This repository has been archived on 2023-05-27. You can view files and clone it, but cannot push or open issues or pull requests.
fedifeed/src/public/infinite-scroll.js

12 lines
25 KiB
JavaScript

/*!
* Infinite Scroll PACKAGED v3.0.5
* Automatically add next page
*
* Licensed GPLv3 for open source use
* or Infinite Scroll Commercial License for commercial use
*
* https://infinite-scroll.com
* Copyright 2018 Metafizzy
*/
!function(t,e){"function"==typeof define&&define.amd?define("jquery-bridget/jquery-bridget",["jquery"],function(i){return e(t,i);}):"object"==typeof module&&module.exports?module.exports=e(t,require("jquery")):t.jQueryBridget=e(t,t.jQuery);}(window,function(t,e){"use strict";function i(i,r,l){function a(t,e,n){var o,r="$()."+i+"(\""+e+"\")";return t.each(function(t,a){var h=l.data(a,i);if(!h)return void s(i+" not initialized. Cannot call methods, i.e. "+r);var c=h[e];if(!c||"_"==e.charAt(0))return void s(r+" is not a valid method");var u=c.apply(h,n);o=void 0===o?u:o;}),void 0!==o?o:t;}function h(t,e){t.each(function(t,n){var o=l.data(n,i);o?(o.option(e),o._init()):(o=new r(n,e),l.data(n,i,o));});}l=l||e||t.jQuery,l&&(r.prototype.option||(r.prototype.option=function(t){l.isPlainObject(t)&&(this.options=l.extend(!0,this.options,t));}),l.fn[i]=function(t){if("string"==typeof t){var e=o.call(arguments,1);return a(this,t,e);}return h(this,t),this;},n(l));}function n(t){!t||t&&t.bridget||(t.bridget=i);}var o=Array.prototype.slice,r=t.console,s="undefined"==typeof r?function(){}:function(t){r.error(t);};return n(e||t.jQuery),i;}),function(t,e){"function"==typeof define&&define.amd?define("ev-emitter/ev-emitter",e):"object"==typeof module&&module.exports?module.exports=e():t.EvEmitter=e();}("undefined"!=typeof window?window:this,function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var i=this._events=this._events||{},n=i[t]=i[t]||[];return n.indexOf(e)==-1&&n.push(e),this;}},e.once=function(t,e){if(t&&e){this.on(t,e);var i=this._onceEvents=this._onceEvents||{},n=i[t]=i[t]||{};return n[e]=!0,this;}},e.off=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=i.indexOf(e);return n!=-1&&i.splice(n,1),this;}},e.emitEvent=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){i=i.slice(0),e=e||[];for(var n=this._onceEvents&&this._onceEvents[t],o=0;o<i.length;o++){var r=i[o],s=n&&n[r];s&&(this.off(t,r),delete n[r]),r.apply(this,e);}return this;}},e.allOff=function(){delete this._events,delete this._onceEvents;},t;}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("desandro-matches-selector/matches-selector",e):"object"==typeof module&&module.exports?module.exports=e():t.matchesSelector=e();}(window,function(){"use strict";var t=function(){var t=window.Element.prototype;if(t.matches)return"matches";if(t.matchesSelector)return"matchesSelector";for(var e=["webkit","moz","ms","o"],i=0;i<e.length;i++){var n=e[i],o=n+"MatchesSelector";if(t[o])return o;}}();return function(e,i){return e[t](i);};}),function(t,e){"function"==typeof define&&define.amd?define("fizzy-ui-utils/utils",["desandro-matches-selector/matches-selector"],function(i){return e(t,i);}):"object"==typeof module&&module.exports?module.exports=e(t,require("desandro-matches-selector")):t.fizzyUIUtils=e(t,t.matchesSelector);}(window,function(t,e){var i={};i.extend=function(t,e){for(var i in e)t[i]=e[i];return t;},i.modulo=function(t,e){return(t%e+e)%e;};var n=Array.prototype.slice;i.makeArray=function(t){if(Array.isArray(t))return t;if(null===t||void 0===t)return[];var e="object"==typeof t&&"number"==typeof t.length;return e?n.call(t):[t];},i.removeFrom=function(t,e){var i=t.indexOf(e);i!=-1&&t.splice(i,1);},i.getParent=function(t,i){for(;t.parentNode&&t!