tsconfig.json

{
  // For general development and intellisense.
  // Scans the entire source code against the current TS version
  // we are using during development.
  "extends": "./tsconfig.test.json",
  "compilerOptions": {
    "allowJs": true,
    "checkJs": true,
    "rootDir": "."
  },
  "include": ["."]
}