.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module"
  },
  "plugins": [
    "mocha",
    "@typescript-eslint"
  ],
  "env": {
    "mocha": true,
    "node": true
  },
  "extends": [
    "airbnb"
  ],
  "rules": {
    "class-methods-use-this": "off",
    "import/no-cycle": "off",
    "import/no-extraneous-dependencies": ["error", { "devDependencies": ["packages/**/test/**/*_spec.ts"] }],
    "mocha/no-exclusive-tests": "error",
    "no-await-in-loop": "off",
    "no-param-reassign": "off",
    "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."
      }
    ],
    "no-unused-vars": "off",
    "@typescript-eslint/no-this-alias": ["error", {
      "allowDestructuring": true
    }],
    "@typescript-eslint/no-unused-vars": ["error", {
      "args": "after-used",
      "argsIgnorePattern": "^_",
      "ignoreRestSiblings": true,
      "vars": "all"
    }]
  },
  "overrides": [
    {
      "files": ["packages/*/*/test/**/*_spec*.ts"],
      "rules": {
        "global-require": "off",
        "import/no-dynamic-require": "off"
      }
    }
  ],
  "settings": {
    "import/extensions": [
      ".js",
      ".ts"
    ],
    "import/parsers": {
      "@typescript-eslint/parser": [".ts"]
    },
    "import/resolver": {
      "node": {
        "extensions": [".js", ".json", ".ts"]
      }
    }
  }
}