=document.body;)if(t=t.parentNode,e(t,i))return t;},i.getQueryElement=function(t){return"string"==typeof t?document.querySelector(t):t;},i.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t);},i.filterFindElements=function(t,n){t=i.makeArray(t);var o=[];return t.forEach(function(t){if(t instanceof HTMLElement){if(!n)return void o.push(t);e(t,n)&&o.push(t);for(var i=t.querySelectorAll(n),r=0;r<i.length;r++)o.push(i[r]);}}),o;},i.debounceMethod=function(t,e,i){i=i||100;var n=t.prototype[e],o=e+"Timeout";t.prototype[e]=function(){var t=this[o];clearTimeout(t);var e=arguments,r=this;this[o]=setTimeout(function(){n.apply(r,e),delete r[o];},i);};},i.docReady=function(t){var e=document.readyState;"complete"==e||"interactive"==e?setTimeout(t):document.addEventListener("DOMContentLoaded",t);},i.toDashed=function(t){return t.replace(/(.)([A-Z])/g,function(t,e,i){return e+"-"+i;}).toLowerCase();};var o=t.console;return i.htmlInit=function(e,n){i.docReady(function(){var r=i.toDashed(n),s="data-"+r,l=document.querySelectorAll("["+s+"]"),a=document.querySelectorAll(".js-"+r),h=i.makeArray(l).concat(i.makeArray(a)),c=s+"-options",u=t.jQuery;h.forEach(function(t){var i,r=t.getAttribute(s)||t.getAttribute(c);try{i=r&&JSON.parse(r);}catch(l){return void(o&&o.error("Error parsing "+s+" on "+t.className+": "+l));}var a=new e(t,i);u&&u.data(t,n,a);});});},i;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/core",["ev-emitter/ev-emitter","fizzy-ui-utils/utils"],function(i,n){return e(t,i,n);}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter"),require("fizzy-ui-utils")):t.InfiniteScroll=e(t,t.EvEmitter,t.fizzyUIUtils);}(window,function(t,e,i){function n(t,e){var s=i.getQueryElement(t);if(!s)return void console.error("Bad element for InfiniteScroll: "+(s||t));if(t=s,t.infiniteScrollGUID){var l=r[t.infiniteScrollGUID];return l.option(e),l;}this.element=t,this.options=i.extend({},n.defaults),this.option(e),o&&(this.$element=o(this.element)),this.create();}var o=t.jQuery,r={};n.defaults={},n.create={},n.destroy={};var s=n.prototype;i.extend(s,e.prototype);var l=0;s.create=function(){var t=this.guid=++l;this.element.infiniteScrollGUID=t,r[t]=this,this.pageIndex=1,this.loadCount=0,this.updateGetPath();var e=this.getPath&&this.getPath();if(!e)return void console.error("Disabling InfiniteScroll");this.updateGetAbsolutePath(),this.log("initialized",[this.element.className]),this.callOnInit();for(var i in n.create)n.create[i].call(this);},s.option=function(t){i.extend(this.options,t);},s.callOnInit=function(){var t=this.options.onInit;t&&t.call(this,this);},s.dispatchEvent=function(t,e,i){this.log(t,i);var n=e?[e].concat(i):i;if(this.emitEvent(t,n),o&&this.$element){t+=".infiniteScroll";var r=t;if(e){var s=o.Event(e);s.type=t,r=s;}this.$element.trigger(r,i);}};var a={initialized:function(t){return"on "+t;},request:function(t){return"URL: "+t;},load:function(t,e){return(t.title||"")+". URL: "+e;},error:function(t,e){return t+". URL: "+e;},append:function(t,e,i){return i.length+" items. URL: "+e;},last:function(t,e){return"URL: "+e;},history:function(t,e){return"URL: "+e;},pageIndex:function(t,e){return"current page determined to be: "+t+" from "+e;}};s.log=function(t,e){if(this.options.debug){var i="[InfiniteScroll] "+t,n=a[t];n&&(i+=". "+n.apply(this,e)),console.log(i);}},s.updateMeasurements=function(){this.windowHeight=t.innerHeight;var e=this.element.getBoundingClientRect();this.top=e.top+t.pageYOffset;},s.updateScroller=function(){var e=this.options.elementScroll;if(!e)return void(this.scroller=t);if(this.scroller=e===!0?this.element:i.getQueryElement(e),!this.scroller)throw"Unable to find elementScroll: "+e;},s.updateGetPath=function(){var t=this.options.path;if(!t)return void console.error("InfiniteScroll path option required. Set as: "+t);var e=typeof t;if("function"==e)return void(this.getPath=t);var i="string"==e&&t.match("{{#}}");return i?void this.updateGetPathTemplate(t):void this.updateGetPathSelector(t);},s.updateGetPathTemplate=function(t){this.getPath=function(){var e=this.pageIndex+1;return t.replace("{{#}}",e);}.bind(this);var e=t.replace("{{#}}","(\\d\\d?