Function collapsed

src/lib/openFolder.js:289–297

* Gets weather the folder is collapsed or not * @param {HTMLElement} $el * @param {boolean} isFile * @returns

($el, isFile)

 * @returns
 */
function collapsed($el, isFile) {
	if (!$el.isConnected) return true;
	$el = $el.parentElement;
	if (!isFile) {
		$el = $el.parentElement;
	}

	return $el.previousElementSibling.collapsed;
}

/**
 * Handle click event