assetflow/static/js/handleSidebarTriangles.js

const trinagles = $('.dropdownIndicator');
console.log(`Found ${trinagles.length} triangles`)


trinagles.each(function () {
	var target = $(this.dataset.refTarget);
	var triTar = $(this);
	// Apply rotate if target is open
	if (target.hasClass('show')) {
		$(this).addClass('rotate');
	}

	target.on('show.bs.collapse', function () {
		$(triTar).addClass('rotate');
		$(triTar).removeClass('derotate');
	});
	target.on('hide.bs.collapse', function () {
		$(triTar).removeClass('rotate');
		$(triTar).addClass('derotate');
	});
});