\\d?)"),i=new RegExp(e),n=location.href.match(i);n&&(this.pageIndex=parseInt(n[1],10),this.log("pageIndex",[this.pageIndex,"template string"]));};var h=[/^(.*?\/?page\/?)(\d\d?\d?)(.*?$)/,/^(.*?\/?\?page=)(\d\d?\d?)(.*?$)/,/(.*?)(\d\d?\d?)(?!.*\d)(.*?$)/];return s.updateGetPathSelector=function(t){var e=document.querySelector(t);if(!e)return void console.error("Bad InfiniteScroll path option. Next link not found: "+t);for(var i,n,o=e.getAttribute("href"),r=0;o&&r<h.length;r++){n=h[r];var s=o.match(n);if(s){i=s.slice(1);break;}}return i?(this.isPathSelector=!0,this.getPath=function(){var t=this.pageIndex+1;return i[0]+t+i[2];}.bind(this),this.pageIndex=parseInt(i[1],10)-1,void this.log("pageIndex",[this.pageIndex,"next link"])):void console.error("InfiniteScroll unable to parse next link href: "+o);},s.updateGetAbsolutePath=function(){var t=this.getPath(),e=t.match(/^http/)||t.match(/^\//);if(e)return void(this.getAbsolutePath=this.getPath);var i=location.pathname,n=i.substring(0,i.lastIndexOf("/"));this.getAbsolutePath=function(){return n+"/"+this.getPath();};},n.create.hideNav=function(){var t=i.getQueryElement(this.options.hideNav);t&&(t.style.display="none",this.nav=t);},n.destroy.hideNav=function(){this.nav&&(this.nav.style.display="");},s.destroy=function(){this.allOff();for(var t in n.destroy)n.destroy[t].call(this);delete this.element.infiniteScrollGUID,delete r[this.guid],o&&this.$element&&o.removeData(this.element,"infiniteScroll");},n.throttle=function(t,e){e=e||200;var i,n;return function(){var o=+new Date,r=arguments,s=function(){i=o,t.apply(this,r);}.bind(this);i&&o<i+e?(clearTimeout(n),n=setTimeout(s,e)):s();};},n.data=function(t){t=i.getQueryElement(t);var e=t&&t.infiniteScrollGUID;return e&&r[e];},n.setJQuery=function(t){o=t;},i.htmlInit(n,"infinite-scroll"),s._init=function(){},o&&o.bridget&&o.bridget("infiniteScroll",n),n;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/page-load",["./core"],function(i){return e(t,i);}):"object"==typeof module&&module.exports?module.exports=e(t,require("./core")):e(t,t.InfiniteScroll);}(window,function(t,e){function i(t){for(var e=document.createDocumentFragment(),i=0;t&&i<t.length;i++)e.appendChild(t[i]);return e;}function n(t){for(var e=t.querySelectorAll("script"),i=0;i<e.length;i++){var n=e[i],r=document.createElement("script");o(n,r),r.innerHTML=n.innerHTML,n.parentNode.replaceChild(r,n);}}function o(t,e){for(var i=t.attributes,n=0;n<i.length;n++){var o=i[n];e.setAttribute(o.name,o.value);}}function r(t,e,i,n){var o=new XMLHttpRequest;o.open("GET",t,!0),o.responseType=e||"",o.setRequestHeader("X-Requested-With","XMLHttpRequest"),o.onload=function(){if(200==o.status)i(o.response);else{var t=new Error(o.statusText);n(t);}},o.onerror=function(){var e=new Error("Network error requesting "+t);n(e);},o.send();}var s=e.prototype;return e.defaults.loadOnScroll=!0,e.defaults.checkLastPage=!0,e.defaults.responseType="document",e.create.pageLoad=function(){this.canLoad=!0,this.on("scrollThreshold",this.onScrollThresholdLoad),this.on("load",this.checkLastPage),this.options.outlayer&&this.on("append",this.onAppendOutlayer);},s.onScrollThresholdLoad=function(){this.options.loadOnScroll&&this.loadNextPage();},s.loadNextPage=function(){if(!this.isLoading&&this.canLoad){var