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Lazy Loading Shopify Images
/*! lazysizes - v4.1.7 */
!function(a,b){var c=b(a,a.document);a.lazySizes=c,"object"==typeof module&&module.exports&&(module.exports=c)}(window,function(a,b){"use strict";if(b.getElementsByClassName){var c,d,e=b.documentElement,f=a.Date,g=a.HTMLPictureElement,h="addEventListener",i="getAttribute",j=a[h],k=a.setTimeout,l=a.requestAnimationFrame||k,m=a.requestIdleCallback,n=/^picture$/i,o=["load","error","lazyincluded","_lazyloaded"],p={},q=Array.prototype.forEach,r=function(a,b){return p[b]||(p[b]=new RegExp("(\\s|^)"+b+"(\\s|$)")),p[b].test(a[i]("class")||"")&&p[b]},s=function(a,b){r(a,b)||a.setAttribute("class",(a[i]("class")||"").trim()+" "+b)},t=function(a,b){var c;(c=r(a,b))&&a.setAttribute("class",(a[i]("class")||"").replace(c," "))},u=function(a,b,c){var d=c?h:"removeEventListener";c&&u(a,b),o.forEach(function(c){a[d](c,b)})},v=function(a,d,e,f,g){var h=b.createEvent("Event");return e||(e={}),e.instance=c,h.initEvent(d,!f,!g),h.detail=e,a.dispatchEvent(h),h},w=function(b,c){var e;!g&&(e=a.picturefill||d.pf)?(c&&c.src&&!b[i]("srcset")&&b.setAttribute("srcset",c.src),e({reevaluate:!0,elements:[b]})):c&&c.src&&(b.src=c.src)},x=function(a,b){return(getComputedStyle(a,null)||{})[b]},y=function(a,b,c){for(c=c||a.offsetWidth;c<d.minSize&&b&&!a._lazysizesWidth;)c=b.offsetWidth,b=b.parentNode;return c},z=function(){var a,c,d=[],e=[],f=d,g=function(){var b=f;for(f=d.length?e:d,a=!0,c=!1;b.length;)b.shift()();a=!1},h=function(d,e){a&&!e?d.apply(this,arguments):(f.push(d),c||(c=!0,(b.hidden?k:l)(g)))};return h._lsFlush=g,h}(),A=function(a,b){return b?function(){z(a)}:function(){var b=this,c=arguments;z(function(){a.apply(b,c)})}},B=function(a){var b,c=0,e=d.throttleDelay,g=d.ricTimeout,h=function(){b=!1,c=f.now(),a()},i=m&&g>49?function(){m(h,{timeout:g}),g!==d.ricTimeout&&(g=d.ricTimeout)}:A(function(){k(h)},!0);return function(a){var d;(a=!0===a)&&(g=33),b||(b=!0,d=e-(f.now()-c),d<0&&(d=0),a||d<9?i():k(i,d))}},C=function(a){var 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d,f=a,g=S(a);for(F-=c,I+=c,G-=c,H+=c;g&&(f=f.offsetParent)&&f!=b.body&&f!=e;)(g=(x(f,"opacity")||1)>0)&&"visible"!=x(f,"overflow")&&(d=f.getBoundingClientRect(),g=H>d.left&&G<d.right&&I>d.top-1&&F<d.bottom+1);return g},U=function(){var a,f,h,j,k,m,n,p,q,r,s,t,u=c.elements;if((o=d.loadMode)&&P<8&&(a=u.length)){for(f=0,Q++,r=!d.expand||d.expand<1?e.clientHeight>500&&e.clientWidth>500?500:370:d.expand,c._defEx=r,s=r*d.expFactor,t=d.hFac,J=null,O<s&&P<1&&Q>2&&o>2&&!b.hidden?(O=s,Q=0):O=o>1&&Q>1&&P<6?r:N;f<a;f++)if(u[f]&&!u[f]._lazyRace)if(M)if((p=u[f][i]("data-expand"))&&(m=1*p)||(m=O),q!