https://strategysystems.com/wp-content/plugins/strong-testimonials…/public/js/lib/verge/verge.js?ver=1.10.2

1/*!
2 * verge 1.10.2+201705300050
3 * http://npm.im/verge
4 * MIT Ryan Van Etten
5 */
6
7!function(root, name, make) {
8  if (typeof module != 'undefined' && module['exports']) module['exports'] = make();
9  else root[name] = make();
10}(this, 'verge', function() {
11
12  var xports = {}
13    , win = typeof window != 'undefined' && window
14    , doc = typeof document != 'undefined' && document
15    , docElem = doc && doc.documentElement
16    , matchMedia = win['matchMedia'] || win['msMatchMedia']
17    , mq = matchMedia ? function(q) {
18        return !!matchMedia.call(win, q).matches;
19      } : function() {
20        return false;
21      }
22    , viewportW = xports['viewportW'] = function() {
23        var a = docElem['clientWidth'], b = win['innerWidth'];
24        return a < b ? b : a;
25      }
26    , viewportH = xports['viewportH'] = function() {
27        var a = docElem['clientHeight'], b = win['innerHeight'];
28        return a < b ? b : a;
29      };
30
31  /**
32   * Test if a media query is active. Like Modernizr.mq
33   * @since 1.6.0
34   * @return {boolean}
35   */
36  xports['mq'] = mq;
37
38  /**
39   * Normalized matchMedia
40   * @since 1.6.0
41   * @return {MediaQueryList|Object}
42   */
43  xports['matchMedia'] = matchMedia ? function() {
44    // matchMedia must be binded to window
45    return matchMedia.apply(win, arguments);
46  } : function() {
47    // Gracefully degrade to plain object
48    return {};
49  };
50
51  /**
52   * @since 1.8.0
53   * @return {{width:number, height:number}}
54   */
55  function viewport() {
56    return {'width':viewportW(), 'height':viewportH()};
57  }
58  xports['viewport'] = viewport;
59
60  /**
61   * Cross-browser window.scrollX
62   * @since 1.0.0
63   * @return {number}
64   */
65  xports['scrollX'] = function() {
66    return win.pageXOffset || docElem.scrollLeft;
67  };
68
69  /**
70   * Cross-browser window.scrollY
71   * @since 1.0.0
72   * @return {number}
73   */
74  xports['scrollY'] = function() {
75    return win.pageYOffset || docElem.scrollTop;
76  };
77
78  /**
79   * @param {{top:number, right:number, bottom:number, left:number}} coords
80   * @param {number=} cushion adjustment
81   * @return {Object}
82   */
83  function calibrate(coords, cushion) {
84    var o = {};
85    cushion = +cushion || 0;
86    o['width'] = (o['right'] = coords['right'] + cushion) - (o['left'] = coords['left'] - cushion);
87    o['height'] = (o['bottom'] = coords['bottom'] + cushion) - (o['top'] = coords['top'] - cushion);
88    return o;
89  }
90
91  /**
92   * Cross-browser element.getBoundingClientRect plus optional cushion.
93   * Coords are relative to the top-left corner of the viewport.
94   * @since 1.0.0
95   * @param {Element|Object} el element or stack (uses first item)
96   * @param {number=} cushion +/- pixel adjustment amount
97   * @return {Object|boolean}
98   */
99  function rectangle(el, cushion) {
100    el = el && !el.nodeType ? el[0] : el;
101    if (!el || 1 !== el.nodeType) return false;
102    return calibrate(el.getBoundingClientRect(), cushion);
103  }
104  xports['rectangle'] = rectangle;
105
106  /**
107   * Get the viewport aspect ratio (or the aspect ratio of an object or element)
108   * @since 1.7.0
109   * @param {(Element|Object)=} o optional object with width/height props or methods
110   * @return {number}
111   * @link http://w3.org/TR/css3-mediaqueries/#orientation
112   */
113  function aspect(o) {
114    o = null == o ? viewport() : 1 === o.nodeType ? rectangle(o) : o;
115    var h = o['height'], w = o['width'];
116    h = typeof h == 'function' ? h.call(o) : h;
117    w = typeof w == 'function' ? w.call(o) : w;
118    return w/h;
119  }
120  xports['aspect'] = aspect;
121
122  /**
123   * Test if an element is in the same x-axis section as the viewport.
124   * @since 1.0.0
125   * @param {Element|Object} el
126   * @param {number=} cushion
127   * @return {boolean}
128   */
129  xports['inX'] = function(el, cushion) {
130    var r = rectangle(el, cushion);
131    return !!r && r.right >= 0 && r.left <= viewportW();
132  };
133
134  /**
135   * Test if an element is in the same y-axis section as the viewport.
136   * @since 1.0.0
137   * @param {Element|Object} el
138   * @param {number=} cushion
139   * @return {boolean}
140   */
141  xports['inY'] = function(el, cushion) {
142    var r = rectangle(el, cushion);
143    return !!r && r.bottom >= 0 && r.top <= viewportH();
144  };
145
146  /**
147   * Test if an element is in the viewport.
148   * @since 1.0.0

149   * @param {Element|Object} el
150   * @param {number=} cushion
151   * @return {boolean}
152   */
153  xports['inViewport'] = function(el, cushion) {
154    // Equiv to `inX(el, cushion) && inY(el, cushion)` but just manually do both
155    // to avoid calling rectangle() twice. It gzips just as small like this.
156    var r = rectangle(el, cushion);
157    return !!r && r.bottom >= 0 && r.right >= 0 && r.top <= viewportH() && r.left <= viewportW();
158  };
159
160  return xports;
161});