStrictEqual(semigroupPoint.concat({ x: 1, y: 2 }, { x: 3, y: 4 }), { x: 4, y: 6 })\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getStructSemigroup(semigroups) {\n return {\n concat: function (x, y) {\n var r = {};\n for (var _i = 0, _a = Object.keys(semigroups); _i < _a.length; _i++) {\n var key = _a[_i];\n r[key] = semigroups[key].concat(x[key], y[key]);\n }\n return r;\n }\n };\n}\nexports.getStructSemigroup = getStructSemigroup;\n/**\n * Get a semigroup where `concat` will return the minimum, based on the provided order.\n *\n * @example\n * import * as O from 'fp-ts/Ord'\n * import * as S from 'fp-ts/Semigroup'\n *\n * const S1 = S.getMeetSemigroup(O.ordNumber)\n *\n * assert.deepStrictEqual(S1.concat(1, 2), 1)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getMeetSemigroup(O) {\n return {\n concat: Ord_1.min(O)\n };\n}\nexports.getMeetSemigroup = getMeetSemigroup;\n/**\n * Get a semigroup where `concat` will return the maximum, based on the provided order.\n *\n * @example\n * import * as O from 'fp-ts/Ord'\n * import * as S from 'fp-ts/Semigroup'\n *\n * const S1 = S.getJoinSemigroup(O.ordNumber)\n *\n * assert.deepStrictEqual(S1.concat(1, 2), 2)\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getJoinSemigroup(O) {\n return {\n concat: Ord_1.max(O)\n };\n}\nexports.getJoinSemigroup = getJoinSemigroup;\n/**\n * Return a semigroup for objects, preserving their type.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * interface Person {\n * name: string\n * age: number\n * }\n *\n * const S1 = S.getObjectSemigroup()\n * assert.deepStrictEqual(S1.concat({ name: 'name', age: 23 }, { name: 'name', age: 24 }), { name: 'name', age: 24 })\n *\n * @category instances\n * @since 2.0.0\n */\nfunction getObjectSemigroup() {\n return {\n concat: function (x, y) { return Object.assign({}, x, y); }\n };\n}\nexports.getObjectSemigroup = getObjectSemigroup;\n/**\n * `boolean` semigroup under conjunction.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.semigroupAll.concat(true, true), true)\n * assert.deepStrictEqual(S.semigroupAll.concat(true, false), false)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupAll = {\n concat: function (x, y) { return x && y; }\n};\n/**\n * `boolean` semigroup under disjunction.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.semigroupAny.concat(true, true), true)\n * assert.deepStrictEqual(S.semigroupAny.concat(true, false), true)\n * assert.deepStrictEqual(S.semigroupAny.concat(false, false), false)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupAny = {\n concat: function (x, y) { return x || y; }\n};\n/**\n * `number` semigroup under addition.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.semigroupSum.concat(2, 3), 5)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupSum = {\n concat: function (x, y) { return x + y; }\n};\n/**\n * `number` semigroup under multiplication.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.semigroupProduct.concat(2, 3), 6)\n *\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupProduct = {\n concat: function (x, y) { return x * y; }\n};\n/**\n * `string` semigroup under concatenation.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * assert.deepStrictEqual(S.semigroupString.concat('a', 'b'), 'ab')\n *\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupString = {\n concat: function (x, y) { return x + y; }\n};\n/**\n * @category instances\n * @since 2.0.0\n */\nexports.semigroupVoid = {\n concat: function () { return undefined; }\n};\n/**\n * You can glue items between and stay associative.\n *\n * @example\n * import * as S from 'fp-ts/Semigroup'\n *\n * const S1 = S.getIntercalateSemigroup(' ')(S.semigroupString)\n *\n * assert.strictEqual(S1.concat('a', 'b'), 'a b')\n * assert.strictEqual(S1.concat(S1.concat('a', 'b'), 'c'), S1.concat('a', S1.concat('b', 'c')))\n *\n * @category instances\n * @since 2.5.0\n */\nfunction getIntercalateSemigroup(a) {\n return function (S) { return ({\n concat: function (x, y) { return S.concat(x, S.concat(a, y)); }\n }); };\n}\nexports.getIntercalateSemigroup = getIntercalateSemigroup;\n","\"use strict\";\n/**\n * @since 2.0.0\n */\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.bindTo_ = exports.bind_ = exports.hole = exports.pipe = exports.untupled = exports.tupled = exports.absurd = exports.decrement = exports.increment = exports.tuple = exports.flow = exports.flip = exports.constVoid = exports.constUndefined = exports.constNull = exports.constFalse = exports.constTrue = exports.constant = exports.not = exports.unsafeCoerce = exports.identity = void 0;\n/**\n * @since 2.0.0\n */\nfunction identity(a) {\n return a;\n}\nexports.identity = identity;\n/**\n * @since 2.0.0\n */\nexports.unsafeCoerce = identity;\n/**\n * @since 2.0.0\n */\nfunction not(predicate) {\n return function (a) { return !predicate(a); };\n}\nexports.not = not;\n/**\n * @since 2.0.0\n */\nfunction constant(a) {\n return function () { return a; };\n}\nexports.constant = constant;\n/**\n * A thunk that returns always `true`.\n *\n * @since 2.0.0\n */\nexports.constTrue = \n/*#__PURE__*/\nconstant(true);\n/**\n * A thunk that returns always `false`.\n *\n * @since 2.0.0\n */\nexports.constFalse = \n/*#__PURE__*/\nconstant(false);\n/**\n * A thunk that returns always `null`.\n *\n * @since 2.0.0\n */\nexports.constNull = \n/*#__PURE__*/\nconstant(null);\n/**\n * A thunk that returns always `undefined`.\n *\n * @since 2.0.0\n */\nexports.constUndefined = \n/*#__PURE__*/\nconstant(undefined);\n/**\n * A thunk that returns always `void`.\n *\n * @since 2.0.0\n */\nexports.constVoid = exports.constUndefined;\n// TODO: remove in v3\n/**\n * Flips the order of the arguments of a function of two arguments.\n *\n * @since 2.0.0\n */\nfunction flip(f) {\n return function (b, a) { return f(a, b); };\n}\nexports.flip = flip;\nfunction flow(ab, bc, cd, de, ef, fg, gh, hi, ij) {\n switch (arguments.length) {\n case 1:\n return ab;\n case 2:\n return function () {\n return bc(ab.apply(this, arguments));\n };\n case 3:\n return function () {\n return cd(bc(ab.apply(this, arguments)));\n };\n case 4:\n return function () {\n return de(cd(bc(ab.apply(this, arguments))));\n };\n case 5:\n return function () {\n return ef(de(cd(bc(ab.apply(this, arguments)))));\n };\n case 6:\n return function () {\n return fg(ef(de(cd(bc(ab.apply(this, arguments))))));\n };\n case 7:\n return function () {\n return gh(fg(ef(de(cd(bc(ab.apply(this, arguments)))))));\n };\n case 8:\n return function () {\n return hi(gh(fg(ef(de(cd(bc(ab.apply(this, arguments))))))));\n };\n case 9:\n return function () {\n return ij(hi(gh(fg(ef(de(cd(bc(ab.apply(this, arguments)))))))));\n };\n }\n return;\n}\nexports.flow = flow;\n/**\n * @since 2.0.0\n */\nfunction tuple() {\n var t = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n t[_i] = arguments[_i];\n }\n return t;\n}\nexports.tuple = tuple;\n/**\n * @since 2.0.0\n */\nfunction increment(n) {\n return n + 1;\n}\nexports.increment = increment;\n/**\n * @since 2.0.0\n */\nfunction decrement(n) {\n return n - 1;\n}\nexports.decrement = decrement;\n/**\n * @since 2.0.0\n */\nfunction absurd(_) {\n throw new Error('Called `absurd` function which should be uncallable');\n}\nexports.absurd = absurd;\n/**\n * Creates a tupled version of this function: instead of `n` arguments, it accepts a single tuple argument.\n *\n * @example\n * import { tupled } from 'fp-ts/function'\n *\n * const add = tupled((x: number, y: number): number => x + y)\n *\n * assert.strictEqual(add([1, 2]), 3)\n *\n * @since 2.4.0\n */\nfunction tupled(f) {\n return function (a) { return f.apply(void 0, a); };\n}\nexports.tupled = tupled;\n/**\n * Inverse function of `tupled`\n *\n * @since 2.4.0\n */\nfunction untupled(f) {\n return function () {\n var a = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n a[_i] = arguments[_i];\n }\n return f(a);\n };\n}\nexports.untupled = untupled;\nfunction pipe(a, ab, bc, cd, de, ef, fg, gh, hi, ij, jk, kl, lm, mn, no, op, pq, qr, rs, st) {\n switch (arguments.length) {\n case 1:\n return a;\n case 2:\n return ab(a);\n case 3:\n return bc(ab(a));\n case 4:\n return cd(bc(ab(a)));\n case 5:\n return de(cd(bc(ab(a))));\n case 6:\n return ef(de(cd(bc(ab(a)))));\n case 7:\n return fg(ef(de(cd(bc(ab(a))))));\n case 8:\n return gh(fg(ef(de(cd(bc(ab(a)))))));\n case 9:\n return hi(gh(fg(ef(de(cd(bc(ab(a))))))));\n case 10:\n return ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))));\n case 11:\n return jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a))))))))));\n case 12:\n return kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))))));\n case 13:\n return lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a))))))))))));\n case 14:\n return mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))))))));\n case 15:\n return no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a))))))))))))));\n case 16:\n return op(no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))))))))));\n case 17:\n return pq(op(no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a))))))))))))))));\n case 18:\n return qr(pq(op(no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))))))))))));\n case 19:\n return rs(qr(pq(op(no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a))))))))))))))))));\n case 20:\n return st(rs(qr(pq(op(no(mn(lm(kl(jk(ij(hi(gh(fg(ef(de(cd(bc(ab(a)))))))))))))))))));\n }\n return;\n}\nexports.pipe = pipe;\n/**\n * Type hole simulation\n *\n * @since 2.7.0\n */\nexports.hole = absurd;\n/**\n * @internal\n */\nvar bind_ = function (a, name, b) {\n var _a;\n return Object.assign({}, a, (_a = {}, _a[name] = b, _a));\n};\nexports.bind_ = bind_;\n/**\n * @internal\n */\nvar bindTo_ = function (name) { return function (b) {\n var _a;\n return (_a = {}, _a[name] = b, _a);\n}; };\nexports.bindTo_ = bindTo_;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.pipeable = exports.pipe = void 0;\nvar function_1 = require(\"./function\");\n// TODO: remove module in v3\n/**\n * Use [`pipe`](https://gcanti.github.io/fp-ts/modules/function.ts.html#flow) from `function` module instead.\n *\n * @since 2.0.0\n */\nexports.pipe = function_1.pipe;\nvar isFunctor = function (I) { return typeof I.map === 'function'; };\nvar isContravariant = function (I) { return typeof I.contramap === 'function'; };\nvar isFunctorWithIndex = function (I) { return typeof I.mapWithIndex === 'function'; };\nvar isApply = function (I) { return typeof I.ap === 'function'; };\nvar isChain = function (I) { return typeof I.chain === 'function'; };\nvar isBifunctor = function (I) { return typeof I.bimap === 'function'; };\nvar isExtend = function (I) { return typeof I.extend === 'function'; };\nvar isFoldable = function (I) { return typeof I.reduce === 'function'; };\nvar isFoldableWithIndex = function (I) { return typeof I.reduceWithIndex === 'function'; };\nvar isAlt = function (I) { return typeof I.alt === 'function'; };\nvar isCompactable = function (I) { return typeof I.compact === 'function'; };\nvar isFilterable = function (I) { return typeof I.filter === 'function'; };\nvar isFilterableWithIndex = function (I) {\n return typeof I.filterWithIndex === 'function';\n};\nvar isProfunctor = function (I) { return typeof I.promap === 'function'; };\nvar isSemigroupoid = function (I) { return typeof I.compose === 'function'; };\nvar isMonadThrow = function (I) { return typeof I.throwError === 'function'; };\nfunction pipeable(I) {\n var r = {};\n if (isFunctor(I)) {\n var map = function (f) { return function (fa) { return I.map(fa, f); }; };\n r.map = map;\n }\n if (isContravariant(I)) {\n var contramap = function (f) { return function (fa) { return I.contramap(fa, f); }; };\n r.contramap = contramap;\n }\n if (isFunctorWithIndex(I)) {\n var mapWithIndex = function (f) { return function (fa) { return I.mapWithIndex(fa, f); }; };\n r.mapWithIndex = mapWithIndex;\n }\n if (isApply(I)) {\n var ap = function (fa) { return function (fab) { return I.ap(fab, fa); }; };\n var apFirst = function (fb) { return function (fa) {\n return I.ap(I.map(fa, function (a) { return function () { return a; }; }), fb);\n }; };\n r.ap = ap;\n r.apFirst = apFirst;\n r.apSecond = function (fb) { return function (fa) {\n return I.ap(I.map(fa, function () { return function (b) { return b; }; }), fb);\n }; };\n }\n if (isChain(I)) {\n var chain = function (f) { return function (ma) { return I.chain(ma, f); }; };\n var chainFirst = function (f) { return function (ma) { return I.chain(ma, function (a) { return I.map(f(a), function () { return a; }); }); }; };\n var flatten = function (mma) { return I.chain(mma, function_1.identity); };\n r.chain = chain;\n r.chainFirst = chainFirst;\n r.flatten = flatten;\n }\n if (isBifunctor(I)) {\n var bimap = function (f, g) { return function (fa) { return I.bimap(fa, f, g); }; };\n var mapLeft = function (f) { return function (fa) { return I.mapLeft(fa, f); }; };\n r.bimap = bimap;\n r.mapLeft = mapLeft;\n }\n if (isExtend(I)) {\n var extend = function (f) { return function (wa) { return I.extend(wa, f); }; };\n var duplicate = function (wa) { return I.extend(wa, function_1.identity); };\n r.extend = extend;\n r.duplicate = duplicate;\n }\n if (isFoldable(I)) {\n var reduce = function (b, f) { return function (fa) { return I.reduce(fa, b, f); }; };\n var foldMap = function (M) {\n var foldMapM = I.foldMap(M);\n return function (f) { return function (fa) { return foldMapM(fa, f); }; };\n };\n var reduceRight = function (b, f) { return function (fa) { return I.reduceRight(fa, b, f); }; };\n r.reduce = reduce;\n r.foldMap = foldMap;\n r.reduceRight = reduceRight;\n }\n if (isFoldableWithIndex(I)) {\n var reduceWithIndex = function (b, f) { return function (fa) {\n return I.reduceWithIndex(fa, b, f);\n }; };\n var foldMapWithIndex = function (M) {\n var foldMapM = I.foldMapWithIndex(M);\n return function (f) { return function (fa) { return foldMapM(fa, f); }; };\n };\n var reduceRightWithIndex = function (b, f) { return function (fa) {\n return I.reduceRightWithIndex(fa, b, f);\n }; };\n r.reduceWithIndex = reduceWithIndex;\n r.foldMapWithIndex = foldMapWithIndex;\n r.reduceRightWithIndex = reduceRightWithIndex;\n }\n if (isAlt(I)) {\n var alt = function (that) { return function (fa) { return I.alt(fa, that); }; };\n r.alt = alt;\n }\n if (isCompactable(I)) {\n r.compact = I.compact;\n r.separate = I.separate;\n }\n if (isFilterable(I)) {\n var filter = function (predicate) { return function (fa) {\n return I.filter(fa, predicate);\n }; };\n var filterMap = function (f) { return function (fa) { return I.filterMap(fa, f); }; };\n var partition = function (predicate) { return function (fa) {\n return I.partition(fa, predicate);\n }; };\n var partitionMap = function (f) { return function (fa) { return I.partitionMap(fa, f); }; };\n r.filter = filter;\n r.filterMap = filterMap;\n r.partition = partition;\n r.partitionMap = partitionMap;\n }\n if (isFilterableWithIndex(I)) {\n var filterWithIndex = function (predicateWithIndex) { return function (fa) { return I.filterWithIndex(fa, predicateWithIndex); }; };\n var filterMapWithIndex = function (f) { return function (fa) {\n return I.filterMapWithIndex(fa, f);\n }; };\n var partitionWithIndex = function (predicateWithIndex) { return function (fa) { return I.partitionWithIndex(fa, predicateWithIndex); }; };\n var partitionMapWithIndex = function (f) { return function (fa) {\n return I.partitionMapWithIndex(fa, f);\n }; };\n r.filterWithIndex = filterWithIndex;\n r.filterMapWithIndex = filterMapWithIndex;\n r.partitionWithIndex = partitionWithIndex;\n r.partitionMapWithIndex = partitionMapWithIndex;\n }\n if (isProfunctor(I)) {\n var promap = function (f, g) { return function (fa) { return I.promap(fa, f, g); }; };\n r.promap = promap;\n }\n if (isSemigroupoid(I)) {\n var compose = function (that) { return function (fa) { return I.compose(fa, that); }; };\n r.compose = compose;\n }\n if (isMonadThrow(I)) {\n var fromOption = function (onNone) { return function (ma) {\n return ma._tag === 'None' ? I.throwError(onNone()) : I.of(ma.value);\n }; };\n var fromEither = function (ma) {\n return ma._tag === 'Left' ? I.throwError(ma.left) : I.of(ma.right);\n };\n var fromPredicate = function (predicate, onFalse) { return function (a) { return (predicate(a) ? I.of(a) : I.throwError(onFalse(a))); }; };\n var filterOrElse = function (predicate, onFalse) { return function (ma) { return I.chain(ma, function (a) { return (predicate(a) ? I.of(a) : I.throwError(onFalse(a))); }); }; };\n r.fromOption = fromOption;\n r.fromEither = fromEither;\n r.fromPredicate = fromPredicate;\n r.filterOrElse = filterOrElse;\n }\n return r;\n}\nexports.pipeable = pipeable;\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reporter = exports.formatValidationErrors = exports.formatValidationError = exports.TYPE_MAX_LEN = void 0;\n/**\n * An [io-ts Reporter](https://gcanti.github.io/io-ts/modules/Reporter.ts.html#reporter-interface).\n *\n * @example\n *\n * import * as t from 'io-ts';\n * import Reporter from 'io-ts-reporters';\n *\n * const User = t.interface({ name: t.string });\n *\n * assert.deepEqual(\n * Reporter.report(User.decode({ nam: 'Jane' })),\n * ['Expecting string at name but instead got: undefined'],\n * )\n * assert.deepEqual( Reporter.report(User.decode({ name: 'Jane' })), [])\n *\n * @since 1.2.0\n */\nvar A = require(\"fp-ts/lib/Array\");\nvar E = require(\"fp-ts/lib/Either\");\nvar NEA = require(\"fp-ts/lib/NonEmptyArray\");\nvar O = require(\"fp-ts/lib/Option\");\nvar R = require(\"fp-ts/lib/Record\");\nvar pipeable_1 = require(\"fp-ts/lib/pipeable\");\nvar t = require(\"io-ts\");\nvar utils_1 = require(\"./utils\");\nvar isUnionType = function (_a) {\n var type = _a.type;\n return type instanceof t.UnionType;\n};\nvar jsToString = function (value) {\n return value === undefined ? 'undefined' : JSON.stringify(value);\n};\nvar keyPath = function (ctx) {\n // The context entry with an empty key is the original\n // type (\"default context\"), not a type error.\n return ctx\n .map(function (c) { return c.key; })\n .filter(Boolean)\n .join('.');\n};\n// The actual error is last in context\nvar getErrorFromCtx = function (validation) {\n // https://github.com/gcanti/fp-ts/pull/544/files\n return A.last(validation.context);\n};\nvar getValidationContext = function (validation) {\n // https://github.com/gcanti/fp-ts/pull/544/files\n return validation.context;\n};\n/**\n * @category internals\n * @since 1.2.1\n */\nexports.TYPE_MAX_LEN = 160; // Two lines of 80-col text\nvar truncateType = function (type, options) {\n if (options === void 0) { options = {}; }\n var _a = options.truncateLongTypes, truncateLongTypes = _a === void 0 ? true : _a;\n if (truncateLongTypes && type.length > exports.TYPE_MAX_LEN) {\n return type.slice(0, exports.TYPE_MAX_LEN - 3) + \"...\";\n }\n return type;\n};\nvar errorMessageSimple = function (expectedType, path, error, options) {\n // https://github.com/elm-lang/core/blob/18c9e84e975ed22649888bfad15d1efdb0128ab2/src/Native/Json.js#L199\n return [\n \"Expecting \" + truncateType(expectedType, options),\n path === '' ? '' : \"at \" + path,\n \"but instead got: \" + jsToString(error.value),\n error.message ? \"(\" + error.message + \")\" : ''\n ]\n .filter(Boolean)\n .join(' ');\n};\nvar errorMessageUnion = function (expectedTypes, path, value, options) {\n // https://github.com/elm-lang/core/blob/18c9e84e975ed22649888bfad15d1efdb0128ab2/src/Native/Json.js#L199\n return [\n 'Expecting one of:\\n',\n expectedTypes.map(function (type) { return \" \" + truncateType(type, options); }).join('\\n'),\n path === '' ? '\\n' : \"\\nat \" + path + \" \",\n \"but instead got: \" + jsToString(value)\n ]\n .filter(Boolean)\n .join('');\n};\n// Find the union type in the list of ContextEntry\n// The next ContextEntry should be the type of this branch of the union\nvar findExpectedType = function (ctx) {\n return pipeable_1.pipe(ctx, A.findIndex(isUnionType), O.chain(function (n) { return A.lookup(n + 1, ctx); }));\n};\nvar formatValidationErrorOfUnion = function (path, errors, options) {\n var expectedTypes = pipeable_1.pipe(errors, A.map(getValidationContext), A.map(findExpectedType), A.compact);\n var value = pipeable_1.pipe(expectedTypes, A.head, O.map(function (v) { return v.actual; }), O.getOrElse(function () { return undefined; }));\n var expected = expectedTypes.map(function (_a) {\n var type = _a.type;\n return type.name;\n });\n return expected.length > 0\n ? O.some(errorMessageUnion(expected, path, value, options))\n : O.none;\n};\nvar formatValidationCommonError = function (path, error, options) {\n return pipeable_1.pipe(error, getErrorFromCtx, O.map(function (errorContext) {\n return errorMessageSimple(errorContext.type.name, path, error, options);\n }));\n};\nvar groupByKey = NEA.groupBy(function (error) {\n return pipeable_1.pipe(error.context, utils_1.takeUntil(isUnionType), keyPath);\n});\nvar format = function (path, errors, options) {\n return NEA.tail(errors).length > 0\n ? formatValidationErrorOfUnion(path, errors, options)\n : formatValidationCommonError(path, NEA.head(errors), options);\n};\n/**\n * Format a single validation error.