ls.parent-fit.min.js

/*! lazysizes - v4.0.1 */
!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+(\d+)(w|h)\s+(\d+)(w|h)/,e=/parent-fit["']*\s*:\s*["']*(contain|cover|width)/,f=/parent-container["']*\s*:\s*["']*(.+?)(?=(\s|$|,|'|"|;))/,g=/^picture$/i,h=function(a){return getComputedStyle(a,null)||{}},i={getParent:function(b,c){var d=b,e=b.parentNode;return c&&"prev"!=c||!e||!g.test(e.nodeName||"")||(e=e.parentNode),"self"!=c&&(d="prev"==c?b.previousElementSibling:c&&(e.closest||a.jQuery)?(e.closest?e.closest(c):jQuery(e).closest(c)[0])||e:e),d},getFit:function(a){var b,c,d=h(a),g=d.content||d.fontFamily,j={fit:a._lazysizesParentFit||a.getAttribute("data-parent-fit")};return!j.fit&&g&&(b=g.match(e))&&(j.fit=b[1]),j.fit?(c=a._lazysizesParentContainer||a.getAttribute("data-parent-container"),!c&&g&&(b=g.match(f))&&(c=b[1]),j.parent=i.getParent(a,c)):j.fit=d.objectFit,j},getImageRatio:function(b){var c,e,f,h,i=b.parentNode,j=i&&g.test(i.nodeName||"")?i.querySelectorAll("source, img"):[b];for(c=0;c<j.length;c++)if(b=j[c],e=b.getAttribute(lazySizesConfig.srcsetAttr)||b.getAttribute("srcset")||b.getAttribute("data-pfsrcset")||b.getAttribute("data-risrcset")||"",f=b._lsMedia||b.getAttribute("media"),f=lazySizesConfig.customMedia[b.getAttribute("data-media")||f]||f,e&&(!f||(a.matchMedia&&matchMedia(f)||{}).matches)){h=parseFloat(b.getAttribute("data-aspectratio")),!h&&e.match(d)&&(h="w"==RegExp.$2?RegExp.$1/RegExp.$3:RegExp.$3/RegExp.$1);break}return h},calculateSize:function(a,b){var c,d,e,f,g=this.getFit(a),h=g.fit,i=g.parent;return"width"==h||("contain"==h||"cover"==h)&&(e=this.getImageRatio(a))?(i?b=i.clientWidth:i=a,f=b,"width"==h?f=b:(d=i.clientHeight,d>40&&(c=b/d)&&("cover"==h&&e>c||"contain"==h&&c>e)&&(f=b*(e/c))),f):b}};c.parentFit=i,b.addEventListener("lazybeforesizes",function(a){if(!a.defaultPrevented&&a.detail.instance==c){var b=a.target;a.detail.width=i.calculateSize(b,a.detail.width)}})}});