.eslintrc

{
  "parser": "babel-eslint",
  "rules": {
    // best practices
    "curly": [2, "multi-line"],
    "dot-notation": 2,
    "dot-location": [2, "property"],
    "eqeqeq": [2, "allow-null"],
    "guard-for-in": 2,
    "no-caller": 2,
    "no-div-regex": 2,
    "no-else-return": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 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-spaces": 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-param-reassign": [2, { "props": true }],
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-throw-literal": 2,
    "no-unused-expressions": [2, { "allowShortCircuit": true, "allowTernary": true }],
    "no-useless-call": 2,
    "no-useless-concat": 2,
    "no-void": 2,
    "no-with": 2,
    "radix": 2,
    "wrap-iife": [2, "any"],
    "yoda": 2,

    // variables
    "no-catch-shadow": 2,
    "no-delete-var": 2,
    "no-label-var": 2,
    "no-shadow-restricted-names": 2,
    "no-undef-init": 2,
    "no-undef": 2,
    "no-undefined": 2,
    "no-unused-vars": 2,
    "no-use-before-define": 2,

    // node.js
    "no-path-concat": 2,

    // style
    "array-bracket-spacing": [2, "never"],
    "block-spacing": [2, "always"],
    "brace-style": [2, "1tbs"],
    "camelcase": 2,
    "comma-spacing": [2, { "before": false, "after": true }],
    "comma-style": [2, "last"],
    "computed-property-spacing": [2, "never"],
    "consistent-this": [2, "self"],
    "eol-last": 2,
    "indent": [2, 2, { "SwitchCase": 1 }],
    "jsx-quotes": [2, "prefer-double"],
    "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
    "lines-around-comment": [2, { "beforeBlockComment": true }],
    "linebreak-style": [2, "unix"],
    "max-nested-callbacks": [2, 3],
    "new-cap": 0,
    "new-parens": 2,
    "newline-after-var": [2, "always"],
    "no-array-constructor": 2,
    "no-continue": 2,
    "no-inline-comments": 2,
    "no-lonely-if": 2,
    "no-multiple-empty-lines": 2,
    "no-negated-condition": 2,
    "no-new-object": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-underscore-dangle": 2,
    "no-unneeded-ternary": 2,
    "object-curly-spacing": 0,
    "one-var": [2, "never"],
    "operator-assignment": [2, "always"],
    "operator-linebreak": [2, "after"],
    "quote-props": [2, "as-needed"],
    "quotes": [2, "single"],
    "semi-spacing": [2, { "before": false, "after": true }],
    "semi": [2, "always"],
    "space-after-keywords": 2,
    "space-before-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,
    "spaced-comment": 2,

    // es6
    "arrow-parens": 0,
    "arrow-spacing": 2,
    "constructor-super": 2,
    "generator-star-spacing": 0,
    "no-class-assign": 2,
    "no-const-assign": 2,
    "no-dupe-class-members": 2,
    "no-this-before-super": 2,
    "no-var": 2,
    "object-shorthand": 0,
    "prefer-arrow-callback": 2,
    "prefer-const": 2,
    "prefer-spread": 2,
    "prefer-template": 2,
    "require-yield": 2,

    // legacy
    "max-depth": [2, 3],
    "max-len": [2, 80],
    "max-params": [2, 3],
    "max-statements": [2, 40],
    "no-bitwise": 2,

    // react
    "react/jsx-boolean-value": 2,
    "react/jsx-closing-bracket-location": 2,
    "react/jsx-curly-spacing": 2,
    "react/jsx-indent-props": [2, 2],
    "react/jsx-no-duplicate-props": 2,
    "react/jsx-no-undef": 2,
    "react/jsx-uses-react": 2,
    "react/jsx-uses-vars": 2,
    "react/no-danger": 2,
    "react/no-did-mount-set-state": [2, "allow-in-func"],
    "react/no-did-update-set-state": 2,
    "react/no-direct-mutation-state": 2,
    "react/no-unknown-property": 2,
    "react/react-in-jsx-scope": 2,
    "react/self-closing-comp": 2,
    "react/sort-comp": [2, { order: ["lifecycle", "render", "everything-else"] }],
    "react/wrap-multilines": 2,

    // babel
    "babel/arrow-parens": [2, "as-needed"],
    "babel/generator-star-spacing": [2, {"before": false, "after": true}],
    "babel/new-cap": 2,
    "babel/object-curly-spacing": [2, "always"],
    "babel/object-shorthand": 2
  },
  "env": {
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "ecmaFeatures": {
    "jsx": true,
    "modules": true,
    "experimentalObjectRestSpread": true
  },
  "plugins": [
    "react",
    "babel"
  ]
}