Method _clear

src/cdk/tree/nested-node.ts:93–99

Clear the children dataNodes.

()

  /** Clear the children dataNodes. */
  protected _clear(): void {
    const outlet = this._getNodeOutlet();
    if (outlet) {
      outlet.viewContainer.clear();
      this._dataDiffer.diff([]);
    }
  }

  /** Gets the outlet for the current node. */
  private _getNodeOutlet() {