.eslintrc.json

{
  "env": {
    "browser": true,
    "es2020": true,
    "mocha": true
  },
  "extends": [
    "airbnb-base",
    "plugin:import/typescript"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 11,
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "settings": {
    "import/resolver": {
      "node": {
        "extensions": [".ts"]
      }
    }
  },
  "rules": {
    "import/extensions": ["error", "ignorePackages", {
      "ts": "never"
    }]
  },
  "overrides": [
    {
      "files": ["*.ts"],
      "rules": {
        "no-continue": "off",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": ["error"],
        "no-useless-constructor": "off",
        "@typescript-eslint/no-useless-constructor": ["error"],
        "max-len": [ "error", { "code": 120, "comments": 140 } ]
      }
    },
    {
      "files": ["test/**/*.spec.ts", "test/utils/mocha.ts"],
      "rules": {
        "no-unused-expressions": "off"
      }
    }
  ]
}