.eslintrc.json

{
  "parser": "babel-eslint",
  "extends": "google",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "env": {
    "browser": true
  },
  "rules": {
    "no-cond-assign": [
      "error",
      "except-parens"
    ],
    "no-duplicate-case": [
      "error"
    ],
    "accessor-pairs": "error",
    "curly": "error",
    "eqeqeq": [
      "error",
      "smart"
    ],
    "no-alert": "error",
    "no-console": [
      "error",
      {
        "allow": [
          "warn",
          "log"
        ]
      }
    ],
    "no-floating-decimal": "error",
    "no-invalid-this": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-new-func": "error",
    "no-new-wrappers": "error",
    "no-redeclare": "error",
    "no-self-assign": "error",
    "no-self-compare": "error",
    "yoda": [
      "error",
      "never"
    ],
    "array-bracket-spacing": [
      "error",
      "always"
    ],
    "block-spacing": [
      "error",
      "always"
    ],
    "brace-style": [
      "error",
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "camelcase": "error",
    "comma-dangle": [
      "error",
      "never"
    ],
    "comma-style": [
      "error",
      "last"
    ],
    "computed-property-spacing": [
      "error",
      "always"
    ],
    "consistent-this": [
      "error",
      "_this"
    ],
    "eol-last": [
      "error",
      "never"
    ],
    "func-call-spacing": [
      "error",
      "never"
    ],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "key-spacing": [
      "error",
      {
        "beforeColon": false,
        "afterColon": true
      }
    ],
    "linebreak-style": [
      "off"
    ],
    "lines-around-comment": [
      "error",
      {
        "beforeBlockComment": true,
        "afterBlockComment": false,
        "beforeLineComment": false,
        "afterLineComment": false,
        "allowBlockStart": true,
        "allowBlockEnd": false,
        "allowObjectStart": true,
        "allowArrayStart": true
      }
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "new-cap": [
      "error",
      {
        "capIsNewExceptionPattern": "^Phaser.*"
      }
    ],
    "new-parens": "error",
    "no-array-constructor": "error",
    "no-lonely-if": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-plusplus": "off",
    "no-trailing-spaces": [
      "error",
      {
        "skipBlankLines": true,
        "ignoreComments": true
      }
    ],
    "no-underscore-dangle": "off",
    "no-whitespace-before-property": "error",
    "object-curly-newline": [
      "error",
      {
        "multiline": true,
        "minProperties": 0
      }
    ],
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "one-var-declaration-per-line": [
      "error",
      "initializations"
    ],
    "quote-props": [
      "error",
      "as-needed"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "semi": [
      "error",
      "always"
    ],
    "space-before-blocks": "error",
    "space-in-parens": [
      "error",
      "always"
    ],
    "space-infix-ops": [
      "error",
      {
        "int32Hint": true
      }
    ],
    "wrap-regex": "error",
    "spaced-comment": [
      "error",
      "always",
      {
        "block": {
          "balanced": true,
          "exceptions": [
            "*",
            "!"
          ]
        }
      }
    ]
  },
  "globals": {
    "Phaser": true
  },
  "settings": {
    "import/core-modules": [
      "phaser"
    ]
  }
}