\n *\n * @category formatters\n * @since 1.0.0\n */\nexports.formatValidationError = function (error, options) { return formatValidationCommonError(keyPath(error.context), error, options); };\n/**\n * Format validation errors (`t.Errors`).\n *\n * @example\n * import * as E from 'fp-ts/lib/Either'\n * import * as t from 'io-ts'\n * import { formatValidationErrors } from 'io-ts-reporters'\n *\n * const result = t.string.decode(123)\n *\n * assert.deepEqual(\n * E.mapLeft(formatValidationErrors)(result),\n * E.left(['Expecting string but instead got: 123'])\n * )\n *\n * @category formatters\n * @since 1.2.0\n */\nexports.formatValidationErrors = function (errors, options) {\n return pipeable_1.pipe(errors, groupByKey, R.mapWithIndex(function (path, errors) { return format(path, errors, options); }), R.compact, R.toArray, A.map(function (_a) {\n var _key = _a[0], error = _a[1];\n return error;\n }));\n};\n/**\n * Deprecated, use the default export instead.\n *\n * @category deprecated\n * @deprecated\n * @since 1.0.0\n */\nexports.reporter = function (validation, options) {\n return pipeable_1.pipe(validation, E.mapLeft(function (errors) { return exports.formatValidationErrors(errors, options); }), E.fold(function (errors) { return errors; }, function () { return []; }));\n};\nvar prettyReporter = { report: exports.reporter };\nexports.default = prettyReporter;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.takeUntil = void 0;\n/**\n * @since 1.1.0\n */\n/* eslint-disable @typescript-eslint/array-type */\nexports.takeUntil = function (predicate) { return function (as) {\n var init = [];\n // eslint-disable-next-line unicorn/no-for-loop\n for (var i = 0; i < as.length; i++) {\n init[i] = as[i];\n if (predicate(as[i])) {\n return init;\n }\n }\n return init;\n}; };\n/* eslint-enable @typescript-eslint/array-type */\n//# sourceMappingURL=utils.js.map","\"use strict\";\nvar __extends = (this && this.__extends) || (function () {\n var extendStatics = function (d, b) {\n extendStatics = Object.setPrototypeOf ||\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\n return extendStatics(d, b);\n };\n return function (d, b) {\n extendStatics(d, b);\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n };\n})();\nvar __assign = (this && this.__assign) || function () {\n __assign = Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n };\n return __assign.apply(this, arguments);\n};\nvar __spreadArrays = (this && this.__spreadArrays) || function () {\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\n r[k] = a[j];\n return r;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getIndex = exports.getTags = exports.emptyTags = exports.alias = exports.clean = exports.StrictType = exports.dictionary = exports.Integer = exports.refinement = exports.object = exports.ObjectType = exports.Dictionary = exports.any = exports.AnyType = exports.never = exports.NeverType = exports.getDefaultContext = exports.getValidationError = exports.void = exports.interface = exports.Array = exports.undefined = exports.null = exports.exact = exports.ExactType = exports.taggedUnion = exports.TaggedUnionType = exports.strict = exports.readonlyArray = exports.ReadonlyArrayType = exports.readonly = exports.ReadonlyType = exports.tuple = exports.TupleType = exports.intersection = exports.mergeAll = exports.IntersectionType = exports.union = exports.UnionType = exports.record = exports.getDomainKeys = exports.DictionaryType = exports.partial = exports.PartialType = exports.type = exports.InterfaceType = exports.array = exports.ArrayType = exports.recursion = exports.RecursiveType = exports.keyof = exports.KeyofType = exports.literal = exports.LiteralType = exports.Int = exports.brand = exports.RefinementType = exports.Function = exports.FunctionType = exports.UnknownRecord = exports.AnyDictionaryType = exports.UnknownArray = exports.AnyArrayType = exports.boolean = exports.BooleanType = exports.bigint = exports.BigIntType = exports.number = exports.NumberType = exports.string = exports.StringType = exports.unknown = exports.UnknownType = exports.voidType = exports.VoidType = exports.UndefinedType = exports.nullType = exports.NullType = exports.success = exports.failure = exports.failures = exports.appendContext = exports.getContextEntry = exports.getFunctionName = exports.identity = exports.Type = void 0;\n/**\n * @since 1.0.0\n */\nvar Either_1 = require(\"fp-ts/lib/Either\");\n/**\n * @category Model\n * @since 1.0.0\n */\nvar Type = /** @class */ (function () {\n function Type(\n /** a unique name for this codec */\n name, \n /** a custom type guard */\n is, \n /** succeeds if a value of type I can be decoded to a value of type A */\n validate, \n /** converts a value of type A to a value of type O */\n encode) {\n this.name = name;\n this.is = is;\n this.validate = validate;\n this.encode = encode;\n this.decode = this.decode.bind(this);\n }\n /**\n * @since 1.0.0\n */\n Type.prototype.pipe = function (ab, name) {\n var _this = this;\n if (name === void 0) { name = \"pipe(\" + this.name + \", \" + ab.name + \")\"; }\n return new Type(name, ab.is, function (i, c) {\n var e = _this.validate(i, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n return ab.validate(e.right, c);\n }, this.encode === exports.identity && ab.encode === exports.identity ? exports.identity : function (b) { return _this.encode(ab.encode(b)); });\n };\n /**\n * @since 1.0.0\n */\n Type.prototype.asDecoder = function () {\n return this;\n };\n /**\n * @since 1.0.0\n */\n Type.prototype.asEncoder = function () {\n return this;\n };\n /**\n * a version of `validate` with a default context\n * @since 1.0.0\n */\n Type.prototype.decode = function (i) {\n return this.validate(i, [{ key: '', type: this, actual: i }]);\n };\n return Type;\n}());\nexports.Type = Type;\n/**\n * @since 1.0.0\n */\nexports.identity = function (a) { return a; };\n/**\n * @since 1.0.0\n */\nexports.getFunctionName = function (f) {\n return f.displayName || f.name || \"\";\n};\n/**\n * @since 1.0.0\n */\nexports.getContextEntry = function (key, decoder) { return ({ key: key, type: decoder }); };\n/**\n * @since 1.0.0\n */\nexports.appendContext = function (c, key, decoder, actual) {\n var len = c.length;\n var r = Array(len + 1);\n for (var i = 0; i < len; i++) {\n r[i] = c[i];\n }\n r[len] = { key: key, type: decoder, actual: actual };\n return r;\n};\n/**\n * @since 1.0.0\n */\nexports.failures = Either_1.left;\n/**\n * @since 1.0.0\n */\nexports.failure = function (value, context, message) {\n return exports.failures([{ value: value, context: context, message: message }]);\n};\n/**\n * @since 1.0.0\n */\nexports.success = Either_1.right;\nvar pushAll = function (xs, ys) {\n var l = ys.length;\n for (var i = 0; i < l; i++) {\n xs.push(ys[i]);\n }\n};\n// -------------------------------------------------------------------------------------\n// primitives\n// -------------------------------------------------------------------------------------\n/**\n * @since 1.0.0\n */\nvar NullType = /** @class */ (function (_super) {\n __extends(NullType, _super);\n function NullType() {\n var _this = _super.call(this, 'null', function (u) { return u === null; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'NullType';\n return _this;\n }\n return NullType;\n}(Type));\nexports.NullType = NullType;\n/**\n * @category Primitives\n * @since 1.0.0\n */\nexports.nullType = new NullType();\nexports.null = exports.nullType;\n/**\n * @since 1.0.0\n */\nvar UndefinedType = /** @class */ (function (_super) {\n __extends(UndefinedType, _super);\n function UndefinedType() {\n var _this = _super.call(this, 'undefined', function (u) { return u === void 0; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'UndefinedType';\n return _this;\n }\n return UndefinedType;\n}(Type));\nexports.UndefinedType = UndefinedType;\nvar undefinedType = new UndefinedType();\nexports.undefined = undefinedType;\n/**\n * @since 1.2.0\n */\nvar VoidType = /** @class */ (function (_super) {\n __extends(VoidType, _super);\n function VoidType() {\n var _this = _super.call(this, 'void', undefinedType.is, undefinedType.validate, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'VoidType';\n return _this;\n }\n return VoidType;\n}(Type));\nexports.VoidType = VoidType;\n/**\n * @category Primitives\n * @since 1.2.0\n */\nexports.voidType = new VoidType();\nexports.void = exports.voidType;\n/**\n * @since 1.5.0\n */\nvar UnknownType = /** @class */ (function (_super) {\n __extends(UnknownType, _super);\n function UnknownType() {\n var _this = _super.call(this, 'unknown', function (_) { return true; }, exports.success, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'UnknownType';\n return _this;\n }\n return UnknownType;\n}(Type));\nexports.UnknownType = UnknownType;\n/**\n * @category Primitives\n * @since 1.5.0\n */\nexports.unknown = new UnknownType();\n/**\n * @since 1.0.0\n */\nvar StringType = /** @class */ (function (_super) {\n __extends(StringType, _super);\n function StringType() {\n var _this = _super.call(this, 'string', function (u) { return typeof u === 'string'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'StringType';\n return _this;\n }\n return StringType;\n}(Type));\nexports.StringType = StringType;\n/**\n * @category Primitives\n * @since 1.0.0\n */\nexports.string = new StringType();\n/**\n * @since 1.0.0\n */\nvar NumberType = /** @class */ (function (_super) {\n __extends(NumberType, _super);\n function NumberType() {\n var _this = _super.call(this, 'number', function (u) { return typeof u === 'number'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'NumberType';\n return _this;\n }\n return NumberType;\n}(Type));\nexports.NumberType = NumberType;\n/**\n * @category Primitives\n * @since 1.0.0\n */\nexports.number = new NumberType();\n/**\n * @since 2.1.0\n */\nvar BigIntType = /** @class */ (function (_super) {\n __extends(BigIntType, _super);\n function BigIntType() {\n var _this = _super.call(this, 'bigint', \n // tslint:disable-next-line: valid-typeof\n function (u) { return typeof u === 'bigint'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'BigIntType';\n return _this;\n }\n return BigIntType;\n}(Type));\nexports.BigIntType = BigIntType;\n/**\n * @category Primitives\n * @since 2.1.0\n */\nexports.bigint = new BigIntType();\n/**\n * @since 1.0.0\n */\nvar BooleanType = /** @class */ (function (_super) {\n __extends(BooleanType, _super);\n function BooleanType() {\n var _this = _super.call(this, 'boolean', function (u) { return typeof u === 'boolean'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'BooleanType';\n return _this;\n }\n return BooleanType;\n}(Type));\nexports.BooleanType = BooleanType;\n/**\n * @category Primitives\n * @since 1.0.0\n */\nexports.boolean = new BooleanType();\n/**\n * @since 1.0.0\n */\nvar AnyArrayType = /** @class */ (function (_super) {\n __extends(AnyArrayType, _super);\n function AnyArrayType() {\n var _this = _super.call(this, 'UnknownArray', Array.isArray, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'AnyArrayType';\n return _this;\n }\n return AnyArrayType;\n}(Type));\nexports.AnyArrayType = AnyArrayType;\n/**\n * @category Primitives\n * @since 1.7.1\n */\nexports.UnknownArray = new AnyArrayType();\nexports.Array = exports.UnknownArray;\n/**\n * @since 1.0.0\n */\nvar AnyDictionaryType = /** @class */ (function (_super) {\n __extends(AnyDictionaryType, _super);\n function AnyDictionaryType() {\n var _this = _super.call(this, 'UnknownRecord', function (u) {\n var s = Object.prototype.toString.call(u);\n return s === '[object Object]' || s === '[object Window]';\n }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'AnyDictionaryType';\n return _this;\n }\n return AnyDictionaryType;\n}(Type));\nexports.AnyDictionaryType = AnyDictionaryType;\n/**\n * @category Primitives\n * @since 1.7.1\n */\nexports.UnknownRecord = new AnyDictionaryType();\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nvar FunctionType = /** @class */ (function (_super) {\n __extends(FunctionType, _super);\n function FunctionType() {\n var _this = _super.call(this, 'Function', \n // tslint:disable-next-line:strict-type-predicates\n function (u) { return typeof u === 'function'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'FunctionType';\n return _this;\n }\n return FunctionType;\n}(Type));\nexports.FunctionType = FunctionType;\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\n// tslint:disable-next-line: deprecation\nexports.Function = new FunctionType();\n/**\n * @since 1.0.0\n */\nvar RefinementType = /** @class */ (function (_super) {\n __extends(RefinementType, _super);\n function RefinementType(name, is, validate, encode, type, predicate) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.type = type;\n _this.predicate = predicate;\n /**\n * @since 1.0.0\n */\n _this._tag = 'RefinementType';\n return _this;\n }\n return RefinementType;\n}(Type));\nexports.RefinementType = RefinementType;\n// -------------------------------------------------------------------------------------\n// combinators\n// -------------------------------------------------------------------------------------\n/**\n * @category Combinators\n * @since 1.8.1\n */\nexports.brand = function (codec, predicate, name) {\n // tslint:disable-next-line: deprecation\n return refinement(codec, predicate, name);\n};\n/**\n * A branded codec representing an integer\n *\n * @category Primitives\n * @since 1.8.1\n */\nexports.Int = exports.brand(exports.number, function (n) { return Number.isInteger(n); }, 'Int');\n/**\n * @since 1.0.0\n */\nvar LiteralType = /** @class */ (function (_super) {\n __extends(LiteralType, _super);\n function LiteralType(name, is, validate, encode, value) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.value = value;\n /**\n * @since 1.0.0\n */\n _this._tag = 'LiteralType';\n return _this;\n }\n return LiteralType;\n}(Type));\nexports.LiteralType = LiteralType;\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.literal = function (value, name) {\n if (name === void 0) { name = JSON.stringify(value); }\n var is = function (u) { return u === value; };\n return new LiteralType(name, is, function (u, c) { return (is(u) ? exports.success(value) : exports.failure(u, c)); }, exports.identity, value);\n};\n/**\n * @since 1.0.0\n */\nvar KeyofType = /** @class */ (function (_super) {\n __extends(KeyofType, _super);\n function KeyofType(name, is, validate, encode, keys) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.keys = keys;\n /**\n * @since 1.0.0\n */\n _this._tag = 'KeyofType';\n return _this;\n }\n return KeyofType;\n}(Type));\nexports.KeyofType = KeyofType;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.keyof = function (keys, name) {\n if (name === void 0) { name = Object.keys(keys)\n .map(function (k) { return JSON.stringify(k); })\n .join(' | '); }\n var is = function (u) { return exports.string.is(u) && hasOwnProperty.call(keys, u); };\n return new KeyofType(name, is, function (u, c) { return (is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity, keys);\n};\n/**\n * @since 1.0.0\n */\nvar RecursiveType = /** @class */ (function (_super) {\n __extends(RecursiveType, _super);\n function RecursiveType(name, is, validate, encode, runDefinition) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.runDefinition = runDefinition;\n /**\n * @since 1.0.0\n */\n _this._tag = 'RecursiveType';\n return _this;\n }\n return RecursiveType;\n}(Type));\nexports.RecursiveType = RecursiveType;\nObject.defineProperty(RecursiveType.prototype, 'type', {\n get: function () {\n return this.runDefinition();\n },\n enumerable: true,\n configurable: true\n});\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.recursion = function (name, definition) {\n var cache;\n var runDefinition = function () {\n if (!cache) {\n cache = definition(Self);\n cache.name = name;\n }\n return cache;\n };\n var Self = new RecursiveType(name, function (u) { return runDefinition().is(u); }, function (u, c) { return runDefinition().validate(u, c); }, function (a) { return runDefinition().encode(a); }, runDefinition);\n return Self;\n};\n/**\n * @since 1.0.0\n */\nvar ArrayType = /** @class */ (function (_super) {\n __extends(ArrayType, _super);\n function ArrayType(name, is, validate, encode, type) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.type = type;\n /**\n * @since 1.0.0\n */\n _this._tag = 'ArrayType';\n return _this;\n }\n return ArrayType;\n}(Type));\nexports.ArrayType = ArrayType;\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.array = function (item, name) {\n if (name === void 0) { name = \"Array<\" + item.name + \">\"; }\n return new ArrayType(name, function (u) { return exports.UnknownArray.is(u) && u.every(item.is); }, function (u, c) {\n var e = exports.UnknownArray.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var us = e.right;\n var len = us.length;\n var as = us;\n var errors = [];\n for (var i = 0; i < len; i++) {\n var ui = us[i];\n var result = item.validate(ui, exports.appendContext(c, String(i), item, ui));\n if (Either_1.isLeft(result)) {\n pushAll(errors, result.left);\n }\n else {\n var ai = result.right;\n if (ai !== ui) {\n if (as === us) {\n as = us.slice();\n }\n as[i] = ai;\n }\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success(as);\n }, item.encode === exports.identity ? exports.identity : function (a) { return a.map(item.encode); }, item);\n};\n/**\n * @since 1.0.0\n */\nvar InterfaceType = /** @class */ (function (_super) {\n __extends(InterfaceType, _super);\n function InterfaceType(name, is, validate, encode, props) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.props = props;\n /**\n * @since 1.0.0\n */\n _this._tag = 'InterfaceType';\n return _this;\n }\n return InterfaceType;\n}(Type));\nexports.InterfaceType = InterfaceType;\nvar getNameFromProps = function (props) {\n return Object.keys(props)\n .map(function (k) { return k + \": \" + props[k].name; })\n .join(', ');\n};\nvar useIdentity = function (codecs) {\n for (var i = 0; i < codecs.length; i++) {\n if (codecs[i].encode !== exports.identity) {\n return false;\n }\n }\n return true;\n};\nvar getInterfaceTypeName = function (props) {\n return \"{ \" + getNameFromProps(props) + \" }\";\n};\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.type = function (props, name) {\n if (name === void 0) { name = getInterfaceTypeName(props); }\n var keys = Object.keys(props);\n var types = keys.map(function (key) { return props[key]; });\n var len = keys.length;\n return new InterfaceType(name, function (u) {\n if (exports.UnknownRecord.is(u)) {\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var uk = u[k];\n if ((uk === undefined && !hasOwnProperty.call(u, k)) || !types[i].is(uk)) {\n return false;\n }\n }\n return true;\n }\n return false;\n }, function (u, c) {\n var e = exports.UnknownRecord.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var o = e.right;\n var a = o;\n var errors = [];\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var ak = a[k];\n var type_1 = types[i];\n var result = type_1.validate(ak, exports.appendContext(c, k, type_1, ak));\n if (Either_1.isLeft(result)) {\n pushAll(errors, result.left);\n }\n else {\n var vak = result.right;\n if (vak !== ak || (vak === undefined && !hasOwnProperty.call(a, k))) {\n /* istanbul ignore next */\n if (a === o) {\n a = __assign({}, o);\n }\n a[k] = vak;\n }\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success(a);\n }, useIdentity(types)\n ? exports.identity\n : function (a) {\n var s = __assign({}, a);\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var encode = types[i].encode;\n if (encode !