Method _tick

packages/core/src/application/application_ref.ts:552–563

@internal

()

  /** @internal */
  _tick(): void {
    profiler(ProfilerEvent.ChangeDetectionStart);

    if (this.tracingSnapshot !== null) {
      // Ensure we always run `tickImpl()` in the context of the most recent snapshot,
      // if one exists. Snapshots may be reference counted by the implementation so
      // we want to ensure that if we request a snapshot that we use it.
      this.tracingSnapshot.run(TracingAction.CHANGE_DETECTION, this.tickImpl);
    } else {
      this.tickImpl();
    }
  }

  private tickImpl = (): void => {
    (typeof ngDevMode === 'undefined' || ngDevMode) && warnIfDestroyed(this._destroyed);