.eslintrc.json

{
  "extends": ["plugin:react/recommended", "plugin:import/errors", "plugin:import/warnings"],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
        "jsx": true,
        "experimentalObjectRestSpread": true
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "commonjs": true,
    "es6": true
  },
  "rules": {
    "no-cond-assign": [2, "except-parens"],
    "no-console": 2,
    "no-constant-condition": 2,
    "no-control-regex": 2,
    "no-debugger": 2,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-empty-character-class": 2,
    "no-empty": 2,
    "no-ex-assign": 2,
    "no-extra-boolean-cast": 2,
    "no-extra-parens": 0,
    "no-extra-semi": 2,
    "no-func-assign": 2,
    "no-inner-declarations": 2,
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-obj-calls": 2,
    "no-prototype-builtins": 0,
    "no-regex-spaces": 2,
    "no-sparse-arrays": 2,
    "no-template-curly-in-string": 2,
    "no-unexpected-multiline": 2,
    "no-unreachable": 2,
    "no-unsafe-finally": 2,
    "no-unsafe-negation": 2,
    "use-isnan": 2,
    "valid-jsdoc": [2, { "requireReturn": false, "requireReturnType": true, "requireParamDescription": false, "requireReturnDescription": false }],
    "valid-typeof": 2,

    // Best Practices
    "accessor-pairs": 2,
    "array-callback-return": 2,
    "block-scoped-var": 2,
    "class-methods-use-this": 0,
    "complexity": 0,
    "consistent-return": 2,
    "curly": 2,
    "default-case": 2,
    "dot-location": [2, "property"],
    "dot-notation": 2,
    "eqeqeq": [2, "always", { "null": "ignore" }],
    "guard-for-in": 0,
    "no-alert": 2,
    "no-caller": 2,
    "no-case-declarations": 2,
    "no-div-regex": 2,
    "no-else-return": 2,
    "no-empty-function": [2, { "allow": ["arrowFunctions", "constructors", "methods"] }],
    "no-empty-pattern": 2,
    "no-eq-null": "warn",
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-label": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-global-assign": 2,
    "no-implicit-coercion": [2, { "boolean": false, "number": true, "string": true, "allow": [] }],
    "no-implicit-globals": 2,
    "no-implied-eval": 2,
    "no-invalid-this": "warn",
    "no-iterator": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-magic-numbers": 0,
    "no-multi-spaces": [2, { "exceptions": { "Property": true, "VariableDeclarator": true, "ImportDeclaration": true, "Property": true } }],
    "no-multi-str": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-octal": 2,
    "no-octal-escape": 2,
    "no-param-reassign": [2, { "props": false }],
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-self-assign": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-throw-literal": 2,
    "no-unmodified-loop-condition": "warn",
    "no-unused-expressions": [2, { "allowShortCircuit": true, "allowTernary": true }],
    "no-unused-labels": 2,
    "no-useless-call": 2,
    "no-useless-concat": 2,
    "no-useless-escape": 2,
    "no-useless-return": 2,
    "no-void": 2,
    "no-warning-comments": 0,
    "no-with": 2,
    "radix": 2,
    "vars-on-top": 0,
    "wrap-iife": [2, "inside"],
    "yoda": 2,

    // Strict Mode
    "strict": [2, "global"],

    // Variables
    "init-declarations": 0,
    "no-catch-shadow": 2,
    "no-delete-var": 2,
    "no-label-var": 2,
    "no-restricted-globals": 2,
    "no-shadow": 0,
    "no-shadow-restricted-names": 2,
    "no-undef": 2,
    "no-undef-init": 2,
    "no-undefined": 0,
    "no-unused-vars": 1,
    "no-use-before-define": [2, "nofunc"],

    // Node.js and CommonJS
    "callback-return": 0,
    "global-require": 2,
    "handle-callback-err": 2,
    "no-mixed-requires": 2,
    "no-new-require": 2,
    "no-path-concat": 2,
    "no-process-env": 0,
    "no-process-exit": 0,
    "no-restricted-modules": 0,
    "no-sync": 0,

