Method addNode

packages/react-aria/src/collections/Document.ts:468–481

(element: ElementNode<T>)

  }

  private addNode(element: ElementNode<T>): void {
    if (element.isHidden || element.node == null) {
      return;
    }

    let collection = this.getMutableCollection();
    if (!collection.getItem(element.node.key)) {
      for (let child of element) {
        this.addNode(child);
      }
    }

    collection.addNode(element.node);
  }

  private removeNode(node: ElementNode<T>): void {
    for (let child of node) {