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pathreplace.js
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pathreplace.js
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const _ = require('lodash');
const uuid = require('uuid');
const dayjs = require('dayjs');
dayjs.extend(require('dayjs/plugin/utc'));
dayjs.extend(require('dayjs/plugin/timezone'));
const validate = require('./validate');
const tools = require('./index');
const DEBUG = false;
const REG_MINI = /\{(\/.*?\/)?([a-zа-я_][a-zа-я0-9:_\-.[\]]*?)\}/gi;
const REG_FULL = /\{\?.*?(\{(\/.*?\/)?[a-z0-9_[\]]+\.?[a-zа-я_][a-zа-я0-9_.[\]]*?}.*?)+}/gsi;
const REG_RAND = /\{rnd\.(\d+)\}/gi;
const REGEX_ASNUMBER = /\{([a-zа-я0-9_.[\]{}]+)\.asnumber}/gi;
const REG_DIFF = /\{(?<pre>\/.*?\/)?(?<path>[a-zа-я0-9_.[\]{}]+)\.(?<ab>after|before)\.(?<tf>seconds?|minutes?|hours?|days?|weeks?|months?|years?|timeframes?|spell\.?(?<lang>[a-z]{2})?)\}/gi;
// const REG_DIFF = /\{([a-zа-я0-9_.[\]{}]+)\.(after|before)\.(seconds?|minutes?|hours?|days?|weeks?|months?|years?|timeframes?)\}/gi;
const REG_UUID = /\{uuid\.?(v\d)?}/gi;
const REGEX_TZ = /(\+\d{2}:\d{2}|Z)$/;
const REGEX_DIGITS = /^(\d+)$/;
// example:
// this user{?, who {user.age} years old,} can do some job
// this {? button {/do_(.+)/btn.text} action} is great
// ==============================================
function objectReplace(obj, somedata, options) {
if (DEBUG) console.debug(`objectReplace "${somedata}"`);
if (somedata === undefined
|| somedata === null
|| typeof somedata === 'boolean') return somedata;
const opt = { ...{
true: 'true',
false: 'false',
null: '',
undefined: '',
empty: '',
escape: undefined,
crlf: undefined,
array: undefined,
date: true,
dateformat: 'YYYY-MM-DD HH:mm:ss',
tz: undefined,
random: false
},
...options };
if (DEBUG) console.debug(options);
// simple value
if (typeof somedata !== 'object') {
if (DEBUG) console.debug('call smartReplace for Simple Value');
let res = smartReplace(obj, somedata, opt);
if (DEBUG) console.debug('call multiReplace for last time');
res = multiReplace(obj, res, opt).str;
if (DEBUG) console.debug('call randomTextReplace');
res = randomTextReplace(obj, res, opt);
return res;
}
// first - change key NAMES
Object.keys(somedata).forEach((key) => {
if (DEBUG) console.debug('call smartReplace for keyName');
const newkey = smartReplace(obj, key, opt);
if (newkey === key) return;
somedata[newkey] = somedata[key];
delete somedata[key];
});
// then change values
Object.keys(somedata).forEach((key) => {
// recursive
somedata[key] = objectReplace(obj, somedata[key], opt);
});
return somedata;
}
// ==============================================
function smartReplace(obj, strPath, opt) {
if (DEBUG) console.debug(`try smartReplace '${strPath}'`);
if (!strPath || typeof strPath !== 'string') return strPath;
// user{? age {user.age} and name {user.name}},
let out = strPath;
// const REG_FULL = /\{\?.*?(\{(\/.*?\/)?[a-z0-9[\]]+\.?[a-zа-я_][a-zа-я0-9_.[\]]*?}.*?)+}/gsi;
const regexResult = REG_FULL.exec(strPath);
if (regexResult) {
// [0] full string
// [1] sub-path in {}
// [2] sub-regex - if any
if (DEBUG) console.log(`smartReplace '${strPath}'`);
// remove "{?" and "}"
const subline = regexResult[0].slice(2, -1);
if (DEBUG) console.debug(`call multiReplace with '${subline}'`);
// we have to use FOUND var because of two and more paths in one string
const res = multiReplace(obj, subline, opt);
// if replace result is empty - replace FULL string
if (res.replaced === 0) {
if (DEBUG) console.debug(`smartReplace: not found, replacing '${regexResult[0]}' with empty`);
out = out.replace(regexResult[0], '');
if (DEBUG) console.debug(`smartReplace: out='${out}'`);
}
else {
if (DEBUG) console.debug(`smartReplace: found = ${res.replaced}, replacing '${regexResult[0]}' with '${res.str}'`);
// apply replace
out = out.replace(regexResult[0], res.str);
if (DEBUG) console.debug(`smartReplace: out='${out}'`);
}
// recursive
if (out.match(REG_FULL)) {
if (DEBUG) console.debug(`calling recursive smartReplace with ${out}'`);
out = smartReplace(obj, out, opt);
}
}
if (DEBUG) console.debug(`finally smartReplace res: ${out}`);
return out;
}
// ==============================================
function multiReplace(object, strPath, opt) {
if (DEBUG) console.log(`multiReplace '${strPath}'`);
const res = { str: strPath, found: 0, replaced: 0 };
let subres = {};
// what to do if dateDiff contains pathReplace?
