Method retrieve

packages/core/src/di/r3_injector.ts:246–262

(token: PrimitivesInjectionToken<T>, options?: unknown)

  }

  retrieve<T>(token: PrimitivesInjectionToken<T>, options?: unknown): T | NotFound {
    const flags: InternalInjectFlags =
      convertToBitFlags(options as InjectOptions | undefined) || InternalInjectFlags.Default;
    try {
      return (this 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.
        THROW_IF_NOT_FOUND as T,
        flags,
      );
    } catch (e: any) {
      if (isNotFound(e)) {
        return e;
      }
      throw e;
    }
  }

  /**
   * Destroy the injector and release references to every instance or provider associated with it.