https://www.danaher.com/themes/custom/danaher/js/collapse/collapse-native.js?v=1.x

1/*!
2  * Native JavaScript for Bootstrap Collapse v3.0.14 (https://thednp.github.io/bootstrap.native/)
3  * Copyright 2015-2020 © dnp_theme
4  * Licensed under MIT (https://github.com/thednp/bootstrap.native/blob/master/LICENSE)
5  */
6(function (global, factory) {
7  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
8  typeof define === 'function' && define.amd ? define(factory) :
9  (global = global || self, global.Collapse = factory());
10}(this, (function () { 'use strict';
11
12  var transitionEndEvent = 'webkitTransition' in document.head.style ? 'webkitTransitionEnd' : 'transitionend';
13
14  var supportTransition = 'webkitTransition' in document.head.style || 'transition' in document.head.style;
15
16  var transitionDuration = 'webkitTransition' in document.head.style ? 'webkitTransitionDuration' : 'transitionDuration';
17
18  var transitionProperty = 'webkitTransition' in document.head.style ? 'webkitTransitionProperty' : 'transitionProperty';
19
20  function getElementTransitionDuration(element) {
21    var computedStyle = getComputedStyle(element),
22        property = computedStyle[transitionProperty],
23        duration = supportTransition && property && property !== 'none'
24                 ? parseFloat(computedStyle[transitionDuration]) : 0;
25    return !isNaN(duration) ? duration * 1000 : 0;
26  }
27
28  function emulateTransitionEnd(element,handler){
29    var called = 0, duration = getElementTransitionDuration(element);
30    duration ? element.addEventListener( transitionEndEvent, function transitionEndWrapper(e){
31                !called && handler(e), called = 1;
32                element.removeEventListener( transitionEndEvent, transitionEndWrapper);
33              })
34             : setTimeout(function() { !called && handler(), called = 1; }, 17);
35  }
36
37  function queryElement(selector, parent) {
38    var lookUp = parent && parent instanceof Element ? parent : document;
39    return selector instanceof Element ? selector : lookUp.querySelector(selector);
40  }
41
42  function bootstrapCustomEvent(eventName, componentName, eventProperties) {
43    var OriginalCustomEvent = new CustomEvent( eventName + '.bs.' + componentName, {cancelable: true});
44    if (typeof eventProperties !== 'undefined') {
45      Object.keys(eventProperties).forEach(function (key) {
46        Object.defineProperty(OriginalCustomEvent, key, {
47          value: eventProperties[key]
48        });
49      });
50    }
51    return OriginalCustomEvent;
52  }
53
54  function dispatchCustomEvent(customEvent){
55    this && this.dispatchEvent(customEvent);
56  }
57
58  function Collapse(element,options) {
59    options = options || {};
60    var self = this;
61    var accordion = null,
62        collapse = null,
63        activeCollapse,
64        activeElement,
65        showCustomEvent,
66        shownCustomEvent,
67        hideCustomEvent,
68        hiddenCustomEvent;
69    function openAction(collapseElement, toggle) {
70      dispatchCustomEvent.call(collapseElement, showCustomEvent);
71      if ( showCustomEvent.defaultPrevented ) { return; }
72      collapseElement.isAnimating = true;
73      collapseElement.classList.add('collapsing');
74      collapseElement.classList.remove('collapse');
75      collapseElement.style.height = (collapseElement.scrollHeight) + "px";
76      emulateTransitionEnd(collapseElement, function () {
77        collapseElement.isAnimating = false;
78        collapseElement.setAttribute('aria-expanded','true');
79        toggle.setAttribute('aria-expanded','true');
80        collapseElement.classList.remove('collapsing');
81        collapseElement.classList.add('collapse');
82        collapseElement.classList.add('show');
83        collapseElement.classList.add('opened');
84        collapseElement.style.height = '';
85        dispatchCustomEvent.call(collapseElement, shownCustomEvent);
86      });
87    }
88    function closeAction(collapseElement, toggle) {
89      dispatchCustomEvent.call(collapseElement, hideCustomEvent);
90      if ( hideCustomEvent.defaultPrevented ) { return; }
91      collapseElement.isAnimating = true;
92      collapseElement.style.height = (collapseElement.scrollHeight) + "px";
93      collapseElement.classList.remove('collapse');
94      collapseElement.classList.remove('show');
95      collapseElement.classList.add('collapsing');
96      collapseElement.offsetWidth;
97      collapseElement.style.height = '0px';
98      emulateTransitionEnd(collapseElement, function () {
99        collapseElement.isAnimating = false;
100        collapseElement.setAttribute('aria-expanded','false');
101        toggle.setAttribute('aria-expanded','false');
102        toggle.classList.add('collapsed');
103        collapseElement.classList.remove('collapsing');
104        collapseElement.classList.remove('opened');
105        collapseElement.classList.add('collapse');
106        collapseElement.style.height = '';
107        dispatchCustomEvent.call(collapseElement, hiddenCustomEvent);
108      });
109    }
110    self.toggle = function (e) {
111      if (e && e.target.tagName === 'A' || element.tagName === 'A') {e.preventDefault();}
112      if (element.contains(e.target) || e.target === element) {
113        if (!collapse.classList.contains('show')) { self.show(); }
114        else { self.hide(); }
115      }
116    };
117    self.hide = function () {
118      if ( collapse.isAnimating ) { return; }
119      closeAction(collapse,element);
120      element.classList.add('collapsed');
121    };
122    self.show = function () {
123      if ( accordion ) {
124        activeCollapse = accordion.getElementsByClassName("collapse show")[0];
125        activeElement = activeCollapse && (queryElement(("[data-target=\"#" + (activeCollapse.id) + "\"]"),accordion)
126                      || queryElement(("[href=\"#" + (activeCollapse.id) + "\"]"),accordion) );
127      }
128      if ( !collapse.isAnimating ) {
129        if ( activeElement && activeCollapse !== collapse ) {
130          closeAction(activeCollapse,activeElement);
131          activeElement.classList.add('collapsed');
132          activeElement.classList.remove('opened');
133        }
134        openAction(collapse,element);
135        element.classList.remove('collapsed');
136        element.classList.remove('opened');
137      }
138    };

139    self.dispose = function () {
140      element.removeEventListener('click',self.toggle,false);
141      delete element.Collapse;
142    };
143      element = queryElement(element);
144      element.Collapse && element.Collapse.dispose();
145      var accordionData = element.getAttribute('data-parent');
146      showCustomEvent = bootstrapCustomEvent('show', 'collapse');
147      shownCustomEvent = bootstrapCustomEvent('shown', 'collapse');
148      hideCustomEvent = bootstrapCustomEvent('hide', 'collapse');
149      hiddenCustomEvent = bootstrapCustomEvent('hidden', 'collapse');
150      collapse = queryElement(options.target || element.getAttribute('data-target') || element.getAttribute('href'));
151      collapse.isAnimating = false;
152      accordion = element.closest(options.parent || accordionData);
153      if ( !element.Collapse ) {
154        element.addEventListener('click',self.toggle,false);
155      }
156      element.Collapse = self;
157  }
158
159  return Collapse;
160
161})));