Method createAdapterProxy

packages/core/nest-factory.ts:350–377

(app: NestApplication, adapter: HttpServer)

  }

  private createAdapterProxy<T>(app: NestApplication, adapter: HttpServer): T {
    const proxy = new Proxy(app, {
      get: (receiver: Record<string, any>, prop: string) => {
        const mapToProxy = (result: unknown) => {
          return result instanceof Promise
            ? result.then(mapToProxy)
            : result instanceof NestApplication
              ? proxy
              : result;
        };

        if (!(prop in receiver) && prop in adapter) {
          return (...args: unknown[]) => {
            const result = this.createExceptionZone(adapter, prop)(...args);
            return mapToProxy(result);
          };
        }
        if (isFunction(receiver[prop])) {
          return (...args: unknown[]) => {
            const result = receiver[prop](...args);
            return mapToProxy(result);
          };
        }
        return receiver[prop];
      },
    });
    return proxy as unknown as T;
  }

  private createGraphInspector(
    appOptions: NestApplicationContextOptions,