Method open

src/material/sidenav/drawer.ts:536–538

* Open the drawer. * @param openedVia Whether the drawer was opened by a key press, mouse click or programmatically. * Used for focus management after the sidenav is closed.

(openedVia?: FocusOrigin)

   * Used for focus management after the sidenav is closed.
   */
  open(openedVia?: FocusOrigin): Promise<MatDrawerToggleResult> {
    return this.toggle(true, openedVia);
  }

  /** Close the drawer. */
  close(): Promise<MatDrawerToggleResult> {