do {
subres = dateDiffReplace(object, res.str, opt);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = subres.str;
} while (subres.found > 0);
do {
subres = randomReplace(res.str);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = subres.str;
} while (subres.found > 0);
do {
subres = uuidReplace(res.str);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = subres.str;
} while (subres.found > 0);
do {
subres = asNumberReplace(object, res.str, opt);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = subres.str;
} while (subres.found > 0);
do {
subres = pathReplace(object, res.str, opt);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = subres.str;
} while (subres.found > 0);
if (DEBUG) console.log(`multiReplace found: ${res.found}`);
if (res.found > 0) subres = multiReplace(object, res.str, opt);
res.found += subres.found;
res.replaced += subres.replaced;
res.str = cleanEmpties(subres.str);
if (DEBUG) console.log(`multiReplace returning res: ${tools.textify(res)}`);
return res;
}
// ==============================================
function uuidReplace(strPath) {
if (DEBUG) console.debug(`try uuidReplace ${strPath}`);
const res = { str: strPath, found: 0, replaced: 0 };
REG_UUID.lastIndex = 0;
const regexResult = REG_UUID.exec(strPath);
if (!regexResult) return res;
res.found = 1;
if (DEBUG) console.debug(`uuidReplace ${strPath}`);
const strfull = regexResult[0];
const ver = regexResult[1] || 'v4';
const subres = uuid[ver]();
res.str = strPath.replace(strfull, subres);
if (subres !== '') res.replaced = 1;
if (DEBUG) console.debug(`uuidReplace res: ${tools.textify(res)}`);
return res;
}
// ==============================================
function randomReplace(strPath) {
if (DEBUG) console.debug(`try randomReplace ${strPath}`);
const res = { str: strPath, found: 0, replaced: 0 };
REG_RAND.lastIndex = 0; // because of index pointer
const regexResult = REG_RAND.exec(strPath);
// console.debug(regexResult);
if (!regexResult) return res;
res.found = 1;
if (DEBUG) console.debug(`randomReplace ${strPath}`);
const strfull = regexResult[0];
const snumber = regexResult[1];
const inumber = parseInt(snumber) || 100;
const rnd = Math.round(Math.random() * inumber);
const srnd = rnd.toString().padStart(snumber.length, '0');
res.str = strPath.replace(strfull, srnd);
if (srnd !== '') res.replaced = 1;
if (DEBUG) console.debug(`randomReplace str: ${tools.textify(res)}`);
return res;
}
// ==============================================
function asNumberReplace(obj, strPath, opt) {
if (DEBUG) console.debug(`try asNumberReplace '${strPath}'`);
const res = { str: strPath, found: 0, replaced: 0 };
REGEX_ASNUMBER.lastIndex = 0;
const regexResult = REGEX_ASNUMBER.exec(strPath);
if (!regexResult) return res;
res.found = 1;
if (DEBUG) console.debug(`asNumberReplace '${strPath}'`);
if (DEBUG) console.debug(regexResult);
const objpath = regexResult[0];
const snumber = regexResult[1];
if (DEBUG) console.debug(`call pathReplace from asNumberReplace with '{${snumber}}'`);
const result = { str: `{${snumber}}`, found: 0, replaced: 0 };
let subres = {};
do {
// replace datetime to universal format without timezone - do not use opt so
subres = pathReplace(obj, result.str, { tz: opt.tz }); // do NOT use opt because of dateformat
result.found += subres.found;
result.replaced += subres.replaced;
result.str = subres.str;
} while (subres.found > 0);
const { str } = result;
if (DEBUG) console.debug(`=> return from pathReplace is '${str}'`);
if (str === 'undefined') {
if (DEBUG) console.debug(`undefined, returning empty`);
res.str = strPath.replace(objpath, '');
return res;
}
let value = parseFloat(str);
if (!isNaN(value)) {
value = value.toLocaleString('en-US');
if (DEBUG) console.debug(`parsed, replacing '${objpath}' to '${value}'`);
res.str = strPath.replace(objpath, value);
res.replaced = 1;
}
else {
