ESLint config

.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "plugins": [
        "react",
        "import"
    ],
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "sourceType": "module"
    },
    "parser": "babel-eslint",
    "rules": {
        // Possible errors
        "no-await-in-loop": [1],
        "no-compare-neg-zero": [2],
        "no-cond-assign": [2, "except-parens"],
        "no-console": [1, { "allow": ["error"] }],
        "no-constant-condition": [2],
        "no-control-regex": [1],
        "no-debugger": [2],
        "no-dupe-args": [2],
        "no-dupe-keys": [2],
        "no-duplicate-case": [2],
        "no-empty": [1],
        "no-empty-character-class": [2],
        "no-ex-assign": [2],
        "no-extra-boolean-cast": [2],
        "no-extra-parens": [1],
        "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": [1],
        "valid-typeof": [2],
        // Best practices
        "accessor-pairs": [2],
        "array-callback-return": [2],
        "block-scoped-var": [2],
        "class-methods-use-this": [2],
        "complexity": [0],
        "consistent-return": [2],
        "curly": [1, "multi-or-nest"],
        "default-case": [2],
        "dot-location": [2, "property"],
        "dot-notation": [2],
        "eqeqeq": [2],
        "guard-for-in": [2],
        "no-alert": [1],
        "no-caller": [2],
        "no-case-declarations": [2],
        "no-div-regex": [2],
        "no-else-return": [2],
        "no-empty-function": [2],
        "no-empty-pattern": [2],
        "no-eq-null": [2],
        "no-eval": [2],
        "no-extend-native": [2],
        "no-extra-bind": [2],
        "no-extra-label": [2],
        "no-fallthrough": [2],
        "no-floating-decimal": [1],
        "no-global-assign": [2],
        "no-implicit-coercion": [ 2, { "allow": ["!!"] }],
        "no-implicit-globals": [2],
        "no-implied-eval": [2],
        "no-invalid-this": [2],
        "no-iterator": [2],
        "no-labels": [0],
        "no-lone-blocks": [2],
        "no-loop-func": [2],
        "no-magic-numbers": [1, {"ignore": [0, 1]}],
        "no-multi-spaces": [2],
        "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],
        "no-proto": [2],
        "no-redeclare": [2],
        "no-restricted-properties": [0],
        "no-return-assign": [2],
        "no-return-await": [2],
        "no-script-url": [2],
        "no-self-assign": [2],
        "no-self-compare": [2],
        "no-sequences": [2],
        "no-throw-literal": [2],
        "no-unmodified-loop-condition": [2],
        "no-unused-expressions": [2],
        "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],
        "prefer-promise-reject-errors": [2, {"allowEmptyReject": true}],
        "radix": [1, "as-needed"],
        "require-await": [2],
        "vars-on-top": [2],
        "wrap-iife": [2, "inside"],
        "yoda": [2, "never", {"exceptRange": true}],
        // Strict mode
        "strict": [2],
        // Variables
        "init-declarations": [2],
        "no-catch-shadow": [0],
        "no-delete-var": [2],
        "no-label-var": [2],
        "no-restricted-globals": [0],
        "no-shadow": [2, {"allow": ["err", "resolve"]}],
        "no-shadow-restricted-names": [2],
        "no-undef": [2],
        "no-undef-init": [2],
        "no-undefined": [2],
        "no-unused-vars": [2],
        "no-use-before-define": [2],
        // Node.JS and Common.JS
        "callback-return": [1],
        "global-require": [2],
        "handle-callback-err": [1, "^.*err(?:or)?$"],
        "no-mixed-requires": [2],
        "no-new-require": [2],
        "no-path-concat": [2],
        "no-process-env": [0],
        "no-process-exit": [2],
        "no-restricted-modules": [0],
        "no-sync": [0],
        // Stylistic issues
        "array-bracket-spacing": [2, "never"],
        "block-spacing": [2],
        "brace-style": [2, "stroustrup"],