t=this.getAbsolutePath();this.isLoading=!0;var e=function(e){this.onPageLoad(e,t);}.bind(this),i=function(e){this.onPageError(e,t);}.bind(this);r(t,this.options.responseType,e,i),this.dispatchEvent("request",null,[t]);}},s.onPageLoad=function(t,e){return this.options.append||(this.isLoading=!1),this.pageIndex++,this.loadCount++,this.dispatchEvent("load",null,[t,e]),this.appendNextPage(t,e),t;},s.appendNextPage=function(t,e){var n=this.options.append,o="document"==this.options.responseType;if(o&&n){var r=t.querySelectorAll(n),s=i(r),l=function(){this.appendItems(r,s),this.isLoading=!1,this.dispatchEvent("append",null,[t,e,r]);}.bind(this);this.options.outlayer?this.appendOutlayerItems(s,l):l();}},s.appendItems=function(t,e){t&&t.length&&(e=e||i(t),n(e),this.element.appendChild(e));},s.appendOutlayerItems=function(i,n){var o=e.imagesLoaded||t.imagesLoaded;return o?void o(i,n):(console.error("[InfiniteScroll] imagesLoaded required for outlayer option"),void(this.isLoading=!1));},s.onAppendOutlayer=function(t,e,i){this.options.outlayer.appended(i);},s.checkLastPage=function(t,e){var i=this.options.checkLastPage;if(i){var n=this.options.path;if("function"==typeof n){var o=this.getPath();if(!o)return void this.lastPageReached(t,e);}var r;if("string"==typeof i?r=i:this.isPathSelector&&(r=n),r&&t.querySelector){var s=t.querySelector(r);s||this.lastPageReached(t,e);}}},s.lastPageReached=function(t,e){this.canLoad=!1,this.dispatchEvent("last",null,[t,e]);},s.onPageError=function(t,e){return this.isLoading=!1,this.canLoad=!1,this.dispatchEvent("error",null,[t,e]),t;},e.create.prefill=function(){if(this.options.prefill){var t=this.options.append;if(!t)return void console.error("append option required for prefill. Set as :"+t);this.updateMeasurements(),this.updateScroller(),this.isPrefilling=!0,this.on("append",this.prefill),this.once("error",this.stopPrefill),this.once("last",this.stopPrefill),this.prefill();}},s.prefill=function(){var t=this.getPrefillDistance();this.isPrefilling=t>=0,this.isPrefilling?(this.log("prefill"),this.loadNextPage()):this.stopPrefill();},s.getPrefillDistance=function(){return this.options.elementScroll?this.scroller.clientHeight-this.scroller.scrollHeight:this.windowHeight-this.element.clientHeight;},s.stopPrefill=function(){this.log("stopPrefill"),this.off("append",this.prefill);},e;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/scroll-watch",["./core","fizzy-ui-utils/utils"],function(i,n){return e(t,i,n);}):"object"==typeof module&&module.exports?module.exports=e(t,require("./core"),require("fizzy-ui-utils")):e(t,t.InfiniteScroll,t.fizzyUIUtils);}(window,function(t,e,i){var n=e.prototype;return e.defaults.scrollThreshold=400,e.create.scrollWatch=function(){this.pageScrollHandler=this.onPageScroll.bind(this),this.resizeHandler=this.onResize.bind(this);var t=this.options.scrollThreshold,e=t||0===t;e&&this.enableScrollWatch();},e.destroy.scrollWatch=function(){this.disableScrollWatch();},n.enableScrollWatch=function(){this.isScrollWatching||(this.isScrollWatching=!0,this.updateMeasurements(),this.updateScroller(),this.on("last",this.disableScrollWatch),this.bindScrollWatchEvents(!0));},n.disableScrollWatch=function(){this.isScrollWatching&&(this.bindScrollWatchEvents(!1),delete this.isScrollWatching);},n.bindScrollWatchEvents=function(e){var i=e?"addEventListener":"removeEventListener";this.scroller[i]("scroll",this.pageScrollHandler),t[i]("resize",this.resizeHandler);},n.onPageScroll=e.throttle(function(){var t=this.getBottomDistance();t<=this.options.scrollThreshold&&this.dispatchEvent("scrollThreshold");}),n.getBottomDistance=function(){return