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Kekskurse 2021-01-15 02:14:28 +01:00
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commit ac180ca7c1
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resources/js/lazyload.min.js vendored Normal file
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/*! Lazy Load 2.0.0-rc.2 - MIT license - Copyright 2007-2019 Mika Tuupola */
!function(t,e){"object"==typeof exports?module.exports=e(t):"function"==typeof define&&define.amd?define([],e):t.LazyLoad=e(t)}("undefined"!=typeof global?global:this.window||this.global,function(t){"use strict";function e(t,e){this.settings=s(r,e||{}),this.images=t||document.querySelectorAll(this.settings.selector),this.observer=null,this.init()}"function"==typeof define&&define.amd&&(t=window);const r={src:"data-src",srcset:"data-srcset",selector:".lazyload",root:null,rootMargin:"0px",threshold:0},s=function(){let t={},e=!1,r=0,o=arguments.length;"[object Boolean]"===Object.prototype.toString.call(arguments[0])&&(e=arguments[0],r++);for(;r<o;r++)!function(r){for(let o in r)Object.prototype.hasOwnProperty.call(r,o)&&(e&&"[object Object]"===Object.prototype.toString.call(r[o])?t[o]=s(!0,t[o],r[o]):t[o]=r[o])}(arguments[r]);return t};if(e.prototype={init:function(){if(!t.IntersectionObserver)return void this.loadImages();let e=this,r={root:this.settings.root,rootMargin:this.settings.rootMargin,threshold:[this.settings.threshold]};this.observer=new IntersectionObserver(function(t){Array.prototype.forEach.call(t,function(t){if(t.isIntersecting){e.observer.unobserve(t.target);let r=t.target.getAttribute(e.settings.src),s=t.target.getAttribute(e.settings.srcset);"img"===t.target.tagName.toLowerCase()?(r&&(t.target.src=r),s&&(t.target.srcset=s)):t.target.style.backgroundImage="url("+r+")"}})},r),Array.prototype.forEach.call(this.images,function(t){e.observer.observe(t)})},loadAndDestroy:function(){this.settings&&(this.loadImages(),this.destroy())},loadImages:function(){if(!this.settings)return;let t=this;Array.prototype.forEach.call(this.images,function(e){let r=e.getAttribute(t.settings.src),s=e.getAttribute(t.settings.srcset);"img"===e.tagName.toLowerCase()?(r&&(e.src=r),s&&(e.srcset=s)):e.style.backgroundImage="url('"+r+"')"})},destroy:function(){this.settings&&(this.observer.disconnect(),this.settings=null)}},t.lazyload=function(t,r){return new e(t,r)},t.jQuery){const r=t.jQuery;r.fn.lazyload=function(t){return t=t||{},t.attribute=t.attribute||"data-src",new e(r.makeArray(this),t),this}}return e});