https://toei-movie-st.com/assets0/js/Utils.js

1'use strict';
2/*-----------------------------------------------
3|   Utilities
4-----------------------------------------------*/
5
6var Utils = {
7  $window: $(window),
8  $document: $(document),
9  $html: $('html'),
10  $body: $('body'),
11  $main: $('main'),
12  isRTL: function isRTL() {
13    return this.$html.attr('dir') === 'rtl';
14  },
15  location: window.location,
16  nua: navigator.userAgent,
17  breakpoints: {
18    xs: 0,
19    sm: 576,
20    md: 768,
21    lg: 992,
22    xl: 1200
23  },
24  offset: function offset(element) {
25    var rect = element.getBoundingClientRect();
26    var scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
27    var scrollTop = window.pageYOffset || document.documentElement.scrollTop;
28    return {
29      top: rect.top + scrollTop,
30      left: rect.left + scrollLeft
31    };
32  },
33  isScrolledIntoViewJS: function isScrolledIntoViewJS(element) {
34    var windowHeight = window.innerHeight;
35    var elemTop = this.offset(element).top;
36    var elemHeight = element.offsetHeight;
37    var windowScrollTop = window.scrollY;
38    return elemTop <= windowScrollTop + windowHeight && windowScrollTop <= elemTop + elemHeight;
39  },
40  isScrolledIntoView: function isScrolledIntoView(el) {
41    var $el = $(el);
42    var windowHeight = this.$window.height();
43    var elemTop = $el.offset().top;
44    var elemHeight = $el.height();
45    var windowScrollTop = this.$window.scrollTop();
46    return elemTop <= windowScrollTop + windowHeight && windowScrollTop <= elemTop + elemHeight;
47  },
48  getCurrentScreanBreakpoint: function getCurrentScreanBreakpoint() {
49    var _this = this;
50
51    var currentScrean = '';
52    var windowWidth = this.$window.width();
53    $.each(this.breakpoints, function (index, value) {
54      if (windowWidth >= value) {
55        currentScrean = index;
56      } else if (windowWidth >= _this.breakpoints.xl) {
57        currentScrean = 'xl';
58      }
59    });
60    return {
61      currentScrean: currentScrean,
62      currentBreakpoint: this.breakpoints[currentScrean]
63    };
64  }
65};