Method _checkConfigured

src/cdk/menu/menu-aim.ts:230–239

* Check if a reference to the PointerFocusTracker and menu element is provided. * @throws an error if neither reference is provided.

()

   * @throws an error if neither reference is provided.
   */
  private _checkConfigured() {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      if (!this._pointerTracker) {
        throwMissingPointerFocusTracker();
      }
      if (!this._menu) {
        throwMissingMenuReference();
      }
    }
  }

  /** Subscribe to the root menus mouse move events and update the tracked mouse points. */
  private _subscribeToMouseMoves() {