.eslintrc.json

{
  "parserOptions": {
    "ecmaVersion": 11,
    "sourceType": "module"
  },
  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
  "env": {
    "browser": true,
    "jest": false,
    "es6": true,
    "node": true,
    "jquery": true,
    "greasemonkey": true,
    "commonjs": true,
    "es2020": true
  },
  "rules": {
    "no-console": "off",
    "lines-between-class-members": ["error", "always"],
    "no-template-curly-in-string": 1,
    "block-scoped-var": 1,
    "class-methods-use-this": "off",
    "consistent-return": 1,
    "default-case": 1,
    "no-lone-blocks": 1,
    "no-magic-numbers": "off",
    "no-new": 1,
    "no-implied-eval": 1,
    "no-invalid-this": 1,
    "no-return-assign": 1,
    "no-return-await": 1,
    "no-useless-concat": 1,
    "require-await": 1,
    "no-caller": 1,
    "no-extend-native": 1,
    "no-implicit-globals": 1,
    "no-iterator": 1,
    "no-labels": 1,
    "no-new-func": 1,
    "no-new-wrappers": 1,
    "no-self-compare": 1,
    "no-throw-literal": 1,
    "no-unused-expressions": 1,
    "no-useless-concat": 1,
    "no-void": 1,
    "no-sequences": 1,
    "radix": 1
  },
  "globals": {
    "L": "readonly",
    "PLAYER": "readonly",
    "android": "readonly"
  }
}