Method createApplicationContext

packages/core/nest-factory.ts:171–200

* Creates an instance of NestApplicationContext. * * @param moduleCls Entry (root) application module class * @param options Optional Nest application configuration * * @returns A promise that, when resolved, * contains a reference to the NestApplicationContext instance.

(
    moduleCls: IEntryNestModule,
    options?: NestApplicationContextOptions,
  )

   * contains a reference to the NestApplicationContext instance.
   */
  public async createApplicationContext(
    moduleCls: IEntryNestModule,
    options?: NestApplicationContextOptions,
  ): Promise<INestApplicationContext> {
    const applicationConfig = new ApplicationConfig();
    const container = new NestContainer(applicationConfig, options);
    const graphInspector = this.createGraphInspector(options!, container);

    this.setAbortOnError(options);
    this.registerLoggerConfiguration(options);

    await this.initialize(
      moduleCls,
      container,
      graphInspector,
      applicationConfig,
      options,
    );

    const modules = container.getModules().values();
    const root = modules.next().value;

    const context = this.createNestInstance<NestApplicationContext>(
      new NestApplicationContext(container, options, root),
    );
    if (this.autoFlushLogs) {
      context.flushLogsOnOverride();
    }
    return context.init();
  }

  private createNestInstance<T>(instance: T): T {
    return this.createProxy(instance);