Function querySelectorAll

packages/core/ui/core/view-base/index.ts:199–220

(view: ViewBase, selector: string)

 * Returns an instance of a view (if found), otherwise undefined.
 */
export function querySelectorAll(view: ViewBase, selector: string): Array<ViewBase> {
	if (!view) {
		return [];
	}

	const retVal: Array<ViewBase> = [];
	if (view[selector]) {
		retVal.push(view);
	}

	const descendantsCallback = function (child: ViewBase): boolean {
		if (child[selector]) {
			retVal.push(child);
		}

		return true;
	};

	eachDescendant(view, descendantsCallback);

	return retVal;
}

/**
 * Iterates through all child views (via visual tree) and executes a function.