Function eachDescendant

packages/core/ui/core/view-base/index.ts:227–243

(view: ViewBase, callback: (child: ViewBase) => boolean)

 * @param callback - A function to execute on every child. If function returns false it breaks the iteration.
 */
export function eachDescendant(view: ViewBase, callback: (child: ViewBase) => boolean) {
	if (!callback || !view) {
		return;
	}

	let continueIteration: boolean;
	const localCallback = function (child: ViewBase): boolean {
		continueIteration = callback(child);
		if (continueIteration) {
			child.eachChild(localCallback);
		}

		return continueIteration;
	};

	view.eachChild(localCallback);
}

let viewIdCounter = 1;