.eslintrc.json

{
	"extends": "eslint:recommended",
	"env": {
		"node": true,
		"es6": true
	},

	"parser": "babel-eslint",
	"parserOptions": {
		"sourceType": "module",
		"ecmaVersion": 8,
		"ecmaFeatures": {
			"blockBindings": true,
			"forOf": true,
			"modules": true
		}
	},

	"rules": {
		"for-direction": 2,
		"getter-return": 2,
		"no-await-in-loop": 2,
		"no-console": 1,
		"no-debugger": 1,
		"no-extra-parens": 1,
		"no-template-curly-in-string": 1,
		"valid-jsdoc": 1,

		"array-callback-return": 2,
		"block-scoped-var": 1,
		"complexity": [1, 10],
		"consistent-return": 1,
		"curly": 1,
		"default-case": 2,
		"dot-location": [1, "property"],
		"dot-notation": 2,
		"eqeqeq": [2, "smart"],
		"guard-for-in": 1,
		"no-alert": 1,
		"no-caller": 2,
		"no-empty-function": 1,
		"no-eval": 2,
		"no-extra-bind": 1,
		"no-extra-label": 1,
		"no-floating-decimal": 2,
		"no-implied-eval": 2,
		"no-invalid-this": 1,
		"no-iterator": 2,
		"no-loop-func": 2,
		"no-multi-spaces": 1,
		"no-octal-escape": 2,
		"no-proto": 2,
		"no-return-assign": 1,
		"no-return-await": 2,
		"no-script-url": 2,
		"no-sequences": 2,
		"no-self-compare": 2,
		"no-throw-literal": 1,
		"no-unmodified-loop-condition": 1,
		"no-unused-expressions": 1,
		"no-useless-call": 1,
		"no-useless-concat": 1,
		"no-useless-escape": 1,
		"no-useless-return": 1,
		"no-void": 1,
		"no-warning-comments": [1, { "terms": ["fixme"], "location": "anywhere" }],
		"no-with": 1,
		"prefer-promise-reject-errors": 1,
		"require-await": 1,
		"wrap-iife": 1,
		"yoda": 1,

		"no-label-var": 2,
		"no-unused-vars": [1, {
			"vars": "all",
			"args": "after-used"
		}],

		"array-bracket-spacing": [1, "never"],
		"block-spacing": 1,
		"brace-style": [1, "1tbs", { "allowSingleLine": true }],
		"camelcase": [1, {
			"properties": "never"
		}],
		"comma-dangle": [1, "never"],
		"comma-spacing": [1, { "before": false, "after": true }],
		"comma-style": 1,
		"computed-property-spacing": [1, "never"],
		"eol-last": [1, "always"],
		"func-call-spacing": [1, "never"],
		"function-paren-newline": [2, "consistent"],
		"implicit-arrow-linebreak": [1, "beside"],
		"indent": [1, "tab", { "SwitchCase": 1 }],
		"key-spacing": [1, { "beforeColon": false, "afterColon": true }],
		"keyword-spacing": 1,
		"linebreak-style": [2, "unix"],
		"lines-between-class-members": [1, "always"],
		"max-depth": [1, { "max": 4 }],
		"max-len": [1, { "code": 120, "tabWidth": 4, "ignoreRegExpLiterals": true, "ignoreStrings": true }],
		"max-lines": [1, { "max": 300, "skipBlankLines": true, "skipComments": true }],
		"max-params": [1, 5],
		"max-statements": [1, 25],
		"no-continue": 1,
		"no-mixed-spaces-and-tabs": 1,
		"no-multiple-empty-lines": [1, {
			"max": 2,
			"maxBOF": 0,
			"maxEOF": 1
		}],
		"no-negated-condition": 1,
		"no-trailing-spaces": 1,
		"no-underscore-dangle": 0,
		"no-whitespace-before-property": 1,
		"operator-linebreak": [1, "after"],
		"quote-props": [1, "as-needed"],
		"quotes": [2, "single", "avoid-escape"],
		"semi": [1, "always"],
		"semi-spacing": [1, { "before": false, "after": true }],
		"space-before-function-paren": [1, "always"],
		"spaced-comment": [1, "always"],

		"arrow-parens": [1, "always"],
		"arrow-spacing": 1,
		"generator-star-spacing": [1, { "before": true, "after": false }],
		"no-confusing-arrow": 1,
		"no-duplicate-imports": 2,
		"no-useless-computed-key": 1,
		"no-var": 2,
		"object-shorthand": 1,
		"template-curly-spacing": 1
	},
	"overrides": [
		{
			"files": "*.spec.js",
			"rules": {
				"no-console": 0
			}
		}
	]
}