forked from a64f7bb4-7358-4778-9fbe-3b882c34cc1d/v1
2 lines
3.2 KiB
JavaScript
2 lines
3.2 KiB
JavaScript
!function(t,e){"use strict";var o="Blazy",s=t.dBlazy;s.isAmd?define([o,s,t],e):"object"==typeof exports?module.exports=e(o,s,t):t.Blazy=e(o,s,t)}(this,function(f,u,o){"use strict";var d,v,n=document,g="srcset",i={},r={},p={};return function(t){var s=this;s.name=f,s.options=i=u.extend(u._defaults,t||{}),s.options.container=!!i.containerClass&&u.findAll(n,i.containerClass),s.destroyed=!0;t=s._util={};return i=s.options,d=i.src||"data-src",v=1<u.pixelRatio(),u.initViewport(i),s.windowData=function(){return u.isUnd(p.vp)?u.windowData(i,!0):p},s.revalidate=function(){e(s)},s.load=function(t,e){var o=s.options;t&&u.isUnd(t.length)?l(t,e,o):u.each(t,function(t){l(t,e,o)})},s.destroy=function(){var e=s._util;i.container&&u.each(i.container,function(t){u.off(t,"scroll."+f,e.validateT)}),u.off(o,"scroll."+f,e.validateT),u.off(o,"resize."+f,e.validateT),u.off(o,"resize."+f,e.saveViewportOffsetT),s.count=0,s.elms.length=0,s.destroyed=!0},t.validateT=u.throttle(function(){a(s)},i.validateDelay,s),t.saveViewportOffsetT=u.throttle(function(){c(i),u.onresizing(s,p)},i.saveViewportOffsetDelay,s),c(i),setTimeout(function(){e(s)}),s};function e(t){var e=t._util;t.elms=u.findAll(i.root||n,u.selector(i)),t.count=t.elms.length,t.destroyed&&(t.destroyed=!1,i.container&&u.each(i.container,function(t){u.on(t,"scroll."+f,e.validateT)}),u.on(o,"resize."+f,e.saveViewportOffsetT),u.on(o,"resize."+f,e.validateT),u.on(o,"scroll."+f,e.validateT)),a(t)}function a(t){for(var e=0;e<t.count;e++){var o=t.elms[e];(function(t,e){var o=u.rect(t);if(e.container){var s=u.closest(t,e.containerClass);if(s){var n=u.rect(s);if(u.isVisible(n,r)){var i=n.top-e.offset,t=n.right+e.offset,s=n.bottom+e.offset,e=n.left-e.offset,e={top:i>r.top?i:r.top,right:t<r.right?t:r.right,bottom:s<r.bottom?s:r.bottom,left:e>r.left?e:r.left};return u.isVisible(o,e)}return!1}}return u.isVisible(o,r)}(o,t.options)||u.hasClass(o,t.options.successClass))&&(t.load(o),t.elms.splice(e,1),t.count--,e--)}0===t.count&&t.destroy()}function l(t,e,o){var s,n,i,r,a,l,c;!u.hasClass(t,o.successClass)&&(e||o.loadInvisible||0<t.offsetWidth&&0<t.offsetHeight)&&((c=u.attr(t,d)||u.attr(t,o.src))?(e=c.split(o.separator),s=e[v&&1<e.length?1:0],n=u.attr(t,o.srcset),c=u.isBg(t,o),i=u.equal(t,"img"),e=t.parentNode,r=u.equal(e,"picture"),a=u.ie(t),l=a&&t.currentStyle["object-fit"],i||c?(c=new Image,r&&(c=t,u.each(e.getElementsByTagName("source"),function(t){h(t,g,o.srcset)})),u.one(c,"error."+f,function(){u.status(t,!1,o)}),u.one(c,"load."+f,function(){i?r||(w(t,s,n,l),l&&(t.style.backgroundImage='url("'+s+'")')):(l=a,u.isFun(u.bgUrl)?(s=u.bgUrl(t,p),u.bg(t,p)):t.style.backgroundImage='url("'+s+'")'),m(t,o)}),w(c,s,n,l)):(t.src=s,m(t,o))):u.equal(t,"video")?(u.each(t.getElementsByTagName("source"),function(t){h(t,"src",o.src)}),t.load(),m(t,o)):(o.error&&o.error(t,"missing"),u.addClass(t,o.errorClass)))}function m(t,e){u.status(t,!0,e)}function h(t,e,o){var s=u.attr(t,o);s&&(u.attr(t,e,s),u.removeAttr(t,o))}function w(t,e,o,s){o&&u.attr(t,g,o),s?(u.addClass(t,"is-b-ie"),t.src="data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%20"+(t.width||1)+"%20"+(t.height||1)+"'%2F%3E"):t.src=e}function c(t){p=u.updateViewport(t),r=u.vp}});
|