this.options.elementScroll?this.getElementBottomDistance():this.getWindowBottomDistance();},n.getWindowBottomDistance=function(){var e=this.top+this.element.clientHeight,i=t.pageYOffset+this.windowHeight;return e-i;},n.getElementBottomDistance=function(){var t=this.scroller.scrollHeight,e=this.scroller.scrollTop+this.scroller.clientHeight;return t-e;},n.onResize=function(){this.updateMeasurements();},i.debounceMethod(e,"onResize",150),e;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/history",["./core","fizzy-ui-utils/utils"],function(i,n){return e(t,i,n);}):"object"==typeof module&&module.exports?module.exports=e(t,require("./core"),require("fizzy-ui-utils")):e(t,t.InfiniteScroll,t.fizzyUIUtils);}(window,function(t,e,i){var n=e.prototype;e.defaults.history="replace";var o=document.createElement("a");return e.create.history=function(){if(this.options.history){o.href=this.getAbsolutePath();var t=o.origin||o.protocol+"//"+o.host,e=t==location.origin;return e?void(this.options.append?this.createHistoryAppend():this.createHistoryPageLoad()):void console.error("[InfiniteScroll] cannot set history with different origin: "+o.origin+" on "+location.origin+" . History behavior disabled.");}},n.createHistoryAppend=function(){this.updateMeasurements(),this.updateScroller(),this.scrollPages=[{top:0,path:location.href,title:document.title}],this.scrollPageIndex=0,this.scrollHistoryHandler=this.onScrollHistory.bind(this),this.unloadHandler=this.onUnload.bind(this),this.scroller.addEventListener("scroll",this.scrollHistoryHandler),this.on("append",this.onAppendHistory),this.bindHistoryAppendEvents(!0);},n.bindHistoryAppendEvents=function(e){var i=e?"addEventListener":"removeEventListener";this.scroller[i]("scroll",this.scrollHistoryHandler),t[i]("unload",this.unloadHandler);},n.createHistoryPageLoad=function(){this.on("load",this.onPageLoadHistory);},e.destroy.history=n.destroyHistory=function(){var t=this.options.history&&this.options.append;t&&this.bindHistoryAppendEvents(!1);},n.onAppendHistory=function(t,e,i){if(i&&i.length){var n=i[0],r=this.getElementScrollY(n);o.href=e,this.scrollPages.push({top:r,path:o.href,title:t.title});}},n.getElementScrollY=function(t){return this.options.elementScroll?this.getElementElementScrollY(t):this.getElementWindowScrollY(t);},n.getElementWindowScrollY=function(e){var i=e.getBoundingClientRect();return i.top+t.pageYOffset;},n.getElementElementScrollY=function(t){return t.offsetTop-this.top;},n.onScrollHistory=function(){for(var t,e,i=this.getScrollViewY(),n=0;n<this.scrollPages.length;n++){var o=this.scrollPages[n];if(o.top>=i)break;t=n,e=o;}t!=this.scrollPageIndex&&(this.scrollPageIndex=t,this.setHistory(e.title,e.path));},i.debounceMethod(e,"onScrollHistory",150),n.getScrollViewY=function(){return this.options.elementScroll?this.scroller.scrollTop+this.scroller.clientHeight/2:t.pageYOffset+this.windowHeight/2;},n.setHistory=function(t,e){var i=this.options.history,n=i&&history[i+"State"];n&&(history[i+"State"](null,t,e),this.options.historyTitle&&(document.title=t),this.dispatchEvent("history",null,[t,e]));},n.onUnload=function(){var e=this.scrollPageIndex;if(0!