assetflow/static/js/handleSidebarTriangles.js

const trinagles = $('.dropdownIndicator');
//const containers = $('');

trinagles.each(function () {
	var target = $(this.dataset.refTarget);
	target.on('show.bs.collapse', function () {
		//$(this).parent.addClass('rotate');
		 $(this).parent().find('.dropdownIndicator').addClass('rotate');
		 console.log($(this).parent().find('.dropdownIndicator'));
		console.log('show');
	});
	target.on('hide.bs.collapse', function () {
		//$(this).parent.removeClass('rotate');
		 $(this).parent().find('.dropdownIndicator').removeClass('rotate');
		console.log('hide');
	});
	// bootstrap.Collapse.getOrCreateInstance(document.querySelector(this.dataset.refTarget))
});