.eslintrc.json

{
  "extends": [
    "airbnb-typescript/base",
    "plugin:@typescript-eslint/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json"
  },
  "env": {
    "browser": false,
    "node": true,
    "es6": true,
    "jest": true
  },
  "rules": {
    "no-console": "off",
    "comma-dangle": "off",
    "linebreak-style": "off",
    "no-underscore-dangle": "off",
    "max-len": ["error", { "code": 200 }],
    "indent": ["error", 2, { "SwitchCase": 1 }],

    "import/extensions": "off",
    "import/prefer-default-export": "off",

    // Bugfix https://stackoverflow.com/questions/63961803/eslint-says-all-enums-in-typescript-app-are-already-declared-in-the-upper-scope
    "no-shadow": "off",
    "@typescript-eslint/no-shadow": ["error"],
    "@typescript-eslint/no-empty-interface": "off",
    "no-unused-vars": ["error", { "vars": "all", "args": "none" }],

    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/ban-ts-ignore": "off",
    "@typescript-eslint/no-use-before-define": "off"
  },
  "settings": {
    "import/resolver": {
      "node": {
        "moduleDirectory": [
          "node_modules",
          "src/"
        ],
        "extensions": [".js", ".ts"]
      } // this loads <rootdir>/tsconfig.json to eslint
    }
  },
  "plugins": [
    "@typescript-eslint",
    "import"
  ]
}