==e){var i=this.scrollPages[e],n=t.pageYOffset-i.top+this.top;this.destroyHistory(),scrollTo(0,n);}},n.onPageLoadHistory=function(t,e){this.setHistory(t.title,e);},e;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/button",["./core","fizzy-ui-utils/utils"],function(i,n){return e(t,i,n);}):"object"==typeof module&&module.exports?module.exports=e(t,require("./core"),require("fizzy-ui-utils")):e(t,t.InfiniteScroll,t.fizzyUIUtils);}(window,function(t,e,i){function n(t,e){this.element=t,this.infScroll=e,this.clickHandler=this.onClick.bind(this),this.element.addEventListener("click",this.clickHandler),e.on("request",this.disable.bind(this)),e.on("load",this.enable.bind(this)),e.on("error",this.hide.bind(this)),e.on("last",this.hide.bind(this));}return e.create.button=function(){var t=i.getQueryElement(this.options.button);if(t)return void(this.button=new n(t,this));},e.destroy.button=function(){this.button&&this.button.destroy();},n.prototype.onClick=function(t){t.preventDefault(),this.infScroll.loadNextPage();},n.prototype.enable=function(){this.element.removeAttribute("disabled");},n.prototype.disable=function(){this.element.disabled="disabled";},n.prototype.hide=function(){this.element.style.display="none";},n.prototype.destroy=function(){this.element.removeEventListener("click",this.clickHandler);},e.Button=n,e;}),function(t,e){"function"==typeof define&&define.amd?define("infinite-scroll/js/status",["./core","fizzy-ui-utils/utils"],function(i,n){return e(t,i,n);}):"object"==typeof module&&module.exports?module.exports=e(t,require("./core"),require("fizzy-ui-utils")):e(t,t.InfiniteScroll,t.fizzyUIUtils);}(window,function(t,e,i){function n(t){r(t,"none");}function o(t){r(t,"block");}function r(t,e){t&&(t.style.display=e);}var s=e.prototype;return e.create.status=function(){var t=i.getQueryElement(this.options.status);t&&(this.statusElement=t,this.statusEventElements={request:t.querySelector(".infinite-scroll-request"),error:t.querySelector(".infinite-scroll-error"),last:t.querySelector(".infinite-scroll-last")},this.on("request",this.showRequestStatus),this.on("error",this.showErrorStatus),this.on("last",this.showLastStatus),this.bindHideStatus("on"));},s.bindHideStatus=function(t){var e=this.options.append?"append":"load";this[t](e,this.hideAllStatus);},s.showRequestStatus=function(){this.showStatus("request");},s.showErrorStatus=function(){this.showStatus("error");},s.showLastStatus=function(){this.showStatus("last"),this.bindHideStatus("off");},s.showStatus=function(t){o(this.statusElement),this.hideStatusEventElements();var e=this.statusEventElements[t];o(e);},s.hideAllStatus=function(){n(this.statusElement),this.hideStatusEventElements();},s.hideStatusEventElements=function(){for(var t in this.statusEventElements){var e=this.statusEventElements[t];n(e);}},e;}),function(t,e){"function"==typeof define&&define.amd?define(["infinite-scroll/js/core","infinite-scroll/js/page-load","infinite-scroll/js/scroll-watch","infinite-scroll/js/history","infinite-scroll/js/button","infinite-scroll/js/status"],e):"object"==typeof module&&module.exports&&(module.exports=e(require("./core"),require("./page-load"),require("./scroll-watch"),require("./history"),require("./button"),require("./status")));}(window,function(t){return t;}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("imagesloaded/imagesloaded",["ev-emitter/ev-emitter"],function(i){return e(t,i);}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter")):t.imagesLoaded=e(t,t.EvEmitter);}("undefined"!=typeof window?window:this,function(t,e){function i(t,e){for(var i in e)t[i]=e[i];return t;}function n(t){if(Array.isArray(t))return t;var e="object"==typeof t&&"number"==typeof t.length;return e?h.call(t):[t];}function o(t,e,r){if(!(this instanceof o))return new o(t,e,r);var s=t;return"string"==typeof t&&(s=document.querySelectorAll(t)),s?