== exports.identity) {\n s[k] = encode(a[k]);\n }\n }\n return s;\n }, props);\n};\nexports.interface = exports.type;\n/**\n * @since 1.0.0\n */\nvar PartialType = /** @class */ (function (_super) {\n __extends(PartialType, _super);\n function PartialType(name, is, validate, encode, props) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.props = props;\n /**\n * @since 1.0.0\n */\n _this._tag = 'PartialType';\n return _this;\n }\n return PartialType;\n}(Type));\nexports.PartialType = PartialType;\nvar getPartialTypeName = function (inner) {\n return \"Partial<\" + inner + \">\";\n};\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.partial = function (props, name) {\n if (name === void 0) { name = getPartialTypeName(getInterfaceTypeName(props)); }\n var keys = Object.keys(props);\n var types = keys.map(function (key) { return props[key]; });\n var len = keys.length;\n return new PartialType(name, function (u) {\n if (exports.UnknownRecord.is(u)) {\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var uk = u[k];\n if (uk !== undefined && !props[k].is(uk)) {\n return false;\n }\n }\n return true;\n }\n return false;\n }, function (u, c) {\n var e = exports.UnknownRecord.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var o = e.right;\n var a = o;\n var errors = [];\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var ak = a[k];\n var type_2 = props[k];\n var result = type_2.validate(ak, exports.appendContext(c, k, type_2, ak));\n if (Either_1.isLeft(result)) {\n if (ak !== undefined) {\n pushAll(errors, result.left);\n }\n }\n else {\n var vak = result.right;\n if (vak !== ak) {\n /* istanbul ignore next */\n if (a === o) {\n a = __assign({}, o);\n }\n a[k] = vak;\n }\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success(a);\n }, useIdentity(types)\n ? exports.identity\n : function (a) {\n var s = __assign({}, a);\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var ak = a[k];\n if (ak !== undefined) {\n s[k] = types[i].encode(ak);\n }\n }\n return s;\n }, props);\n};\n/**\n * @since 1.0.0\n */\nvar DictionaryType = /** @class */ (function (_super) {\n __extends(DictionaryType, _super);\n function DictionaryType(name, is, validate, encode, domain, codomain) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.domain = domain;\n _this.codomain = codomain;\n /**\n * @since 1.0.0\n */\n _this._tag = 'DictionaryType';\n return _this;\n }\n return DictionaryType;\n}(Type));\nexports.DictionaryType = DictionaryType;\nfunction enumerableRecord(keys, domain, codomain, name) {\n if (name === void 0) { name = \"{ [K in \" + domain.name + \"]: \" + codomain.name + \" }\"; }\n var len = keys.length;\n return new DictionaryType(name, function (u) { return exports.UnknownRecord.is(u) && keys.every(function (k) { return codomain.is(u[k]); }); }, function (u, c) {\n var e = exports.UnknownRecord.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var o = e.right;\n var a = {};\n var errors = [];\n var changed = false;\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var ok = o[k];\n var codomainResult = codomain.validate(ok, exports.appendContext(c, k, codomain, ok));\n if (Either_1.isLeft(codomainResult)) {\n pushAll(errors, codomainResult.left);\n }\n else {\n var vok = codomainResult.right;\n changed = changed || vok !== ok;\n a[k] = vok;\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success((changed || Object.keys(o).length !== len ? a : o));\n }, codomain.encode === exports.identity\n ? exports.identity\n : function (a) {\n var s = {};\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n s[k] = codomain.encode(a[k]);\n }\n return s;\n }, domain, codomain);\n}\n/**\n * @internal\n */\nfunction getDomainKeys(domain) {\n var _a;\n if (isLiteralC(domain)) {\n var literal_1 = domain.value;\n if (exports.string.is(literal_1)) {\n return _a = {}, _a[literal_1] = null, _a;\n }\n }\n else if (isKeyofC(domain)) {\n return domain.keys;\n }\n else if (isUnionC(domain)) {\n var keys = domain.types.map(function (type) { return getDomainKeys(type); });\n return keys.some(undefinedType.is) ? undefined : Object.assign.apply(Object, __spreadArrays([{}], keys));\n }\n return undefined;\n}\nexports.getDomainKeys = getDomainKeys;\nfunction nonEnumerableRecord(domain, codomain, name) {\n if (name === void 0) { name = \"{ [K in \" + domain.name + \"]: \" + codomain.name + \" }\"; }\n return new DictionaryType(name, function (u) {\n if (exports.UnknownRecord.is(u)) {\n return Object.keys(u).every(function (k) { return domain.is(k) && codomain.is(u[k]); });\n }\n return isAnyC(codomain) && Array.isArray(u);\n }, function (u, c) {\n if (exports.UnknownRecord.is(u)) {\n var a = {};\n var errors = [];\n var keys = Object.keys(u);\n var len = keys.length;\n var changed = false;\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n var ok = u[k];\n var domainResult = domain.validate(k, exports.appendContext(c, k, domain, k));\n if (Either_1.isLeft(domainResult)) {\n pushAll(errors, domainResult.left);\n }\n else {\n var vk = domainResult.right;\n changed = changed || vk !== k;\n k = vk;\n var codomainResult = codomain.validate(ok, exports.appendContext(c, k, codomain, ok));\n if (Either_1.isLeft(codomainResult)) {\n pushAll(errors, codomainResult.left);\n }\n else {\n var vok = codomainResult.right;\n changed = changed || vok !== ok;\n a[k] = vok;\n }\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success((changed ? a : u));\n }\n if (isAnyC(codomain) && Array.isArray(u)) {\n return exports.success(u);\n }\n return exports.failure(u, c);\n }, domain.encode === exports.identity && codomain.encode === exports.identity\n ? exports.identity\n : function (a) {\n var s = {};\n var keys = Object.keys(a);\n var len = keys.length;\n for (var i = 0; i < len; i++) {\n var k = keys[i];\n s[String(domain.encode(k))] = codomain.encode(a[k]);\n }\n return s;\n }, domain, codomain);\n}\n/**\n * @category Combinators\n * @since 1.7.1\n */\nfunction record(domain, codomain, name) {\n var keys = getDomainKeys(domain);\n return keys\n ? enumerableRecord(Object.keys(keys), domain, codomain, name)\n : nonEnumerableRecord(domain, codomain, name);\n}\nexports.record = record;\n/**\n * @since 1.0.0\n */\nvar UnionType = /** @class */ (function (_super) {\n __extends(UnionType, _super);\n function UnionType(name, is, validate, encode, types) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.types = types;\n /**\n * @since 1.0.0\n */\n _this._tag = 'UnionType';\n return _this;\n }\n return UnionType;\n}(Type));\nexports.UnionType = UnionType;\nvar getUnionName = function (codecs) {\n return '(' + codecs.map(function (type) { return type.name; }).join(' | ') + ')';\n};\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.union = function (codecs, name) {\n if (name === void 0) { name = getUnionName(codecs); }\n var index = getIndex(codecs);\n if (index !== undefined && codecs.length > 0) {\n var tag_1 = index[0], groups_1 = index[1];\n var len_1 = groups_1.length;\n var find_1 = function (value) {\n for (var i = 0; i < len_1; i++) {\n if (groups_1[i].indexOf(value) !== -1) {\n return i;\n }\n }\n return undefined;\n };\n // tslint:disable-next-line: deprecation\n return new TaggedUnionType(name, function (u) {\n if (exports.UnknownRecord.is(u)) {\n var i = find_1(u[tag_1]);\n return i !== undefined ? codecs[i].is(u) : false;\n }\n return false;\n }, function (u, c) {\n var e = exports.UnknownRecord.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var r = e.right;\n var i = find_1(r[tag_1]);\n if (i === undefined) {\n return exports.failure(u, c);\n }\n var codec = codecs[i];\n return codec.validate(r, exports.appendContext(c, String(i), codec, r));\n }, useIdentity(codecs)\n ? exports.identity\n : function (a) {\n var i = find_1(a[tag_1]);\n if (i === undefined) {\n // https://github.com/gcanti/io-ts/pull/305\n throw new Error(\"no codec found to encode value in union codec \" + name);\n }\n else {\n return codecs[i].encode(a);\n }\n }, codecs, tag_1);\n }\n else {\n return new UnionType(name, function (u) { return codecs.some(function (type) { return type.is(u); }); }, function (u, c) {\n var errors = [];\n for (var i = 0; i < codecs.length; i++) {\n var codec = codecs[i];\n var result = codec.validate(u, exports.appendContext(c, String(i), codec, u));\n if (Either_1.isLeft(result)) {\n pushAll(errors, result.left);\n }\n else {\n return exports.success(result.right);\n }\n }\n return exports.failures(errors);\n }, useIdentity(codecs)\n ? exports.identity\n : function (a) {\n for (var _i = 0, codecs_1 = codecs; _i < codecs_1.length; _i++) {\n var codec = codecs_1[_i];\n if (codec.is(a)) {\n return codec.encode(a);\n }\n }\n // https://github.com/gcanti/io-ts/pull/305\n throw new Error(\"no codec found to encode value in union type \" + name);\n }, codecs);\n }\n};\n/**\n * @since 1.0.0\n */\nvar IntersectionType = /** @class */ (function (_super) {\n __extends(IntersectionType, _super);\n function IntersectionType(name, is, validate, encode, types) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.types = types;\n /**\n * @since 1.0.0\n */\n _this._tag = 'IntersectionType';\n return _this;\n }\n return IntersectionType;\n}(Type));\nexports.IntersectionType = IntersectionType;\n/**\n * @internal\n */\nexports.mergeAll = function (base, us) {\n var equal = true;\n var primitive = true;\n var baseIsNotADictionary = !exports.UnknownRecord.is(base);\n for (var _i = 0, us_1 = us; _i < us_1.length; _i++) {\n var u = us_1[_i];\n if (u !== base) {\n equal = false;\n }\n if (exports.UnknownRecord.is(u)) {\n primitive = false;\n }\n }\n if (equal) {\n return base;\n }\n else if (primitive) {\n return us[us.length - 1];\n }\n var r = {};\n for (var _a = 0, us_2 = us; _a < us_2.length; _a++) {\n var u = us_2[_a];\n for (var k in u) {\n if (!r.hasOwnProperty(k) || baseIsNotADictionary || u[k] !== base[k]) {\n r[k] = u[k];\n }\n }\n }\n return r;\n};\nfunction intersection(codecs, name) {\n if (name === void 0) { name = \"(\" + codecs.map(function (type) { return type.name; }).join(' & ') + \")\"; }\n var len = codecs.length;\n return new IntersectionType(name, function (u) { return codecs.every(function (type) { return type.is(u); }); }, codecs.length === 0\n ? exports.success\n : function (u, c) {\n var us = [];\n var errors = [];\n for (var i = 0; i < len; i++) {\n var codec = codecs[i];\n var result = codec.validate(u, exports.appendContext(c, String(i), codec, u));\n if (Either_1.isLeft(result)) {\n pushAll(errors, result.left);\n }\n else {\n us.push(result.right);\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success(exports.mergeAll(u, us));\n }, codecs.length === 0\n ? exports.identity\n : function (a) {\n return exports.mergeAll(a, codecs.map(function (codec) { return codec.encode(a); }));\n }, codecs);\n}\nexports.intersection = intersection;\n/**\n * @since 1.0.0\n */\nvar TupleType = /** @class */ (function (_super) {\n __extends(TupleType, _super);\n function TupleType(name, is, validate, encode, types) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.types = types;\n /**\n * @since 1.0.0\n */\n _this._tag = 'TupleType';\n return _this;\n }\n return TupleType;\n}(Type));\nexports.TupleType = TupleType;\nfunction tuple(codecs, name) {\n if (name === void 0) { name = \"[\" + codecs.map(function (type) { return type.name; }).join(', ') + \"]\"; }\n var len = codecs.length;\n return new TupleType(name, function (u) { return exports.UnknownArray.is(u) && u.length === len && codecs.every(function (type, i) { return type.is(u[i]); }); }, function (u, c) {\n var e = exports.UnknownArray.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var us = e.right;\n var as = us.length > len ? us.slice(0, len) : us; // strip additional components\n var errors = [];\n for (var i = 0; i < len; i++) {\n var a = us[i];\n var type_3 = codecs[i];\n var result = type_3.validate(a, exports.appendContext(c, String(i), type_3, a));\n if (Either_1.isLeft(result)) {\n pushAll(errors, result.left);\n }\n else {\n var va = result.right;\n if (va !== a) {\n /* istanbul ignore next */\n if (as === us) {\n as = us.slice();\n }\n as[i] = va;\n }\n }\n }\n return errors.length > 0 ? exports.failures(errors) : exports.success(as);\n }, useIdentity(codecs) ? exports.identity : function (a) { return codecs.map(function (type, i) { return type.encode(a[i]); }); }, codecs);\n}\nexports.tuple = tuple;\n/**\n * @since 1.0.0\n */\nvar ReadonlyType = /** @class */ (function (_super) {\n __extends(ReadonlyType, _super);\n function ReadonlyType(name, is, validate, encode, type) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.type = type;\n /**\n * @since 1.0.0\n */\n _this._tag = 'ReadonlyType';\n return _this;\n }\n return ReadonlyType;\n}(Type));\nexports.ReadonlyType = ReadonlyType;\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.readonly = function (codec, name) {\n if (name === void 0) { name = \"Readonly<\" + codec.name + \">\"; }\n return new ReadonlyType(name, codec.is, codec.validate, codec.encode, codec);\n};\n/**\n * @since 1.0.0\n */\nvar ReadonlyArrayType = /** @class */ (function (_super) {\n __extends(ReadonlyArrayType, _super);\n function ReadonlyArrayType(name, is, validate, encode, type) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.type = type;\n /**\n * @since 1.0.0\n */\n _this._tag = 'ReadonlyArrayType';\n return _this;\n }\n return ReadonlyArrayType;\n}(Type));\nexports.ReadonlyArrayType = ReadonlyArrayType;\n/**\n * @category Combinators\n * @since 1.0.0\n */\nexports.readonlyArray = function (item, name) {\n if (name === void 0) { name = \"ReadonlyArray<\" + item.name + \">\"; }\n var codec = exports.array(item);\n return new ReadonlyArrayType(name, codec.is, codec.validate, codec.encode, item);\n};\n/**\n * Strips additional properties\n *\n * @category Combinators\n * @since 1.0.0\n */\nexports.strict = function (props, name) {\n return exports.exact(exports.type(props), name);\n};\n/**\n * @category deprecated\n * @since 1.3.0\n * @deprecated\n */\nvar TaggedUnionType = /** @class */ (function (_super) {\n __extends(TaggedUnionType, _super);\n function TaggedUnionType(name, \n // tslint:disable-next-line: deprecation\n is, \n // tslint:disable-next-line: deprecation\n validate, \n // tslint:disable-next-line: deprecation\n encode, codecs, tag) {\n var _this = _super.call(this, name, is, validate, encode, codecs) /* istanbul ignore next */ // <= workaround for https://github.com/Microsoft/TypeScript/issues/13455\n || this;\n _this.tag = tag;\n return _this;\n }\n return TaggedUnionType;\n}(UnionType));\nexports.TaggedUnionType = TaggedUnionType;\n/**\n * Use `union` instead\n *\n * @category deprecated\n * @since 1.3.0\n * @deprecated\n */\nexports.taggedUnion = function (tag, codecs, name\n// tslint:disable-next-line: deprecation\n) {\n if (name === void 0) { name = getUnionName(codecs); }\n var U = exports.union(codecs, name);\n // tslint:disable-next-line: deprecation\n if (U instanceof TaggedUnionType) {\n return U;\n }\n else {\n console.warn(\"[io-ts] Cannot build a tagged union for \" + name + \", returning a de-optimized union\");\n // tslint:disable-next-line: deprecation\n return new TaggedUnionType(name, U.is, U.validate, U.encode, codecs, tag);\n }\n};\n/**\n * @since 1.1.0\n */\nvar ExactType = /** @class */ (function (_super) {\n __extends(ExactType, _super);\n function ExactType(name, is, validate, encode, type) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.type = type;\n /**\n * @since 1.0.0\n */\n _this._tag = 'ExactType';\n return _this;\n }\n return ExactType;\n}(Type));\nexports.ExactType = ExactType;\nvar getProps = function (codec) {\n switch (codec._tag) {\n case 'RefinementType':\n case 'ReadonlyType':\n return getProps(codec.type);\n case 'InterfaceType':\n case 'StrictType':\n case 'PartialType':\n return codec.props;\n case 'IntersectionType':\n return codec.types.reduce(function (props, type) { return Object.assign(props, getProps(type)); }, {});\n }\n};\nvar stripKeys = function (o, props) {\n var keys = Object.getOwnPropertyNames(o);\n var shouldStrip = false;\n var r = {};\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i];\n if (!hasOwnProperty.call(props, key)) {\n shouldStrip = true;\n }\n else {\n r[key] = o[key];\n }\n }\n return shouldStrip ? r : o;\n};\nvar getExactTypeName = function (codec) {\n if (isTypeC(codec)) {\n return \"{| \" + getNameFromProps(codec.props) + \" |}\";\n }\n else if (isPartialC(codec)) {\n return getPartialTypeName(\"{| \" + getNameFromProps(codec.props) + \" |}\");\n }\n return \"Exact<\" + codec.name + \">\";\n};\n/**\n * Strips additional properties\n * @since 1.1.0\n */\nexports.exact = function (codec, name) {\n if (name === void 0) { name = getExactTypeName(codec); }\n var props = getProps(codec);\n return new ExactType(name, codec.is, function (u, c) {\n var e = exports.UnknownRecord.validate(u, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var ce = codec.validate(u, c);\n if (Either_1.isLeft(ce)) {\n return ce;\n }\n return Either_1.right(stripKeys(ce.right, props));\n }, function (a) { return codec.encode(stripKeys(a, props)); }, codec);\n};\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nexports.getValidationError /* istanbul ignore next */ = function (value, context) { return ({\n value: value,\n context: context\n}); };\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nexports.getDefaultContext /* istanbul ignore next */ = function (decoder) { return [\n { key: '', type: decoder }\n]; };\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nvar NeverType = /** @class */ (function (_super) {\n __extends(NeverType, _super);\n function NeverType() {\n var _this = _super.call(this, 'never', function (_) { return false; }, function (u, c) { return exports.failure(u, c); }, \n /* istanbul ignore next */\n function () {\n throw new Error('cannot encode never');\n }) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'NeverType';\n return _this;\n }\n return NeverType;\n}(Type));\nexports.NeverType = NeverType;\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\n// tslint:disable-next-line: deprecation\nexports.never = new NeverType();\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nvar AnyType = /** @class */ (function (_super) {\n __extends(AnyType, _super);\n function AnyType() {\n var _this = _super.call(this, 'any', function (_) { return true; }, exports.success, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'AnyType';\n return _this;\n }\n return AnyType;\n}(Type));\nexports.AnyType = AnyType;\n/**\n * Use `unknown` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\n// tslint:disable-next-line: deprecation\nexports.any = new AnyType();\n/**\n * Use `UnknownRecord` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nexports.Dictionary = exports.UnknownRecord;\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nvar ObjectType = /** @class */ (function (_super) {\n __extends(ObjectType, _super);\n function ObjectType() {\n var _this = _super.call(this, 'object', function (u) { return u !