Class RetrievingInjector

packages/core/src/di/injector_compatibility.ts:49–68

 * This is used to allow the `inject` function to be used with the new primitives-based DI system.
 */
export class RetrievingInjector implements PrimitivesInjector {
  constructor(readonly injector: Injector) {}
  retrieve<T>(token: PrimitivesInjectionToken<T>, options: unknown): T | NotFound {
    const flags: InternalInjectFlags =
      convertToBitFlags(options as InjectOptions | undefined) || InternalInjectFlags.Default;
    try {
      return (this.injector as BackwardsCompatibleInjector).get(
        token as unknown as InjectionToken<T>,
        // When a dependency is requested with an optional flag, DI returns null as the default value.
        (flags & InternalInjectFlags.Optional ? null : THROW_IF_NOT_FOUND) as T,
        flags,
      ) as T;
    } catch (e: any) {
      if (isNotFound(e)) {
        return e;
      }
      throw e;
    }
  }
}

export const NG_TEMP_TOKEN_PATH = 'ngTempTokenPath';
const NG_TOKEN_PATH = 'ngTokenPath';