        "camelcase": [2],
        "capitalized-comments": [1, "always", {"ignoreConsecutiveComments": true}],
        "comma-dangle": [2, "always-multiline"],
        "comma-spacing": [2],
        "comma-style": [2],
        "computed-property-spacing": [2],
        "consistent-this": [0],
        "eol-last": [2],
        "func-call-spacing": [1, "never"],
        "func-name-matching": [1],
        "func-names": [0],
        "func-style": [1, "declaration", {"allowArrowFunctions": true}],
        "id-blacklist": [0],
        "id-length": [0],
        "id-match": [0],
        "indent": [2, "tab", {"SwitchCase": 1, "MemberExpression": 1}],
        "jsx-quotes": [2, "prefer-double"],
        "key-spacing": [2],
        "keyword-spacing": [2],
        "line-comment-positions": [0],
        "linebreak-style": [0],
        "lines-around-comment": [0],
        "lines-around-directive": [0],
        "max-depth": [0],
        "max-len": [1, {"ignoreTrailingComments": true, "ignoreUrls": true}],
        "max-lines": [0],
        "max-nested-callbacks": [0],
        "max-params": [0],
        "max-statements": [0],
        "max-statements-per-line": [1],
        "multiline-ternary": [0],
        "new-cap": [2],
        "new-parens": [2],
        "newline-after-var": [1],
        "newline-before-return": [0],
        "newline-per-chained-call": [2],
        "no-array-constructor": [2],
        "no-bitwise": [2, {"allow": ["<<", ">>"]}],
        "no-continue": [0],
        "no-inline-comments": [1],
        "no-lonely-if": [2],
        "no-mixed-operators": [2],
        "no-mixed-spaces-and-tabs": [2],
        "no-multi-assign": [0],
        "no-multiple-empty-lines": [2],
        "no-negated-condition": [0],
        "no-nested-ternary": [0],
        "no-new-object": [2],
        "no-plusplus": [0],
        "no-restricted-syntax": [0],
        "no-tabs": [0],
        "no-ternary": [0],
        "no-trailing-spaces": [2],
        "no-underscore-dangle": [2],
        "no-unneeded-ternary": [2],
        "no-whitespace-before-property": [2],
        "nonblock-statement-body-position": [0],
        "object-curly-newline": [2, {"multiline": true}],
        "object-curly-spacing": [2, "always"],
        "object-property-newline": [2],
        "one-var": [2, "never"],
        "one-var-declaration-per-line": [2],
        "operator-assignment": [2],
        "operator-linebreak": [2, "after", {"overrides": {"?": "before", ":": "before", "||": "before", "&&": "before"}}],
        "padded-blocks": [2, "never"],
        "quote-props": [2, "as-needed"],
        "quotes": [2, "single"],
        "require-jsdoc": [0],
        "semi": [2],
        "semi-spacing": [2],
        "sort-keys": [0],
        "sort-vars": [0],
        "space-before-blocks": [2],
        "space-before-function-paren": [2, {"named": "never", "asyncArrow": "always"}],
        "space-in-parens": [2],
        "space-infix-ops": [2],
        "space-unary-ops": [2, {"words": true, "nonwords": false}],
        "spaced-comment": [2],
        "template-tag-spacing": [0],
        "unicode-bom": [0],
        "wrap-regex": [2],
        // ECMAScript 6
        "arrow-body-style": [2],
        "arrow-parens": [2, "as-needed"],
        "arrow-spacing": [2],
        "constructor-super": [1],
        "generator-star-spacing": [2],
        "no-class-assign": [2],
        "no-confusing-arrow": [0],
        "no-const-assign": [2],
        "no-dupe-class-members": [2],
        "no-duplicate-imports": [2],
        "no-new-symbol": [2],
        "no-restricted-imports": [0],
        "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": [2],
        "prefer-const": [2],
        "prefer-destructuring": [2],
        "prefer-numeric-literals": [2],
        "prefer-rest-params": [2],
        "prefer-spread": [2],
        "prefer-template": [2],
        "require-yield": [2],
        "rest-spread-spacing": [2],
