https://hcplc.org/tech/scripts/hcplc-allpages.js?v=6.1

1// Promise polyfill https://github.com/taylorhakes/promise-polyfill
2!function(e){function n(){}function t(e,n){return function(){e.apply(n,arguments)}}function o(e){if("object"!=typeof this)throw new TypeError("Promises must be constructed via new");if("function"!=typeof e)throw new TypeError("not a function");this._state=0,this._handled=!1,this._value=void 0,this._deferreds=[],s(e,this)}function i(e,n){for(;3===e._state;)e=e._value;return 0===e._state?void e._deferreds.push(n):(e._handled=!0,void o._immediateFn(function(){var t=1===e._state?n.onFulfilled:n.onRejected;if(null===t)return void(1===e._state?r:u)(n.promise,e._value);var o;try{o=t(e._value)}catch(i){return void u(n.promise,i)}r(n.promise,o)}))}function r(e,n){try{if(n===e)throw new TypeError("A promise cannot be resolved with itself.");if(n&&("object"==typeof n||"function"==typeof n)){var i=n.then;if(n instanceof o)return e._state=3,e._value=n,void f(e);if("function"==typeof i)return void s(t(i,n),e)}e._state=1,e._value=n,f(e)}catch(r){u(e,r)}}function u(e,n){e._state=2,e._value=n,f(e)}function f(e){2===e._state&&0===e._deferreds.length&&o._immediateFn(function(){e._handled||o._unhandledRejectionFn(e._value)});for(var n=0,t=e._deferreds.length;n<t;n++)i(e,e._deferreds[n]);e._deferreds=null}function c(e,n,t){this.onFulfilled="function"==typeof e?e:null,this.onRejected="function"==typeof n?n:null,this.promise=t}function s(e,n){var t=!1;try{e(function(e){t||(t=!0,r(n,e))},function(e){t||(t=!0,u(n,e))})}catch(o){if(t)return;t=!0,u(n,o)}}var a=setTimeout;o.prototype["catch"]=function(e){return this.then(null,e)},o.prototype.then=function(e,t){var o=new this.constructor(n);return i(this,new c(e,t,o)),o},o.all=function(e){var n=Array.prototype.slice.call(e);return new o(function(e,t){function o(r,u){try{if(u&&("object"==typeof u||"function"==typeof u)){var f=u.then;if("function"==typeof f)return void f.call(u,function(e){o(r,e)},t)}n[r]=u,0===--i&&e(n)}catch(c){t(c)}}if(0===n.length)return e([]);for(var i=n.length,r=0;r<n.length;r++)o(r,n[r])})},o.resolve=function(e){return e&&"object"==typeof e&&e.constructor===o?e:new o(function(n){n(e)})},o.reject=function(e){return new o(function(n,t){t(e)})},o.race=function(e){return new o(function(n,t){for(var o=0,i=e.length;o<i;o++)e[o].then(n,t)})},o._immediateFn="function"==typeof setImmediate&&function(e){setImmediate(e)}||function(e){a(e,0)},o._unhandledRejectionFn=function(e){"undefined"!=typeof console&&console&&console.warn("Possible Unhandled Promise Rejection:",e)},o._setImmediateFn=function(e){o._immediateFn=e},o._setUnhandledRejectionFn=function(e){o._unhandledRejectionFn=e},"undefined"!=typeof module&&module.exports?module.exports=o:e.Promise||(e.Promise=o)}(this);
3
4//Fetch polyfill https://github.com/developit/unfetch
5window.fetch||(window.fetch=function(e,t){return t=t||{},new Promise(function(n,s){function r(){var e,t=[],n=[],s={};return o.getAllResponseHeaders().replace(/^(.*?):\s*([\s\S]*?)$/gm,function(r,o,u){t.push(o=o.toLowerCase()),n.push([o,u]),e=s[o],s[o]=e?e+","+u:u}),{ok:1==(o.status/200|0),status:o.status,statusText:o.statusText,url:o.responseURL,clone:r,text:function(){return Promise.resolve(o.responseText)},json:function(){return Promise.resolve(o.responseText).then(JSON.parse)},blob:function(){return Promise.resolve(new Blob([o.response]))},headers:{keys:function(){return t},entries:function(){return n},get:function(e){s[e.toLowerCase()]},has:function(e){e.toLowerCase()}}}}var o=new XMLHttpRequest;o.open(t.method||"get",e);for(var u in t.headers)o.setRequestHeader(u,t.headers[u]);o.withCredentials="include"==t.credentials,o.onload=function(){n(r())},o.onerror=s,o.send(t.body)})});
6
7/* More IE11 polyfills */
8window.NodeList&&!NodeList.prototype.forEach&&(NodeList.prototype.forEach=Array.prototype.forEach);
9Number.isNaN = Number.isNaN || function(value) {return value !== value};
10
11document.documentElement.classList.remove('js-no');
