.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true
  },
  "extends": [
    "standard"
  ],
  "ignorePatterns": ["node_modules/*"],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "requireConfigFile": false,
    "ecmaVersion": 12,
    "sourceType": "module"
  },
  "rules": {
    "indent": ["error", 4, { "SwitchCase": 1 }],
    "semi": [2, "always"],
    "operator-linebreak": [2, "after", { "overrides": { "?": "before", ":": "before", "&&": "before", "||": "before", "+": "after" } }],
    "no-void": ["error", { "allowAsStatement": true }],
    "no-prototype-builtins": "off",
    "no-undef": "off",
    "no-eval": "warn",
    "no-case-declarations": "off",
    "no-return-assign": "warn",
    "prefer-promise-reject-errors": "warn",
    "no-trailing-spaces": "off",
    "space-unary-ops": [
      2, {
        "words": true,
        "nonwords": false,
        "overrides": {
          "--": true,
          "++": true
        }
      }],
    "no-throw-literal": "off"
  }
}