if (DEBUG) console.debug(`not parsed, returned as is: '${str}'`);
res.str = strPath.replace(objpath, str);
}
return res;
}
// ==============================================
function dateDiffReplace(obj, strPath, opt) {
if (DEBUG) console.debug(`try dateDiffReplace '${strPath}'`);
const res = { str: strPath, found: 0, replaced: 0 };
// const REG_DIFF = /\{(\w+\.\w[^{}]*?)\.(after|before)\.(second|minute|hour|day|week|month|year)\}/gi;
REG_DIFF.lastIndex = 0;
const regexResult = REG_DIFF.exec(strPath);
if (!regexResult) return res;
res.found = 1;
if (DEBUG) console.debug(`dateDiffReplace '${strPath}'`);
if (DEBUG) console.debug(regexResult.groups);
const strfull = regexResult[0];
const objpath = regexResult.groups.path;
// const objpath = regexResult[1];
const afterbefore = regexResult.groups.ab;
// const afterbefore = regexResult[2];
let interval = regexResult.groups.tf.replace(/s$/, ''); // remove last 's'
// let interval = regexResult[3].replace(/s$/, ''); // remove last 's'
let timeframe = false;
if (interval === 'timeframe') {
interval = 'second';
timeframe = true;
}
let spell = false;
if (interval.startsWith('spell')) {
interval = 'second';
spell = true;
}
if (DEBUG) console.debug(`call pathReplace from Diff with '{${objpath}}'`);
// we need this because of {user.products.{invoice.name}.start.before.minute}
const result = { str: `{${objpath}}`, found: 0, replaced: 0 };
let subres = {};
do {
// replace datetime to universal format without timezone - do not use opt so
subres = pathReplace(obj, result.str, { tz: opt.tz }); // do NOT use opt because of dateformat
result.found += subres.found;
result.replaced += subres.replaced;
result.str = subres.str;
} while (subres.found > 0);
const { str } = result;
if (DEBUG) console.debug(`=> from pathReplace is '${str}'`);
let diff;
if (dayjs(str).isValid()) {
if (DEBUG) console.log(`using tz: ${opt.tz}`);
// if our string contains tz like +03:00 or ...000Z, so do not apply TZ parsing
let date2;
// const REGEX_TZ = /(\+\d{2}:\d{2}|Z)$/;
if (str.match(REGEX_DIGITS)) {
date2 = dayjs(parseInt(str));
if (DEBUG) console.log(`parsing by timestamp: ${date2}`);
}
else if (str.match(REGEX_TZ) || !opt.tz) {
date2 = dayjs(str);
if (DEBUG) console.log(`parsing without tz: ${date2}`);
}
else {
date2 = dayjs.tz(str, opt.tz);
if (DEBUG) console.log(`parsing with tz: ${date2}`);
}
if (DEBUG) console.log(date2.toString());
// if (DEBUG) console.log(dayjs());
if (afterbefore === 'after') diff = (opt.tz) ? dayjs().tz(opt.tz).diff(date2, interval) : dayjs().diff(date2, interval);
if (afterbefore === 'before') diff = (opt.tz) ? date2.tz(opt.tz).diff(dayjs(), interval) : date2.diff(dayjs(), interval);
if (timeframe) diff = tools.timetotf2(diff * 1000);
if (spell) diff = doSpell(diff, regexResult.groups.lang);
// apply pre-regex
diff = applySubRegex(diff, regexResult.groups.pre);
if (DEBUG) console.log(`diff ${diff}`);
}
else {
diff = '';
if (DEBUG) console.log(`diff ${diff}`);
}
res.str = strPath.replace(strfull, diff);
if (diff !== '') res.replaced = 1;
if (DEBUG) console.debug(`dateDiffReplace str: '${tools.textify(res)}'`);
return res;
}
// ==============================================
function pathReplace(object, strPath, opt) {
if (DEBUG) console.debug(`try pathReplace '${strPath}' with opt ${JSON.stringify(opt)}`);
const res = { str: strPath, found: 0, replaced: 0 };
REG_MINI.lastIndex = 0;
// const REG_MINI = /\{(\/.*?\/)?([a-zа-я0-9_[\]]+\.?[a-zа-я_][a-zа-я0-9:_.[\]]*?)\}/gi;
const regexResult = REG_MINI.exec(strPath);
if (DEBUG) console.debug('regexResult', regexResult);
if (!regexResult) return res;
res.found = 1;
if (DEBUG) console.log(`pathReplace ${tools.textify(regexResult)}`);
const strfull = regexResult[0];
const sregex = regexResult[1];
const objpath = regexResult[2];
regexResult.lastIndex = 0;
// get value
let replaceText = _.get(object, objpath); // INCORRECT!!!