== null && typeof u === 'object'; }, function (u, c) { return (_this.is(u) ? exports.success(u) : exports.failure(u, c)); }, exports.identity) || this;\n /**\n * @since 1.0.0\n */\n _this._tag = 'ObjectType';\n return _this;\n }\n return ObjectType;\n}(Type));\nexports.ObjectType = ObjectType;\n/**\n * Use `UnknownRecord` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\n// tslint:disable-next-line: deprecation\nexports.object = new ObjectType();\n/**\n * Use `brand` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nfunction refinement(codec, predicate, name) {\n if (name === void 0) { name = \"(\" + codec.name + \" | \" + exports.getFunctionName(predicate) + \")\"; }\n return new RefinementType(name, function (u) { return codec.is(u) && predicate(u); }, function (i, c) {\n var e = codec.validate(i, c);\n if (Either_1.isLeft(e)) {\n return e;\n }\n var a = e.right;\n return predicate(a) ? exports.success(a) : exports.failure(a, c);\n }, codec.encode, codec, predicate);\n}\nexports.refinement = refinement;\n/**\n * Use `Int` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\n// tslint:disable-next-line: deprecation\nexports.Integer = refinement(exports.number, Number.isInteger, 'Integer');\n/**\n * Use `record` instead\n *\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nexports.dictionary = record;\n/**\n * @category deprecated\n * @since 1.0.0\n * @deprecated\n */\nvar StrictType = /** @class */ (function (_super) {\n __extends(StrictType, _super);\n function StrictType(name, \n // tslint:disable-next-line: deprecation\n is, \n // tslint:disable-next-line: deprecation\n validate, \n // tslint:disable-next-line: deprecation\n encode, props) {\n var _this = _super.call(this, name, is, validate, encode) || this;\n _this.props = props;\n /**\n * @since 1.0.0\n */\n _this._tag = 'StrictType';\n return _this;\n }\n return StrictType;\n}(Type));\nexports.StrictType = StrictType;\n/**\n * Drops the codec \"kind\"\n *\n * @category deprecated\n * @since 1.1.0\n * @deprecated\n */\nfunction clean(codec) {\n return codec;\n}\nexports.clean = clean;\nfunction alias(codec) {\n return function () { return codec; };\n}\nexports.alias = alias;\nvar isNonEmpty = function (as) { return as.length > 0; };\n/**\n * @internal\n */\nexports.emptyTags = {};\nfunction intersect(a, b) {\n var r = [];\n for (var _i = 0, a_1 = a; _i < a_1.length; _i++) {\n var v = a_1[_i];\n if (b.indexOf(v) !== -1) {\n r.push(v);\n }\n }\n return r;\n}\nfunction mergeTags(a, b) {\n if (a === exports.emptyTags) {\n return b;\n }\n if (b === exports.emptyTags) {\n return a;\n }\n var r = Object.assign({}, a);\n for (var k in b) {\n if (a.hasOwnProperty(k)) {\n var intersection_1 = intersect(a[k], b[k]);\n if (isNonEmpty(intersection_1)) {\n r[k] = intersection_1;\n }\n else {\n r = exports.emptyTags;\n break;\n }\n }\n else {\n r[k] = b[k];\n }\n }\n return r;\n}\nfunction intersectTags(a, b) {\n if (a === exports.emptyTags || b === exports.emptyTags) {\n return exports.emptyTags;\n }\n var r = exports.emptyTags;\n for (var k in a) {\n if (b.hasOwnProperty(k)) {\n var intersection_2 = intersect(a[k], b[k]);\n if (intersection_2.length === 0) {\n if (r === exports.emptyTags) {\n r = {};\n }\n r[k] = a[k].concat(b[k]);\n }\n }\n }\n return r;\n}\n// tslint:disable-next-line: deprecation\nfunction isAnyC(codec) {\n return codec._tag === 'AnyType';\n}\nfunction isLiteralC(codec) {\n return codec._tag === 'LiteralType';\n}\nfunction isKeyofC(codec) {\n return codec._tag === 'KeyofType';\n}\nfunction isTypeC(codec) {\n return codec._tag === 'InterfaceType';\n}\nfunction isPartialC(codec) {\n return codec._tag === 'PartialType';\n}\n// tslint:disable-next-line: deprecation\nfunction isStrictC(codec) {\n return codec._tag === 'StrictType';\n}\nfunction isExactC(codec) {\n return codec._tag === 'ExactType';\n}\n// tslint:disable-next-line: deprecation\nfunction isRefinementC(codec) {\n return codec._tag === 'RefinementType';\n}\nfunction isIntersectionC(codec) {\n return codec._tag === 'IntersectionType';\n}\nfunction isUnionC(codec) {\n return codec._tag === 'UnionType';\n}\nfunction isRecursiveC(codec) {\n return codec._tag === 'RecursiveType';\n}\nvar lazyCodecs = [];\n/**\n * @internal\n */\nfunction getTags(codec) {\n if (lazyCodecs.indexOf(codec) !== -1) {\n return exports.emptyTags;\n }\n if (isTypeC(codec) || isStrictC(codec)) {\n var index = exports.emptyTags;\n // tslint:disable-next-line: forin\n for (var k in codec.props) {\n var prop = codec.props[k];\n if (isLiteralC(prop)) {\n if (index === exports.emptyTags) {\n index = {};\n }\n index[k] = [prop.value];\n }\n }\n return index;\n }\n else if (isExactC(codec) || isRefinementC(codec)) {\n return getTags(codec.type);\n }\n else if (isIntersectionC(codec)) {\n return codec.types.reduce(function (tags, codec) { return mergeTags(tags, getTags(codec)); }, exports.emptyTags);\n }\n else if (isUnionC(codec)) {\n return codec.types.slice(1).reduce(function (tags, codec) { return intersectTags(tags, getTags(codec)); }, getTags(codec.types[0]));\n }\n else if (isRecursiveC(codec)) {\n lazyCodecs.push(codec);\n var tags = getTags(codec.type);\n lazyCodecs.pop();\n return tags;\n }\n return exports.emptyTags;\n}\nexports.getTags = getTags;\n/**\n * @internal\n */\nfunction getIndex(codecs) {\n var tags = getTags(codecs[0]);\n var keys = Object.keys(tags);\n var len = codecs.length;\n var _loop_1 = function (k) {\n var all = tags[k].slice();\n var index = [tags[k]];\n for (var i = 1; i < len; i++) {\n var codec = codecs[i];\n var ctags = getTags(codec);\n var values = ctags[k];\n // tslint:disable-next-line: strict-type-predicates\n if (values === undefined) {\n return \"continue-keys\";\n }\n else {\n if (values.some(function (v) { return all.indexOf(v) !== -1; })) {\n return \"continue-keys\";\n }\n else {\n all.push.apply(all, values);\n index.push(values);\n }\n }\n }\n return { value: [k, index] };\n };\n keys: for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {\n var k = keys_1[_i];\n var state_1 = _loop_1(k);\n if (typeof state_1 === \"object\")\n return state_1.value;\n switch (state_1) {\n case \"continue-keys\": continue keys;\n }\n }\n return undefined;\n}\nexports.getIndex = getIndex;\n","'use strict';\n\n\nvar loader = require('./lib/loader');\nvar dumper = require('./lib/dumper');\n\n\nfunction renamed(from, to) {\n return function () {\n throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +\n 'Use yaml.' + to + ' instead, which is now safe by default.');\n };\n}\n\n\nmodule.exports.Type = require('./lib/type');\nmodule.exports.Schema = require('./lib/schema');\nmodule.exports.FAILSAFE_SCHEMA = require('./lib/schema/failsafe');\nmodule.exports.JSON_SCHEMA = require('./lib/schema/json');\nmodule.exports.CORE_SCHEMA = require('./lib/schema/core');\nmodule.exports.DEFAULT_SCHEMA = require('./lib/schema/default');\nmodule.exports.load = loader.load;\nmodule.exports.loadAll = loader.loadAll;\nmodule.exports.dump = dumper.dump;\nmodule.exports.YAMLException = require('./lib/exception');\n\n// Removed functions from JS-YAML 3.0.x\nmodule.exports.safeLoad = renamed('safeLoad', 'load');\nmodule.exports.safeLoadAll = renamed('safeLoadAll', 'loadAll');\nmodule.exports.safeDump = renamed('safeDump', 'dump');\n","'use strict';\n\n\nfunction isNothing(subject) {\n return (typeof subject === 'undefined') || (subject === null);\n}\n\n\nfunction isObject(subject) {\n return (typeof subject === 'object') && (subject !== null);\n}\n\n\nfunction toArray(sequence) {\n if (Array.isArray(sequence)) return sequence;\n else if (isNothing(sequence)) return [];\n\n return [ sequence ];\n}\n\n\nfunction extend(target, source) {\n var index, length, key, sourceKeys;\n\n if (source) {\n sourceKeys = Object.keys(source);\n\n for (index = 0, length = sourceKeys.length; index < length; index += 1) {\n key = sourceKeys[index];\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\n\nfunction repeat(string, count) {\n var result = '', cycle;\n\n for (cycle = 0; cycle < count; cycle += 1) {\n result += string;\n }\n\n return result;\n}\n\n\nfunction isNegativeZero(number) {\n return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);\n}\n\n\nmodule.exports.isNothing = isNothing;\nmodule.exports.isObject = isObject;\nmodule.exports.toArray = toArray;\nmodule.exports.repeat = repeat;\nmodule.exports.isNegativeZero = isNegativeZero;\nmodule.exports.extend = extend;\n","'use strict';\n\n/*eslint-disable no-use-before-define*/\n\nvar common = require('./common');\nvar YAMLException = require('./exception');\nvar DEFAULT_SCHEMA = require('./schema/default');\n\nvar _toString = Object.prototype.toString;\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nvar CHAR_BOM = 0xFEFF;\nvar CHAR_TAB = 0x09; /* Tab */\nvar CHAR_LINE_FEED = 0x0A; /* LF */\nvar CHAR_CARRIAGE_RETURN = 0x0D; /* CR */\nvar CHAR_SPACE = 0x20; /* Space */\nvar CHAR_EXCLAMATION = 0x21; /* ! */\nvar CHAR_DOUBLE_QUOTE = 0x22; /* \" */\nvar CHAR_SHARP = 0x23; /* # */\nvar CHAR_PERCENT = 0x25; /* % */\nvar CHAR_AMPERSAND = 0x26; /* & */\nvar CHAR_SINGLE_QUOTE = 0x27; /* ' */\nvar CHAR_ASTERISK = 0x2A; /* * */\nvar CHAR_COMMA = 0x2C; /* , */\nvar CHAR_MINUS = 0x2D; /* - */\nvar CHAR_COLON = 0x3A; /* : */\nvar CHAR_EQUALS = 0x3D; /* = */\nvar CHAR_GREATER_THAN = 0x3E; /* > */\nvar CHAR_QUESTION = 0x3F; /* ? */\nvar CHAR_COMMERCIAL_AT = 0x40; /* @ */\nvar CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */\nvar CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */\nvar CHAR_GRAVE_ACCENT = 0x60; /* ` */\nvar CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */\nvar CHAR_VERTICAL_LINE = 0x7C; /* | */\nvar CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */\n\nvar ESCAPE_SEQUENCES = {};\n\nESCAPE_SEQUENCES[0x00] = '\\\\0';\nESCAPE_SEQUENCES[0x07] = '\\\\a';\nESCAPE_SEQUENCES[0x08] = '\\\\b';\nESCAPE_SEQUENCES[0x09] = '\\\\t';\nESCAPE_SEQUENCES[0x0A] = '\\\\n';\nESCAPE_SEQUENCES[0x0B] = '\\\\v';\nESCAPE_SEQUENCES[0x0C] = '\\\\f';\nESCAPE_SEQUENCES[0x0D] = '\\\\r';\nESCAPE_SEQUENCES[0x1B] = '\\\\e';\nESCAPE_SEQUENCES[0x22] = '\\\\\"';\nESCAPE_SEQUENCES[0x5C] = '\\\\\\\\';\nESCAPE_SEQUENCES[0x85] = '\\\\N';\nESCAPE_SEQUENCES[0xA0] = '\\\\_';\nESCAPE_SEQUENCES[0x2028] = '\\\\L';\nESCAPE_SEQUENCES[0x2029] = '\\\\P';\n\nvar DEPRECATED_BOOLEANS_SYNTAX = [\n 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',\n 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'\n];\n\nvar DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\\.[0-9_]*)?$/;\n\nfunction compileStyleMap(schema, map) {\n var result, keys, index, length, tag, style, type;\n\n if (map === null) return {};\n\n result = {};\n keys = Object.keys(map);\n\n for (index = 0, length = keys.length; index < length; index += 1) {\n tag = keys[index];\n style = String(map[tag]);\n\n if (tag.slice(0, 2) === '!!') {\n tag = 'tag:yaml.org,2002:' + tag.slice(2);\n }\n type = schema.compiledTypeMap['fallback'][tag];\n\n if (type && _hasOwnProperty.call(type.styleAliases, style)) {\n style = type.styleAliases[style];\n }\n\n result[tag] = style;\n }\n\n return result;\n}\n\nfunction encodeHex(character) {\n var string, handle, length;\n\n string = character.toString(16).toUpperCase();\n\n if (character <= 0xFF) {\n handle = 'x';\n length = 2;\n } else if (character <= 0xFFFF) {\n handle = 'u';\n length = 4;\n } else if (character <= 0xFFFFFFFF) {\n handle = 'U';\n length = 8;\n } else {\n throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF');\n }\n\n return '\\\\' + handle + common.repeat('0', length - string.length) + string;\n}\n\n\nvar QUOTING_TYPE_SINGLE = 1,\n QUOTING_TYPE_DOUBLE = 2;\n\nfunction State(options) {\n this.schema = options['schema'] || DEFAULT_SCHEMA;\n this.indent = Math.max(1, (options['indent'] || 2));\n this.noArrayIndent = options['noArrayIndent'] || false;\n this.skipInvalid = options['skipInvalid'] || false;\n this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);\n this.styleMap = compileStyleMap(this.schema, options['styles'] || null);\n this.sortKeys = options['sortKeys'] || false;\n this.lineWidth = options['lineWidth'] || 80;\n this.noRefs = options['noRefs'] || false;\n this.noCompatMode = options['noCompatMode'] || false;\n this.condenseFlow = options['condenseFlow'] || false;\n this.quotingType = options['quotingType'] === '\"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;\n this.forceQuotes = options['forceQuotes'] || false;\n this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null;\n\n this.implicitTypes = this.schema.compiledImplicit;\n this.explicitTypes = this.schema.compiledExplicit;\n\n this.tag = null;\n this.result = '';\n\n this.duplicates = [];\n this.usedDuplicates = null;\n}\n\n// Indents every line in a string. Empty lines (\\n only) are not indented.\nfunction indentString(string, spaces) {\n var ind = common.repeat(' ', spaces),\n position = 0,\n next = -1,\n result = '',\n line,\n length = string.length;\n\n while (position < length) {\n next = string.indexOf('\\n', position);\n if (next === -1) {\n line = string.slice(position);\n position = length;\n } else {\n line = string.slice(position, next + 1);\n position = next + 1;\n }\n\n if (line.length && line !== '\\n') result += ind;\n\n result += line;\n }\n\n return result;\n}\n\nfunction generateNextLine(state, level) {\n return '\\n' + common.repeat(' ', state.indent * level);\n}\n\nfunction testImplicitResolving(state, str) {\n var index, length, type;\n\n for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {\n type = state.implicitTypes[index];\n\n if (type.resolve(str)) {\n return true;\n }\n }\n\n return false;\n}\n\n// [33] s-white ::= s-space | s-tab\nfunction isWhitespace(c) {\n return c === CHAR_SPACE || c === CHAR_TAB;\n}\n\n// Returns true if the character can be printed without escaping.\n// From YAML 1.2: \"any allowed characters known to be non-printable\n// should also be escaped. [However,] This isn’t mandatory\"\n// Derived from nb-char - \\t - #x85 - #xA0 - #x2028 - #x2029.\nfunction isPrintable(c) {\n return (0x00020 <= c && c <= 0x00007E)\n || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)\n || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)\n || (0x10000 <= c && c <= 0x10FFFF);\n}\n\n// [34] ns-char ::= nb-char - s-white\n// [27] nb-char ::= c-printable - b-char - c-byte-order-mark\n// [26] b-char ::= b-line-feed | b-carriage-return\n// Including s-white (for some reason, examples doesn't match specs in this aspect)\n// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark\nfunction isNsCharOrWhitespace(c) {\n return isPrintable(c)\n && c !== CHAR_BOM\n // - b-char\n && c !== CHAR_CARRIAGE_RETURN\n && c !== CHAR_LINE_FEED;\n}\n\n// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out\n// c = flow-in ⇒ ns-plain-safe-in\n// c = block-key ⇒ ns-plain-safe-out\n// c = flow-key ⇒ ns-plain-safe-in\n// [128] ns-plain-safe-out ::= ns-char\n// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator\n// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” )\n// | ( /* An ns-char preceding */ “#” )\n// | ( “:” /* Followed by an ns-plain-safe(c) */ )\nfunction isPlainSafe(c, prev, inblock) {\n var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);\n var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);\n return (\n // ns-plain-safe\n inblock ? // c = flow-in\n cIsNsCharOrWhitespace\n : cIsNsCharOrWhitespace\n // - c-flow-indicator\n && c !== CHAR_COMMA\n && c !== CHAR_LEFT_SQUARE_BRACKET\n && c !== CHAR_RIGHT_SQUARE_BRACKET\n && c !== CHAR_LEFT_CURLY_BRACKET\n && c !== CHAR_RIGHT_CURLY_BRACKET\n )\n // ns-plain-char\n && c !== CHAR_SHARP // false on '#'\n && !(prev === CHAR_COLON && !cIsNsChar) // false on ': '\n || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'\n || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'\n}\n\n// Simplified test for values allowed as the first character in plain style.\nfunction isPlainSafeFirst(c) {\n // Uses a subset of ns-char - c-indicator\n // where ns-char = nb-char - s-white.\n // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part\n return isPrintable(c) && c !== CHAR_BOM\n && !isWhitespace(c) // - s-white\n // - (c-indicator ::=\n // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”\n && c !== CHAR_MINUS\n && c !== CHAR_QUESTION\n && c !== CHAR_COLON\n && c !== CHAR_COMMA\n && c !== CHAR_LEFT_SQUARE_BRACKET\n && c !== CHAR_RIGHT_SQUARE_BRACKET\n && c !== CHAR_LEFT_CURLY_BRACKET\n && c !== CHAR_RIGHT_CURLY_BRACKET\n // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “\"”\n && c !== CHAR_SHARP\n && c !== CHAR_AMPERSAND\n && c !== CHAR_ASTERISK\n && c !== CHAR_EXCLAMATION\n && c !== CHAR_VERTICAL_LINE\n && c !== CHAR_EQUALS\n && c !== CHAR_GREATER_THAN\n && c !== CHAR_SINGLE_QUOTE\n && c !== CHAR_DOUBLE_QUOTE\n // | “%” | “@” | “`”)\n && c !== CHAR_PERCENT\n && c !== CHAR_COMMERCIAL_AT\n && c !== CHAR_GRAVE_ACCENT;\n}\n\n// Simplified test for values allowed as the last character in plain style.\nfunction isPlainSafeLast(c) {\n // just not whitespace or colon, it will be checked to be plain character later\n return !isWhitespace(c) && c !== CHAR_COLON;\n}\n\n// Same as 'string'.codePointAt(pos), but works in older browsers.\nfunction codePointAt(string, pos) {\n var first = string.charCodeAt(pos), second;\n if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {\n second = string.charCodeAt(pos + 1);\n if (second >= 0xDC00 && second <= 0xDFFF) {\n // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n }\n }\n return first;\n}\n\n// Determines whether block indentation indicator is required.\nfunction needIndentIndicator(string) {\n var leadingSpaceRe = /^\\n* /;\n return leadingSpaceRe.test(string);\n}\n\nvar STYLE_PLAIN = 1,\n STYLE_SINGLE = 2,\n STYLE_LITERAL = 3,\n STYLE_FOLDED = 4,\n STYLE_DOUBLE = 5;\n\n// Determines which scalar styles are possible and returns the preferred style.\n// lineWidth = -1 => no limit.\n// Pre-conditions: str.length > 0.\n// Post-conditions:\n// STYLE_PLAIN or STYLE_SINGLE => no \\n are in the string.\n// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).\n// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).\nfunction chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,\n testAmbiguousType, quotingType, forceQuotes, inblock) {\n\n var i;\n var char = 0;\n var prevChar = null;\n var hasLineBreak = false;\n var hasFoldableLine = false; // only checked if shouldTrackWidth\n var shouldTrackWidth = lineWidth !== -1;\n var previousLineBreak = -1; // count the first line correctly\n var plain = isPlainSafeFirst(codePointAt(string, 0))\n && isPlainSafeLast(codePointAt(string, string.length - 1));\n\n if (singleLineOnly || forceQuotes) {\n // Case: no block styles.\n // Check for disallowed characters to rule out plain and single.\n for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n if (!isPrintable(char)) {\n return STYLE_DOUBLE;\n }\n plain = plain && isPlainSafe(char, prevChar, inblock);\n prevChar = char;\n }\n } else {\n // Case: block styles permitted.\n for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n if (char === CHAR_LINE_FEED) {\n hasLineBreak = true;\n // Check if any line can be folded.\n if (shouldTrackWidth) {\n hasFoldableLine = hasFoldableLine ||\n // Foldable line = too long, and not more-indented.\n (i - previousLineBreak - 1 > lineWidth &&\n string[previousLineBreak + 1] !== ' ');\n previousLineBreak = i;\n }\n } else if (!isPrintable(char)) {\n return STYLE_DOUBLE;\n }\n plain = plain && isPlainSafe(char, prevChar, inblock);\n prevChar = char;\n }\n // in case the end is missing a \\n\n hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&\n (i - previousLineBreak - 1 > lineWidth &&\n string[previousLineBreak + 1] !== ' '));\n }\n // Although every style can represent \\n without escaping, prefer block styles\n // for multiline, since they're more readable and they don't add empty lines.\n // Also prefer folding a super-long line.\n if (!hasLineBreak && !hasFoldableLine) {\n // Strings interpretable as another type have to be quoted;\n // e.g. the string 'true' vs. the boolean true.\n if (plain && !forceQuotes && !testAmbiguousType(string)) {\n return STYLE_PLAIN;\n }\n return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n }\n // Edge case: block indentation indicator can only have one digit.\n if (indentPerLevel > 9 && needIndentIndicator(string)) {\n return STYLE_DOUBLE;\n }\n // At this point we know block styles are valid.\n // Prefer literal style unless we want to fold.\n if (!forceQuotes) {\n return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;\n }\n return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n}\n\n// Note: line breaking/folding is implemented for only the folded style.\n// NB. We drop the last trailing newline (if any) of a returned block scalar\n// since the dumper adds its own newline. This always works:\n// • No ending newline => unaffected; already using strip \"-\" chomping.\n// • Ending newline => removed then restored.\n// Importantly, this keeps the \"+\" chomp indicator from gaining an extra line.\nfunction writeScalar(state, string, level, iskey, inblock) {\n state.dump = (function () {\n if (string.length === 0) {\n return state.quotingType === QUOTING_TYPE_DOUBLE ? '\"\"' : \"''\";\n }\n if (!state.noCompatMode) {\n if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {\n return state.quotingType === QUOTING_TYPE_DOUBLE ? ('\"' + string + '\"') : (\"'\" + string + \"'\");\n }\n }\n\n var indent = state.indent * Math.max(1, level); // no 0-indent scalars\n // As indentation gets deeper, let the width decrease monotonically\n // to the lower bound min(state.lineWidth, 40).