==m&&(y=innerWidth+m*t,D=innerHeight+m,n=-1*m,q=m),h=u[f].getBoundingClientRect(),(I=h.bottom)>=n&&(F=h.top)<=D&&(H=h.right)>=n*t&&(G=h.left)<=y&&(I||H||G||F)&&(d.loadHidden||S(u[f]))&&(l&&P<3&&!p&&(o<3||Q<4)||T(u[f],m))){if(aa(u[f]),k=!0,P>9)break}else!k&&l&&!j&&P<4&&Q<4&&o>2&&(g[0]||d.preloadAfterLoad)&&(g[0]||!p&&(I||H||G||F||"auto"!=u[f][i](d.sizesAttr)))&&(j=g[0]||u[f]);else aa(u[f]);j&&!k&&aa(j)}},V=B(U),W=function(a){var b=a.target;if(b._lazyCache)return void delete b._lazyCache;R(a),s(b,d.loadedClass),t(b,d.loadingClass),u(b,Y),v(b,"lazyloaded")},X=A(W),Y=function(a){X({target:a.target})},Z=function(a,b){try{a.contentWindow.location.replace(b)}catch(c){a.src=b}},$=function(a){var b,c=a[i](d.srcsetAttr);(b=d.customMedia[a[i]("data-media")||a[i]("media")])&&a.setAttribute("media",b),c&&a.setAttribute("srcset",c)},_=A(function(a,b,c,e,f){var g,h,j,l,o,p;(o=v(a,"lazybeforeunveil",b)).defaultPrevented||(e&&(c?s(a,d.autosizesClass):a.setAttribute("sizes",e)),h=a[i](d.srcsetAttr),g=a[i](d.srcAttr),f&&(j=a.parentNode,l=j&&n.test(j.nodeName||"")),p=b.firesLoad||"src"in a&&(h||g||l),o={target:a},s(a,d.loadingClass),p&&(clearTimeout(m),m=k(R,2500),u(a,Y,!0)),l&&q.call(j.getElementsByTagName("source"),$),h?a.setAttribute("srcset",h):g&&!l&&(L.test(a.nodeName)?Z(a,g):a.src=g),f&&(h||l)&&w(a,{src:g})),a._lazyRace&&delete a._lazyRace,t(a,d.lazyClass),z(function(){(!p||a.complete&&a.naturalWidth>1)&&(W(o),a._lazyCache=!0,k(function(){"_lazyCache"in a&&delete a._lazyCache},9))},!0)}),aa=function(a){var b,c=K.test(a.nodeName),e=c&&(a[i](d.sizesAttr)||a[i]("sizes")),f="auto"==e;(!f&&l||!c||!a[i]("src")&&!a.srcset||a.complete||r(a,d.errorClass)||!r(a,d.lazyClass))&&(b=v(a,"lazyunveilread").detail,f&&E.updateElem(a,!0,a.offsetWidth),a._lazyRace=!0,P++,_(a,b,f,e,c))},ba=function(){if(!l){if(f.now()-p<999)return void k(ba,999);var a=C(function(){d.loadMode=3,V()});l=!0,d.loadMode=3,V(),j("scroll",function(){3==d.loadMode&&(d.loadMode=2),a()},!0)}};return{_:function(){p=f.now(),c.elements=b.getElementsByClassName(d.lazyClass),g=b.getElementsByClassName(d.lazyClass+" "+d.preloadClass),j("scroll",V,!0),j("resize",V,!0),a.MutationObserver?new MutationObserver(V).observe(e,{childList:!0,subtree:!0,attributes:!0}):(e[h]("DOMNodeInserted",V,!0),e[h]("DOMAttrModified",V,!0),setInterval(V,999)),j("hashchange",V,!0),["focus","mouseover","click","load","transitionend","animationend","webkitAnimationEnd"].forEach(function(a){b[h](a,V,!0)}),/d$|^c/.test(b.readyState)?ba():(j("load",ba),b[h]("DOMContentLoaded",V),k(ba,2e4)),c.elements.length?