Method insertProvider

packages/core/scanner.ts:453–500

(provider: Provider, token: string)

  }

  public insertProvider(provider: Provider, token: string) {
    const isCustomProvider = this.isCustomProvider(provider);
    if (!isCustomProvider) {
      return this.container.addProvider(provider, token);
    }
    const applyProvidersMap = this.getApplyProvidersMap();
    const providersKeys = Object.keys(applyProvidersMap);
    const type = provider.provide;

    if (!providersKeys.includes(type as string)) {
      return this.container.addProvider(provider as any, token);
    }
    const uuid = UuidFactory.get(type.toString());
    const providerToken = `${type as string} (UUID: ${uuid})`;

    let scope = (provider as ClassProvider | FactoryProvider).scope;
    if (isNil(scope) && (provider as ClassProvider).useClass) {
      scope = getClassScope((provider as ClassProvider).useClass);
    }
    this.applicationProvidersApplyMap.push({
      type,
      moduleKey: token,
      providerKey: providerToken,
      scope,
    });

    const newProvider = {
      ...provider,
      provide: providerToken,
      scope,
    } as Provider;

    const enhancerSubtype =
      ENHANCER_TOKEN_TO_SUBTYPE_MAP[
        type as
          | typeof APP_GUARD
          | typeof APP_PIPE
          | typeof APP_FILTER
          | typeof APP_INTERCEPTOR
      ];
    const factoryOrClassProvider = newProvider as
      | FactoryProvider
      | ClassProvider;
    if (this.isRequestOrTransient(factoryOrClassProvider.scope!)) {
      return this.container.addInjectable(newProvider, token, enhancerSubtype);
    }
    this.container.addProvider(newProvider, token, enhancerSubtype);
  }

  public insertInjectable(
    injectable: Type<Injectable> | object,