.eslintrc.json

{
  "env": {
    "es6": true,
    "browser": true,
    "mocha": true,
    "node": true
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 7,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "experimentalObjectRestSpread": true
    }
  },
  "globals": {
    "React": true
  },
  "plugins": [
    "babel",
    "react"
  ],
  "extends": [
    "eslint:recommended"
  ],
  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "arrow-spacing": "error",
    "arrow-parens": "error",
    "brace-style": "error",
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": ["error", {"before": false, "after": true}],
    "comma-style": ["error", "last"],
    "computed-property-spacing": ["error", "never"],
    "consistent-this": ["error", "self"],
    "consistent-return": "off",
    "dot-notation": "error",
    "dot-location": ["error", "property"],
    "eqeqeq": ["error", "smart"],
    "eol-last": "error",
    "indent": ["error", 2, {"SwitchCase": 1}],
    "id-blacklist": ["error", "e"],
    "jsx-quotes": ["error", "prefer-double"],
    "keyword-spacing": "error",
    "key-spacing": "error",
    "max-len": ["error", 120, 4],
    "new-cap": ["off", {"capIsNew": true, "newIsCap": true}],
    "no-unused-expressions": "error",
    "no-unused-vars": "error",
    "no-shadow": "off",
    "no-spaced-func": "error",
    "no-multiple-empty-lines": "error",
    "no-multi-spaces": "error",
    "no-undef": "error",
    "no-empty-pattern": "error",
    "no-dupe-keys": "error",
    "no-dupe-args": "error",
    "no-duplicate-case": "error",
    "no-cond-assign": "error",
    "no-extra-semi": "error",
    "no-extra-boolean-cast": "error",
    "no-trailing-spaces": "error",
    "no-underscore-dangle": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable": "error",
    "no-var": "error",
    "one-var": ["error", "never"],
    "operator-linebreak": ["error", "after"],
    "padded-blocks": ["error", "never"],
    "prefer-arrow-callback": "off",
    "prefer-const": "error",
    "prefer-template": "error",
    "quotes": ["error", "single", "avoid-escape"],
    "semi": ["error", "always"],
    "space-before-blocks": ["error", "always"],
    "space-before-function-paren": ["error", "never"],
    "space-infix-ops": "error",
    "space-unary-ops": ["error", {"words": true, "nonwords": false}],
    "spaced-comment": "error",
    "yoda": "error",
    "babel/object-curly-spacing": ["error", "never"],
    "babel/generator-star-spacing": "error",
    "babel/array-bracket-spacing": "error",
    "babel/arrow-parens": "error",
    "babel/no-await-in-loop": "error",
    "babel/func-params-comma-dangle": "error",
    "babel/flow-object-type": "error",
    "react/display-name": "error",
    "react/jsx-boolean-value": ["error", "always"],
    "react/jsx-closing-bracket-location": "error",
    "react/jsx-curly-spacing": "error",
    "react/jsx-equals-spacing": "error",
    "react/jsx-filename-extension": ["error", {"extensions": [".js"]}],
    "react/jsx-first-prop-new-line": ["error", "multiline"],
    "react/jsx-handler-names": "error",
    "react/jsx-indent": ["error", 2],
    "react/jsx-indent-props": ["error", 2],
    "react/jsx-max-props-per-line": ["error", {"maximum": 3}],
    "react/jsx-no-comment-textnodes": "error",
    "react/jsx-no-duplicate-props": "error",
    "react/jsx-no-undef": "error",
    "react/jsx-pascal-case": "error",
    "react/jsx-space-before-closing": "error",
    "react/jsx-uses-react": "error",
    "react/jsx-uses-vars": "error",
    "react/jsx-wrap-multilines": "error",
    "react/no-danger": "error",
    "react/no-deprecated": "error",
    "react/no-did-mount-set-state": "error",
    "react/no-did-update-set-state": "error",
    "react/no-direct-mutation-state": "error",
    "react/no-multi-comp": "off",
    "react/no-render-return-value": "error",
    "react/no-is-mounted": "error",
    "react/no-unknown-property": "error",
    "react/prefer-arrow-callback": "off",
    "react/prefer-es6-class": "error",
    "react/prop-types": "error",
    "react/react-in-jsx-scope": "error",
    "react/require-extension": "error",
    "react/require-render-return": "error",
    "react/self-closing-comp": "error",
    "react/sort-comp": "error",
    "react/sort-prop-types": "error",
    "react/no-string-refs": "warn",

    "strict": "off",
    "no-case-declarations": "off",
    "react/jsx-key": "off",
    "react/jsx-no-bind": "off",
    "react/jsx-no-literals": "off",
    "react/jsx-no-target-blank": "off",
    "react/jsx-sort-props": "off",
    "react/no-set-state": "off",
    "react/forbid-prop-types": "off",
    "react/prefer-stateless-function": "off",
    "react/require-optimization": "off",
    "babel/object-shorthand": "off",
    "babel/new-cap": "off"
  }
}