/*! 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
});