Взято отсюда:
https://habr.com/ru/post/309958/
Инсталяция via npm (локально):
npm i --save-dev babel-eslint eslint eslint-loader eslint-plugin-react
а вот содержание файла .eslintrc:
{
"parser": "babel-eslint",
"plugins": [
"react"
],
"env": {
"browser": true,
"node": true,
"mocha": true,
"es6": true
},
"ecmaFeatures": {
"arrowFunctions": true,
"blockBindings": true,
"classes": true,
"defaultParams": true,
"destructuring": true,
"forOf": true,
"generators": false,
"modules": true,
"objectLiteralComputedProperties": true,
"objectLiteralDuplicateProperties": false,
"objectLiteralShorthandMethods": true,
"objectLiteralShorthandProperties": true,
"restParams": true,
"spread": true,
"superInFunctions": true,
"templateStrings": true,
"jsx": true
},
"rules":{
// Possible errors
"comma-dangle": [2, "never"],
"no-cond-assign": [2, "always"],
"no-constant-condition": 2,
"no-control-regex": 2,
"no-dupe-args": 2,
"no-dupe-keys": 2,
"no-duplicate-case": 2,
"no-empty-character-class": 2,
"no-empty": 2,
"no-extra-boolean-cast": 0,
"no-extra-parens": [2, "functions"],
"no-extra-semi": 2,
"no-func-assign": 2,
"no-inner-declarations": 2,
"no-invalid-regexp": 2,
"no-irregular-whitespace": 2,
"no-negated-in-lhs": 2,
"no-obj-calls": 2,
"no-regex-spaces": 2,
"no-sparse-arrays": 2,
"no-unreachable": 2,
"use-isnan": 2,
"valid-typeof": 2,
"no-unexpected-multiline": 0,
// Best Practices
"block-scoped-var": 2,
"complexity": [2, 40],
"curly": [2, "multi-line"],
"default-case": 2,
"dot-notation": [2, { "allowKeywords": true }],
"eqeqeq": 2,
"guard-for-in": 2,
"no-alert": 1,
"no-caller": 2,
"no-case-declarations": 2,
"no-div-regex": 0,
"no-else-return": 2,
"no-eq-null": 2,
"no-eval": 2,
"no-extend-native": 2,
"no-extra-bind": 2,
"no-fallthrough": 2,
"no-floating-decimal": 2,
"no-implied-eval": 2,
"no-iterator": 2,
"no-labels": 2,
"no-lone-blocks": 2,
"no-loop-func": 2,
"no-multi-str": 2,
"no-native-reassign": 2,
"no-new": 2,
"no-new-func": 2,
"no-new-wrappers": 2,
"no-octal": 2,
"no-octal-escape": 2,
"no-param-reassign": [2, { "props": true }],
"no-proto": 2,
"no-redeclare": 2,
"no-script-url": 2,
"no-self-compare": 2,
"no-sequences": 2,
"no-unused-expressions": 2,
"no-useless-call": 2,
"no-with": 2,
"radix": 2,
"wrap-iife": [2, "outside"],
"yoda": 2,
// ES2015
"arrow-parens": 0,
"arrow-spacing": [2, { "before": true, "after": true }],
"constructor-super": 2,
"no-class-assign": 2,
"no-const-assign": 2,
"no-this-before-super": 0,
"no-var": 2,
"object-shorthand": [2, "always"],
"prefer-arrow-callback": 2,
"prefer-const": 2,
"prefer-spread": 2,
"prefer-template": 2,
// Strict Mode
"strict": [2, "never"],
// Variables
"no-catch-shadow": 2,
"no-delete-var": 2,
"no-label-var": 2,
"no-shadow-restricted-names": 2,
"no-shadow": 2,
"no-undef-init": 2,
"no-undef": 2,
"no-unused-vars": 2,
// Node.js
"callback-return": 2,
"no-mixed-requires": 2,
