.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "jest"],
  "env": {
    "commonjs": true,
    "es6": true,
    "node": true,
    "jest/globals": true
  },
  "extends": ["airbnb-base", "airbnb-typescript/base", "prettier"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaVersion": 2018,
    "project": "./tsconfig.json"
  },
  "ignorePatterns": ["node_modules", "**/*.js"],
  "rules": {
    "@typescript-eslint/no-floating-promises": ["error"],
    "no-void": ["error", { "allowAsStatement": true }],
    "import/no-extraneous-dependencies": ["error", { "devDependencies": ["tests/**/*.test.ts"] }],
    "import/prefer-default-export": ["off"],
    "object-curly-newline": ["off"],
    "no-await-in-loop": ["off"],
    "operator-linebreak": ["off"],
    "import/extensions": ["error", "ignorePackages", { "js": "never", "ts": "never" }],
    "no-restricted-syntax": [
      "error",
      {
        "selector": "ForInStatement",
        "message": "for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array."
      },
      {
        "selector": "LabeledStatement",
        "message": "Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand."
      },
      {
        "selector": "WithStatement",
        "message": "`with` is disallowed in strict mode because it makes code impossible to predict and optimize."
      }
    ],
    "import/no-cycle": ["off"]
  },
  "settings": { "import/resolver": { "node": { "extensions": [".js", ".ts"] } } },
  "overrides": [{ "files": ["tests/**/*.ts"], "rules": { "global-require": "off" } }]
}