Method stop

packages/core/src/application.ts:398–412

* Stop the application instance and all of its registered observers. The * application state is checked to ensure the integrity of `stop`. * * If the application is already stopped or not started, no operation is * performed.

()

   * performed.
   */
  public async stop(): Promise<void> {
    if (this._state === 'stopping') return this.awaitState('stopped');
    this.assertNotInProcess('stop');
    // No-op if it's created or stopped
    if (this._state !== 'started' && this._state !== 'initialized') return;
    this.setState('stopping');
    if (!this._isShuttingDown) {
      // Explicit stop is called, let's remove signal listeners to avoid
      // memory leak and max listener warning
      this.removeSignalListener();
    }
    const registry = await this.getLifeCycleObserverRegistry();
    await registry.stop();
    this.setState('stopped');
  }

  /**
   * Register a function to be called when the application starts.