\n // Note that this implies\n // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.\n // state.lineWidth > 40 + state.indent: width decreases until the lower bound.\n // This behaves better than a constant minimum width which disallows narrower options,\n // or an indent threshold which causes the width to suddenly increase.\n var lineWidth = state.lineWidth === -1\n ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);\n\n // Without knowing if keys are implicit/explicit, assume implicit for safety.\n var singleLineOnly = iskey\n // No block styles in flow mode.\n || (state.flowLevel > -1 && level >= state.flowLevel);\n function testAmbiguity(string) {\n return testImplicitResolving(state, string);\n }\n\n switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,\n testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {\n\n case STYLE_PLAIN:\n return string;\n case STYLE_SINGLE:\n return \"'\" + string.replace(/'/g, \"''\") + \"'\";\n case STYLE_LITERAL:\n return '|' + blockHeader(string, state.indent)\n + dropEndingNewline(indentString(string, indent));\n case STYLE_FOLDED:\n return '>' + blockHeader(string, state.indent)\n + dropEndingNewline(indentString(foldString(string, lineWidth), indent));\n case STYLE_DOUBLE:\n return '\"' + escapeString(string, lineWidth) + '\"';\n default:\n throw new YAMLException('impossible error: invalid scalar style');\n }\n }());\n}\n\n// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.\nfunction blockHeader(string, indentPerLevel) {\n var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';\n\n // note the special case: the string '\\n' counts as a \"trailing\" empty line.\n var clip = string[string.length - 1] === '\\n';\n var keep = clip && (string[string.length - 2] === '\\n' || string === '\\n');\n var chomp = keep ? '+' : (clip ? '' : '-');\n\n return indentIndicator + chomp + '\\n';\n}\n\n// (See the note for writeScalar.)\nfunction dropEndingNewline(string) {\n return string[string.length - 1] === '\\n' ? string.slice(0, -1) : string;\n}\n\n// Note: a long line without a suitable break point will exceed the width limit.\n// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.\nfunction foldString(string, width) {\n // In folded style, $k$ consecutive newlines output as $k+1$ newlines—\n // unless they're before or after a more-indented line, or at the very\n // beginning or end, in which case $k$ maps to $k$.\n // Therefore, parse each chunk as newline(s) followed by a content line.\n var lineRe = /(\\n+)([^\\n]*)/g;\n\n // first line (possibly an empty line)\n var result = (function () {\n var nextLF = string.indexOf('\\n');\n nextLF = nextLF !== -1 ? nextLF : string.length;\n lineRe.lastIndex = nextLF;\n return foldLine(string.slice(0, nextLF), width);\n }());\n // If we haven't reached the first content line yet, don't add an extra \\n.\n var prevMoreIndented = string[0] === '\\n' || string[0] === ' ';\n var moreIndented;\n\n // rest of the lines\n var match;\n while ((match = lineRe.exec(string))) {\n var prefix = match[1], line = match[2];\n moreIndented = (line[0] === ' ');\n result += prefix\n + (!prevMoreIndented && !moreIndented && line !== ''\n ? '\\n' : '')\n + foldLine(line, width);\n prevMoreIndented = moreIndented;\n }\n\n return result;\n}\n\n// Greedy line breaking.\n// Picks the longest line under the limit each time,\n// otherwise settles for the shortest line over the limit.\n// NB. More-indented lines *cannot* be folded, as that would add an extra \\n.\nfunction foldLine(line, width) {\n if (line === '' || line[0] === ' ') return line;\n\n // Since a more-indented line adds a \\n, breaks can't be followed by a space.\n var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.\n var match;\n // start is an inclusive index. end, curr, and next are exclusive.\n var start = 0, end, curr = 0, next = 0;\n var result = '';\n\n // Invariants: 0 <= start <= length-1.\n // 0 <= curr <= next <= max(0, length-2). curr - start <= width.\n // Inside the loop:\n // A match implies length >= 2, so curr and next are <= length-2.\n while ((match = breakRe.exec(line))) {\n next = match.index;\n // maintain invariant: curr - start <= width\n if (next - start > width) {\n end = (curr > start) ? curr : next; // derive end <= length-2\n result += '\\n' + line.slice(start, end);\n // skip the space that was output as \\n\n start = end + 1; // derive start <= length-1\n }\n curr = next;\n }\n\n // By the invariants, start <= length-1, so there is something left over.\n // It is either the whole string or a part starting from non-whitespace.\n result += '\\n';\n // Insert a break if the remainder is too long and there is a break available.\n if (line.length - start > width && curr > start) {\n result += line.slice(start, curr) + '\\n' + line.slice(curr + 1);\n } else {\n result += line.slice(start);\n }\n\n return result.slice(1); // drop extra \\n joiner\n}\n\n// Escapes a double-quoted string.\nfunction escapeString(string) {\n var result = '';\n var char = 0;\n var escapeSeq;\n\n for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n escapeSeq = ESCAPE_SEQUENCES[char];\n\n if (!escapeSeq && isPrintable(char)) {\n result += string[i];\n if (char >= 0x10000) result += string[i + 1];\n } else {\n result += escapeSeq || encodeHex(char);\n }\n }\n\n return result;\n}\n\nfunction writeFlowSequence(state, level, object) {\n var _result = '',\n _tag = state.tag,\n index,\n length,\n value;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n value = object[index];\n\n if (state.replacer) {\n value = state.replacer.call(object, String(index), value);\n }\n\n // Write only valid elements, put null instead of invalid elements.\n if (writeNode(state, level, value, false, false) ||\n (typeof value === 'undefined' &&\n writeNode(state, level, null, false, false))) {\n\n if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');\n _result += state.dump;\n }\n }\n\n state.tag = _tag;\n state.dump = '[' + _result + ']';\n}\n\nfunction writeBlockSequence(state, level, object, compact) {\n var _result = '',\n _tag = state.tag,\n index,\n length,\n value;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n value = object[index];\n\n if (state.replacer) {\n value = state.replacer.call(object, String(index), value);\n }\n\n // Write only valid elements, put null instead of invalid elements.\n if (writeNode(state, level + 1, value, true, true, false, true) ||\n (typeof value === 'undefined' &&\n writeNode(state, level + 1, null, true, true, false, true))) {\n\n if (!compact || _result !== '') {\n _result += generateNextLine(state, level);\n }\n\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n _result += '-';\n } else {\n _result += '- ';\n }\n\n _result += state.dump;\n }\n }\n\n state.tag = _tag;\n state.dump = _result || '[]'; // Empty sequence if no valid values.\n}\n\nfunction writeFlowMapping(state, level, object) {\n var _result = '',\n _tag = state.tag,\n objectKeyList = Object.keys(object),\n index,\n length,\n objectKey,\n objectValue,\n pairBuffer;\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n\n pairBuffer = '';\n if (_result !== '') pairBuffer += ', ';\n\n if (state.condenseFlow) pairBuffer += '\"';\n\n objectKey = objectKeyList[index];\n objectValue = object[objectKey];\n\n if (state.replacer) {\n objectValue = state.replacer.call(object, objectKey, objectValue);\n }\n\n if (!writeNode(state, level, objectKey, false, false)) {\n continue; // Skip this pair because of invalid key;\n }\n\n if (state.dump.length > 1024) pairBuffer += '? ';\n\n pairBuffer += state.dump + (state.condenseFlow ? '\"' : '') + ':' + (state.condenseFlow ? '' : ' ');\n\n if (!writeNode(state, level, objectValue, false, false)) {\n continue; // Skip this pair because of invalid value.\n }\n\n pairBuffer += state.dump;\n\n // Both key and value are valid.\n _result += pairBuffer;\n }\n\n state.tag = _tag;\n state.dump = '{' + _result + '}';\n}\n\nfunction writeBlockMapping(state, level, object, compact) {\n var _result = '',\n _tag = state.tag,\n objectKeyList = Object.keys(object),\n index,\n length,\n objectKey,\n objectValue,\n explicitPair,\n pairBuffer;\n\n // Allow sorting keys so that the output file is deterministic\n if (state.sortKeys === true) {\n // Default sorting\n objectKeyList.sort();\n } else if (typeof state.sortKeys === 'function') {\n // Custom sort function\n objectKeyList.sort(state.sortKeys);\n } else if (state.sortKeys) {\n // Something is wrong\n throw new YAMLException('sortKeys must be a boolean or a function');\n }\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n pairBuffer = '';\n\n if (!compact || _result !== '') {\n pairBuffer += generateNextLine(state, level);\n }\n\n objectKey = objectKeyList[index];\n objectValue = object[objectKey];\n\n if (state.replacer) {\n objectValue = state.replacer.call(object, objectKey, objectValue);\n }\n\n if (!writeNode(state, level + 1, objectKey, true, true, true)) {\n continue; // Skip this pair because of invalid key.\n }\n\n explicitPair = (state.tag !== null && state.tag !== '?') ||\n (state.dump && state.dump.length > 1024);\n\n if (explicitPair) {\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n pairBuffer += '?';\n } else {\n pairBuffer += '? ';\n }\n }\n\n pairBuffer += state.dump;\n\n if (explicitPair) {\n pairBuffer += generateNextLine(state, level);\n }\n\n if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {\n continue; // Skip this pair because of invalid value.\n }\n\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n pairBuffer += ':';\n } else {\n pairBuffer += ': ';\n }\n\n pairBuffer += state.dump;\n\n // Both key and value are valid.\n _result += pairBuffer;\n }\n\n state.tag = _tag;\n state.dump = _result || '{}'; // Empty mapping if no valid pairs.\n}\n\nfunction detectType(state, object, explicit) {\n var _result, typeList, index, length, type, style;\n\n typeList = explicit ? state.explicitTypes : state.implicitTypes;\n\n for (index = 0, length = typeList.length; index < length; index += 1) {\n type = typeList[index];\n\n if ((type.instanceOf || type.predicate) &&\n (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&\n (!type.predicate || type.predicate(object))) {\n\n if (explicit) {\n if (type.multi && type.representName) {\n state.tag = type.representName(object);\n } else {\n state.tag = type.tag;\n }\n } else {\n state.tag = '?';\n }\n\n if (type.represent) {\n style = state.styleMap[type.tag] || type.defaultStyle;\n\n if (_toString.call(type.represent) === '[object Function]') {\n _result = type.represent(object, style);\n } else if (_hasOwnProperty.call(type.represent, style)) {\n _result = type.represent[style](object, style);\n } else {\n throw new YAMLException('!<' + type.tag + '> tag resolver accepts not \"' + style + '\" style');\n }\n\n state.dump = _result;\n }\n\n return true;\n }\n }\n\n return false;\n}\n\n// Serializes `object` and writes it to global `result`.\n// Returns true on success, or false on invalid object.\n//\nfunction writeNode(state, level, object, block, compact, iskey, isblockseq) {\n state.tag = null;\n state.dump = object;\n\n if (!detectType(state, object, false)) {\n detectType(state, object, true);\n }\n\n var type = _toString.call(state.dump);\n var inblock = block;\n var tagStr;\n\n if (block) {\n block = (state.flowLevel < 0 || state.flowLevel > level);\n }\n\n var objectOrArray = type === '[object Object]' || type === '[object Array]',\n duplicateIndex,\n duplicate;\n\n if (objectOrArray) {\n duplicateIndex = state.duplicates.indexOf(object);\n duplicate = duplicateIndex !== -1;\n }\n\n if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {\n compact = false;\n }\n\n if (duplicate && state.usedDuplicates[duplicateIndex]) {\n state.dump = '*ref_' + duplicateIndex;\n } else {\n if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {\n state.usedDuplicates[duplicateIndex] = true;\n }\n if (type === '[object Object]') {\n if (block && (Object.keys(state.dump).length !== 0)) {\n writeBlockMapping(state, level, state.dump, compact);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + state.dump;\n }\n } else {\n writeFlowMapping(state, level, state.dump);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n }\n }\n } else if (type === '[object Array]') {\n if (block && (state.dump.length !== 0)) {\n if (state.noArrayIndent && !isblockseq && level > 0) {\n writeBlockSequence(state, level - 1, state.dump, compact);\n } else {\n writeBlockSequence(state, level, state.dump, compact);\n }\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + state.dump;\n }\n } else {\n writeFlowSequence(state, level, state.dump);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n }\n }\n } else if (type === '[object String]') {\n if (state.tag !== '?') {\n writeScalar(state, state.dump, level, iskey, inblock);\n }\n } else if (type === '[object Undefined]') {\n return false;\n } else {\n if (state.skipInvalid) return false;\n throw new YAMLException('unacceptable kind of an object to dump ' + type);\n }\n\n if (state.tag !== null && state.tag !== '?') {\n // Need to encode all characters except those allowed by the spec:\n //\n // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */\n // [36] ns-hex-digit ::= ns-dec-digit\n // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */\n // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */\n // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-”\n // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#”\n // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,”\n // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]”\n //\n // Also need to encode '!' because it has special meaning (end of tag prefix).\n //\n tagStr = encodeURI(\n state.tag[0] === '!' ? state.tag.slice(1) : state.tag\n ).replace(/!/g, '%21');\n\n if (state.tag[0] === '!') {\n tagStr = '!' + tagStr;\n } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {\n tagStr = '!!' + tagStr.slice(18);\n } else {\n tagStr = '!<' + tagStr + '>';\n }\n\n state.dump = tagStr + ' ' + state.dump;\n }\n }\n\n return true;\n}\n\nfunction getDuplicateReferences(object, state) {\n var objects = [],\n duplicatesIndexes = [],\n index,\n length;\n\n inspectNode(object, objects, duplicatesIndexes);\n\n for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {\n state.duplicates.push(objects[duplicatesIndexes[index]]);\n }\n state.usedDuplicates = new Array(length);\n}\n\nfunction inspectNode(object, objects, duplicatesIndexes) {\n var objectKeyList,\n index,\n length;\n\n if (object !== null && typeof object === 'object') {\n index = objects.indexOf(object);\n if (index !== -1) {\n if (duplicatesIndexes.indexOf(index) === -1) {\n duplicatesIndexes.push(index);\n }\n } else {\n objects.push(object);\n\n if (Array.isArray(object)) {\n for (index = 0, length = object.length; index < length; index += 1) {\n inspectNode(object[index], objects, duplicatesIndexes);\n }\n } else {\n objectKeyList = Object.keys(object);\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);\n }\n }\n }\n }\n}\n\nfunction dump(input, options) {\n options = options || {};\n\n var state = new State(options);\n\n if (!state.noRefs) getDuplicateReferences(input, state);\n\n var value = input;\n\n if (state.replacer) {\n value = state.replacer.call({ '': value }, '', value);\n }\n\n if (writeNode(state, 0, value, true, true)) return state.dump + '\\n';\n\n return '';\n}\n\nmodule.exports.dump = dump;\n","// YAML error class. http://stackoverflow.com/questions/8458984\n//\n'use strict';\n\n\nfunction formatError(exception, compact) {\n var where = '', message = exception.reason || '(unknown reason)';\n\n if (!exception.mark) return message;\n\n if (exception.mark.name) {\n where += 'in \"' + exception.mark.name + '\" ';\n }\n\n where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';\n\n if (!compact && exception.mark.snippet) {\n where += '\\n\\n' + exception.mark.snippet;\n }\n\n return message + ' ' + where;\n}\n\n\nfunction YAMLException(reason, mark) {\n // Super constructor\n Error.call(this);\n\n this.name = 'YAMLException';\n this.reason = reason;\n this.mark = mark;\n this.message = formatError(this, false);\n\n // Include stack trace in error object\n if (Error.captureStackTrace) {\n // Chrome and NodeJS\n Error.captureStackTrace(this, this.constructor);\n } else {\n // FF, IE 10+ and Safari 6+. Fallback for others\n this.stack = (new Error()).stack || '';\n }\n}\n\n\n// Inherit from Error\nYAMLException.prototype = Object.create(Error.prototype);\nYAMLException.prototype.constructor = YAMLException;\n\n\nYAMLException.prototype.toString = function toString(compact) {\n return this.name + ': ' + formatError(this, compact);\n};\n\n\nmodule.exports = YAMLException;\n","'use strict';\n\n/*eslint-disable max-len,no-use-before-define*/\n\nvar common = require('./common');\nvar YAMLException = require('./exception');\nvar makeSnippet = require('./snippet');\nvar DEFAULT_SCHEMA = require('./schema/default');\n\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\n\nvar CONTEXT_FLOW_IN = 1;\nvar CONTEXT_FLOW_OUT = 2;\nvar CONTEXT_BLOCK_IN = 3;\nvar CONTEXT_BLOCK_OUT = 4;\n\n\nvar CHOMPING_CLIP = 1;\nvar CHOMPING_STRIP = 2;\nvar CHOMPING_KEEP = 3;\n\n\nvar PATTERN_NON_PRINTABLE = /[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F-\\x84\\x86-\\x9F\\uFFFE\\uFFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/;\nvar PATTERN_NON_ASCII_LINE_BREAKS = /[\\x85\\u2028\\u2029]/;\nvar PATTERN_FLOW_INDICATORS = /[,\\[\\]\\{\\}]/;\nvar PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\\-]+!)$/i;\nvar PATTERN_TAG_URI = /^(?:!|[^,\\[\\]\\{\\}])(?:%[0-9a-f]{2}|[0-9a-z\\-#;\\/\\?:@&=\\+\\$,_\\.!~\\*'\\(\\)\\[\\]])*$/i;\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction is_EOL(c) {\n return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);\n}\n\nfunction is_WHITE_SPACE(c) {\n return (c === 0x09/* Tab */) || (c === 0x20/* Space */);\n}\n\nfunction is_WS_OR_EOL(c) {\n return (c === 0x09/* Tab */) ||\n (c === 0x20/* Space */) ||\n (c === 0x0A/* LF */) ||\n (c === 0x0D/* CR */);\n}\n\nfunction is_FLOW_INDICATOR(c) {\n return c === 0x2C/* , */ ||\n c === 0x5B/* [ */ ||\n c === 0x5D/* ] */ ||\n c === 0x7B/* { */ ||\n c === 0x7D/* } */;\n}\n\nfunction fromHexCode(c) {\n var lc;\n\n if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n return c - 0x30;\n }\n\n /*eslint-disable no-bitwise*/\n lc = c | 0x20;\n\n if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {\n return lc - 0x61 + 10;\n }\n\n return -1;\n}\n\nfunction escapedHexLen(c) {\n if (c === 0x78/* x */) { return 2; }\n if (c === 0x75/* u */) { return 4; }\n if (c === 0x55/* U */) { return 8; }\n return 0;\n}\n\nfunction fromDecimalCode(c) {\n if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n return c - 0x30;\n }\n\n return -1;\n}\n\nfunction simpleEscapeSequence(c) {\n /* eslint-disable indent */\n return (c === 0x30/* 0 */) ? '\\x00' :\n (c === 0x61/* a */) ? '\\x07' :\n (c === 0x62/* b */) ? '\\x08' :\n (c === 0x74/* t */) ? '\\x09' :\n (c === 0x09/* Tab */) ? '\\x09' :\n (c === 0x6E/* n */) ? '\\x0A' :\n (c === 0x76/* v */) ? '\\x0B' :\n (c === 0x66/* f */) ? '\\x0C' :\n (c === 0x72/* r */) ? '\\x0D' :\n (c === 0x65/* e */) ? '\\x1B' :\n (c === 0x20/* Space */) ? ' ' :\n (c === 0x22/* \" */) ? '\\x22' :\n (c === 0x2F/* / */) ? '/' :\n (c === 0x5C/* \\ */) ? '\\x5C' :\n (c === 0x4E/* N */) ? '\\x85' :\n (c === 0x5F/* _ */) ? '\\xA0' :\n (c === 0x4C/* L */) ? '\\u2028' :\n (c === 0x50/* P */) ? '\\u2029' : '';\n}\n\nfunction charFromCodepoint(c) {\n if (c <= 0xFFFF) {\n return String.fromCharCode(c);\n }\n // Encode UTF-16 surrogate pair\n // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF\n return String.fromCharCode(\n ((c - 0x010000) >> 10) + 0xD800,\n ((c - 0x010000) & 0x03FF) + 0xDC00\n );\n}\n\nvar simpleEscapeCheck = new Array(256); // integer, for fast access\nvar simpleEscapeMap = new Array(256);\nfor (var i = 0; i < 256; i++) {\n simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;\n simpleEscapeMap[i] = simpleEscapeSequence(i);\n}\n\n\nfunction State(input, options) {\n this.input = input;\n\n this.filename = options['filename'] || null;\n this.schema = options['schema'] || DEFAULT_SCHEMA;\n this.onWarning = options['onWarning'] || null;\n // (Hidden) Remove? makes the loader to expect YAML 1.1 documents\n // if such documents have no explicit %YAML directive\n this.legacy = options['legacy'] || false;\n\n this.json = options['json'] || false;\n this.listener = options['listener'] || null;\n\n this.implicitTypes = this.schema.compiledImplicit;\n this.typeMap = this.schema.compiledTypeMap;\n\n this.length = input.length;\n this.position = 0;\n this.line = 0;\n this.lineStart = 0;\n this.lineIndent = 0;\n\n // position of first leading tab in the current line,\n // used to make sure there are no tabs in the indentation\n this.firstTabInLine = -1;\n\n this.documents = [];\n\n /*\n this.version;\n this.checkLineBreaks;\n this.tagMap;\n this.anchorMap;\n this.tag;\n this.anchor;\n this.kind;\n this.result;*/\n\n}\n\n\nfunction generateError(state, message) {\n var mark = {\n name: state.filename,\n buffer: state.input.slice(0, -1), // omit trailing \\0\n position: state.position,\n line: state.line,\n column: state.position - state.lineStart\n };\n\n mark.snippet = makeSnippet(mark);\n\n return new YAMLException(message, mark);\n}\n\nfunction throwError(state, message) {\n throw generateError(state, message);\n}\n\nfunction throwWarning(state, message) {\n if (state.onWarning) {\n state.onWarning.call(null, generateError(state, message));\n }\n}\n\n\nvar directiveHandlers = {\n\n YAML: function handleYamlDirective(state, name, args) {\n\n var match, major, minor;\n\n if (state.version !