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ls.bgset.min.js
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/*! lazysizes - v4.1.5 */
!function(a,b){var c=function(){b(a.lazySizes),a.removeEventListener("lazyunveilread",c,!0)};b=b.bind(null,a,a.document),"object"==typeof module&&module.exports?b(require("lazysizes")):a.lazySizes?c():a.addEventListener("lazyunveilread",c,!0)}(window,function(a,b,c){"use strict";if(a.addEventListener){var d=/\s+/g,e=/\s*\|\s+|\s+\|\s*/g,f=/^(.+?)(?:\s+\[\s*(.+?)\s*\])(?:\s+\[\s*(.+?)\s*\])?$/,g=/^\s*\(*\s*type\s*:\s*(.+?)\s*\)*\s*$/,h=/\(|\)|'/,i={contain:1,cover:1},j=function(a){var b=c.gW(a,a.parentNode);return(!a._lazysizesWidth||b>a._lazysizesWidth)&&(a._lazysizesWidth=b),a._lazysizesWidth},k=function(a){var b;return b=(getComputedStyle(a)||{getPropertyValue:function(){}}).getPropertyValue("background-size"),!i[b]&&i[a.style.backgroundSize]&&(b=a.style.backgroundSize),b},l=function(a,b){if(b){var c=b.match(g);c&&c[1]?a.setAttribute("type",c[1]):a.setAttribute("media",lazySizesConfig.customMedia[b]||b)}},m=function(a,c,g){var h=b.createElement("picture"),i=c.getAttribute(lazySizesConfig.sizesAttr),j=c.getAttribute("data-ratio"),k=c.getAttribute("data-optimumx");c._lazybgset&&c._lazybgset.parentNode==c&&c.removeChild(c._lazybgset),Object.defineProperty(g,"_lazybgset",{value:c,writable:!0}),Object.defineProperty(c,"_lazybgset",{value:h,writable:!0}),a=a.replace(d," ").split(e),h.style.display="none",g.className=lazySizesConfig.lazyClass,1!=a.length||i||(i="auto"),a.forEach(function(a){var c,d=b.createElement("source");i&&"auto"!=i&&d.setAttribute("sizes",i),(c=a.match(f))?(d.setAttribute(lazySizesConfig.srcsetAttr,c[1]),l(d,c[2]),l(d,c[3])):d.setAttribute(lazySizesConfig.srcsetAttr,a),h.appendChild(d)}),i&&(g.setAttribute(lazySizesConfig.sizesAttr,i),c.removeAttribute(lazySizesConfig.sizesAttr),c.removeAttribute("sizes")),k&&g.setAttribute("data-optimumx",k),j&&g.setAttribute("data-ratio",j),h.appendChild(g),c.appendChild(h)},n=function(a){if(a.target._lazybgset){var b=a.target,d=b._lazybgset,e=b.currentSrc||b.src;if(e){var f=c.fire(d,"bgsetproxy",{src:e,useSrc:h.test(e)?JSON.stringify(e):e});f.defaultPrevented||(d.style.backgroundImage="url("+f.detail.useSrc+")")}b._lazybgsetLoading&&(c.fire(d,"_lazyloaded",{},!1,!0),delete b._lazybgsetLoading)}};addEventListener("lazybeforeunveil",function(a){var d,e,f;!a.defaultPrevented&&(d=a.target.getAttribute("data-bgset"))&&(f=a.target,e=b.createElement("img"),e.alt="",e._lazybgsetLoading=!0,a.detail.firesLoad=!0,m(d,f,e),setTimeout(function(){c.loader.unveil(e),c.rAF(function(){c.fire(e,"_lazyloaded",{},!0,!0),e.complete&&n({target:e})})}))}),b.addEventListener("load",n,!0),a.addEventListener("lazybeforesizes",function(a){if(a.detail.instance==c&&a.target._lazybgset&&a.detail.dataAttr){var b=a.target._lazybgset,d=k(b);i[d]&&(a.target._lazysizesParentFit=d,c.rAF(function(){a.target.setAttribute("data-parent-fit",d),a.target._lazysizesParentFit&&delete a.target._lazysizesParentFit}))}},!0),b.documentElement.addEventListener("lazybeforesizes",function(a){!a.defaultPrevented&&a.target._lazybgset&&a.detail.instance==c&&(a.detail.width=j(a.target._lazybgset))})}});