.eslintrc.json

{
  "env": {
    "commonjs": true,
    "es2021": true
  },
  "globals": {
    "Express": "writable"
  },
  "extends": [
    "airbnb-typescript/base"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 12,
    "project": [
      "./tsconfig.eslint.json"
    ],
    "createDefaultProgram": true,
    "warnOnUnsupportedTypeScriptVersion": false,
    "EXPERIMENTAL_useSourceOfProjectReferenceRedirect": true
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "settings": {
    "import/extensions": [
      ".js",
      ".ts"
    ]
  },
  "rules": {
    "import/no-extraneous-dependencies": "off",
    "@typescript-eslint/lines-between-class-members": "off",
    "@typescript-eslint/no-empty-function": [
      "error",
      {
        "allow": [
          "constructors"
        ]
      }
    ],
    "@typescript-eslint/no-useless-constructor": "off",
    "import/prefer-default-export": "off",
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "js": "never",
        "ts": "never"
      }
    ],
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "vars": "all",
        "args": "none",
        "ignoreRestSiblings": false
      }
    ],
    "no-underscore-dangle": [
      "error",
      {
        "allow": [
          "_id"
        ]
      }
    ],
    "max-classes-per-file": "off",
    "no-param-reassign": "off",
    "import/no-unresolved": "off",
    "import/export": "off",
    "class-methods-use-this": "off",
    "max-len": [
      "error",
      120,
      4,
      {
        "ignoreComments": true,
        "ignoreUrls": true,
        "ignorePattern": "^\\s*var\\s.+=\\s*(require\\s*\\()|(/)"
      }
    ]
  }
}