        "sort-imports": [0],
        "template-curly-spacing": [2],
        "yield-star-spacing": [0],
        // React
        "react/display-name": [0],
        "react/forbid-component-props": [2],
        "react/forbid-elements": [0],
        "react/forbid-foreign-prop-types": [2],
        "react/forbid-prop-types": [2],
        "react/jsx-boolean-value": [2],
        "react/jsx-closing-bracket-location": [2, "after-props"],
        "react/jsx-curly-spacing": [2, "never"],
        "react/jsx-equals-spacing": [2, "never"],
        "react/jsx-filename-extension": [2, {"extensions": [".js"]}],
        "react/jsx-first-prop-new-line": [2, "multiline"],
        "react/jsx-handler-names": [2],
        "react/jsx-indent-props": [2, 2],
        "react/jsx-indent": [2, 4],
        "react/jsx-key": [2],
        "react/jsx-max-props-per-line": [2, {"maximum": 3}],
        "react/jsx-no-bind": [2, {"ignoreRefs": true, "allowArrowFunctions": true}],
        "react/jsx-no-comment-textnodes": [2],
        "react/jsx-no-duplicate-props": [2],
        "react/jsx-no-literals": [0],
        "react/jsx-no-target-blank": [2],
        "react/jsx-no-undef": [2],
        "react/jsx-pascal-case": [2],
        "react/jsx-sort-props": [0],
        "react/jsx-space-before-closing": [2],
        "react/jsx-tag-spacing": [2, {"closingSlash": "never", "beforeSelfClosing": "always", "afterOpening": "never"}],
        "react/jsx-uses-react": [2],
        "react/jsx-uses-vars": [2],
        "react/jsx-wrap-multilines": [2],
        "react/no-array-index-key": [1],
        "react/no-children-prop": [2],
        "react/no-danger-with-children": [2],
        "react/no-danger": [2],
        "react/no-deprecated": [2],
        "react/no-did-mount-set-state": [2],
        "react/no-did-update-set-state": [2],
        "react/no-direct-mutation-state": [2],
        "react/no-find-dom-node": [2],
        "react/no-is-mounted": [2],
        "react/no-multi-comp": [2],
        "react/no-render-return-value": [2],
        "react/no-set-state": [2],
        "react/no-string-refs": [2],
        "react/no-unescaped-entities": [2],
        "react/no-unknown-property": [2],
        "react/no-unused-prop-types": [2],
        "react/prefer-es6-class": [2],
        "react/prefer-stateless-function": [2],
        "react/prop-types": [0],
        "react/react-in-jsx-scope": [2],
        "react/require-default-props": [0],
        "react/require-optimization": [0],
        "react/require-render-return": [2],
        "react/self-closing-comp": [2],
        "react/sort-comp": [0],
        "react/sort-prop-types": [0],
        "react/style-prop-object": [2],
        "react/void-dom-elements-no-children": [2],
        // Import
        "import/default": [2],
        "import/export": [2],
        "import/extensions": [2],
        "import/first": [2],
        "import/max-dependencies": [0],
        "import/named": [2],
        "import/namespace": [2],
        "import/newline-after-import": [2],
        "import/no-absolute-path": [2],
        "import/no-amd": [1],
        //"import/no-anonymous-default-export": [2, {"allowArrowFunction": true}],
        "import/no-commonjs": [1],
        "import/no-deprecated": [2],
        "import/no-duplicates": [2],
        "import/no-dynamic-require": [2],
        "import/no-extraneous-dependencies": [2, {"devDependencies": true}],
        "import/no-internal-modules": [0],
        "import/no-mutable-exports": [2],
        "import/no-named-as-default-member": [2],
        "import/no-named-as-default": [2],
        "import/no-namespace": [0],
        "import/no-nodejs-modules": [0],
        "import/no-restricted-paths": [0],
        "import/no-unassigned-import": [2],
        "import/no-unresolved": [2],
        "import/no-webpack-loader-syntax": [2],
        "import/order": [2],
        "import/prefer-default-export": [1],
        "import/unambiguous": [2]
    }
}