if (DEBUG) console.debug(`[ ] replaceText (before): '${typeof replaceText}' ${tools.textify(replaceText)}`);
// replaceText could be ANY type
if (replaceText === '') replaceText = opt.empty;
if (replaceText === null) replaceText = opt.null;
if (replaceText === true) replaceText = opt.true;
if (replaceText === false) replaceText = opt.false;
if (replaceText === undefined) {
replaceText = (_.endsWith(objpath, '.length')) ? 0 : opt.undefined;
}
if (Array.isArray(replaceText) && opt.array && typeof replaceText[0] !== 'object') {
replaceText = replaceText.filter(Boolean).join(opt.array);
}
// if (typeof replaceText === 'object') replaceText = tools.textify(replaceText, { crlf: false }); // WHY no crlf?
if (typeof replaceText === 'object') replaceText = tools.textify(replaceText); // WHY no crlf?
if (typeof replaceText === 'string' && opt.crlf !== undefined) {
replaceText = replaceText.replace(/\n/g, opt.crlf);
if (DEBUG) console.debug(`[ ] opt.crlf replace, result:`);
if (DEBUG) console.debug(replaceText);
}
// if (DEBUG) console.debug(`z2: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
// if (dayjs(replaceText).isValid() && opt.date) { // do NOT use dayjs validation - check JEST
if (validate.isDateTime(replaceText) && opt.date) {
try {
// if (DEBUG) console.debug(`z2.1: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
replaceText = (opt.tz)
? dayjs(replaceText).tz(opt.tz).format(opt.dateformat)
: dayjs(replaceText).format(opt.dateformat);
// replaceText = dayjs(replaceText).tz(opt.tz).format(opt.dateformat);
// if (DEBUG) console.debug(`z2.2: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
}
catch (e) {
console.error(`[-] ${e.message}`);
replaceText = dayjs(replaceText).tz().format('YYYY-MM-DD HH:mm:ss');
}
}
// if (DEBUG) console.debug(`z3: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
if (typeof replaceText === 'string' && opt.escape !== undefined && typeof opt.escape === 'string') {
let newres = '';
for (let i = 0; i < replaceText.length; i += 1) {
// if (replaceText.charCodeAt(i) <= 126) newres += `\\${replaceText[i]}`;
// if (replaceText.charCodeAt(i) > 126) newres += replaceText[i];
if (opt.escape.indexOf(replaceText[i]) !== -1) {
newres += `\\${replaceText[i]}`;
}
else {
newres += replaceText[i];
}
}
replaceText = newres;
}
// if (DEBUG) console.debug(`z4: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
// if this is an array of simple items, not array of objects
// fix $& behavior
// if (DEBUG) console.debug(`z5: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
if (typeof replaceText === 'string' && replaceText.includes('$')) replaceText = replaceText.replace(/\$/g, '$$$$');
// if (DEBUG) console.debug(`z6: ${Number(process.hrtime.bigint() - t1)/1000} mcs`);
if (DEBUG) console.debug(`[ ] replaceText (after): '${typeof replaceText}' ${replaceText}`);
// if (opt.str && replaceText === null) replaceText = 'null';
// replaceText = replaceText.toString().trim();
// if we have sub-regex, apply it
replaceText = applySubRegex(replaceText, sregex);
res.str = strPath.replace(strfull, replaceText);
if (replaceText !== '' && replaceText !== null) res.replaced = 1;
if (DEBUG) console.debug(`pathReplace res: ${tools.textify(res)}`);
return res;
}
// ==============================================
function cleanEmpties(strPath) {
if (!strPath || typeof strPath !== 'string') return strPath;
let out = strPath;