12
13if (!window.HCPLC) window.HCPLC = {};
14
15HCPLC.searchbar = {
16  doSearch: function (e) {
17    e = e || window.event;
18    e.preventDefault();
19    var activeTab = document.querySelector('.search-tabs li.active');
20    var searchtype = activeTab.getAttribute('data-searchtype');
21    var catalogSearchType = document.getElementById('catalogSearchSelect').value;
22    var keyword = document.getElementById(searchtype + 'Input').value || '';
23    if (keyword.trim() === '') {
24      document.getElementById(searchtype + 'Input').focus();
25      return false;
26    }    
27    var la = '';
28    if (searchtype === 'catalog') {
29      la = '-' + catalogSearchType;
30    }
31    window.dataLayer = window.dataLayer || [];
32    window.dataLayer.push({
33      'event': 'search_bar_submit',
34      'searchType': searchtype + la.toLowerCase(),
35      'searchTerm': keyword
36    });

37    if (searchtype === 'site') {
38      document.getElementById(searchtype + 'Search').submit();
39    } else {
40      var catalogHref = 'https://hcplc.bibliocommons.com/v2/search?searchType='
41        + catalogSearchType
42        + '&query=' + encodeURIComponent(keyword);
43      var gtMenu = document.querySelector('.goog-te-gadget-simple');
44      if (gtMenu && gtMenu.textContent.includes('Spanish')) {
45        catalogHref += '&locale=es-ES';
46      }
47      window.location = catalogHref;
48    }
49    return false;
50  },
51  refocusTab: function (event) {
52    if (event.keyCode === 37 || event.keyCode === 39) {
53      var tabId = event.target.id;
54      var currentId = tabId.substr(-1);
55      var newId = (currentId === '1' ? '2' : '1') ;
56      document.querySelector('#search-tab' + newId).focus();
57    };
58  },
59  switchTabPanel: function (activeTab) {
60    var tabs = document.querySelectorAll('.search-tabs li');
61    var panels = document.querySelectorAll('.multisrch-form');
62    tabs.forEach(function(tab){
63      tab.classList.remove('active');
64      tab.setAttribute('aria-selected', 'false');
65      tab.setAttribute('tabindex', '-1');
66    });
67    panels.forEach(function(panel){
68      panel.classList.remove('active');
69      panel.setAttribute('aria-hidden', 'true');
70    });
71    var searchtype = activeTab.getAttribute('data-searchtype');
72    var activePanel = document.getElementById(searchtype + 'SearchPanel');
73    activeTab.classList.add('active');
74    activeTab.setAttribute('aria-selected', 'true');
75    activeTab.setAttribute('tabindex', '0');
76    activePanel.classList.add('active');
77    activePanel.setAttribute('aria-hidden', 'false');
78  },
79  init: function () {
80    var tabs = document.querySelectorAll('.search-tabs li');
81    var forms = document.querySelectorAll('.multisrch-form form'); 
82    document.getElementById('multisrch').classList.remove('hide-noscript');
83    forms.forEach(function(form){
84      form.addEventListener('submit', HCPLC.searchbar.doSearch);
85    });
86    document.getElementById('multisrch-tablist').addEventListener('keydown', HCPLC.searchbar.refocusTab);

87    tabs.forEach(function(tab){
88      tab.addEventListener('focus', function () {
89        HCPLC.searchbar.switchTabPanel(this);
90      });
91    });
92    document.getElementById('showSearch').addEventListener('click', function(){
93      this.classList.toggle('active');
94    });
95  }
96}
97
98HCPLC.setBackToTop = function () {
99  var backToTop = document.createElement('a');
100  backToTop.id = 'back-to-top';
101  backToTop.href = '#';
102  backToTop.innerHTML = '<span class="glyph-text">Back to top</span><svg version="1.1" id="btt" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 240 240"><circle id="btt_button" fill="#185370" cx="120" cy="120" r="100"/><polygon id="btt_chevron" fill="#ffffff" points="170,132 157.5,144 120,106 82.5,144 70,132 120,82"/></svg>';
103  backToTop.addEventListener('click', function(event) {
104    event.preventDefault();