== null) {\n throwError(state, 'duplication of %YAML directive');\n }\n\n if (args.length !== 1) {\n throwError(state, 'YAML directive accepts exactly one argument');\n }\n\n match = /^([0-9]+)\\.([0-9]+)$/.exec(args[0]);\n\n if (match === null) {\n throwError(state, 'ill-formed argument of the YAML directive');\n }\n\n major = parseInt(match[1], 10);\n minor = parseInt(match[2], 10);\n\n if (major !== 1) {\n throwError(state, 'unacceptable YAML version of the document');\n }\n\n state.version = args[0];\n state.checkLineBreaks = (minor < 2);\n\n if (minor !== 1 && minor !== 2) {\n throwWarning(state, 'unsupported YAML version of the document');\n }\n },\n\n TAG: function handleTagDirective(state, name, args) {\n\n var handle, prefix;\n\n if (args.length !== 2) {\n throwError(state, 'TAG directive accepts exactly two arguments');\n }\n\n handle = args[0];\n prefix = args[1];\n\n if (!PATTERN_TAG_HANDLE.test(handle)) {\n throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');\n }\n\n if (_hasOwnProperty.call(state.tagMap, handle)) {\n throwError(state, 'there is a previously declared suffix for \"' + handle + '\" tag handle');\n }\n\n if (!PATTERN_TAG_URI.test(prefix)) {\n throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');\n }\n\n try {\n prefix = decodeURIComponent(prefix);\n } catch (err) {\n throwError(state, 'tag prefix is malformed: ' + prefix);\n }\n\n state.tagMap[handle] = prefix;\n }\n};\n\n\nfunction captureSegment(state, start, end, checkJson) {\n var _position, _length, _character, _result;\n\n if (start < end) {\n _result = state.input.slice(start, end);\n\n if (checkJson) {\n for (_position = 0, _length = _result.length; _position < _length; _position += 1) {\n _character = _result.charCodeAt(_position);\n if (!(_character === 0x09 ||\n (0x20 <= _character && _character <= 0x10FFFF))) {\n throwError(state, 'expected valid JSON character');\n }\n }\n } else if (PATTERN_NON_PRINTABLE.test(_result)) {\n throwError(state, 'the stream contains non-printable characters');\n }\n\n state.result += _result;\n }\n}\n\nfunction mergeMappings(state, destination, source, overridableKeys) {\n var sourceKeys, key, index, quantity;\n\n if (!common.isObject(source)) {\n throwError(state, 'cannot merge mappings; the provided source object is unacceptable');\n }\n\n sourceKeys = Object.keys(source);\n\n for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {\n key = sourceKeys[index];\n\n if (!_hasOwnProperty.call(destination, key)) {\n destination[key] = source[key];\n overridableKeys[key] = true;\n }\n }\n}\n\nfunction storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,\n startLine, startLineStart, startPos) {\n\n var index, quantity;\n\n // The output is a plain object here, so keys can only be strings.\n // We need to convert keyNode to a string, but doing so can hang the process\n // (deeply nested arrays that explode exponentially using aliases).\n if (Array.isArray(keyNode)) {\n keyNode = Array.prototype.slice.call(keyNode);\n\n for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {\n if (Array.isArray(keyNode[index])) {\n throwError(state, 'nested arrays are not supported inside keys');\n }\n\n if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {\n keyNode[index] = '[object Object]';\n }\n }\n }\n\n // Avoid code execution in load() via toString property\n // (still use its own toString for arrays, timestamps,\n // and whatever user schema extensions happen to have @@toStringTag)\n if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {\n keyNode = '[object Object]';\n }\n\n\n keyNode = String(keyNode);\n\n if (_result === null) {\n _result = {};\n }\n\n if (keyTag === 'tag:yaml.org,2002:merge') {\n if (Array.isArray(valueNode)) {\n for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {\n mergeMappings(state, _result, valueNode[index], overridableKeys);\n }\n } else {\n mergeMappings(state, _result, valueNode, overridableKeys);\n }\n } else {\n if (!state.json &&\n !_hasOwnProperty.call(overridableKeys, keyNode) &&\n _hasOwnProperty.call(_result, keyNode)) {\n state.line = startLine || state.line;\n state.lineStart = startLineStart || state.lineStart;\n state.position = startPos || state.position;\n throwError(state, 'duplicated mapping key');\n }\n\n // used for this specific key only because Object.defineProperty is slow\n if (keyNode === '__proto__') {\n Object.defineProperty(_result, keyNode, {\n configurable: true,\n enumerable: true,\n writable: true,\n value: valueNode\n });\n } else {\n _result[keyNode] = valueNode;\n }\n delete overridableKeys[keyNode];\n }\n\n return _result;\n}\n\nfunction readLineBreak(state) {\n var ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x0A/* LF */) {\n state.position++;\n } else if (ch === 0x0D/* CR */) {\n state.position++;\n if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {\n state.position++;\n }\n } else {\n throwError(state, 'a line break is expected');\n }\n\n state.line += 1;\n state.lineStart = state.position;\n state.firstTabInLine = -1;\n}\n\nfunction skipSeparationSpace(state, allowComments, checkIndent) {\n var lineBreaks = 0,\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n while (is_WHITE_SPACE(ch)) {\n if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {\n state.firstTabInLine = state.position;\n }\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (allowComments && ch === 0x23/* # */) {\n do {\n ch = state.input.charCodeAt(++state.position);\n } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);\n }\n\n if (is_EOL(ch)) {\n readLineBreak(state);\n\n ch = state.input.charCodeAt(state.position);\n lineBreaks++;\n state.lineIndent = 0;\n\n while (ch === 0x20/* Space */) {\n state.lineIndent++;\n ch = state.input.charCodeAt(++state.position);\n }\n } else {\n break;\n }\n }\n\n if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {\n throwWarning(state, 'deficient indentation');\n }\n\n return lineBreaks;\n}\n\nfunction testDocumentSeparator(state) {\n var _position = state.position,\n ch;\n\n ch = state.input.charCodeAt(_position);\n\n // Condition state.position === state.lineStart is tested\n // in parent on each call, for efficiency. No needs to test here again.\n if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&\n ch === state.input.charCodeAt(_position + 1) &&\n ch === state.input.charCodeAt(_position + 2)) {\n\n _position += 3;\n\n ch = state.input.charCodeAt(_position);\n\n if (ch === 0 || is_WS_OR_EOL(ch)) {\n return true;\n }\n }\n\n return false;\n}\n\nfunction writeFoldedLines(state, count) {\n if (count === 1) {\n state.result += ' ';\n } else if (count > 1) {\n state.result += common.repeat('\\n', count - 1);\n }\n}\n\n\nfunction readPlainScalar(state, nodeIndent, withinFlowCollection) {\n var preceding,\n following,\n captureStart,\n captureEnd,\n hasPendingContent,\n _line,\n _lineStart,\n _lineIndent,\n _kind = state.kind,\n _result = state.result,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (is_WS_OR_EOL(ch) ||\n is_FLOW_INDICATOR(ch) ||\n ch === 0x23/* # */ ||\n ch === 0x26/* & */ ||\n ch === 0x2A/* * */ ||\n ch === 0x21/* ! */ ||\n ch === 0x7C/* | */ ||\n ch === 0x3E/* > */ ||\n ch === 0x27/* ' */ ||\n ch === 0x22/* \" */ ||\n ch === 0x25/* % */ ||\n ch === 0x40/* @ */ ||\n ch === 0x60/* ` */) {\n return false;\n }\n\n if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following) ||\n withinFlowCollection && is_FLOW_INDICATOR(following)) {\n return false;\n }\n }\n\n state.kind = 'scalar';\n state.result = '';\n captureStart = captureEnd = state.position;\n hasPendingContent = false;\n\n while (ch !== 0) {\n if (ch === 0x3A/* : */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following) ||\n withinFlowCollection && is_FLOW_INDICATOR(following)) {\n break;\n }\n\n } else if (ch === 0x23/* # */) {\n preceding = state.input.charCodeAt(state.position - 1);\n\n if (is_WS_OR_EOL(preceding)) {\n break;\n }\n\n } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||\n withinFlowCollection && is_FLOW_INDICATOR(ch)) {\n break;\n\n } else if (is_EOL(ch)) {\n _line = state.line;\n _lineStart = state.lineStart;\n _lineIndent = state.lineIndent;\n skipSeparationSpace(state, false, -1);\n\n if (state.lineIndent >= nodeIndent) {\n hasPendingContent = true;\n ch = state.input.charCodeAt(state.position);\n continue;\n } else {\n state.position = captureEnd;\n state.line = _line;\n state.lineStart = _lineStart;\n state.lineIndent = _lineIndent;\n break;\n }\n }\n\n if (hasPendingContent) {\n captureSegment(state, captureStart, captureEnd, false);\n writeFoldedLines(state, state.line - _line);\n captureStart = captureEnd = state.position;\n hasPendingContent = false;\n }\n\n if (!is_WHITE_SPACE(ch)) {\n captureEnd = state.position + 1;\n }\n\n ch = state.input.charCodeAt(++state.position);\n }\n\n captureSegment(state, captureStart, captureEnd, false);\n\n if (state.result) {\n return true;\n }\n\n state.kind = _kind;\n state.result = _result;\n return false;\n}\n\nfunction readSingleQuotedScalar(state, nodeIndent) {\n var ch,\n captureStart, captureEnd;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x27/* ' */) {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n state.position++;\n captureStart = captureEnd = state.position;\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n if (ch === 0x27/* ' */) {\n captureSegment(state, captureStart, state.position, true);\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x27/* ' */) {\n captureStart = state.position;\n state.position++;\n captureEnd = state.position;\n } else {\n return true;\n }\n\n } else if (is_EOL(ch)) {\n captureSegment(state, captureStart, captureEnd, true);\n writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n captureStart = captureEnd = state.position;\n\n } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n throwError(state, 'unexpected end of the document within a single quoted scalar');\n\n } else {\n state.position++;\n captureEnd = state.position;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a single quoted scalar');\n}\n\nfunction readDoubleQuotedScalar(state, nodeIndent) {\n var captureStart,\n captureEnd,\n hexLength,\n hexResult,\n tmp,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x22/* \" */) {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n state.position++;\n captureStart = captureEnd = state.position;\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n if (ch === 0x22/* \" */) {\n captureSegment(state, captureStart, state.position, true);\n state.position++;\n return true;\n\n } else if (ch === 0x5C/* \\ */) {\n captureSegment(state, captureStart, state.position, true);\n ch = state.input.charCodeAt(++state.position);\n\n if (is_EOL(ch)) {\n skipSeparationSpace(state, false, nodeIndent);\n\n // TODO: rework to inline fn with no type cast?\n } else if (ch < 256 && simpleEscapeCheck[ch]) {\n state.result += simpleEscapeMap[ch];\n state.position++;\n\n } else if ((tmp = escapedHexLen(ch)) > 0) {\n hexLength = tmp;\n hexResult = 0;\n\n for (; hexLength > 0; hexLength--) {\n ch = state.input.charCodeAt(++state.position);\n\n if ((tmp = fromHexCode(ch)) >= 0) {\n hexResult = (hexResult << 4) + tmp;\n\n } else {\n throwError(state, 'expected hexadecimal character');\n }\n }\n\n state.result += charFromCodepoint(hexResult);\n\n state.position++;\n\n } else {\n throwError(state, 'unknown escape sequence');\n }\n\n captureStart = captureEnd = state.position;\n\n } else if (is_EOL(ch)) {\n captureSegment(state, captureStart, captureEnd, true);\n writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n captureStart = captureEnd = state.position;\n\n } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n throwError(state, 'unexpected end of the document within a double quoted scalar');\n\n } else {\n state.position++;\n captureEnd = state.position;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a double quoted scalar');\n}\n\nfunction readFlowCollection(state, nodeIndent) {\n var readNext = true,\n _line,\n _lineStart,\n _pos,\n _tag = state.tag,\n _result,\n _anchor = state.anchor,\n following,\n terminator,\n isPair,\n isExplicitPair,\n isMapping,\n overridableKeys = Object.create(null),\n keyNode,\n keyTag,\n valueNode,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x5B/* [ */) {\n terminator = 0x5D;/* ] */\n isMapping = false;\n _result = [];\n } else if (ch === 0x7B/* { */) {\n terminator = 0x7D;/* } */\n isMapping = true;\n _result = {};\n } else {\n return false;\n }\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(++state.position);\n\n while (ch !== 0) {\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === terminator) {\n state.position++;\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = isMapping ? 'mapping' : 'sequence';\n state.result = _result;\n return true;\n } else if (!readNext) {\n throwError(state, 'missed comma between flow collection entries');\n } else if (ch === 0x2C/* , */) {\n // \"flow collection entries can never be completely empty\", as per YAML 1.2, section 7.4\n throwError(state, \"expected the node content, but found ','\");\n }\n\n keyTag = keyNode = valueNode = null;\n isPair = isExplicitPair = false;\n\n if (ch === 0x3F/* ? */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following)) {\n isPair = isExplicitPair = true;\n state.position++;\n skipSeparationSpace(state, true, nodeIndent);\n }\n }\n\n _line = state.line; // Save the current line.\n _lineStart = state.lineStart;\n _pos = state.position;\n composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n keyTag = state.tag;\n keyNode = state.result;\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {\n isPair = true;\n ch = state.input.charCodeAt(++state.position);\n skipSeparationSpace(state, true, nodeIndent);\n composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n valueNode = state.result;\n }\n\n if (isMapping) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);\n } else if (isPair) {\n _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));\n } else {\n _result.push(keyNode);\n }\n\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x2C/* , */) {\n readNext = true;\n ch = state.input.charCodeAt(++state.position);\n } else {\n readNext = false;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a flow collection');\n}\n\nfunction readBlockScalar(state, nodeIndent) {\n var captureStart,\n folding,\n chomping = CHOMPING_CLIP,\n didReadContent = false,\n detectedIndent = false,\n textIndent = nodeIndent,\n emptyLines = 0,\n atMoreIndented = false,\n tmp,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x7C/* | */) {\n folding = false;\n } else if (ch === 0x3E/* > */) {\n folding = true;\n } else {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n\n while (ch !== 0) {\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {\n if (CHOMPING_CLIP === chomping) {\n chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;\n } else {\n throwError(state, 'repeat of a chomping mode identifier');\n }\n\n } else if ((tmp = fromDecimalCode(ch)) >= 0) {\n if (tmp === 0) {\n throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');\n } else if (!detectedIndent) {\n textIndent = nodeIndent + tmp - 1;\n detectedIndent = true;\n } else {\n throwError(state, 'repeat of an indentation width identifier');\n }\n\n } else {\n break;\n }\n }\n\n if (is_WHITE_SPACE(ch)) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (is_WHITE_SPACE(ch));\n\n if (ch === 0x23/* # */) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (!is_EOL(ch) && (ch !== 0));\n }\n }\n\n while (ch !== 0) {\n readLineBreak(state);\n state.lineIndent = 0;\n\n ch = state.input.charCodeAt(state.position);\n\n while ((!detectedIndent || state.lineIndent < textIndent) &&\n (ch === 0x20/* Space */)) {\n state.lineIndent++;\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (!detectedIndent && state.lineIndent > textIndent) {\n textIndent = state.lineIndent;\n }\n\n if (is_EOL(ch)) {\n emptyLines++;\n continue;\n }\n\n // End of the scalar.\n if (state.lineIndent < textIndent) {\n\n // Perform the chomping.\n if (chomping === CHOMPING_KEEP) {\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n } else if (chomping === CHOMPING_CLIP) {\n if (didReadContent) { // i.e. only if the scalar is not empty.\n state.result += '\\n';\n }\n }\n\n // Break this `while` cycle and go to the funciton's epilogue.\n break;\n }\n\n // Folded style: use fancy rules to handle line breaks.\n if (folding) {\n\n // Lines starting with white space characters (more-indented lines) are not folded.\n if (is_WHITE_SPACE(ch)) {\n atMoreIndented = true;\n // except for the first content line (cf. Example 8.1)\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n\n // End of more-indented block.\n } else if (atMoreIndented) {\n atMoreIndented = false;\n state.result += common.repeat('\\n', emptyLines + 1);\n\n // Just one line break - perceive as the same line.\n } else if (emptyLines === 0) {\n if (didReadContent) { // i.e. only if we have already read some scalar content.\n state.result += ' ';\n }\n\n // Several line breaks - perceive as different lines.\n } else {\n state.result += common.repeat('\\n', emptyLines);\n }\n\n // Literal style: just add exact number of line breaks between content lines.\n } else {\n // Keep all line breaks except the header line break.\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n }\n\n didReadContent = true;\n detectedIndent = true;\n emptyLines = 0;\n captureStart = state.position;\n\n while (!is_EOL(ch) && (ch !== 0)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n captureSegment(state, captureStart, state.position, false);\n }\n\n return true;\n}\n\nfunction readBlockSequence(state, nodeIndent) {\n var _line,\n _tag = state.tag,\n _anchor = state.anchor,\n _result = [],\n following,\n detected = false,\n ch;\n\n // there is a leading tab before this token, so it can't be a block sequence/mapping;\n // it can still be flow sequence/mapping or a scalar\n if (state.firstTabInLine !== -1) return false;\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n if (state.firstTabInLine !== -1) {\n state.position = state.firstTabInLine;\n throwError(state, 'tab characters must not be used in indentation');\n }\n\n if (ch !