leenooks/resources/themes/adminlte/views/layouts/partials/scripts.blade.php

<!-- REQUIRED JS SCRIPTS -->
<!-- JQuery and bootstrap are required by Laravel 5.7 in resources/js/bootstrap.js-->
<!-- Laravel App -->
<script src="{{ url(mix('/js/app.js')) }}" type="text/javascript"></script>
<!-- AdminLTE -->
<script src="/js/adminlte.min.js"></script>

<script type="text/javascript">
	// Our CSRF token to each interaction
	$.ajaxSetup({
		headers: {
			'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
		}
	});

	$.AdminLTESidebarTweak = {};

	$.AdminLTESidebarTweak.options = {
		EnableRemember: true,
		//Removes the transition after page reload.
		NoTransitionAfterReload: false
	};

	$(function () {
		"use strict";

		$("body").on("collapsed.lte.pushmenu", function(){
			if($.AdminLTESidebarTweak.options.EnableRemember){
				document.cookie = "toggleState=closed";
			}
		});

		// @todo this is not firing.
		$("body").on("expanded.lte.pushmenu", function(){
			if($.AdminLTESidebarTweak.options.EnableRemember){
				document.cookie = "toggleState=opened";
			}
		});

		if($.AdminLTESidebarTweak.options.EnableRemember){
			var re = new RegExp('toggleState' + "=([^;]+)");
			var value = re.exec(document.cookie);
			var toggleState = (value != null) ? unescape(value[1]) : null;
			if(toggleState == 'closed'){
				if($.AdminLTESidebarTweak.options.NoTransitionAfterReload){
					$("body").addClass('sidebar-collapse hold-transition').delay(100).queue(function(){
						$(this).removeClass('hold-transition');
					});
				}else{
					$("body").addClass('sidebar-collapse');
				}
			}
		}
	});
</script>