.eslintrc

{
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "node": true,
        "worker": true,
        "es6": true
    },
    "globals": {},
    "plugins": [
        "babel",
        "react"
    ],
    "ecmaFeatures": {
        // Explicitly enable to provide parser support
        "arrowFunctions": true,
        "binaryLiterals": true,
        "blockBindings": true,
        "classes": true,
        "defaultParams": true,
        "destructuring": true,
        "forOf": true,
        "generators": true,
        "modules": true,
        "objectLiteralComputedProperties": true,
        "objectLiteralDuplicateProperties": true,
        "objectLiteralShorthandMethods": true,
        "objectLiteralShorthandProperties": true,
        "octalLiterals": true,
        "regexUFlag": true,
        "regexYFlag": true,
        "restParams": true,
        "spread": true,
        "superInFunctions": true,
        "templateStrings": true,
        "unicodeCodePointEscapes": true,
        "globalReturn": true,
        "jsx": true,
        "experimentalObjectRestSpread": true
    },
    "rules": {
        // Possible Errors
        "comma-dangle": [2, "never"],
        "no-cond-assign": [2, "except-parens"],
        "no-console": [1],
        "no-constant-condition": [2],
        "no-debugger": [1],
        "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": [2, "functions"],
        "no-extra-semi": [2],
        "no-func-assign": [2],
        "no-inner-declarations": [2, "functions"],
        "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": [2],

        // Best Practices
        "block-scoped-var": [2],
        "curly": [2, "all"],
        "dot-notation": [
            2,
            {
                "allowKeywords": true,
                "allowPattern": "^[a-z]+((_|\\-).*?[a-z]+)+$"
            }
        ],
        "dot-location": [2, "property"],
        "eqeqeq": [2],
        "guard-for-in": [2],
        "no-alert": [2],
        "no-caller": [2],
        "no-div-regex": [2],
        "no-else-return": [2],
        "no-empty-label": [2],
        "no-eq-null": [2],
        "no-eval": [2],
        "no-extend-native": [
            2,
            {
                "exceptions": []
            }
        ],
        "no-extra-bind": [2],
        "no-fallthrough": [2],
        "no-floating-decimal": [2],
        "no-implicit-coercion": [2],
        "no-implied-eval": [2],
        "no-invalid-this": [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-func": [2],
        "no-new-wrappers": [2],
        "no-new": [2],
        "no-octal-escape": [2],
        "no-octal": [2],
        "no-param-reassign": [2, { "props": false }],
        "no-process-env": [2],
        "no-proto": [2],
        "no-redeclare": [2, { "builtinGlobals": true } ],
        "no-return-assign": [2],
        "no-script-url": [2],
        "no-self-compare": [2],
        "no-sequences": [2],
        "no-throw-literal": [2],
        "no-unused-expressions": [2],
        "no-useless-call": [2],
        "no-useless-concat": [2],
        "no-void": [2],
        "no-with": [2],
        "radix": [2],
        "vars-on-top": [2],
        "wrap-iife": [2, "inside"],
        "yoda": [2],

        // Strict Mode
        "strict": [2, "never"],

        // Variables
        "no-catch-shadow": [2],
        "no-delete-var": [2],
        "no-shadow-restricted-names": [2],
        "no-shadow": [2],
        "no-undef-init": [2],
        "no-undef": [2],
        "no-undefined": [2],
        "no-unused-vars": [2, {
            "vars": "local",
            "args": "after-used"
        }],
        "no-use-before-define": [2],

        // Stylistic Issues
        "array-bracket-spacing": [2, "always"],
        "block-spacing": [2, "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],
        "id-length": [2, {"min": 2, "properties": "always", "exceptions": ["x", "y", "z"]}],
        "indent": [
            2,
            4,
            {
                "VariableDeclarator": {
                    "let": 1,
                    "var": 1,
                    "const": 1
                }
            }
        ],

        "lines-around-comment": [
            2,
            {
                "beforeBlockComment": true,
                "afterBlockComment": false,
                "beforeLineComment": false,
                "afterLineComment": false,
                "allowBlockStart": true,
                "allowBlockEnd": true
            }
        ],
        "linebreak-style": [2, "unix"],
        "new-cap": [
            2,
            {
                "newIsCap": true,
                "capIsNew": true,
                "newIsCapExceptions": [
                    "constructor"
                ],
                "capIsNewExceptions": [
                    // Defaults (like Primitives' names) still applied
                ]
            }
        ],
        "new-parens": [2],
        "newline-after-var": [2, "always"],
        "no-array-constructor": [2],
        "no-lonely-if": [2],
        "no-mixed-spaces-and-tabs": [2],
        "no-multiple-empty-lines": [2, {"max": 2}],
        "no-nested-ternary": [2],
        "no-spaced-func": [2],
        "no-trailing-spaces": [2, {"skipBlankLines": false}],
        "no-unneeded-ternary": [2],
        "one-var": [2, "never"],
        "operator-linebreak": [2, "after"],
        "padded-blocks": [2, "never"],
        "quote-props": [2, "as-needed"],
        "semi-spacing": [2, {"before": false, "after": true}],
        "semi": [2, "always"],
        "space-after-keywords": [2],
        "space-before-blocks": [2],
        "space-before-function-paren": [2, "never"],
        "space-in-parens": [2, "never"],
        "space-infix-ops": [2],
        "space-return-throw-case": [2],
        "space-unary-ops": [2, { "words": true, "nonwords": false }],
        "spaced-comment": [2, "always", { "exceptions": ["*"] }],
        "wrap-regex": [2],

        // ECMAScript 6
        "arrow-spacing": [2, { "before": true, "after": true }],
        "constructor-super": [2],
        "no-class-assign": [2],
        "no-const-assign": [2],
        "no-dupe-class-members": [2],
        "no-this-before-super": [2],
        "no-var": [2],
        //"object-shorthand": [2],
        "prefer-arrow-callback": [2],
        "prefer-const": [2],
        "prefer-spread": [2],
        "require-yield": [2],

        // Babel
        "babel/generator-star-spacing": [2],
        "babel/object-shorthand": [2],

        // React plugin
        "react/display-name": [2],
        "react/jsx-boolean-value": [2, "always"],
        "react/jsx-closing-bracket-location": [2, { location: "tag-aligned" }],
        "react/jsx-indent-props": [2, 4],
        "react/jsx-max-props-per-line": [2, { "maximum": 10 }],
        "react/jsx-no-duplicate-props": [2, { "ignoreCase": false }],
        "react/jsx-no-undef": [2],
        "react/jsx-uses-react": [2],
        "react/jsx-uses-vars": [2],
        "react/no-did-mount-set-state": [2, "allow-in-func"],
        "react/no-did-update-set-state": [2],
        "react/no-multi-comp": [2],
        "react/no-unknown-property": [2],
        "react/prop-types": [2],
        "react/react-in-jsx-scope": [2],
        "react/self-closing-comp": [2],
        "react/sort-comp": [2],
        "react/wrap-multilines": [2]
    }
}