.eslintrc

{
  "extends": "eslint:recommended",
  "env": {
    "browser": true
  },
  "globals": {
    "Drupal": true,
    "drupalSettings": true,
    "drupalTranslations": true,
    "domready": true,
    "jQuery": true,
    "_": true,
    "matchMedia": true,
    "Backbone": true,
    "Modernizr": true,
    "CKEDITOR": true,
    "flexibility": true
  },
  "rules": {
    "array-bracket-spacing": [
      2,
      "never"
    ],
    "block-scoped-var": 2,
    "brace-style": [
      2,
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "comma-dangle": [
      2,
      "never"
    ],
    "comma-spacing": 2,
    "comma-style": [
      2,
      "last"
    ],
    "computed-property-spacing": [
      2,
      "never"
    ],
    "curly": [
      2,
      "all"
    ],
    "eol-last": 2,
    "eqeqeq": [
      2,
      "smart"
    ],
    "guard-for-in": 2,
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1
      }
    ],
    "key-spacing": [
      2,
      {
        "beforeColon": false,
        "afterColon": true
      }
    ],
    "linebreak-style": [
      2,
      "unix"
    ],
    "lines-around-comment": [
      2,
      {
        "beforeBlockComment": true,
        "afterBlockComment": false
      }
    ],
    "new-parens": 2,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-catch-shadow": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-parens": [
      2,
      "functions"
    ],
    no-mutable-exports: 0,
    "no-implied-eval": 2,
    "no-iterator": 2,
    "no-label-var": 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-nested-ternary": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-octal-escape": 2,
    "no-process-exit": 2,
    "no-proto": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-sequences": 2,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 1,
    "no-undef-init": 2,
    "no-undefined": 2,
    "no-unused-expressions": 2,
    "no-unused-vars": [
      2,
      {
        "vars": "all",
        "args": "none"
      }
    ],
    "no-with": 2,
    "object-curly-spacing": [
      2,
      "never"
    ],
    "one-var": [
      2,
      "never"
    ],
    "quote-props": [
      2,
      "consistent-as-needed"
    ],
    "semi": [
      2,
      "always"
    ],
    "semi-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "keyword-spacing": [
      2,
      {
        "after": true,
        "before": true
      }
    ],
    "space-before-blocks": [
      2,
      "always"
    ],
    "space-before-function-paren": [
      2,
      {
        "anonymous": "always",
        "named": "never"
      }
    ],
    "space-in-parens": [
      2,
      "never"
    ],
    "space-infix-ops": 2,
    "space-unary-ops": [
      2,
      {
        "words": true,
        "nonwords": false
      }
    ],
    "spaced-comment": [
      2,
      "always"
    ],
    "strict": 2,
    "yoda": [
      2,
      "never"
    ],
    "max-nested-callbacks": [
      1,
      3
    ],
    "valid-jsdoc": [
      1,
      {
        "prefer": {
          "returns": "return",
          "property": "prop"
        },
        "requireReturn": false
      }
    ]
  }
}