Function hasInjections

packages/context/src/inject.ts:787–797

(cls: Constructor<unknown>)

 * @param cls - Class with possible `@inject` decorations
 */
export function hasInjections(cls: Constructor<unknown>): boolean {
  return (
    MetadataInspector.getClassMetadata(INJECT_PARAMETERS_KEY, cls) != null ||
    Reflector.getMetadata(INJECT_PARAMETERS_KEY.toString(), cls.prototype) !=
      null ||
    MetadataInspector.getAllPropertyMetadata(
      INJECT_PROPERTIES_KEY,
      cls.prototype,
    ) != null
  );
}