105    var yPos = window.pageYOffset;
106    var factor = 100;
107    var scrollback = setInterval(function() {
108      yPos -= factor;
109      if (yPos < factor) {
110        window.scrollTo(0, 0);
111        clearInterval(scrollback);
112      } else {        
113        window.scrollTo(0, yPos);
114      }
115    }, 20);
116  });
117  document.body.appendChild(backToTop);
118  window.addEventListener('scroll', function () {
119    backToTop.style.display = (window.pageYOffset > window.innerWidth + 320) ? 'block' : 'none';
120  });
121};
122
123HCPLC.overlay = {
124  elem: null,
125  closeBtn: null,
126  show: function () {
127    if (!this.elem) {
128      return;
129    }
130    document.body.classList.add('noscroll');
131    this.elem.style.display = 'flex';
132    if (this.closeBtn) {
133      this.closeBtn.focus();
134    }
135  },
136  hide: function () {
137    if (!this.elem) {
138      return;
139    }
140    document.body.classList.remove('noscroll');
141    this.elem.style.display = 'none';
142  },
143  init: function () {
144    this.elem = document.querySelector('.overlay');
145    if (!this.elem) {
146      return;
147    }
148    this.elem.addEventListener('click', function (event) {
149      if (event.target === this) {
150        HCPLC.overlay.hide();
151      }
152    });
153    this.elem.addEventListener('keydown', function (event) {
154      if (event.key && event.key === 'Escape') {
155        HCPLC.overlay.hide();
156      }
157    });
158    this.closeBtn = document.querySelector('.overlay-close');
159    if (this.closeBtn) {
160      this.closeBtn.addEventListener('click', function () {
161        HCPLC.overlay.hide();
162      });
163    }
164  }
165};
166
167HCPLC.nicheOverlay = {
168  openOverlay: function (courseNumber) {
169    var iframe = document.createElement('iframe');
170    iframe.id = 'niche-iframe';
171    iframe.className = 'niche-iframe';
172    iframe.setAttribute('allow', 'fullscreen');
173    iframe.src = 'https://my.nicheacademy.com/hcpl/course/' + courseNumber;
174    document.querySelector('.iframe-close').insertAdjacentElement('beforebegin', iframe); 
175    HCPLC.overlay.show();
176    document.querySelector('.overlay-close').focus();
177  },
178  init: function () {
179    var overlay = document.querySelector('#overlay');
180    var overlayObserver = new MutationObserver(function() {
181      if (overlay.style.display === 'none') {
182        document.querySelector('#niche-iframe').remove();
183      }
184    });
185    var self = this;
186    overlayObserver.observe(overlay, {attributes: true});
187    document.querySelectorAll('.niche-link').forEach(function(link){
188      link.addEventListener('click', function (event) {
189        event.preventDefault();
190        var course = this.getAttribute('data-course');
191        self.openOverlay(course);
192      });
193    });
194    document.querySelector('.iframe-close').addEventListener('click', function () {
195      HCPLC.overlay.hide();
196    });
197  }
198}
199
200HCPLC.formCheck = {
201  form: null,
202  loadTime: null,
203  stamp: function () {
204    var completionTime = Date.now() - this.loadTime;
205    var existing = this.form.querySelector('input[name=completion_time]');
206    if (existing) {
207      existing.setAttribute('value', completionTime);
208    } else {
209      var input = document.createElement('input');
210      input.setAttribute('type', 'hidden');
211      input.setAttribute('name', 'completion_time');
212      input.setAttribute('value', completionTime);
213      this.form.appendChild(input);
214    }
215  },
216  init: function (selector) {
217    this.loadTime = Date.now();
218    this.form = document.querySelector(selector);
219    var self = this;
220    if (this.form) {
221      this.form.addEventListener('submit', self.stamp.bind(self), true);
222    }
223  }
224}
225
226window.addEventListener('load', function () {
227  HCPLC.setBackToTop();
228  HCPLC.overlay.init();
229});