lazysizes-custom.min.js

js omegawatches.com.hk collected 2026-10-04 07:19:46 UTC 16,183 bytes, 48 lines download raw bytes

vendor: 1,429 bytes, lines 1-2

1(function(window,factory){var lazySizes=factory(window,window.document,Date);window.lazySizes=lazySizes;if(typeof module=='object'&&module.exports){module.exports=lazySizes;}}(typeof window!='undefined'?window:{},function l(window,document,Date){'use strict';var lazysizes,lazySizesCfg;(function(){var prop;var lazySizesDefaults={lazyClass:'lazyload',loadedClass:'lazyloaded',loadingClass:'lazyloading',preloadClass:'lazypreload',errorClass:'lazyerror',autosizesClass:'lazyautosizes',srcAttr:'data-src',srcsetAttr:'data-srcset',sizesAttr:'data-sizes',minSize:40,customMedia:{},init:true,expFactor:1.5,hFac:0.8,loadMode:2,loadHidden:true,ricTimeout:0,throttleDelay:125,};lazySizesCfg=window.lazySizesConfig||window.lazysizesConfig||{};for(prop in lazySizesDefaults){if(!(prop in lazySizesCfg)){lazySizesCfg[prop]=lazySizesDefaults[prop];}}})();if(!document||!document.getElementsByClassName){return{init:function(){},cfg:lazySizesCfg,noSupport:true,};}
2var docElem=document.documentElement;var supportPicture=window.HTMLPictureElement;var _addEventListener='addEventListener';var _getAttribute='getAttribute';var addEventListener=window[_addEventListener].bind(window);var setTimeout=window.setTimeout;var requestAnimationFrame=window.requestAnimationFrame||setTimeout;var requestIdleCallback=window.requestIdleCallback;var regPicture=/^picture$/i;var loadEvents=['load','error','lazyincluded','_lazyloaded'];var regClassCache={};

vendor: 10,539 bytes, lines 2-37

2var forEach=Array.prototype.forEach;var hasClass=function(ele,cls){if(!regClassCache[cls]){regClassCache[cls]=new RegExp('(\\s|^)'+cls+'(\\s|$)');}
3return regClassCache[cls].test(ele[_getAttribute]('class')||'')&&regClassCache[cls];};var addClass=function(ele,cls){if(!hasClass(ele,cls)){ele.setAttribute('class',(ele[_getAttribute]('class')||'').trim()+' '+cls);}};var removeClass=function(ele,cls){var reg;if((reg=hasClass(ele,cls))){ele.setAttribute('class',(ele[_getAttribute]('class')||'').replace(reg,' '));}};var addRemoveLoadEvents=function(dom,fn,add){var action=add?_addEventListener:'removeEventListener';if(add){addRemoveLoadEvents(dom,fn);}
4loadEvents.forEach(function(evt){dom[action](evt,fn);});};var triggerEvent=function(elem,name,detail,noBubbles,noCancelable){var event=document.createEvent('Event');if(!detail){detail={};}
5detail.instance=lazysizes;event.initEvent(name,!noBubbles,!noCancelable);event.detail=detail;elem.dispatchEvent(event);return event;};var updatePolyfill=function(el,full){var polyfill;if(!supportPicture&&(polyfill=(window.picturefill||lazySizesCfg.pf))){if(full&&full.src&&!el[_getAttribute]('srcset')){el.setAttribute('srcset',full.src);}
6polyfill({reevaluate:true,elements:[el]});}else if(full&&full.src){el.src=full.src;}};var getCSS=function(elem,style){return(getComputedStyle(elem,null)||{})[style];};var getWidth=function(elem,parent,width){width=width||elem.offsetWidth;while(width<lazySizesCfg.minSize&&parent&&!elem._lazysizesWidth){width=parent.offsetWidth;parent=parent.parentNode;}
7return width;};var rAF=(function(){var running,waiting;var firstFns=[];var secondFns=[];var fns=firstFns;var run=function(){var runFns=fns;fns=firstFns.length?secondFns:firstFns;running=true;waiting=false;while(runFns.length){runFns.shift()();}