// out = out.replace(/ +/g, ' '); // I need double spaces for <code> identation
out = out.replace(/\n{3,}/gm, '\n\n');
// out = out.trim(); // NEVER do trim
return out;
}
// ==============================================
function applySubRegex(inputString, subregex) {
// no subregex? return original string
if (!subregex) return inputString;
let result = inputString;
if (typeof result === 'string' && subregex) {
if (DEBUG) console.log(`applySubRegex ${subregex} to ${inputString}`);
try {
const subRegex = new RegExp(subregex.slice(1, -1), 'si');
const subResult = result.match(subRegex);
// in case we have subregex, but not match - we replace with ''
if (!subResult) result = '';
if (subResult && subResult[1]) result = subResult[1].trim();
}
catch (e) {
if (DEBUG) console.error(`[-] tools.pathreplace: ${e.message}`);
if (DEBUG) console.log(subregex.slice(1, -1));
}
if (DEBUG) console.log(`...subregex: ${result}`);
}
return result;
}
// ==============================================
function randomTextReplace(obj, str, opt) {
if (!opt.random) {
if (DEBUG) console.debug(`try opt.random is not true, return '${str}'`);
return str;
}
if (DEBUG) console.debug(`try randomTextReplace '${str}'`);
const res = tools.randomtext(str);
if (DEBUG) console.debug(`return '${res}'`);
return res;
}
// ==============================================
function doSpell(timeDifference, _lang = 'ru') {
const lang = (_lang === 'ru') ? 'ru' : 'en';
if (DEBUG) console.debug(`doSpell timeDifference ${timeDifference}`);
const years = Math.floor(timeDifference / (60 * 60 * 24 * 365));
const months = Math.floor(timeDifference / (60 * 60 * 24 * 30));
const days = Math.floor(timeDifference / (60 * 60 * 24));
const hours = Math.floor((timeDifference % (60 * 60 * 24)) / (60 * 60));
const minutes = Math.floor((timeDifference % (60 * 60)) / (60));
const seconds = Math.floor(timeDifference);
if (DEBUG) console.debug(`doSpell ${years} years, ${months} months, ${days} days, ${hours} hours, ${minutes} minutes, ${seconds} seconds`);
if (years > 0) return `${years} ${spellTimeframe(months, 'y', lang)}`;
if (months > 0) return `${months} ${spellTimeframe(months, 'M', lang)}`;
if (days > 0) return `${days} ${spellTimeframe(days, 'd', lang)}`;
if (hours > 0) return `${hours} ${spellTimeframe(hours, 'h', lang)}`;
if (minutes > 0) return `${minutes} ${spellTimeframe(minutes, 'm', lang)}`;
if (seconds >= 0) return `${seconds} ${spellTimeframe(seconds, 's', lang)}`;
return `${0} ${spellTimeframe(0, 'm', 'ru')}`;
}
// ==============================
function spellTimeframe(num, char, lang) {
const p = {
ru: {
s: { one: 'секунда', elv: 'секунд', two: 'секунды' },
m: { one: 'минута', elv: 'минут', two: 'минуты' },
h: { one: 'час', elv: 'часов', two: 'часа' },
d: { one: 'день', elv: 'дней', two: 'дня' },
M: { one: 'месяц', elv: 'месяцев', two: 'месяца' },
y: { one: 'год', elv: 'лет', two: 'года' }
},
en: {
s: { one: 'second', elv: 'seconds', two: 'seconds' },
m: { one: 'minute', elv: 'minutes', two: 'minutes' },
h: { one: 'hour', elv: 'hours', two: 'hours' },
d: { one: 'day', elv: 'days', two: 'days' },
M: { one: 'month', elv: 'months', two: 'months' },
y: { one: 'year', elv: 'years', two: 'years' }
}
};
if (num >= 10 && num <= 20) return p[lang][char].elv;
if (num % 10 === 1) return p[lang][char].one;
if (num % 10 >= 2 && num % 10 <= 4) return p[lang][char].two;
return p[lang][char].elv;
}
module.exports = objectReplace;