eslintrc.json

{
	"parserOptions": {
		"ecmaVersion": 8,
		"sourceType": "script"
	},
	"extends": "eslint:recommended",
	"rules": {
		"accessor-pairs": "error",
		"arrow-spacing": ["error", {
			"before": true,
			"after": true
		}],
		"block-spacing": ["error", "always"],
		"brace-style": ["error", "1tbs", {
			"allowSingleLine": true
		}],
		"camelcase": ["error", {
			"properties": "never"
		}],
		"comma-dangle": ["error", {
			"arrays": "never",
			"objects": "never",
			"imports": "never",
			"exports": "never",
			"functions": "never"
		}],
		"comma-spacing": ["error", {
			"before": false,
			"after": true
		}],
		"comma-style": ["error", "last"],
		"constructor-super": "error",
		"curly": ["error", "multi-line"],
		"dot-location": ["error", "property"],
		"eol-last": "error",
		"eqeqeq": ["error", "always", {
			"null": "ignore"
		}],
		"func-call-spacing": ["error", "never"],
		"generator-star-spacing": ["error", {
			"before": true,
			"after": true
		}],
		"handle-callback-err": ["error", "^(err|error)$"],
		"indent": ["error", "tab", {
			"SwitchCase": 1,
			"VariableDeclarator": 1,
			"outerIIFEBody": 1,
			"MemberExpression": 1,
			"FunctionDeclaration": {
				"parameters": 1,
				"body": 1
			},
			"FunctionExpression": {
				"parameters": 1,
				"body": 1
			},
			"CallExpression": {
				"arguments": 1
			},
			"ArrayExpression": 1,
			"ObjectExpression": 1,
			"ImportDeclaration": 1,
			"flatTernaryExpressions": false,
			"ignoreComments": false
		}],
		"key-spacing": ["error", {
			"beforeColon": false,
			"afterColon": true
		}],
		"keyword-spacing": ["error", {
			"before": true,
			"after": true
		}],
		"new-cap": ["error", {
			"newIsCap": true,
			"capIsNew": false
		}],
		"new-parens": "error",
		"no-array-constructor": "error",
		"no-caller": "error",
		"no-class-assign": "error",
		"no-compare-neg-zero": "error",
		"no-cond-assign": "error",
		"no-const-assign": "error",
		"no-constant-condition": ["error", {
			"checkLoops": false
		}],
		"no-control-regex": "error",
		"no-debugger": "error",
		"no-delete-var": "error",
		"no-dupe-args": "error",
		"no-dupe-class-members": "error",
		"no-dupe-keys": "error",
		"no-duplicate-case": "error",
		"no-empty-character-class": "error",
		"no-empty-pattern": "error",
		"no-eval": "error",
		"no-ex-assign": "error",
		"no-extend-native": "error",
		"no-extra-bind": "error",
		"no-extra-boolean-cast": "error",
		"no-extra-parens": ["error", "functions"],
		"no-fallthrough": "error",
		"no-floating-decimal": "error",
		"no-func-assign": "error",
		"no-global-assign": "error",
		"no-implied-eval": "error",
		"no-inner-declarations": ["error", "functions"],
		"no-invalid-regexp": "error",
		"no-irregular-whitespace": "error",
		"no-iterator": "error",
		"no-label-var": "error",
		"no-labels": ["error", {
			"allowLoop": false,
			"allowSwitch": false
		}],
		"no-lone-blocks": "error",
		"no-mixed-operators": ["error", {
			"groups": [
				["==", "!=", "===", "!==", ">", ">=", "<", "<="],
				["&&", "||"],
				["in", "instanceof"]
			],
			"allowSamePrecedence": true
		}],
		"no-mixed-spaces-and-tabs": "error",
		"no-multi-spaces": "error",
		"no-multi-str": "error",
		"no-multiple-empty-lines": ["error", {
			"max": 1,
			"maxEOF": 0
		}],
		"no-negated-in-lhs": "error",
		"no-new": "error",
		"no-new-func": "error",
		"no-new-object": "error",
		"no-new-require": "error",
		"no-new-symbol": "error",
		"no-new-wrappers": "error",
		"no-obj-calls": "error",
		"no-octal": "error",
		"no-octal-escape": "error",