(U(),z._lsFlush()):V()},checkElems:V,unveil:aa}}(),E=function(){var a,c=A(function(a,b,c,d){var e,f,g;if(a._lazysizesWidth=d,d+="px",a.setAttribute("sizes",d),n.test(b.nodeName||""))for(e=b.getElementsByTagName("source"),f=0,g=e.length;f<g;f++)e[f].setAttribute("sizes",d);c.detail.dataAttr||w(a,c.detail)}),e=function(a,b,d){var e,f=a.parentNode;f&&(d=y(a,f,d),e=v(a,"lazybeforesizes",{width:d,dataAttr:!!b}),e.defaultPrevented||(d=e.detail.width)&&d!==a._lazysizesWidth&&c(a,f,e,d))},f=function(){var b,c=a.length;if(c)for(b=0;b<c;b++)e(a[b])},g=C(f);return{_:function(){a=b.getElementsByClassName(d.autosizesClass),j("resize",g)},checkElems:g,updateElem:e}}(),F=function(){F.i||(F.i=!0,E._(),D._())};return c={cfg:d,autoSizer:E,loader:D,init:F,uP:w,aC:s,rC:t,hC:r,fire:v,gW:y,rAF:z}}});
// Lazy Sizes RIAS Plugin
!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";function d(b,c){var d,e,f,g,h=a.getComputedStyle(b);e=b.parentNode,g={isPicture:!(!e||!m.test(e.nodeName||""))},f=function(a,c){var d=b.getAttribute("data-"+a);if(!d){var e=h.getPropertyValue("--ls-"+a);e&&(d=e.trim())}if(d){if("true"==d)d=!0;else if("false"==d)d=!1;else if(l.test(d))d=parseFloat(d);else if("function"==typeof j[a])d=j[a](b,d);else if(q.test(d))try{d=JSON.parse(d)}catch(a){}g[a]=d}else a in j&&"function"!=typeof j[a]?g[a]=j[a]:c&&"function"==typeof j[a]&&(g[a]=j[a](b,d))};for(d in j)f(d);return c.replace(p,function(a,b){b in g||f(b,!0)}),g}function e(a,b){var c=[],d=function(a,c){return k[typeof b[c]]?b[c]:a};return c.srcset=[],b.absUrl&&(s.setAttribute("href",a),a=s.href),a=((b.prefix||"")+a+(b.postfix||"")).replace(p,d),b.widths.forEach(function(d){var e=b.widthmap[d]||d,f=b.aspectratio||b.ratio,g=!b.aspectratio&&j.traditionalRatio,h={u:a.replace(n,e).replace(o,f?g?Math.round(d*f):Math.round(d/f):""),w:d};c.push(h),c.srcset.push(h.c=h.u+" "+d+"w")}),c}function f(a,c,d){var f=0,g=0,h=d;if(a){if("container"===c.ratio){for(f=h.scrollWidth,g=h.scrollHeight;!(f&&g||h===b);)h=h.parentNode,f=h.scrollWidth,g=h.scrollHeight;f&&g&&(c.ratio=g/f)}a=e(a,c),a.isPicture=c.isPicture,u&&"IMG"==d.nodeName.toUpperCase()?d.removeAttribute(i.srcsetAttr):d.setAttribute(i.srcsetAttr,a.srcset.join(", ")),Object.defineProperty(d,"_lazyrias",{value:a,writable:!0})}}function g(a,b){var e=d(a,b);return j.modifyOptions.call(a,{target:a,details:e,detail:e}),c.fire(a,"lazyriasmodifyoptions",e),e}function h(a){return a.getAttribute(a.getAttribute("data-srcattr")||j.srcAttr)||a.getAttribute(i.srcsetAttr)||a.getAttribute(i.srcAttr)||a.getAttribute("data-pfsrcset")||""}var i,j,k={string:1,number:1},l=/^\-*\+*\d+\.*\d*$/,m=/^picture$/i,n=/\s*\{\s*width\s*\}\s*/i,o=/\s*\{\s*height\s*\}\s*/i,p=/\s*\{\s*([a-z0-9]+)\s*\}\s*/gi,q=/^\[.*\]|\{.*\}$/,r=/^(?:auto|\d+(px)?)$/,s=b.createElement("a"),t=b.createElement("img"),u="srcset"in t&&!