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ls.optimumx.min.js
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ls.optimumx.min.js
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/*! lazysizes - v2.0.6-rc2 */
!function(a,b,c){"use strict";if(a.addEventListener){var d,e=/^picture$/i,f=b.documentElement,g=function(){var a,b=/(([^,\s].[^\s]+)\s+(\d+)(w|h)(\s+(\d+)(w|h))?)/g,c=function(b,c,d,e,f,g,h,i){a.push({c:c,u:d,w:1*("w"==i?h:e)})};return function(d){return a=[],d.replace(b,c),a}}(),h=function(){var a=function(a,b){return a.w-b.w},b=function(b,c){var d={srcset:b.getAttribute(lazySizes.cfg.srcsetAttr)||""},e=g(d.srcset);return Object.defineProperty(b,c,{value:d,writable:!0}),d.cands=e,d.index=0,d.dirty=!1,e[0]&&e[0].w?(e.sort(a),d.cSrcset=[e[d.index].c]):(d.cSrcset=d.srcset?[d.srcset]:[],d.cands=[]),d};return function(a,c){var d,f,g,h;if(!a[c]&&(h=a.parentNode||{},a[c]=b(a,c),a[c].isImg=!0,e.test(h.nodeName||"")))for(a[c].picture=!0,d=h.getElementsByTagName("source"),f=0,g=d.length;g>f;f++)b(d[f],c).isImg=!1;return a[c]}}(),i={_lazyOptimumx:function(){var a=function(a,b,c){var d,e,f;return a&&a.d?(f=c>.7?.6:.4,a.d>=c?!1:(e=Math.pow(a.d-f,1.6)||.1,.1>e?e=.1:e>3&&(e=3),d=a.d+(b-c)*e,c>d)):!0};return function(b,c,d){var e,f;for(e=0;e<b.cands.length;e++)if(f=b.cands[e],f.d=(f.w||1)/c,!(b.index>=e)){if(!(f.d<=d||a(b.cands[e-1],f.d,d)))break;b.cSrcset.push(f.c),b.index=e}}}()},j=function(){var a=function(a,b,c,d,e){var f,g=a[e];g&&(f=g.index,i[e](g,b,c),g.dirty&&f==g.index||(g.cSrcset.join(", "),a.setAttribute(d,g.cSrcset.join(", ")),g.dirty=!0))};return function(b,c,d,e,f){var g,h,i,j,k=b[f];if(k.width=c,k.picture&&(h=b.parentNode))for(g=h.getElementsByTagName("source"),j=0,i=g.length;i>j;j++)a(g[j],c,d,e,f);a(b,c,d,e,f)}}(),k=function(a){var b=a.getAttribute("data-optimumx")||a.getAttribute("data-maxdpr");return!b&&d.constrainPixelDensity&&(b="auto"),b&&(b="auto"==b?d.getOptimumX(a):parseFloat(b,10)),b},l=function(){a.lazySizes&&!a.lazySizes.getOptimumX&&(lazySizes.getX=k,lazySizes.pWS=g,f.removeEventListener("lazybeforeunveil",l))};f.addEventListener("lazybeforeunveil",l),setTimeout(l),d=a.lazySizes&&lazySizes.cfg||a.lazySizesConfig,d||(d={},a.lazySizesConfig=d),"function"!=typeof d.getOptimumX&&(d.getOptimumX=function(){var b=a.devicePixelRatio||1;return b>2.6?b*=.6:b>1.9?b*=.8:b-=.01,Math.min(Math.round(100*b)/100,2)}),a.devicePixelRatio&&addEventListener("lazybeforesizes",function(a){var b,c,e,f,g=a.target,i=a.detail,l=i.dataAttr;a.defaultPrevented||!(b=k(g))||b>=devicePixelRatio||(!l||!g._lazyOptimumx||i.reloaded||d.unloadedClass&&lazySizes.hC(g,d.unloadedClass)||(g._lazyOptimumx=null),c=h(g,"_lazyOptimumx"),e=i.width,e&&(c.width||0)<e&&(f=l?lazySizes.cfg.srcsetAttr:"srcset",lazySizes.rAF(function(){j(g,e,b,f,"_lazyOptimumx")})))})}}(window,document);