== 0x2D/* - */) {\n break;\n }\n\n following = state.input.charCodeAt(state.position + 1);\n\n if (!is_WS_OR_EOL(following)) {\n break;\n }\n\n detected = true;\n state.position++;\n\n if (skipSeparationSpace(state, true, -1)) {\n if (state.lineIndent <= nodeIndent) {\n _result.push(null);\n ch = state.input.charCodeAt(state.position);\n continue;\n }\n }\n\n _line = state.line;\n composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);\n _result.push(state.result);\n skipSeparationSpace(state, true, -1);\n\n ch = state.input.charCodeAt(state.position);\n\n if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n throwError(state, 'bad indentation of a sequence entry');\n } else if (state.lineIndent < nodeIndent) {\n break;\n }\n }\n\n if (detected) {\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = 'sequence';\n state.result = _result;\n return true;\n }\n return false;\n}\n\nfunction readBlockMapping(state, nodeIndent, flowIndent) {\n var following,\n allowCompact,\n _line,\n _keyLine,\n _keyLineStart,\n _keyPos,\n _tag = state.tag,\n _anchor = state.anchor,\n _result = {},\n overridableKeys = Object.create(null),\n keyTag = null,\n keyNode = null,\n valueNode = null,\n atExplicitKey = false,\n detected = false,\n ch;\n\n // there is a leading tab before this token, so it can't be a block sequence/mapping;\n // it can still be flow sequence/mapping or a scalar\n if (state.firstTabInLine !== -1) return false;\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n if (!atExplicitKey && state.firstTabInLine !== -1) {\n state.position = state.firstTabInLine;\n throwError(state, 'tab characters must not be used in indentation');\n }\n\n following = state.input.charCodeAt(state.position + 1);\n _line = state.line; // Save the current line.\n\n //\n // Explicit notation case. There are two separate blocks:\n // first for the key (denoted by \"?\") and second for the value (denoted by \":\")\n //\n if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {\n\n if (ch === 0x3F/* ? */) {\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n detected = true;\n atExplicitKey = true;\n allowCompact = true;\n\n } else if (atExplicitKey) {\n // i.e. 0x3A/* : */ === character after the explicit key.\n atExplicitKey = false;\n allowCompact = true;\n\n } else {\n throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');\n }\n\n state.position += 1;\n ch = following;\n\n //\n // Implicit notation case. Flow-style node as the key first, then \":\", and the value.\n //\n } else {\n _keyLine = state.line;\n _keyLineStart = state.lineStart;\n _keyPos = state.position;\n\n if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {\n // Neither implicit nor explicit notation.\n // Reading is done. Go to the epilogue.\n break;\n }\n\n if (state.line === _line) {\n ch = state.input.charCodeAt(state.position);\n\n while (is_WHITE_SPACE(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (ch === 0x3A/* : */) {\n ch = state.input.charCodeAt(++state.position);\n\n if (!is_WS_OR_EOL(ch)) {\n throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');\n }\n\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n detected = true;\n atExplicitKey = false;\n allowCompact = false;\n keyTag = state.tag;\n keyNode = state.result;\n\n } else if (detected) {\n throwError(state, 'can not read an implicit mapping pair; a colon is missed');\n\n } else {\n state.tag = _tag;\n state.anchor = _anchor;\n return true; // Keep the result of `composeNode`.\n }\n\n } else if (detected) {\n throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');\n\n } else {\n state.tag = _tag;\n state.anchor = _anchor;\n return true; // Keep the result of `composeNode`.\n }\n }\n\n //\n // Common reading code for both explicit and implicit notations.\n //\n if (state.line === _line || state.lineIndent > nodeIndent) {\n if (atExplicitKey) {\n _keyLine = state.line;\n _keyLineStart = state.lineStart;\n _keyPos = state.position;\n }\n\n if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {\n if (atExplicitKey) {\n keyNode = state.result;\n } else {\n valueNode = state.result;\n }\n }\n\n if (!atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n skipSeparationSpace(state, true, -1);\n ch = state.input.charCodeAt(state.position);\n }\n\n if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n throwError(state, 'bad indentation of a mapping entry');\n } else if (state.lineIndent < nodeIndent) {\n break;\n }\n }\n\n //\n // Epilogue.\n //\n\n // Special case: last mapping's node contains only the key in explicit notation.\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n }\n\n // Expose the resulting mapping.\n if (detected) {\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = 'mapping';\n state.result = _result;\n }\n\n return detected;\n}\n\nfunction readTagProperty(state) {\n var _position,\n isVerbatim = false,\n isNamed = false,\n tagHandle,\n tagName,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x21/* ! */) return false;\n\n if (state.tag !== null) {\n throwError(state, 'duplication of a tag property');\n }\n\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x3C/* < */) {\n isVerbatim = true;\n ch = state.input.charCodeAt(++state.position);\n\n } else if (ch === 0x21/* ! */) {\n isNamed = true;\n tagHandle = '!!';\n ch = state.input.charCodeAt(++state.position);\n\n } else {\n tagHandle = '!';\n }\n\n _position = state.position;\n\n if (isVerbatim) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (ch !== 0 && ch !== 0x3E/* > */);\n\n if (state.position < state.length) {\n tagName = state.input.slice(_position, state.position);\n ch = state.input.charCodeAt(++state.position);\n } else {\n throwError(state, 'unexpected end of the stream within a verbatim tag');\n }\n } else {\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n\n if (ch === 0x21/* ! */) {\n if (!isNamed) {\n tagHandle = state.input.slice(_position - 1, state.position + 1);\n\n if (!PATTERN_TAG_HANDLE.test(tagHandle)) {\n throwError(state, 'named tag handle cannot contain such characters');\n }\n\n isNamed = true;\n _position = state.position + 1;\n } else {\n throwError(state, 'tag suffix cannot contain exclamation marks');\n }\n }\n\n ch = state.input.charCodeAt(++state.position);\n }\n\n tagName = state.input.slice(_position, state.position);\n\n if (PATTERN_FLOW_INDICATORS.test(tagName)) {\n throwError(state, 'tag suffix cannot contain flow indicator characters');\n }\n }\n\n if (tagName && !PATTERN_TAG_URI.test(tagName)) {\n throwError(state, 'tag name cannot contain such characters: ' + tagName);\n }\n\n try {\n tagName = decodeURIComponent(tagName);\n } catch (err) {\n throwError(state, 'tag name is malformed: ' + tagName);\n }\n\n if (isVerbatim) {\n state.tag = tagName;\n\n } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {\n state.tag = state.tagMap[tagHandle] + tagName;\n\n } else if (tagHandle === '!') {\n state.tag = '!' + tagName;\n\n } else if (tagHandle === '!!') {\n state.tag = 'tag:yaml.org,2002:' + tagName;\n\n } else {\n throwError(state, 'undeclared tag handle \"' + tagHandle + '\"');\n }\n\n return true;\n}\n\nfunction readAnchorProperty(state) {\n var _position,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x26/* & */) return false;\n\n if (state.anchor !== null) {\n throwError(state, 'duplication of an anchor property');\n }\n\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (state.position === _position) {\n throwError(state, 'name of an anchor node must contain at least one character');\n }\n\n state.anchor = state.input.slice(_position, state.position);\n return true;\n}\n\nfunction readAlias(state) {\n var _position, alias,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x2A/* * */) return false;\n\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (state.position === _position) {\n throwError(state, 'name of an alias node must contain at least one character');\n }\n\n alias = state.input.slice(_position, state.position);\n\n if (!_hasOwnProperty.call(state.anchorMap, alias)) {\n throwError(state, 'unidentified alias \"' + alias + '\"');\n }\n\n state.result = state.anchorMap[alias];\n skipSeparationSpace(state, true, -1);\n return true;\n}\n\nfunction composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {\n var allowBlockStyles,\n allowBlockScalars,\n allowBlockCollections,\n indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) {\n indentStatus = 1;\n } else if (state.lineIndent === parentIndent) {\n indentStatus = 0;\n } else if (state.lineIndent < parentIndent) {\n indentStatus = -1;\n }\n }\n }\n\n if (indentStatus === 1) {\n while (readTagProperty(state) || readAnchorProperty(state)) {\n if (skipSeparationSpace(state, true, -1)) {\n atNewLine = true;\n allowBlockCollections = allowBlockStyles;\n\n if (state.lineIndent > parentIndent) {\n indentStatus = 1;\n } else if (state.lineIndent === parentIndent) {\n indentStatus = 0;\n } else if (state.lineIndent < parentIndent) {\n indentStatus = -1;\n }\n } else {\n allowBlockCollections = false;\n }\n }\n }\n\n if (allowBlockCollections) {\n allowBlockCollections = atNewLine || allowCompact;\n }\n\n if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {\n if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {\n flowIndent = parentIndent;\n } else {\n flowIndent = parentIndent + 1;\n }\n\n blockIndent = state.position - state.lineStart;\n\n if (indentStatus === 1) {\n if (allowBlockCollections &&\n (readBlockSequence(state, blockIndent) ||\n readBlockMapping(state, blockIndent, flowIndent)) ||\n readFlowCollection(state, flowIndent)) {\n hasContent = true;\n } else {\n if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||\n readSingleQuotedScalar(state, flowIndent) ||\n readDoubleQuotedScalar(state, flowIndent)) {\n hasContent = true;\n\n } else if (readAlias(state)) {\n hasContent = true;\n\n if (state.tag !== null || state.anchor !== null) {\n throwError(state, 'alias node should not have any properties');\n }\n\n } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {\n hasContent = true;\n\n if (state.tag === null) {\n state.tag = '?';\n }\n }\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n }\n } else if (indentStatus === 0) {\n // Special case: block sequences are allowed to have same indentation level as the parent.\n // http://www.yaml.org/spec/1.2/spec.html#id2799784\n hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);\n }\n }\n\n if (state.tag === null) {\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n\n } else if (state.tag === '?') {\n // Implicit resolving is not allowed for non-scalar types, and '?'\n // non-specific tag is only automatically assigned to plain scalars.\n //\n // We only need to check kind conformity in case user explicitly assigns '?'\n // tag, for example like this: \"! [0]\"\n //\n if (state.result !== null && state.kind !== 'scalar') {\n throwError(state, 'unacceptable node kind for ! tag; it should be \"scalar\", not \"' + state.kind + '\"');\n }\n\n for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {\n type = state.implicitTypes[typeIndex];\n\n if (type.resolve(state.result)) { // `state.result` updated in resolver if matched\n state.result = type.construct(state.result);\n state.tag = type.tag;\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n break;\n }\n }\n } else if (state.tag !== '!') {\n if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {\n type = state.typeMap[state.kind || 'fallback'][state.tag];\n } else {\n // looking for multi type\n type = null;\n typeList = state.typeMap.multi[state.kind || 'fallback'];\n\n for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {\n if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {\n type = typeList[typeIndex];\n break;\n }\n }\n }\n\n if (!type) {\n throwError(state, 'unknown tag !<' + state.tag + '>');\n }\n\n if (state.result !== null && type.kind !== state.kind) {\n throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be \"' + type.kind + '\", not \"' + state.kind + '\"');\n }\n\n if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched\n throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');\n } else {\n state.result = type.construct(state.result, state.tag);\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n }\n }\n\n if (state.listener !== null) {\n state.listener('close', state);\n }\n return state.tag !== null || state.anchor !== null || hasContent;\n}\n\nfunction readDocument(state) {\n var documentStart = state.position,\n _position,\n directiveName,\n directiveArgs,\n hasDirectives = false,\n ch;\n\n state.version = null;\n state.checkLineBreaks = state.legacy;\n state.tagMap = Object.create(null);\n state.anchorMap = Object.create(null);\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n skipSeparationSpace(state, true, -1);\n\n ch = state.input.charCodeAt(state.position);\n\n if (state.lineIndent > 0 || ch !== 0x25/* % */) {\n break;\n }\n\n hasDirectives = true;\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n directiveName = state.input.slice(_position, state.position);\n directiveArgs = [];\n\n if (directiveName.length < 1) {\n throwError(state, 'directive name must not be less than one character in length');\n }\n\n while (ch !== 0) {\n while (is_WHITE_SPACE(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (ch === 0x23/* # */) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (ch !== 0 && !is_EOL(ch));\n break;\n }\n\n if (is_EOL(ch)) break;\n\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n directiveArgs.push(state.input.slice(_position, state.position));\n }\n\n if (ch !== 0) readLineBreak(state);\n\n if (_hasOwnProperty.call(directiveHandlers, directiveName)) {\n directiveHandlers[directiveName](state, directiveName, directiveArgs);\n } else {\n throwWarning(state, 'unknown document directive \"' + directiveName + '\"');\n }\n }\n\n skipSeparationSpace(state, true, -1);\n\n if (state.lineIndent === 0 &&\n state.input.charCodeAt(state.position) === 0x2D/* - */ &&\n state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&\n state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {\n state.position += 3;\n skipSeparationSpace(state, true, -1);\n\n } else if (hasDirectives) {\n throwError(state, 'directives end mark is expected');\n }\n\n composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);\n skipSeparationSpace(state, true, -1);\n\n if (state.checkLineBreaks &&\n PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {\n throwWarning(state, 'non-ASCII line breaks are interpreted as content');\n }\n\n state.documents.push(state.result);\n\n if (state.position === state.lineStart && testDocumentSeparator(state)) {\n\n if (state.input.charCodeAt(state.position) === 0x2E/* . */) {\n state.position += 3;\n skipSeparationSpace(state, true, -1);\n }\n return;\n }\n\n if (state.position < (state.length - 1)) {\n throwError(state, 'end of the stream or a document separator is expected');\n } else {\n return;\n }\n}\n\n\nfunction loadDocuments(input, options) {\n input = String(input);\n options = options || {};\n\n if (input.length !== 0) {\n\n // Add tailing `\\n` if not exists\n if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&\n input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {\n input += '\\n';\n }\n\n // Strip BOM\n if (input.charCodeAt(0) === 0xFEFF) {\n input = input.slice(1);\n }\n }\n\n var state = new State(input, options);\n\n var nullpos = input.indexOf('\\0');\n\n if (nullpos !== -1) {\n state.position = nullpos;\n throwError(state, 'null byte is not allowed in input');\n }\n\n // Use 0 as string terminator. That significantly simplifies bounds check.\n state.input += '\\0';\n\n while (state.input.charCodeAt(state.position) === 0x20/* Space */) {\n state.lineIndent += 1;\n state.position += 1;\n }\n\n while (state.position < (state.length - 1)) {\n readDocument(state);\n }\n\n return state.documents;\n}\n\n\nfunction loadAll(input, iterator, options) {\n if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {\n options = iterator;\n iterator = null;\n }\n\n var documents = loadDocuments(input, options);\n\n if (typeof iterator !== 'function') {\n return documents;\n }\n\n for (var index = 0, length = documents.length; index < length; index += 1) {\n iterator(documents[index]);\n }\n}\n\n\nfunction load(input, options) {\n var documents = loadDocuments(input, options);\n\n if (documents.length === 0) {\n /*eslint-disable no-undefined*/\n return undefined;\n } else if (documents.length === 1) {\n return documents[0];\n }\n throw new YAMLException('expected a single document in the stream, but found more');\n}\n\n\nmodule.exports.loadAll = loadAll;\nmodule.exports.load = load;\n","'use strict';\n\n/*eslint-disable max-len*/\n\nvar YAMLException = require('./exception');\nvar Type = require('./type');\n\n\nfunction compileList(schema, name, result) {\n var exclude = [];\n\n schema[name].forEach(function (currentType) {\n result.forEach(function (previousType, previousIndex) {\n if (previousType.tag === currentType.tag &&\n previousType.kind === currentType.kind &&\n previousType.multi === currentType.multi) {\n\n exclude.push(previousIndex);\n }\n });\n\n result.push(currentType);\n });\n\n return result.filter(function (type, index) {\n return exclude.indexOf(index) === -1;\n });\n}\n\n\nfunction compileMap(/* lists... */) {\n var result = {\n scalar: {},\n sequence: {},\n mapping: {},\n fallback: {},\n multi: {\n scalar: [],\n sequence: [],\n mapping: [],\n fallback: []\n }\n }, index, length;\n\n function collectType(type) {\n if (type.multi) {\n result.multi[type.kind].push(type);\n result.multi['fallback'].push(type);\n } else {\n result[type.kind][type.tag] = result['fallback'][type.tag] = type;\n }\n }\n\n for (index = 0, length = arguments.length; index < length; index += 1) {\n arguments[index].forEach(collectType);\n }\n return result;\n}\n\n\nfunction Schema(definition) {\n return this.extend(definition);\n}\n\n\nSchema.prototype.extend = function extend(definition) {\n var implicit = [];\n var explicit = [];\n\n if (definition instanceof Type) {\n // Schema.extend(type)\n explicit.push(definition);\n\n } else if (Array.isArray(definition)) {\n // Schema.extend([ type1, type2, ... ])\n explicit = explicit.concat(definition);\n\n } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {\n // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })\n if (definition.implicit) implicit = implicit.concat(definition.implicit);\n if (definition.explicit) explicit = explicit.concat(definition.explicit);\n\n } else {\n throw new YAMLException('Schema.extend argument should be a Type, [ Type ], ' +\n 'or a schema definition ({ implicit: [...], explicit: [...] })');\n }\n\n implicit.forEach(function (type) {\n if (!(type instanceof Type)) {\n throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n }\n\n if (type.loadKind && type.loadKind !== 'scalar') {\n throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');\n }\n\n if (type.multi) {\n throw new YAMLException('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');\n }\n });\n\n explicit.forEach(function (type) {\n if (!(type instanceof Type)) {\n throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n }\n });\n\n var result = Object.create(Schema.prototype);\n\n result.implicit = (this.implicit || []).concat(implicit);\n result.explicit = (this.explicit || []).concat(explicit);\n\n result.compiledImplicit = compileList(result, 'implicit', []);\n result.compiledExplicit = compileList(result, 'explicit', []);\n result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit);\n\n return result;\n};\n\n\nmodule.exports = Schema;\n","// Standard YAML's Core schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2804923\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, Core schema has no distinctions from JSON schema is JS-YAML.\n\n\n'use strict';\n\n\nmodule.exports = require('./json');\n","// JS-YAML's default schema for `safeLoad` function.\n// It is not described in the YAML specification.\n//\n// This schema is based on standard YAML's Core schema and includes most of\n// extra types described at YAML tag repository. (http://yaml.org/type/)\n\n\n'use strict';\n\n\nmodule.exports = require('./core').extend({\n implicit: [\n require('../type/timestamp'),\n require('../type/merge')\n ],\n explicit: [\n require('../type/binary'),\n require('../type/omap'),\n require('../type/pairs'),\n require('../type/set')\n ]\n});\n","// Standard YAML's Failsafe schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2802346\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n explicit: [\n require('../type/str'),\n require('../type/seq'),\n require('../type/map')\n ]\n});\n","// Standard YAML's JSON schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2803231\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, this schema is not such strict as defined in the YAML specification.\n// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc.