.eslintrc.json

{
  "env": {
    "browser": true,
    "es2022": true,
    "webextensions": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:import/recommended",
    "plugin:unicorn/recommended"
  ],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaVersion": 2022,
    "sourceType": "module"
  },
  "plugins": [
    "unicorn",
    "unused-imports"
  ],
  "rules": {
    "arrow-body-style": "error",
    "arrow-parens": "error",
    "block-scoped-var": "error",
    "camelcase": [
      "error",
      {
        "properties": "never"
      }
    ],
    "class-methods-use-this": "error",
    "consistent-return": "error",
    "curly": [
      "error",
      "multi-line"
    ],
    "eqeqeq": "error",
    "no-alert": "error",
    "no-confusing-arrow": "error",
    "no-console": "error",
    "no-duplicate-imports": "error",
    "no-else-return": "error",
    "no-implicit-globals": "error",
    "no-unused-vars": "off",
    "no-use-before-define": [
      "error",
      "nofunc"
    ],
    "no-var": "error",
    "unicorn/better-regex": "off",
    "unicorn/numeric-separators-style": "off",
    "unicorn/prefer-optional-catch-binding": "off",
    "unicorn/prefer-spread": "off",
    "unicorn/prefer-top-level-await": "off",
    "unicorn/prevent-abbreviations": "off",
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "error",
      {
        "args": "after-used",
        "argsIgnorePattern": "^_",
        "vars": "all",
        "varsIgnorePattern": "^_"
      }
    ]
  }
}