Method updateChildrenNodes

src/cdk/tree/nested-node.ts:78–90

Add children dataNodes to the NodeOutlet

(children?: T[])

  /** Add children dataNodes to the NodeOutlet */
  protected updateChildrenNodes(children?: T[]): void {
    const outlet = this._getNodeOutlet();
    if (children) {
      this._children = children;
    }
    if (outlet && this._children) {
      const viewContainer = outlet.viewContainer;
      this._tree.renderNodeChanges(this._children, this._dataDiffer, viewContainer, this._data);
    } else {
      // Reset the data differ if there's no children nodes displayed
      this._dataDiffer.diff([]);
    }
  }

  /** Clear the children dataNodes. */
  protected _clear(): void {