8running=false;};var rafBatch=function(fn,queue){if(running&&!queue){fn.apply(this,arguments);}else{fns.push(fn);if(!waiting){waiting=true;(document.hidden?setTimeout:requestAnimationFrame)(run);}}};rafBatch._lsFlush=run;return rafBatch;})();var rAFIt=function(fn,simple){return simple?function(){rAF(fn);}:function(){var that=this;var args=arguments;rAF(function(){fn.apply(that,args);});};};var throttle=function(fn){var running;var lastTime=0;var gDelay=lazySizesCfg.throttleDelay;var rICTimeout=lazySizesCfg.ricTimeout;var run=function(){running=false;lastTime=Date.now();fn();};var idleCallback=requestIdleCallback&&rICTimeout>49?function(){requestIdleCallback(run,{timeout:rICTimeout});if(rICTimeout!==lazySizesCfg.ricTimeout){rICTimeout=lazySizesCfg.ricTimeout;}}:rAFIt(function(){setTimeout(run);},true);return function(isPriority){var delay;if((isPriority=isPriority===true)){rICTimeout=33;}
9if(running){return;}
10running=true;delay=gDelay-(Date.now()-lastTime);if(delay<0){delay=0;}
11if(isPriority||delay<9){idleCallback();}else{setTimeout(idleCallback,delay);}};};var debounce=function(func){var timeout,timestamp;var wait=99;var run=function(){timeout=null;func();};var later=function(){var last=Date.now()-timestamp;if(last<wait){setTimeout(later,wait-last);}else{(requestIdleCallback||run)(run);}};return function(){timestamp=Date.now();if(!timeout){timeout=setTimeout(later,wait);}};};var loader=(function(){var preloadElems,isCompleted,resetPreloadingTimer,loadMode,started;var eLvW,elvH,eLtop,eLleft,eLright,eLbottom,isBodyHidden;var regImg=/^img$/i;var regIframe=/^iframe$/i;var supportScroll=('onscroll'in window)&&!(/(gle|ing)bot/.test(navigator.userAgent));var shrinkExpand=0;var currentExpand=0;var isLoading=0;var lowRuns=-1;var resetPreloading=function(e){isLoading--;if(!e||isLoading<0||!e.target){isLoading=0;}};var isVisible=function(elem){if(isBodyHidden==null){isBodyHidden=getCSS(document.body,'visibility')=='hidden';}
12return isBodyHidden||!(getCSS(elem.parentNode,'visibility')=='hidden'&&getCSS(elem,'visibility')=='hidden');};var isNestedVisible=function(elem,elemExpand){var outerRect;var parent=elem;var visible=isVisible(elem);eLtop-=elemExpand;eLbottom+=elemExpand;eLleft-=elemExpand;eLright+=elemExpand;while(visible&&(parent=parent.offsetParent)&&parent!=document.body&&parent!=docElem){visible=((getCSS(parent,'opacity')||1)>0);if(visible&&getCSS(parent,'overflow')!='visible'){outerRect=parent.getBoundingClientRect();visible=eLright>outerRect.left&&eLleft<outerRect.right&&eLbottom>outerRect.top-1&&eLtop<outerRect.bottom+1;}}
13return visible;};var checkElements=function(){var eLlen,i,rect,autoLoadElem,loadedSomething,elemExpand,elemNegativeExpand,elemExpandVal,beforeExpandVal,defaultExpand,preloadExpand,hFac;var lazyloadElems=lazysizes.elements;if((loadMode=lazySizesCfg.loadMode)&&isLoading<8&&(eLlen=lazyloadElems.length)){i=0;lowRuns++;for(;i<eLlen;i++){if(!lazyloadElems[i]||lazyloadElems[i]._lazyRace){continue;}
14if(!supportScroll||(lazysizes.prematureUnveil&&lazysizes.prematureUnveil(lazyloadElems[i]))){unveilElement(lazyloadElems[i]);continue;}
15if(!(elemExpandVal=lazyloadElems[i][_getAttribute]('data-expand'))||!(elemExpand=elemExpandVal*1)){elemExpand=currentExpand;}
