.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true
  },

  "plugins": [ "react" ],

  "parser": "babel-eslint",

  "parserOptions": {
    "sourceType": "module",

    "ecmaFeatures": {
      "jsx": true
    }
  },

  "rules": {
    "comma-dangle": 0,
    "indent": ["error", 2, { "SwitchCase": 2 }],
    "space-before-function-paren": ["error", {
      "anonymous": "always",
      "named": "ignore",
      "asyncArrow": "ignore"
    }],
    "arrow-body-style": 0,
    "array-bracket-spacing": ["warn", "always"],
    "space-before-blocks": ["error", "always"],
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    "object-curly-spacing": ["warn", "always"],
    "one-var-declaration-per-line": 0,
    "one-var": 0,
    "no-unused-expressions": 0,
    "no-trailing-spaces": "error",
    "no-case-declarations": 0,
    "arrow-parens": 0,
    "import/no-named-as-default": 0,
    "no-const-assign": "error",
    "no-this-before-super": "error",
    "no-undef": "error",
    "no-unreachable": "warn",
    "no-unused-vars": "error",
    "constructor-super": "warn",
    "valid-typeof": "warn",
    "no-param-reassign": 0,
    "func-names": 0,
    "no-underscore-dangle": 0,
    "no-return-assign": 0,
    "max-len": [2, 160],
    "new-cap": 0,
    "guard-for-in": 0,
    "no-restricted-syntax": 0,
    "consistent-return": 0,
    "radix": 0,
    "camelcase": 0,
    "no-useless-escape": 0,
    "no-plusplus": 0,
    "no-shadow": 0,
    "no-else-return": 0,
    "no-use-before-define": 0,
    "no-continue": 0,
    "no-loop-func": 0,
    "no-fallthrough": 0,
    "no-nested-ternary": 0,
    "default-case": 0,
    "prefer-spread": 0,
    "template-curly-spacing": [ 2, "always" ]
  }
}