.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "ignorePatterns": ["**/*.d.ts"],
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module"
  },
  "env": {
    "node": true,
    "jest": true,
    "commonjs": true,
    "mongo": true
  },
  "rules": {
    "no-console": 1,
    "indent": ["error", 2],
    "global-require": ["error"],
    "handle-callback-err": ["error"],
    "quotes": ["error", "single", {
      "allowTemplateLiterals": true
    }],
    "no-template-curly-in-string": ["error"],
    "no-restricted-syntax": [
      "error",
      {
        "selector": "TemplateLiteral:not([quasis.length > 1])",
        "message": "Template literals with a single expression should use string concatenation instead"
      }
    ]
  }
}