("sizes"in t),v=!!a.HTMLPictureElement&&!u;!function(){var b,d=function(){},e={prefix:"",postfix:"",srcAttr:"data-src",absUrl:!1,modifyOptions:d,widthmap:{},ratio:!1,traditionalRatio:!1,aspectratio:!1};i=c&&c.cfg||a.lazySizesConfig,i||(i={},a.lazySizesConfig=i),i.supportsType||(i.supportsType=function(a){return!a}),i.rias||(i.rias={}),"widths"in(j=i.rias)||(j.widths=[],function(a){for(var b,c=0;!b||b<3e3;)c+=5,c>30&&(c+=1),b=36*c,a.push(b)}(j.widths));for(b in e)b in j||(j[b]=e[b])}(),addEventListener("lazybeforesizes",function(a){if(a.detail.instance==c){var b,d,e,k,l,m,o,p,q,s,t,u,x;if(b=a.target,a.detail.dataAttr&&!a.defaultPrevented&&!j.disabled&&(q=b.getAttribute(i.sizesAttr)||b.getAttribute("sizes"))&&r.test(q)){if(d=h(b),e=g(b,d),t=n.test(e.prefix)||n.test(e.postfix),e.isPicture&&(k=b.parentNode))for(l=k.getElementsByTagName("source"),m=0,o=l.length;m<o;m++)(t||n.test(p=h(l[m])))&&(f(p,e,l[m]),u=!0);t||n.test(d)?(f(d,e,b),u=!0):u&&(x=[],x.srcset=[],x.isPicture=!0,Object.defineProperty(b,"_lazyrias",{value:x,writable:!0})),u&&(v?b.removeAttribute(i.srcAttr):"auto"!=q&&(s={width:parseInt(q,10)},w({target:b,detail:s})))}}},!0);var w=function(){var d=function(a,b){return a.w-b.w},e=function(a){var b,c,d=a.length,e=a[d-1],f=0;for(f;f<d;f++)if(e=a[f],e.d=e.w/a.w,e.d>=a.d){!e.cached&&(b=a[f-1])&&b.d>a.d-.13*Math.pow(a.d,2.2)&&(c=Math.pow(b.d-.6,1.6),b.cached&&(b.d+=.15*c),b.d+(e.d-a.d)*c>a.d&&(e=b));break}return e},f=function(a,b){var d;return!a._lazyrias&&c.pWS&&(d=c.pWS(a.getAttribute(i.srcsetAttr||""))).length&&(Object.defineProperty(a,"_lazyrias",{value:d,writable:!0}),b&&a.parentNode&&(d.isPicture="PICTURE"==a.parentNode.nodeName.toUpperCase())),a._lazyrias},g=function(b){var d=a.devicePixelRatio||1,e=c.getX&&c.getX(b);return Math.min(e||d,2.4,d)},h=function(b,c){var h,i,j,k,l,m;if(l=b._lazyrias,l.isPicture&&a.matchMedia)for(i=0,h=b.parentNode.getElementsByTagName("source"),j=h.length;i<j;i++)if(f(h[i])&&!h[i].getAttribute("type")&&(!(k=h[i].getAttribute("media"))||(matchMedia(k)||{}).matches)){l=h[i]._lazyrias;break}return(!l.w||l.w<c)&&(l.w=c,l.d=g(b),m=e(l.sort(d))),m},j=function(d){if(d.detail.instance==c){var e,g=d.target;if(!u&&(a.respimage||a.picturefill||lazySizesConfig.pf))return void b.removeEventListener("lazybeforesizes",j);("_lazyrias"in g||d.detail.dataAttr&&f(g,!0))&&(e=h(g,d.detail.width))&&e.u&&g._lazyrias.cur!=e.u&&(g._lazyrias.cur=e.u,e.cached=!0,c.rAF(function(){g.setAttribute(i.srcAttr,e.u),g.setAttribute("src",e.u)}))}};return v?j=function(){}:addEventListener("lazybeforesizes",j),j}()});
// Lazy Sizes Bgset Plugin
!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))})}});
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