https://askiev.com.ua/sites/all/themes/devswb/js/pushy.js?sfzr10

1/*! Pushy - v1.1.0 - 2017-1-30
2* Pushy is a responsive off-canvas navigation menu using CSS transforms & transitions.
3* https://github.com/christophery/pushy/
4* by Christopher Yee */
5
6(function ($) {
7	var pushy = $('.pushy'), //menu css class
8		body = $('body'),
9		container = $('#container'), //container css class
10		push = $('.push'), //css class to add pushy capability
11		pushyLeft = 'pushy-left', //css class for left menu position
12		pushyOpenLeft = 'pushy-open-left', //css class when menu is open (left position)
13		pushyOpenRight = 'pushy-open-right', //css class when menu is open (right position)
14		siteOverlay = $('.site-overlay'), //site overlay
15		menuBtn = $('.menu-btn, .pushy-link'), //css classes to toggle the menu
16		menuBtnFocus = $('.menu-btn'), //css class to focus when menu is closed w/ esc key
17		menuLinkFocus = $(pushy.data('focus')), //focus on link when menu is open
18		menuSpeed = 200, //jQuery fallback menu speed
19		menuWidth = pushy.width() + 'px', //jQuery fallback menu width
20		submenuClass = '.pushy-submenu',
21		submenuOpenClass = 'pushy-submenu-open',
22		submenuClosedClass = 'pushy-submenu-closed',
23		submenu = $(submenuClass);
24
25	//close menu w/ esc key
26	$(document).keyup(function(e) {
27		//check if esc key is pressed
28		if (e.keyCode == 27) {
29
30			//check if menu is open
31			if( body.hasClass(pushyOpenLeft) || body.hasClass(pushyOpenRight) ){
32				if(cssTransforms3d){
33					closePushy(); //close pushy
34				}else{
35					closePushyFallback();
36					opened = false; //set menu state
37				}
38				
39				//focus on menu button after menu is closed
40				if(menuBtnFocus){
41					menuBtnFocus.focus();
42				}
43				
44			}
45
46		}   
47	});
48
49	function togglePushy(){
50		//add class to body based on menu position
51		if( pushy.hasClass(pushyLeft) ){
52			body.toggleClass(pushyOpenLeft);
53		}else{
54			body.toggleClass(pushyOpenRight);
55		}
56
57		//focus on link in menu after css transition ends
58		if(menuLinkFocus){
59			pushy.one('transitionend', function() {
60				menuLinkFocus.focus();
61			});
62		}
63		
64	}
65
66	function closePushy(){
67		if( pushy.hasClass(pushyLeft) ){
68			body.removeClass(pushyOpenLeft);
69		}else{
70			body.removeClass(pushyOpenRight);
71		}
72	}
73
74	function openPushyFallback(){
75		//animate menu position based on CSS class
76		if( pushy.hasClass(pushyLeft) ){
77			body.addClass(pushyOpenLeft);
78			pushy.animate({left: "0px"}, menuSpeed);
79			container.animate({left: menuWidth}, menuSpeed);
80			//css class to add pushy capability
81			push.animate({left: menuWidth}, menuSpeed);
82		}else{
83			body.addClass(pushyOpenRight);
84			pushy.animate({right: '0px'}, menuSpeed);
85			container.animate({right: menuWidth}, menuSpeed);
86			push.animate({right: menuWidth}, menuSpeed);
87		}
88
89		//focus on link in menu
90		if(menuLinkFocus){
91			menuLinkFocus.focus();
92		}
93	}
94
95	function closePushyFallback(){
96		//animate menu position based on CSS class
97		if( pushy.hasClass(pushyLeft) ){
98			body.removeClass(pushyOpenLeft);
99			pushy.animate({left: "-" + menuWidth}, menuSpeed);
100			container.animate({left: "0px"}, menuSpeed);
101			//css class to add pushy capability
102			push.animate({left: "0px"}, menuSpeed);
103		}else{
104			body.removeClass(pushyOpenRight);
105			pushy.animate({right: "-" + menuWidth}, menuSpeed);
106			container.animate({right: "0px"}, menuSpeed);
107			push.animate({right: "0px"}, menuSpeed);
108		}
109	}
110
111	function toggleSubmenu(){
112		//hide submenu by default
113		$(submenuClass).addClass(submenuClosedClass);
114
115		$(submenuClass).on('click', function(){
116	        var selected = $(this);
117
118	        if( selected.hasClass(submenuClosedClass) ) {
119	            //hide opened submenus
120	            $(submenuClass).addClass(submenuClosedClass).removeClass(submenuOpenClass);
121	            //show submenu
122	            selected.removeClass(submenuClosedClass).addClass(submenuOpenClass);
123	        }else{
124	            //hide submenu
125	            selected.addClass(submenuClosedClass).removeClass(submenuOpenClass);
126	        }
127	    });
128	}
129
130	//checks if 3d transforms are supported removing the modernizr dependency
131	var cssTransforms3d = (function csstransforms3d(){
132		var el = document.createElement('p'),
133		supported = false,
134		transforms = {
135		    'webkitTransform':'-webkit-transform',
136		    'OTransform':'-o-transform',
137		    'msTransform':'-ms-transform',
138		    'MozTransform':'-moz-transform',
139		    'transform':'transform'
140		};
141
142		if(document.body !== null) {
143			// Add it to the body to get the computed style
144			document.body.insertBefore(el, null);
145
146			for(var t in transforms){
147			    if( el.style[t] !== undefined ){
148			        el.style[t] = 'translate3d(1px,1px,1px)';
149			        supported = window.getComputedStyle(el).getPropertyValue(transforms[t]);
150			    }
151			}
152
153			document.body.removeChild(el);
154
155			return (supported !== undefined && supported.length > 0 && supported !== "none");
156		}else{
157			return false;

158		}
159	})();
160
161	if(cssTransforms3d){
162		//toggle submenu
163		toggleSubmenu();
164
165		//toggle menu
166		menuBtn.on('click', function(){
167			togglePushy();
168		});
169		//close menu when clicking site overlay
170		siteOverlay.on('click', function(){
171			togglePushy();
172		});
173	}else{
174		//add css class to body
175		body.addClass('no-csstransforms3d');
176
177		//hide menu by default
178		if( pushy.hasClass(pushyLeft) ){
179			pushy.css({left: "-" + menuWidth});
180		}else{
181			pushy.css({right: "-" + menuWidth});
182		}
183
184		//fixes IE scrollbar issue
185		container.css({"overflow-x": "hidden"});
186
187		//keep track of menu state (open/close)
188		var opened = false;
189
190		//toggle submenu
191		toggleSubmenu();
192
193		//toggle menu
194		menuBtn.on('click', function(){
195			if (opened) {
196				closePushyFallback();
197				opened = false;
198			} else {
199				openPushyFallback();
200				opened = true;
201			}
202		});
203
204		//close menu when clicking site overlay
205		siteOverlay.on('click', function(){
206			if (opened) {
207				closePushyFallback();
208				opened = false;
209			} else {
210				openPushyFallback();
211				opened = true;
212			}
213		});
214	}
215}(jQuery));