16if(!defaultExpand){defaultExpand=(!lazySizesCfg.expand||lazySizesCfg.expand<1)?docElem.clientHeight>500&&docElem.clientWidth>500?500:370:lazySizesCfg.expand;lazysizes._defEx=defaultExpand;preloadExpand=defaultExpand*lazySizesCfg.expFactor;hFac=lazySizesCfg.hFac;isBodyHidden=null;if(currentExpand<preloadExpand&&isLoading<1&&lowRuns>2&&loadMode>2&&!document.hidden){currentExpand=preloadExpand;lowRuns=0;}else if(loadMode>1&&lowRuns>1&&isLoading<6){currentExpand=defaultExpand;}else{currentExpand=shrinkExpand;}}
17if(beforeExpandVal!==elemExpand){eLvW=innerWidth+(elemExpand*hFac);elvH=innerHeight+elemExpand;elemNegativeExpand=elemExpand*-1;beforeExpandVal=elemExpand;}
18rect=lazyloadElems[i].getBoundingClientRect();if((eLbottom=rect.bottom)>=elemNegativeExpand&&(eLtop=rect.top)<=elvH&&(eLright=rect.right)>=elemNegativeExpand*hFac&&(eLleft=rect.left)<=eLvW&&(eLbottom||eLright||eLleft||eLtop)&&(lazySizesCfg.loadHidden||isVisible(lazyloadElems[i]))&&((isCompleted&&isLoading<3&&!elemExpandVal&&(loadMode<3||lowRuns<4))||isNestedVisible(lazyloadElems[i],elemExpand))){unveilElement(lazyloadElems[i]);loadedSomething=true;if(isLoading>9){break;}}else if(!loadedSomething&&isCompleted&&!autoLoadElem&&isLoading<4&&lowRuns<4&&loadMode>2&&(preloadElems[0]||lazySizesCfg.preloadAfterLoad)&&(preloadElems[0]||(!elemExpandVal&&((eLbottom||eLright||eLleft||eLtop)||lazyloadElems[i][_getAttribute](lazySizesCfg.sizesAttr)!='auto')))){autoLoadElem=preloadElems[0]||lazyloadElems[i];}}
19if(autoLoadElem&&!loadedSomething){unveilElement(autoLoadElem);}}};var throttledCheckElements=throttle(checkElements);var switchLoadingClass=function(e){var elem=e.target,parent=elem.parentNode;if(elem._lazyCache){delete elem._lazyCache;return;}
20resetPreloading(e);addClass(elem,lazySizesCfg.loadedClass);removeClass(elem,lazySizesCfg.loadingClass);addRemoveLoadEvents(elem,rafSwitchLoadingClass);if(hasClass(parent,'ow-mod__lazy-picture')){parent.style.paddingTop='';removeClass(parent,'_wait');}
21triggerEvent(elem,'lazyloaded');};var rafedSwitchLoadingClass=rAFIt(switchLoadingClass);var rafSwitchLoadingClass=function(e){rafedSwitchLoadingClass({target:e.target});};var changeIframeSrc=function(elem,src){try{elem.contentWindow.location.replace(src);}catch(e){elem.src=src;}};var handleSources=function(source){var customMedia;var sourceSrcset=source[_getAttribute](lazySizesCfg.srcsetAttr);if((customMedia=lazySizesCfg.customMedia[source[_getAttribute]('data-media')||source[_getAttribute]('media')])){source.setAttribute('media',customMedia);}
22if(sourceSrcset){source.setAttribute('srcset',sourceSrcset);}};var lazyUnveil=rAFIt(function(elem,detail,isAuto,sizes,isImg){var src,srcset,parent,isPicture,event,firesLoad;if(!(event=triggerEvent(elem,'lazybeforeunveil',detail)).defaultPrevented){if(sizes){if(isAuto){addClass(elem,lazySizesCfg.autosizesClass);}else{elem.setAttribute('sizes',sizes);}}
23srcset=elem[_getAttribute](lazySizesCfg.srcsetAttr);src=elem[_getAttribute](lazySizesCfg.srcAttr);if(isImg){parent=elem.parentNode;isPicture=parent&&regPicture.test(parent.nodeName||'');}
24firesLoad=detail.firesLoad||(('src'in elem)&&(srcset||src||isPicture));event={target:elem};addClass(elem,lazySizesCfg.loadingClass);if(firesLoad){clearTimeout(resetPreloadingTimer);resetPreloadingTimer=setTimeout(resetPreloading,2500);addRemoveLoadEvents(elem,rafSwitchLoadingClass,true);}
