4 lines
7.5 KiB
JavaScript
4 lines
7.5 KiB
JavaScript
|
/*! Picturefill - v2.3.1 - 2015-04-09
|
||
|
|
* http://scottjehl.github.io/picturefill
|
||
|
|
* Copyright (c) 2015 https://github.com/scottjehl/picturefill/blob/master/Authors.txt; Licensed MIT */
|
||
|
|
window.matchMedia||(window.matchMedia=function(){"use strict";var a=window.styleMedia||window.media;if(!a){var b=document.createElement("style"),c=document.getElementsByTagName("script")[0],d=null;b.type="text/css",b.id="matchmediajs-test",c.parentNode.insertBefore(b,c),d="getComputedStyle"in window&&window.getComputedStyle(b,null)||b.currentStyle,a={matchMedium:function(a){var c="@media "+a+"{ #matchmediajs-test { width: 1px; } }";return b.styleSheet?b.styleSheet.cssText=c:b.textContent=c,"1px"===d.width}}}return function(b){return{matches:a.matchMedium(b||"all"),media:b||"all"}}}()),function(a,b,c){"use strict";function d(b){"object"==typeof module&&"object"==typeof module.exports?module.exports=b:"function"==typeof define&&define.amd&&define("picturefill",function(){return b}),"object"==typeof a&&(a.picturefill=b)}function e(a){var b,c,d,e,f,i=a||{};b=i.elements||g.getAllElements();for(var j=0,k=b.length;k>j;j++)if(c=b[j],d=c.parentNode,e=void 0,f=void 0,"IMG"===c.nodeName.toUpperCase()&&(c[g.ns]||(c[g.ns]={}),i.reevaluate||!c[g.ns].evaluated)){if(d&&"PICTURE"===d.nodeName.toUpperCase()){if(g.removeVideoShim(d),e=g.getMatch(c,d),e===!1)continue}else e=void 0;(d&&"PICTURE"===d.nodeName.toUpperCase()||!g.sizesSupported&&c.srcset&&h.test(c.srcset))&&g.dodgeSrcset(c),e?(f=g.processSourceSet(e),g.applyBestCandidate(f,c)):(f=g.processSourceSet(c),(void 0===c.srcset||c[g.ns].srcset)&&g.applyBestCandidate(f,c)),c[g.ns].evaluated=!0}}function f(){function c(){clearTimeout(d),d=setTimeout(h,60)}g.initTypeDetects(),e();var d,f=setInterval(function(){return e(),/^loaded|^i|^c/.test(b.readyState)?void clearInterval(f):void 0},250),h=function(){e({reevaluate:!0})};a.addEventListener?a.addEventListener("resize",c,!1):a.attachEvent&&a.attachEvent("onresize",c)}if(a.HTMLPictureElement)return void d(function(){});b.createElement("picture");var g=a.picturefill||{},h=/\s+\+?\d+(e\d+)?w/;g.ns="picturefill",function(){g.srcsetSupported="srcset"in c,g.sizesSupported="sizes"in c,g.curSrcSupported="currentSrc"in c}(),g.trim=function(a){return a.trim?a.trim():a.replace(/^\s+|\s+$/g,"")},g.makeUrl=function(){var a=b.createElement("a");return function(b){return a.href=b,a.href}}(),g.restrictsMixedContent=function(){return"https:"===a.location.protocol},g.matchesMedia=function(b){return a.matchMedia&&a.matchMedia(b).matches},g.getDpr=function(){return a.devicePixelRatio||1},g.getWidthFromLength=function(a){var c;if(!a||a.indexOf("%")>-1!=!1||!(parseFloat(a)>0||a.indexOf("calc(")>-1))return!1;a=a.replace("vw","%"),g.lengthEl||(g.lengthEl=b.createElement("div"),g.lengthEl.style.cssText="border:0;display:block;font-size:1em;left:0;margin:0;padding:0;position:absolute;visibility:hidden",g.lengthEl.className="helper-from-picturefill-js"),g.lengthEl.style.width="0px";try{g.lengthEl.style.width=a}catch(d){}return b.body.appendChild(g.lengthEl),c=g.lengthEl.offsetWidth,0>=c&&(c=!1),b.body.removeChild(g.lengthEl),c},g.detectTypeSupport=function(b,c){var d=new a.Image;return d.onerror=function(){g.types[b]=!1,e()},d.onload=function(){g.types[b]=1===d.width,e()},d.src=c,"pending"},g.types=g.types||{},g.initTypeDetects=function(){g.types["image/jpeg"]=!0,g.types["image/gif"]=!0,g.types["image/png"]=!0,g.types["image/svg+xml"]=b.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image","1.1"),g.types["image/webp"]=g.detectTypeSupport("image/webp","data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA=")},g.verifyTypeSupport=function(a){var b=a.getAttribute("type");if(null===b||""===b)return!0;var c=g.types[b];return"string"==typeof c&&"pending"!==c?(g.types[b]=g.detectTypeSupport(b,c),"pending"):"function"==typeof c?(c(),"pending"):c},g.parseSize=function(a){var b=/(\([^)]+\))?\s*(.+)/g.exec(a);return{media:b&&b[1],length:b&&b[2]}},g.findWidthFromSourceSize=function(c){for(var d,e=g.trim(c).split(/\s*,\s*/),f=0,h=e.length;h>f;f++){var i=e[f],j=g.parseSize(i),k=j.length,l=j.media;if(k&&(!l||g.matchesMedia(l))&&(d=g.getWidthFromLength(k)))break}return d||Math.max(a.innerWidth||0,b.documentElement.clientWidth)},g.parseSrcset=func
|