Method hydrate

packages/core/src/di/r3_injector.ts:524–549

(token: ProviderToken<T>, record: Record<T>, flags: InternalInjectFlags)

  }

  private hydrate<T>(token: ProviderToken<T>, record: Record<T>, flags: InternalInjectFlags): T {
    const prevConsumer = setActiveConsumer(null);
    try {
      if (record.value === CIRCULAR) {
        throw cyclicDependencyError(ngDevMode ? stringify(token) : '');
      } else if (record.value === NOT_YET) {
        record.value = CIRCULAR;

        if (ngDevMode) {
          runInInjectorProfilerContext(this, token as Type<T>, () => {
            emitInjectorToCreateInstanceEvent(token);
            record.value = record.factory!(undefined, flags);
            emitInstanceCreatedByInjectorEvent(record.value);
          });
        } else {
          record.value = record.factory!(undefined, flags);
        }
      }
      if (typeof record.value === 'object' && record.value && hasOnDestroy(record.value)) {
        this._ngOnDestroyHooks.add(record.value);
      }
      return record.value as T;
    } finally {
      setActiveConsumer(prevConsumer);
    }
  }

  private injectableDefInScope(def: ɵɵInjectableDeclaration<any>): boolean {
    if (!def.providedIn) {