(this.elements=n(s),this.options=i({},this.options),"function"==typeof e?r=e:i(this.options,e),r&&this.on("always",r),this.getImages(),l&&(this.jqDeferred=new l.Deferred),void setTimeout(this.check.bind(this))):void a.error("Bad element for imagesLoaded "+(s||t));}function r(t){this.img=t;}function s(t,e){this.url=t,this.element=e,this.img=new Image;}var l=t.jQuery,a=t.console,h=Array.prototype.slice;o.prototype=Object.create(e.prototype),o.prototype.options={},o.prototype.getImages=function(){this.images=[],this.elements.forEach(this.addElementImages,this);},o.prototype.addElementImages=function(t){"IMG"==t.nodeName&&this.addImage(t),this.options.background===!0&&this.addElementBackgroundImages(t);var e=t.nodeType;if(e&&c[e]){for(var i=t.querySelectorAll("img"),n=0;n<i.length;n++){var o=i[n];this.addImage(o);}if("string"==typeof this.options.background){var r=t.querySelectorAll(this.options.background);for(n=0;n<r.length;n++){var s=r[n];this.addElementBackgroundImages(s);}}}};var c={1:!0,9:!0,11:!0};return o.prototype.addElementBackgroundImages=function(t){var e=getComputedStyle(t);if(e)for(var i=/url\((['"])?(.*?)\1\)/gi,n=i.exec(e.backgroundImage);null!==n;){var o=n&&n[2];o&&this.addBackground(o,t),n=i.exec(e.backgroundImage);}},o.prototype.addImage=function(t){var e=new r(t);this.images.push(e);},o.prototype.addBackground=function(t,e){var i=new s(t,e);this.images.push(i);},o.prototype.check=function(){function t(t,i,n){setTimeout(function(){e.progress(t,i,n);});}var e=this;return this.progressedCount=0,this.hasAnyBroken=!1,this.images.length?void this.images.forEach(function(e){e.once("progress",t),e.check();}):void this.complete();},o.prototype.progress=function(t,e,i){this.progressedCount++,this.hasAnyBroken=this.hasAnyBroken||!t.isLoaded,this.emitEvent("progress",[this,t,e]),this.jqDeferred&&this.jqDeferred.notify&&this.jqDeferred.notify(this,t),this.progressedCount==this.images.length&&this.complete(),this.options.debug&&a&&a.log("progress: "+i,t,e);},o.prototype.complete=function(){var t=this.hasAnyBroken?"fail":"done";if(this.isComplete=!0,this.emitEvent(t,[this]),this.emitEvent("always",[this]),this.jqDeferred){var e=this.hasAnyBroken?"reject":"resolve";this.jqDeferred[e](this);}},r.prototype=Object.create(e.prototype),r.prototype.check=function(){var t=this.getIsImageComplete();return t?void this.confirm(0!==this.img.naturalWidth,"naturalWidth"):(this.proxyImage=new Image,this.proxyImage.addEventListener("load",this),this.proxyImage.addEventListener("error",this),this.img.addEventListener("load",this),this.img.addEventListener("error",this),void(this.proxyImage.src=this.img.src));},r.prototype.getIsImageComplete=function(){return this.img.complete&&this.img.naturalWidth;},r.prototype.confirm=function(t,e){this.isLoaded=t,this.emitEvent("progress",[this,this.img,e]);},r.prototype.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t);},r.prototype.onload=function(){this.confirm(!0,"onload"),this.unbindEvents();},r.prototype.onerror=function(){this.confirm(!1,"onerror"),this.unbindEvents();},r.prototype.unbindEvents=function(){this.proxyImage.removeEventListener("load",this),this.proxyImage.removeEventListener("error",this),this.img.removeEventListener("load",this),this.img.removeEventListener("error",this);},s.prototype=Object.create(r.prototype),s.prototype.check=function(){this.img.addEventListener("load",this),this.img.addEventListener("error",this),this.img.src=this.url;var t=this.getIsImageComplete();t&&(this.confirm(0!==this.img.naturalWidth,"naturalWidth"),this.unbindEvents());},s.prototype.unbindEvents=function(){this.img.removeEventListener("load",this),this.img.removeEventListener("error",this);},s.prototype.confirm=function(t,e){this.isLoaded=t,this.emitEvent("progress",[this,this.element,e]);},o.makeJQueryPlugin=function(e){e=e||t.jQuery,e&&(l=e,l.fn.imagesLoaded=function(t,e){var i=new o(this,t,e);return i.jqDeferred.promise(l(this));});},o.makeJQueryPlugin(),o;});