.eslintrc.json

{
  "env": {
    "browser": false,
    "es6": true,
    "node": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "jest", "unused-imports"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jest/recommended",
    "prettier"
  ],
  "rules": {
    "@typescript-eslint/no-empty-interface": 1,
    "@typescript-eslint/no-unused-vars": "off",
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "varsIgnorePattern": "^_",
        "args": "after-used",
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/ban-types": [
      "error",
      {
        "types": {
          "String": true,
          "Boolean": true,
          "Number": true,
          "Symbol": true,
          "{}": true,
          "Object": true,
          "object": true,
          "Function": false
        },
        "extendDefaults": true
      }
    ]
  }
}