25if(isPicture){forEach.call(parent.getElementsByTagName('source'),handleSources);}
26if(srcset){elem.setAttribute('srcset',srcset);}else if(src&&!isPicture){if(regIframe.test(elem.nodeName)){changeIframeSrc(elem,src);}else{elem.src=src;}}
27if(isImg&&(srcset||isPicture)){updatePolyfill(elem,{src:src});}}
28if(elem._lazyRace){delete elem._lazyRace;}
29removeClass(elem,lazySizesCfg.lazyClass);rAF(function(){var isLoaded=elem.complete&&elem.naturalWidth>1;if(!firesLoad||isLoaded){if(isLoaded){addClass(elem,'ls-is-cached');}
30switchLoadingClass(event);elem._lazyCache=true;setTimeout(function(){if('_lazyCache'in elem){delete elem._lazyCache;}},9);}
31if(elem.loading=='lazy'){isLoading--;}},true);});var unveilElement=function(elem){if(elem._lazyRace){return;}
32var detail;var isImg=regImg.test(elem.nodeName);var sizes=isImg&&(elem[_getAttribute](lazySizesCfg.sizesAttr)||elem[_getAttribute]('sizes'));var isAuto=sizes=='auto';if((isAuto||!isCompleted)&&isImg&&(elem[_getAttribute]('src')||elem.srcset)&&!elem.complete&&!hasClass(elem,lazySizesCfg.errorClass)&&hasClass(elem,lazySizesCfg.lazyClass)){return;}
33detail=triggerEvent(elem,'lazyunveilread').detail;if(isAuto){autoSizer.updateElem(elem,true,elem.offsetWidth);}
34elem._lazyRace=true;isLoading++;lazyUnveil(elem,detail,isAuto,sizes,isImg);};var afterScroll=debounce(function(){lazySizesCfg.loadMode=3;throttledCheckElements();});var altLoadmodeScrollListner=function(){if(lazySizesCfg.loadMode==3){lazySizesCfg.loadMode=2;}
35afterScroll();};var onload=function(){if(isCompleted){return;}
36if(Date.now()-started<999){setTimeout(onload,999);return;}
37isCompleted=true;lazySizesCfg.loadMode=3;throttledCheckElements();addEventListener('scroll',altLoadmodeScrollListner,true);};return{_:function(){started=Date.now();lazysizes.elements=document.getElementsByClassName(lazySizesCfg.lazyClass);preloadElems=document.getElementsByClassName(lazySizesCfg.lazyClass+' '+lazySizesCfg.preloadClass);addEventListener('scroll',throttledCheckElements,true);addEventListener('resize',throttledCheckElements,true);addEventListener('pageshow',function(e){if(e.persisted){var loadingElements=document.querySelectorAll('.'+lazySizesCfg.loadingClass);

37if(loadingElements.length&&loadingElements.forEach){requestAnimationFrame(function(){loadingElements.forEach(function(img){if(img.complete){unveilElement(img);}});});}}});if(window.MutationObserver){new MutationObserver(throttledCheckElements).observe(docElem,{childList:true,subtree:true,attributes:true});}else{docElem[_addEventListener]('DOMNodeInserted',throttledCheckElements,true);docElem[_addEventListener]('DOMAttrModified',throttledCheckElements,true);setInterval(throttledCheckElements,999);}
38addEventListener('hashchange',throttledCheckElements,true);['focus','mouseover','click','load','transitionend','animationend'].forEach(function(name){document[_addEventListener](name,throttledCheckElements,true);});if((/d$|^c/.test(document.readyState))){onload();}else{addEventListener('load',onload);document[_addEventListener]('DOMContentLoaded',throttledCheckElements);setTimeout(onload,20000);}
