.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "tsconfig.json",
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint/eslint-plugin"],
  "extends": [
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "root": true,
  "env": {
    "node": true,
    "jest": true
  },
  "rules": {
    "max-len": ["error", 150],
    "quotes": ["error", "single"],
    "indent": ["error", 2, {
      "MemberExpression": 1,
      "SwitchCase": 1
    }],
    "@typescript-eslint/typedef": ["error", {
      "memberVariableDeclaration": true,
      "propertyDeclaration": true,
      "variableDeclaration": false,
      "variableDeclarationIgnoreFunction": true,
      "arrowParameter": false,
      "parameter": true
    }],
    "@typescript-eslint/ban-types": "off",
    "@typescript-eslint/no-var-requires": "warn",
    "@typescript-eslint/explicit-function-return-type": "error",
    "@typescript-eslint/no-unused-vars": "error",
    "@typescript-eslint/no-empty-interface": "off",
    "@typescript-eslint/no-inferrable-types": "off",
    "@typescript-eslint/semi": ["error", "always"]
  }
}