    // Stylistic Issues
    "array-bracket-spacing": [2, "never"],
    "block-spacing": [2, "always"],
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    "camelcase": [2, { "properties": "always" }],
    "comma-dangle": 0,
    "comma-spacing": [2, { "before": false, "after": true }],
    "comma-style": [2, "last"],
    "computed-property-spacing": [2, "never"],
    "consistent-this": [0, "self"],
    "eol-last": [2, "always"],
    "func-call-spacing": [2, "never"],
    "func-name-matching": 2,
    "func-names": 0,
    "func-style": [2, "declaration", { "allowArrowFunctions": true }],
    "id-blacklist": 0,
    "id-length": 0,
    "id-match": 0,
    "indent": [2, 2, { "SwitchCase": 1, "VariableDeclarator": { "var": 2, "let": 2, "const": 3 }, "FunctionDeclaration": {"parameters": "first"}, "CallExpression": {"arguments": "first"}, "FunctionExpression": {"parameters": "first"} }],
    "jsx-quotes": [2, "prefer-single"],
    "key-spacing": [2, { "beforeColon": false, "afterColon": true, "mode": "minimum" }],
    "keyword-spacing": [2, { "before": true, "after": true }],
    "line-comment-position": [1, { "position": "above" }],
    "linebreak-style": [2, "unix"],
    "lines-around-comment": 2,
    "max-depth": [2, 6],
    "max-len": [1, { "code": 125, "tabWidth": 4 }],
    "max-lines": 0,
    "max-nested-callbacks": [2, { "max": 5 }],
    "max-params": [1, { "max": 10 }],
    "max-statements": 0,
    "max-statements-per-line": [2, { "max": 2 }],
    "multiline-ternary": 0,
    "new-cap": [2, { "newIsCap": true, "capIsNew": false, "properties": false }],
    "new-parens": 2,
    "newline-after-var": [2, "always"],
    "newline-before-return": 2,
    "newline-per-chained-call": [2, { "ignoreChainWithDepth": 4 }],
    "no-array-constructor": 2,
    "no-bitwise": 0,
    "no-continue": 0,
    "no-inline-comments": 0,
    "no-lonely-if": 2,
    "no-mixed-operators": [2, { "allowSamePrecedence": true }],
    "no-mixed-spaces-and-tabs": 2,
    "no-multiple-empty-lines": [2, { "max": 1, "maxEOF": 1, "maxBOF": 0 }],
    "no-negated-condition": 0,
    "no-nested-ternary": 2,
    "no-new-object": 2,
    "no-plusplus": 0,
    "no-restricted-syntax": [2, "DebuggerStatement", "EmptyStatement", "LabeledStatement", "WithStatement"],
    "no-ternary": 0,
    "no-trailing-spaces": 1,
    "no-underscore-dangle": 0,
    "no-unneeded-ternary": 2,
    "no-whitespace-before-property": 2,
    "object-curly-newline": 0,
    "object-curly-spacing": [2, "always"],
    "object-property-newline": 0,
    "one-var": [2, { "initialized": "never", "uninitialized": "always" }],
    "one-var-declaration-per-line": [2, "always"],
    "operator-assignment": 0,
    "operator-linebreak": [2, "before"],
    "padded-blocks": [0, "never"],
    "quote-props": [2, "as-needed"],
    "quotes": [2, "single", { "allowTemplateLiterals": true }],
    "require-jsdoc": [0, { "require": { "FunctionDeclaration": false, "ClassDeclaration": true, "MethodDefinition": true } }],
    "semi": [2, "always"],
    "semi-spacing": [2, { "before": false, "after": true }],
    "sort-keys": 0,
    "sort-vars": 0,
    "space-before-blocks": [2, "always"],
    "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", { "markers": ["!"] }],
    "unicode-bom": [2, "never"],
    "wrap-regex": 2,

    // ECMAScript 6
    "arrow-body-style": [2, "as-needed"],
    "arrow-parens": [2, "as-needed"],
    "arrow-spacing": [2, { "before": true, "after": true }],
    "constructor-super": 2,
    "generator-star-spacing": [2, {"before": true, "after": false}],
    "no-class-assign": 2,
    "no-confusing-arrow": [2, { "allowParens": true }],
    "no-const-assign": 2,
    "no-dupe-class-members": 2,
    "no-duplicate-imports": 2,
    "no-new-symbol": 2,
    "no-restricted-imports": 0,
    "no-return-await": 2,
    "no-this-before-super": 2,
    "no-useless-computed-key": 2,
    "no-useless-constructor": 2,
    "no-useless-rename": 2,
    "no-var": 2,
    "object-shorthand": 2,
    "prefer-arrow-callback": 0,
    "prefer-const": 2,
    "prefer-numeric-literals": 2,
    "prefer-rest-params": 0,
    "prefer-spread": 2,
    "prefer-template": 2,
    "require-yield": 2,
    "rest-spread-spacing": [2, "never"],
    "sort-imports": 0,
    "symbol-description": 2,
    "template-curly-spacing": [2, "never"],
    "yield-star-spacing": [2, "before"],

    // plugin: import
    "import/no-unresolved": [2, { "commonjs": true }],

    // plugin: react
    "react/prop-types": 0
  },
  "settings": {
    "import/resolver": "webpack"
  }
}