"no-path-concat": 2,
"no-sync": 2,
"handle-callback-err": 1,
"no-new-require": 2,
// Stylistic
"array-bracket-spacing": [2, "never", {
"singleValue": true,
"objectsInArrays": true,
"arraysInArrays": true
}],
"newline-after-var": [1, "always"],
"brace-style": [2, "1tbs"],
"camelcase": [2, { "properties": "always" }],
"comma-spacing": [2, { "before": false, "after": true }],
"comma-style": [2, "last"],
"computed-property-spacing": [2, "never"],
"eol-last": 2,
"func-names": 1,
"func-style": [2, "declaration"],
"indent": [2, 2, { "SwitchCase": 1 }],
"jsx-quotes": [2, "prefer-single"],
"linebreak-style": [2, "unix"],
"max-len": [2, 128, 4, {
"ignoreUrls": true,
"ignoreComments": false,
"ignorePattern": "^\\s*(const|let|var)\\s+\\w+\\s+\\=\\s+\\/.*\\/(|i|g|m|ig|im|gm|igm);?$"
}],
"max-nested-callbacks": [2, 4],
"new-parens": 2,
"no-array-constructor": 2,
"no-lonely-if": 2,
"no-mixed-spaces-and-tabs": 2,
"no-multiple-empty-lines": [2, { "max": 2, "maxEOF": 1 }],
"no-nested-ternary": 2,
"no-new-object": 2,
"no-spaced-func": 2,
"no-trailing-spaces": 2,
"no-unneeded-ternary": 2,
"object-curly-spacing": [2, "always"],
"one-var": [2, "never"],
"padded-blocks": [2, "never"],
"quotes": [1, "single", "avoid-escape"],
"semi-spacing": [2, { "before": false, "after": true }],
"semi": [2, "always"],
"keyword-spacing": 2,
"space-before-blocks": 2,
"space-before-function-paren": [2, { "anonymous": "always", "named": "never" }],
"space-in-parens": [2, "never"],
"space-infix-ops": 2,
"space-unary-ops": [2, { "words": true, "nonwords": false }],
"spaced-comment": [2, "always", {
"exceptions": ["-", "+"],
"markers": ["=", "!"]
}],
// React
"react/jsx-boolean-value": 2,
"react/jsx-closing-bracket-location": 2,
"react/jsx-curly-spacing": [2, "never"],
"react/jsx-handler-names": 2,
"react/jsx-indent-props": [2, 2],
"react/jsx-indent": [2, 2],
"react/jsx-key": 2,
"react/jsx-max-props-per-line": [2, {maximum: 3}],
"react/jsx-no-bind": [2, {
"ignoreRefs": true,
"allowBind": true,
"allowArrowFunctions": true
}],
"react/jsx-no-duplicate-props": 2,
"react/jsx-no-undef": 2,
"react/jsx-pascal-case": 2,
"react/jsx-uses-react": 2,
"react/jsx-uses-vars": 2,
"react/no-danger": 2,
"react/no-deprecated": 2,
"react/no-did-mount-set-state": 0,
"react/no-did-update-set-state": 0,
"react/no-direct-mutation-state": 2,
"react/no-is-mounted": 2,
"react/no-multi-comp": 2,
"react/no-string-refs": 2,
"react/no-unknown-property": 2,
"react/prefer-es6-class": 2,
"react/prop-types": 2,
"react/react-in-jsx-scope": 2,
"react/self-closing-comp": 2,
"react/sort-comp": [2, {
"order": [
"lifecycle",
"/^handle.+$/",
"/^(get|set)(?!(InitialState$|DefaultProps$|ChildContext$)).+$/",
"everything-else",
"/^render.+$/",
"render"
]
}],
"react/jsx-wrap-multilines": 2,
// Legacy
"max-depth": [0, 4],
"max-params": [2, 4],
"no-bitwise": 2
},
"globals":{
"$": true,
"ga": true
}
}