39if(lazysizes.elements.length){checkElements();rAF._lsFlush();}else{throttledCheckElements();}},checkElems:throttledCheckElements,unveil:unveilElement,_aLSL:altLoadmodeScrollListner};})();var autoSizer=(function(){var autosizesElems;var sizeCustom=function(elem,parent,sources){var i,source,ratio;if(hasClass(elem,lazySizesCfg.loadedClass)){return;}
40for(i=sources.length,i>=0;i--;){if(sources[i].media&&window.matchMedia(sources[i].media).matches){source=sources[i];}}
41if(source&&source.dataset&&source.dataset.width&&source.dataset.height){ratio=Math.floor(source.dataset.height / source.dataset.width*10000)/ 100;addClass(parent,'_wait');parent.style.paddingTop=ratio+"%";}};var sizeElement=rAFIt(function(elem,parent,event,width){var sources,i,len;elem._lazysizesWidth=width;width+='px';elem.setAttribute('sizes',width);if(regPicture.test(parent.nodeName||'')){sources=parent.getElementsByTagName('source');for(i=0,len=sources.length;i<len;i++){sources[i].setAttribute('sizes',width);}}
42if(sources&&hasClass(elem.parentNode,'ow-mod__lazy-picture')){sizeCustom(elem,elem.parentNode,sources);}
43if(event&&!event.detail.dataAttr){updatePolyfill(elem,event.detail);}});var getSizeElement=function(elem,dataAttr,width){var event;var parent=elem.parentNode;if(parent){width=getWidth(elem,parent,width);event=triggerEvent(elem,'lazybeforesizes',{width:width,dataAttr:!!dataAttr});if(!event.defaultPrevented){width=event.detail.width;if(width&&width!==elem._lazysizesWidth){sizeElement(elem,parent,event,width);}}}};var updateElementsSizes=function(){var i;var len=autosizesElems.length;if(len){i=0;for(;i<len;i++){getSizeElement(autosizesElems[i]);}}};var debouncedUpdateElementsSizes=debounce(updateElementsSizes);return{_:function(){autosizesElems=document.getElementsByClassName(lazySizesCfg.autosizesClass);addEventListener('resize',debouncedUpdateElementsSizes);},checkElems:debouncedUpdateElementsSizes,updateElem:getSizeElement};})();var init=function(){if(!init.i&&document.getElementsByClassName){init.i=true;autoSizer._();loader._();}};setTimeout(function(){if(lazySizesCfg.init){init();autoSizer.checkElems();}});lazysizes={cfg:lazySizesCfg,autoSizer:autoSizer,loader:loader,init:init,uP:updatePolyfill,aC:addClass,rC:removeClass,hC:hasClass,fire:triggerEvent,gW:getWidth,rAF:rAF,};return lazysizes;}));function applyBackgroundLazyLoad(element){if(!element.hasAttribute('data-bg')){return;}
44let attrs=element.attributes,sizes={},responsive=false,timerResize=0,bg=element.getAttribute('data-bg');for(let i=0;i<attrs.length;i++){if(attrs[i].name.lastIndexOf('data-bg-',0)===0){let key=parseInt(attrs[i].name.substring(8));if(key&&key>0){sizes[key]=attrs[i].value;}}}
45if(Object.keys(sizes).length){let width=window.innerWidth;responsive=true;Object.keys(sizes).forEach(function(key,val){if(width>parseInt(key)){if(sizes.hasOwnProperty(key)&&sizes[key]!==''){bg=sizes[key];}}});}
46if(bg&&element.style.backgroundImage!==bg){element.style.backgroundImage='url('+bg+')';}
47if(responsive&&!element.hasAttribute('data-bg-resize')){element.setAttribute('data-bg-resize',1);window.addEventListener('resize',function(e){clearTimeout(timerResize);timerResize=setTimeout(function(){applyBackgroundLazyLoad(element);},100);});}}
48document.addEventListener('lazybeforeunveil',function(e){applyBackgroun

48dLazyLoad(e.target);});

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