.eslintrc

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended"
  ],
  "parserOptions": {
    "parser": "babel-eslint",
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "rules": {
    "no-console": "off",
    "no-loop-func": [
      "error"
    ],
    "eqeqeq": [
      "error",
      "always"
    ],
    "strict": [
      "error",
      "global"
    ],
    "max-nested-callbacks": [
      "error",
      {
        "max": 7
      }
    ],
    "new-parens": [
      "error"
    ],
    "no-unneeded-ternary": [
      "error"
    ],
    "no-whitespace-before-property": [
      "error"
    ],
    "operator-assignment": [
      "error",
      "always"
    ],
    "space-in-parens": [
      "error",
      "never"
    ],
    "space-infix-ops": [
      "error"
    ],
    "space-unary-ops": [
      "error",
      {
        "words": true,
        "nonwords": false,
        "overrides": {
          "typeof": false
        }
      }
    ],
    "no-unreachable": [
      "error"
    ],
    "no-global-assign": [
      "error"
    ],
    "no-self-compare": [
      "error"
    ],
    "no-unmodified-loop-condition": [
      "error"
    ],
    "no-constant-condition": [
      "error",
      {
        "checkLoops": false
      }
    ],
    "no-useless-concat": [
      "error"
    ],
    "no-useless-escape": [
      "error"
    ],
    "no-shadow-restricted-names": [
      "error"
    ],
    "no-use-before-define": [
      "error",
      {
        "functions": false
      }
    ],
    "arrow-body-style": [
      "error",
      "as-needed"
    ],
    "arrow-spacing": [
      "error"
    ],
    "no-confusing-arrow": [
      "error",
      {
        "allowParens": true
      }
    ],
    "no-useless-computed-key": [
      "error"
    ],
    "no-useless-rename": [
      "error"
    ],
    "object-shorthand": [
      "error",
      "always"
    ],
    "prefer-arrow-callback": [
      "error"
    ],
    "prefer-numeric-literals": [
      "error"
    ],
    "template-curly-spacing": [
      "error",
      "never"
    ],
    //!-google
    "no-cond-assign": "off",
    "no-irregular-whitespace": "error",
    "no-unexpected-multiline": "error",
    "valid-jsdoc": [
      "error",
      {
        "requireParamDescription": false,
        "requireReturnDescription": false,
        "requireReturn": false,
        "prefer": {
          "returns": "return"
        }
      }
    ],
    "curly": [
      "error",
      "multi-line"
    ],
    "guard-for-in": "error",
    "no-caller": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-invalid-this": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-new-wrappers": "error",
    "no-throw-literal": "error",
    "no-with": "error",
    "prefer-promise-reject-errors": "error",
    "no-unused-vars": [
      "error",
      {
        "args": "none"
      }
    ],
    "array-bracket-newline": "off",
    "array-bracket-spacing": [
      "error",
      "never"
    ],
    "array-element-newline": "off",
    "block-spacing": [
      "error",
      "never"
    ],
    "brace-style": "error",
    "camelcase": [
      "error",
      {
        "properties": "never"
      }
    ],
    "comma-dangle": [
      "error",
      "always-multiline"
    ],
    "comma-spacing": "error",
    "comma-style": "error",
    "computed-property-spacing": "error",
    "eol-last": "error",
    "func-call-spacing": "error",
    "indent": [
      "error",
      2,
      {
        "CallExpression": {
          "arguments": 1
        },
        "FunctionDeclaration": {
          "body": 1,
          "parameters": 2
        },
        "FunctionExpression": {
          "body": 1,
          "parameters": 2
        },
        "MemberExpression": 1,
        "ObjectExpression": 1,
        "SwitchCase": 1,
        "ignoredNodes": [
          "ConditionalExpression"
        ]
      }
    ],
    "key-spacing": "error",
    "keyword-spacing": "error",
    "max-len": [
      "error",
      {
        "code": 80,
        "tabWidth": 2,
        "ignoreUrls": true,
        "ignorePattern": "goog.(module|require)"
      }
    ],
    "new-cap": "error",
    "no-array-constructor": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-multiple-empty-lines": [
      "error",
      {
        "max": 2
      }
    ],
    "no-new-object": "error",
    "no-tabs": "error",
    "no-trailing-spaces": "error",
    "object-curly-spacing": "error",
    "one-var": [
      "error",
      {
        "var": "never",
        "let": "never",
        "const": "never"
      }
    ],
    "operator-linebreak": [
      "error",
      "after"
    ],
    "padded-blocks": [
      "error",
      "never"
    ],
    "quote-props": [
      "error",
      "consistent"
    ],
    "quotes": [
      "error",
      "single",
      {
        "allowTemplateLiterals": true
      }
    ],
    "require-jsdoc": [
      "error",
      {
        "require": {
          "FunctionDeclaration": true,
          "MethodDefinition": false,
          "ClassDeclaration": false
        }
      }
    ],
    "semi": "error",
    "semi-spacing": "error",
    "space-before-blocks": "error",
    "space-before-function-paren": [
      "error",
      {
        "asyncArrow": "always",
        "anonymous": "never",
        "named": "never"
      }
    ],
    "spaced-comment": [
      "error",
      "always"
    ],
    "switch-colon-spacing": "error",
    "constructor-super": "error",
    "generator-star-spacing": [
      "error",
      "after"
    ],
    "no-new-symbol": "error",
    "no-this-before-super": "error",
    "no-var": "error",
    "prefer-const": [
      "error",
      {
        "destructuring": "all"
      }
    ],
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "rest-spread-spacing": "error",
    "yield-star-spacing": [
      "error",
      "after"
    ]
  }
}