.eslintrc

{
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "ecmaFeatures": {
      "impliedStrict": true,
      "arrowFunctions": true
    }
  },
  "env": {
    "es6": true,
    "commonjs": true
  },
  "globals": {
    "tabris": false,
    "$": false,
    "JSX": false,
    "localStorage": false,
    "XMLHttpRequest": false,
    "fetch": false,
    "device": false,
    "ImageData": false,
    "Worker": false,
    "onmessage": true,
    "postMessage": false,
    "console": false,
    "global": false,
    "__dirname": false,
    "setTimeout": false,
    "module": false,
    "createImageBitmap": false,
    "require": false,
    "FormData": false
  },
  "rules": {
    "eol-last": "warn",
    "eqeqeq": ["warn", "allow-null"],
    "linebreak-style": ["warn", "unix"],
    "no-trailing-spaces": "warn",
    "no-console": "off",
    "no-var": "warn",
    "prefer-const": "warn",
    "no-use-before-define": "off",
    "prefer-arrow-callback": ["warn", {
      "allowNamedFunctions": true,
      "allowUnboundThis": false
    }]
  }
}