		"no-path-concat": "error",
		"no-proto": "error",
		"no-redeclare": ["error", {
			"builtinGlobals": false
		}],
		"no-regex-spaces": "error",
		"no-return-assign": ["error", "except-parens"],
		"no-return-await": "error",
		"no-self-assign": "error",
		"no-self-compare": "error",
		"no-sequences": "error",
		"no-shadow-restricted-names": "error",
		"no-sparse-arrays": "error",
		"no-tabs": "off",
		"no-template-curly-in-string": "error",
		"no-this-before-super": "error",
		"no-throw-literal": "error",
		"no-trailing-spaces": ["error", {
			"ignoreComments": true
		}],
		"no-undef": "error",
		"no-undef-init": "error",
		"no-unexpected-multiline": "error",
		"no-unmodified-loop-condition": "error",
		"no-unneeded-ternary": ["error", {
			"defaultAssignment": false
		}],
		"no-unreachable": "error",
		"no-unsafe-finally": "error",
		"no-unsafe-negation": "error",
		"no-unused-expressions": ["error", {
			"allowShortCircuit": true,
			"allowTernary": true,
			"allowTaggedTemplates": true
		}],
		"no-unused-vars": ["error", {
			"vars": "local",
			"args": "none",
			"ignoreRestSiblings": true
		}],
		"no-use-before-define": ["error", {
			"functions": false,
			"classes": false,
			"variables": false
		}],
		"no-useless-call": "error",
		"no-useless-computed-key": "error",
		"no-useless-constructor": "error",
		"no-useless-escape": "error",
		"no-useless-rename": "error",
		"no-useless-return": "error",
		"no-whitespace-before-property": "error",
		"no-with": "error",
		"object-curly-spacing": ["error", "always"],
		"object-property-newline": ["error", {
			"allowMultiplePropertiesPerLine": true
		}],
		"one-var": ["error", {
			"initialized": "never"
		}],
		"operator-linebreak": ["error", "after", {
			"overrides": {
				"?": "before",
				":": "before"
			}
		}],
		"padded-blocks": ["off"],
		"prefer-promise-reject-errors": "error",
		"quotes": ["error", "double", {
			"avoidEscape": true,
			"allowTemplateLiterals": true
		}],
		"rest-spread-spacing": ["error", "never"],
		"semi": ["error", "always"],
		"semi-spacing": ["error", {
			"before": false,
			"after": true
		}],
		"space-before-blocks": ["error", "always"],
		"space-before-function-paren": ["error", "never"],
		"space-in-parens": ["error", "never"],
		"space-infix-ops": "error",
		"space-unary-ops": ["error", {
			"words": true,
			"nonwords": false
		}],
		"spaced-comment": ["error", "always", {
			"line": {
				"markers": ["*package", "!", "/", ",", "="]
			},
			"block": {
				"balanced": true,
				"markers": ["*package", "!", ",", ":", "::", "flow-include"],
				"exceptions": ["*"]
			}
		}],
		"symbol-description": "error",
		"template-curly-spacing": ["error", "never"],
		"template-tag-spacing": ["error", "never"],
		"unicode-bom": ["error", "never"],
		"use-isnan": "error",
		"valid-typeof": ["error", {
			"requireStringLiterals": true
		}],
		"wrap-iife": ["error", "any", {
			"functionPrototypeMethods": true
		}],
		"yield-star-spacing": ["error", "both"],
		"yoda": ["error", "never"],
		"id-length": ["error", {
			"exceptions": ["$", "_", "i", "h", "s", "v", "a"]
		}]
	},
	"env": {
		"browser": true,
		"jquery": true,
		"es6": true
	},
	"globals": {
		"require": false,
		"module": false,
		"TRANSLATION_DE_DE": "readonly",
		"TRANSLATION_EN_US": "readonly",
		"TRANSLATION_NL": "readonly",
		"TRANSLATION_IT": "readonly",
		"TRANSLATION_ES": "readonly",
		"TRANSLATION_HU": "readonly",
		"TRANSLATION_RU": "readonly",
		"i18next": "readonly",
		"isLocalEnvironment": "readonly"
	}
}