\n\n\n'use strict';\n\n\nmodule.exports = require('./failsafe').extend({\n implicit: [\n require('../type/null'),\n require('../type/bool'),\n require('../type/int'),\n require('../type/float')\n ]\n});\n","'use strict';\n\n\nvar common = require('./common');\n\n\n// get snippet for a single line, respecting maxLength\nfunction getLine(buffer, lineStart, lineEnd, position, maxLineLength) {\n var head = '';\n var tail = '';\n var maxHalfLength = Math.floor(maxLineLength / 2) - 1;\n\n if (position - lineStart > maxHalfLength) {\n head = ' ... ';\n lineStart = position - maxHalfLength + head.length;\n }\n\n if (lineEnd - position > maxHalfLength) {\n tail = ' ...';\n lineEnd = position + maxHalfLength - tail.length;\n }\n\n return {\n str: head + buffer.slice(lineStart, lineEnd).replace(/\\t/g, '→') + tail,\n pos: position - lineStart + head.length // relative position\n };\n}\n\n\nfunction padStart(string, max) {\n return common.repeat(' ', max - string.length) + string;\n}\n\n\nfunction makeSnippet(mark, options) {\n options = Object.create(options || null);\n\n if (!mark.buffer) return null;\n\n if (!options.maxLength) options.maxLength = 79;\n if (typeof options.indent !== 'number') options.indent = 1;\n if (typeof options.linesBefore !== 'number') options.linesBefore = 3;\n if (typeof options.linesAfter !== 'number') options.linesAfter = 2;\n\n var re = /\\r?\\n|\\r|\\0/g;\n var lineStarts = [ 0 ];\n var lineEnds = [];\n var match;\n var foundLineNo = -1;\n\n while ((match = re.exec(mark.buffer))) {\n lineEnds.push(match.index);\n lineStarts.push(match.index + match[0].length);\n\n if (mark.position <= match.index && foundLineNo < 0) {\n foundLineNo = lineStarts.length - 2;\n }\n }\n\n if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;\n\n var result = '', i, line;\n var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;\n var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);\n\n for (i = 1; i <= options.linesBefore; i++) {\n if (foundLineNo - i < 0) break;\n line = getLine(\n mark.buffer,\n lineStarts[foundLineNo - i],\n lineEnds[foundLineNo - i],\n mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),\n maxLineLength\n );\n result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n' + result;\n }\n\n line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);\n result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n';\n result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\\n';\n\n for (i = 1; i <= options.linesAfter; i++) {\n if (foundLineNo + i >= lineEnds.length) break;\n line = getLine(\n mark.buffer,\n lineStarts[foundLineNo + i],\n lineEnds[foundLineNo + i],\n mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),\n maxLineLength\n );\n result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n';\n }\n\n return result.replace(/\\n$/, '');\n}\n\n\nmodule.exports = makeSnippet;\n","'use strict';\n\nvar YAMLException = require('./exception');\n\nvar TYPE_CONSTRUCTOR_OPTIONS = [\n 'kind',\n 'multi',\n 'resolve',\n 'construct',\n 'instanceOf',\n 'predicate',\n 'represent',\n 'representName',\n 'defaultStyle',\n 'styleAliases'\n];\n\nvar YAML_NODE_KINDS = [\n 'scalar',\n 'sequence',\n 'mapping'\n];\n\nfunction compileStyleAliases(map) {\n var result = {};\n\n if (map !== null) {\n Object.keys(map).forEach(function (style) {\n map[style].forEach(function (alias) {\n result[String(alias)] = style;\n });\n });\n }\n\n return result;\n}\n\nfunction Type(tag, options) {\n options = options || {};\n\n Object.keys(options).forEach(function (name) {\n if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {\n throw new YAMLException('Unknown option \"' + name + '\" is met in definition of \"' + tag + '\" YAML type.');\n }\n });\n\n // TODO: Add tag format check.\n this.tag = tag;\n this.kind = options['kind'] || null;\n this.resolve = options['resolve'] || function () { return true; };\n this.construct = options['construct'] || function (data) { return data; };\n this.instanceOf = options['instanceOf'] || null;\n this.predicate = options['predicate'] || null;\n this.represent = options['represent'] || null;\n this.representName = options['representName'] || null;\n this.defaultStyle = options['defaultStyle'] || null;\n this.multi = options['multi'] || false;\n this.styleAliases = compileStyleAliases(options['styleAliases'] || null);\n\n if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {\n throw new YAMLException('Unknown kind \"' + this.kind + '\" is specified for \"' + tag + '\" YAML type.');\n }\n}\n\nmodule.exports = Type;\n","'use strict';\n\n/*eslint-disable no-bitwise*/\n\n\nvar Type = require('../type');\n\n\n// [ 64, 65, 66 ] -> [ padding, CR, LF ]\nvar BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\\n\\r';\n\n\nfunction resolveYamlBinary(data) {\n if (data === null) return false;\n\n var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;\n\n // Convert one by one.\n for (idx = 0; idx < max; idx++) {\n code = map.indexOf(data.charAt(idx));\n\n // Skip CR/LF\n if (code > 64) continue;\n\n // Fail on illegal characters\n if (code < 0) return false;\n\n bitlen += 6;\n }\n\n // If there are any bits left, source was corrupted\n return (bitlen % 8) === 0;\n}\n\nfunction constructYamlBinary(data) {\n var idx, tailbits,\n input = data.replace(/[\\r\\n=]/g, ''), // remove CR/LF & padding to simplify scan\n max = input.length,\n map = BASE64_MAP,\n bits = 0,\n result = [];\n\n // Collect by 6*4 bits (3 bytes)\n\n for (idx = 0; idx < max; idx++) {\n if ((idx % 4 === 0) && idx) {\n result.push((bits >> 16) & 0xFF);\n result.push((bits >> 8) & 0xFF);\n result.push(bits & 0xFF);\n }\n\n bits = (bits << 6) | map.indexOf(input.charAt(idx));\n }\n\n // Dump tail\n\n tailbits = (max % 4) * 6;\n\n if (tailbits === 0) {\n result.push((bits >> 16) & 0xFF);\n result.push((bits >> 8) & 0xFF);\n result.push(bits & 0xFF);\n } else if (tailbits === 18) {\n result.push((bits >> 10) & 0xFF);\n result.push((bits >> 2) & 0xFF);\n } else if (tailbits === 12) {\n result.push((bits >> 4) & 0xFF);\n }\n\n return new Uint8Array(result);\n}\n\nfunction representYamlBinary(object /*, style*/) {\n var result = '', bits = 0, idx, tail,\n max = object.length,\n map = BASE64_MAP;\n\n // Convert every three bytes to 4 ASCII characters.\n\n for (idx = 0; idx < max; idx++) {\n if ((idx % 3 === 0) && idx) {\n result += map[(bits >> 18) & 0x3F];\n result += map[(bits >> 12) & 0x3F];\n result += map[(bits >> 6) & 0x3F];\n result += map[bits & 0x3F];\n }\n\n bits = (bits << 8) + object[idx];\n }\n\n // Dump tail\n\n tail = max % 3;\n\n if (tail === 0) {\n result += map[(bits >> 18) & 0x3F];\n result += map[(bits >> 12) & 0x3F];\n result += map[(bits >> 6) & 0x3F];\n result += map[bits & 0x3F];\n } else if (tail === 2) {\n result += map[(bits >> 10) & 0x3F];\n result += map[(bits >> 4) & 0x3F];\n result += map[(bits << 2) & 0x3F];\n result += map[64];\n } else if (tail === 1) {\n result += map[(bits >> 2) & 0x3F];\n result += map[(bits << 4) & 0x3F];\n result += map[64];\n result += map[64];\n }\n\n return result;\n}\n\nfunction isBinary(obj) {\n return Object.prototype.toString.call(obj) === '[object Uint8Array]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:binary', {\n kind: 'scalar',\n resolve: resolveYamlBinary,\n construct: constructYamlBinary,\n predicate: isBinary,\n represent: representYamlBinary\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlBoolean(data) {\n if (data === null) return false;\n\n var max = data.length;\n\n return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||\n (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));\n}\n\nfunction constructYamlBoolean(data) {\n return data === 'true' ||\n data === 'True' ||\n data === 'TRUE';\n}\n\nfunction isBoolean(object) {\n return Object.prototype.toString.call(object) === '[object Boolean]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:bool', {\n kind: 'scalar',\n resolve: resolveYamlBoolean,\n construct: constructYamlBoolean,\n predicate: isBoolean,\n represent: {\n lowercase: function (object) { return object ? 'true' : 'false'; },\n uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },\n camelcase: function (object) { return object ? 'True' : 'False'; }\n },\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type = require('../type');\n\nvar YAML_FLOAT_PATTERN = new RegExp(\n // 2.5e4, 2.5 and integers\n '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +\n // .2e4, .2\n // special case, seems not from spec\n '|\\\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +\n // .inf\n '|[-+]?\\\\.(?:inf|Inf|INF)' +\n // .nan\n '|\\\\.(?:nan|NaN|NAN))$');\n\nfunction resolveYamlFloat(data) {\n if (data === null) return false;\n\n if (!YAML_FLOAT_PATTERN.test(data) ||\n // Quick hack to not allow integers end with `_`\n // Probably should update regexp & check speed\n data[data.length - 1] === '_') {\n return false;\n }\n\n return true;\n}\n\nfunction constructYamlFloat(data) {\n var value, sign;\n\n value = data.replace(/_/g, '').toLowerCase();\n sign = value[0] === '-' ? -1 : 1;\n\n if ('+-'.indexOf(value[0]) >= 0) {\n value = value.slice(1);\n }\n\n if (value === '.inf') {\n return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;\n\n } else if (value === '.nan') {\n return NaN;\n }\n return sign * parseFloat(value, 10);\n}\n\n\nvar SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;\n\nfunction representYamlFloat(object, style) {\n var res;\n\n if (isNaN(object)) {\n switch (style) {\n case 'lowercase': return '.nan';\n case 'uppercase': return '.NAN';\n case 'camelcase': return '.NaN';\n }\n } else if (Number.POSITIVE_INFINITY === object) {\n switch (style) {\n case 'lowercase': return '.inf';\n case 'uppercase': return '.INF';\n case 'camelcase': return '.Inf';\n }\n } else if (Number.NEGATIVE_INFINITY === object) {\n switch (style) {\n case 'lowercase': return '-.inf';\n case 'uppercase': return '-.INF';\n case 'camelcase': return '-.Inf';\n }\n } else if (common.isNegativeZero(object)) {\n return '-0.0';\n }\n\n res = object.toString(10);\n\n // JS stringifier can build scientific format without dots: 5e-100,\n // while YAML requres dot: 5.e-100. Fix it with simple hack\n\n return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;\n}\n\nfunction isFloat(object) {\n return (Object.prototype.toString.call(object) === '[object Number]') &&\n (object % 1 !== 0 || common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:float', {\n kind: 'scalar',\n resolve: resolveYamlFloat,\n construct: constructYamlFloat,\n predicate: isFloat,\n represent: representYamlFloat,\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type = require('../type');\n\nfunction isHexCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||\n ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||\n ((0x61/* a */ <= c) && (c <= 0x66/* f */));\n}\n\nfunction isOctCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));\n}\n\nfunction isDecCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));\n}\n\nfunction resolveYamlInteger(data) {\n if (data === null) return false;\n\n var max = data.length,\n index = 0,\n hasDigits = false,\n ch;\n\n if (!max) return false;\n\n ch = data[index];\n\n // sign\n if (ch === '-' || ch === '+') {\n ch = data[++index];\n }\n\n if (ch === '0') {\n // 0\n if (index + 1 === max) return true;\n ch = data[++index];\n\n // base 2, base 8, base 16\n\n if (ch === 'b') {\n // base 2\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (ch !== '0' && ch !== '1') return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n\n\n if (ch === 'x') {\n // base 16\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isHexCode(data.charCodeAt(index))) return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n\n\n if (ch === 'o') {\n // base 8\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isOctCode(data.charCodeAt(index))) return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n }\n\n // base 10 (except 0)\n\n // value should not start with `_`;\n if (ch === '_') return false;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isDecCode(data.charCodeAt(index))) {\n return false;\n }\n hasDigits = true;\n }\n\n // Should have digits and should not end with `_`\n if (!hasDigits || ch === '_') return false;\n\n return true;\n}\n\nfunction constructYamlInteger(data) {\n var value = data, sign = 1, ch;\n\n if (value.indexOf('_') !== -1) {\n value = value.replace(/_/g, '');\n }\n\n ch = value[0];\n\n if (ch === '-' || ch === '+') {\n if (ch === '-') sign = -1;\n value = value.slice(1);\n ch = value[0];\n }\n\n if (value === '0') return 0;\n\n if (ch === '0') {\n if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);\n if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);\n if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);\n }\n\n return sign * parseInt(value, 10);\n}\n\nfunction isInteger(object) {\n return (Object.prototype.toString.call(object)) === '[object Number]' &&\n (object % 1 === 0 && !common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:int', {\n kind: 'scalar',\n resolve: resolveYamlInteger,\n construct: constructYamlInteger,\n predicate: isInteger,\n represent: {\n binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },\n octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); },\n decimal: function (obj) { return obj.toString(10); },\n /* eslint-disable max-len */\n hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); }\n },\n defaultStyle: 'decimal',\n styleAliases: {\n binary: [ 2, 'bin' ],\n octal: [ 8, 'oct' ],\n decimal: [ 10, 'dec' ],\n hexadecimal: [ 16, 'hex' ]\n }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:map', {\n kind: 'mapping',\n construct: function (data) { return data !== null ? data : {}; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlMerge(data) {\n return data === '<<' || data === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:merge', {\n kind: 'scalar',\n resolve: resolveYamlMerge\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlNull(data) {\n if (data === null) return true;\n\n var max = data.length;\n\n return (max === 1 && data === '~') ||\n (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));\n}\n\nfunction constructYamlNull() {\n return null;\n}\n\nfunction isNull(object) {\n return object === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:null', {\n kind: 'scalar',\n resolve: resolveYamlNull,\n construct: constructYamlNull,\n predicate: isNull,\n represent: {\n canonical: function () { return '~'; },\n lowercase: function () { return 'null'; },\n uppercase: function () { return 'NULL'; },\n camelcase: function () { return 'Null'; },\n empty: function () { return ''; }\n },\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\nvar _toString = Object.prototype.toString;\n\nfunction resolveYamlOmap(data) {\n if (data === null) return true;\n\n var objectKeys = [], index, length, pair, pairKey, pairHasKey,\n object = data;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n pairHasKey = false;\n\n if (_toString.call(pair) !== '[object Object]') return false;\n\n for (pairKey in pair) {\n if (_hasOwnProperty.call(pair, pairKey)) {\n if (!pairHasKey) pairHasKey = true;\n else return false;\n }\n }\n\n if (!pairHasKey) return false;\n\n if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);\n else return false;\n }\n\n return true;\n}\n\nfunction constructYamlOmap(data) {\n return data !== null ? data : [];\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:omap', {\n kind: 'sequence',\n resolve: resolveYamlOmap,\n construct: constructYamlOmap\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _toString = Object.prototype.toString;\n\nfunction resolveYamlPairs(data) {\n if (data === null) return true;\n\n var index, length, pair, keys, result,\n object = data;\n\n result = new Array(object.length);\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n\n if (_toString.call(pair) !== '[object Object]') return false;\n\n keys = Object.keys(pair);\n\n if (keys.length !== 1) return false;\n\n result[index] = [ keys[0], pair[keys[0]] ];\n }\n\n return true;\n}\n\nfunction constructYamlPairs(data) {\n if (data === null) return [];\n\n var index, length, pair, keys, result,\n object = data;\n\n result = new Array(object.length);\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n\n keys = Object.keys(pair);\n\n result[index] = [ keys[0], pair[keys[0]] ];\n }\n\n return result;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:pairs', {\n kind: 'sequence',\n resolve: resolveYamlPairs,\n construct: constructYamlPairs\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:seq', {\n kind: 'sequence',\n construct: function (data) { return data !== null ? data : []; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction resolveYamlSet(data) {\n if (data === null) return true;\n\n var key, object = data;\n\n for (key in object) {\n if (_hasOwnProperty.call(object, key)) {\n if (object[key] !== null) return false;\n }\n }\n\n return true;\n}\n\nfunction constructYamlSet(data) {\n return data !== null ? data : {};\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:set', {\n kind: 'mapping',\n resolve: resolveYamlSet,\n construct: constructYamlSet\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:str', {\n kind: 'scalar',\n construct: function (data) { return data !== null ? data : ''; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar YAML_DATE_REGEXP = new RegExp(\n '^([0-9][0-9][0-9][0-9])' + // [1] year\n '-([0-9][0-9])' + // [2] month\n '-([0-9][0-9])$'); // [3] day\n\nvar YAML_TIMESTAMP_REGEXP = new RegExp(\n '^([0-9][0-9][0-9][0-9])' + // [1] year\n '-([0-9][0-9]?)' + // [2] month\n '-([0-9][0-9]?)' + // [3] day\n '(?:[Tt]|[ \\\\t]+)' + // ...\n '([0-9][0-9]?)' + // [4] hour\n ':([0-9][0-9])' + // [5] minute\n ':([0-9][0-9])' + // [6] second\n '(?:\\\\.([0-9]*))?' + // [7] fraction\n '(?:[ \\\\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour\n '(?::([0-9][0-9]))?))?$'); // [11] tz_minute\n\nfunction resolveYamlTimestamp(data) {\n if (data === null) return false;\n if (YAML_DATE_REGEXP.exec(data) !== null) return true;\n if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;\n return false;\n}\n\nfunction constructYamlTimestamp(data) {\n var match, year, month, day, hour, minute, second, fraction = 0,\n delta = null, tz_hour, tz_minute, date;\n\n match = YAML_DATE_REGEXP.exec(data);\n if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);\n\n if (match === null) throw new Error('Date resolve error');\n\n // match: [1] year [2] month [3] day\n\n year = +(match[1]);\n month = +(match[2]) - 1; // JS month starts with 0\n day = +(match[3]);\n\n if (!match[4]) { // no hour\n return new Date(Date.UTC(year, month, day));\n }\n\n // match: [4] hour [5] minute [6] second [7] fraction\n\n hour = +(match[4]);\n minute = +(match[5]);\n second = +(match[6]);\n\n if (match[7]) {\n fraction = match[7].slice(0, 3);\n while (fraction.length < 3) { // milli-seconds\n fraction += '0';\n }\n fraction = +fraction;\n }\n\n // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute\n\n if (match[9]) {\n tz_hour = +(match[10]);\n tz_minute = +(match[11] || 0);\n delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds\n if (match[9] === '-') delta = -delta;\n }\n\n date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));\n\n if (delta) date.setTime(date.getTime() - delta);\n\n return date;\n}\n\nfunction representYamlTimestamp(object /*, style*/) {\n return object.toISOString();\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:timestamp', {\n kind: 'scalar',\n resolve: resolveYamlTimestamp,\n construct: constructYamlTimestamp,\n instanceOf: Date,\n represent: representYamlTimestamp\n});\n","/**\n * @license\n * Lodash \n * Copyright OpenJS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.20';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading and trailing whitespace. */\n var reTrim = /^\\s+|\\s+$/g,\n reTrimStart = /^\\s+/,\n reTrimEnd = /\\s+$/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function(iteratee) {\n if (isArray(iteratee)) {\n return function(value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n }\n }\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '

' + func(text) + '

';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => '

fred, barney, & pebbles

'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '