Method ngOnDestroy

src/cdk/dialog/dialog.ts:180–199

()

  }

  ngOnDestroy() {
    // Make one pass over all the dialogs that need to be untracked, but should not be closed. We
    // want to stop tracking the open dialog even if it hasn't been closed, because the tracking
    // determines when `aria-hidden` is removed from elements outside the dialog.
    reverseForEach(this._openDialogsAtThisLevel, dialog => {
      // Check for `false` specifically since we want `undefined` to be interpreted as `true`.
      if (dialog.config.closeOnDestroy === false) {
        this._removeOpenDialog(dialog, false);
      }
    });

    // Make a second pass and close the remaining dialogs. We do this second pass in order to
    // correctly dispatch the `afterAllClosed` event in case we have a mixed array of dialogs
    // that should be closed and dialogs that should not.
    reverseForEach(this._openDialogsAtThisLevel, dialog => dialog.close());

    this._afterAllClosedAtThisLevel.complete();
    this._afterOpenedAtThisLevel.complete();
    this._openDialogsAtThisLevel = [];
  }

  /**
   * Creates an overlay config from a dialog config.