! function(n, t) {
    "object" == typeof exports && "undefined" != typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define(t) : (n = "undefined" != typeof globalThis ? globalThis : n || self).LazyLoad = t()
}(this, (function() {
    "use strict";

    function n() {
        return n = Object.assign || function(n) {
            for (var t = 1; t < arguments.length; t++) {
                var e = arguments[t];
                for (var i in e) Object.prototype.hasOwnProperty.call(e, i) && (n[i] = e[i])
            }
            return n
        }, n.apply(this, arguments)
    }
    var t = "undefined" != typeof window,
        e = t && !("onscroll" in window) || "undefined" != typeof navigator && /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent),
        i = t && "IntersectionObserver" in window,
        o = t && "classList" in document.createElement("p"),
        a = t && window.devicePixelRatio > 1,
        r = {
            elements_selector: ".lazy",
            container: e || t ? document : null,
            threshold: 300,
            thresholds: null,
            data_src: "src",
            data_srcset: "srcset",
            data_sizes: "sizes",
            data_bg: "bg",
            data_bg_hidpi: "bg-hidpi",
            data_bg_multi: "bg-multi",
            data_bg_multi_hidpi: "bg-multi-hidpi",
            data_bg_set: "bg-set",
            data_poster: "poster",
            class_applied: "applied",
            class_loading: "loading",
            class_loaded: "loaded",
            class_error: "error",
            class_entered: "entered",
            class_exited: "exited",
            unobserve_completed: !0,
            unobserve_entered: !1,
            cancel_on_exit: !0,
            callback_enter: null,
            callback_exit: null,
            callback_applied: null,
            callback_loading: null,
            callback_loaded: null,
            callback_error: null,
            callback_finish: null,
            callback_cancel: null,
            use_native: !1,
            restore_on_error: !1
        },
        c = function(t) {
            return n({}, r, t)
        },
        l = function(n, t) {
            var e, i = "LazyLoad::Initialized",
                o = new n(t);
            try {
                e = new CustomEvent(i, {
                    detail: {
                        instance: o
                    }
                })
            } catch (n) {
                (e = document.createEvent("CustomEvent")).initCustomEvent(i, !1, !1, {
                    instance: o
                })
            }
            window.dispatchEvent(e)
        },
        u = "src",
        s = "srcset",
        d = "sizes",
        f = "poster",
        _ = "llOriginalAttrs",
        g = "data",
        v = "loading",
        b = "loaded",
        m = "applied",
        p = "error",
        h = "native",
        E = "data-",
        I = "ll-status",
        y = function(n, t) {
            return n.getAttribute(E + t)
        },
        k = function(n) {
            return y(n, I)
        },
        w = function(n, t) {
            return function(n, t, e) {
                var i = "data-ll-status";
                null !== e ? n.setAttribute(i, e) : n.removeAttribute(i)
            }(n, 0, t)
        },
        A = function(n) {
            return w(n, null)
        },
        L = function(n) {
            return null === k(n)
        },
        O = function(n) {
            return k(n) === h
        },
        x = [v, b, m, p],
        C = function(n, t, e, i) {
            n && (void 0 === i ? void 0 === e ? n(t) : n(t, e) : n(t, e, i))
        },
        N = function(n, t) {
            o ? n.classList.add(t) : n.className += (n.className ? " " : "") + t
        },
        M = function(n, t) {
            o ? n.classList.remove(t) : n.className = n.className.replace(new RegExp("(^|\\s+)" + t + "(\\s+|$)"), " ").replace(/^\s+/, "").replace(/\s+$/, "")
        },
        z = function(n) {
            return n.llTempImage
        },
        T = function(n, t) {
            if (t) {
                var e = t._observer;
                e && e.unobserve(n)
            }
        },
        R = function(n, t) {
            n && (n.loadingCount += t)
        },
        G = function(n, t) {
            n && (n.toLoadCount = t)
        },
        j = function(n) {
            for (var t, e = [], i = 0; t = n.children[i]; i += 1) "SOURCE" === t.tagName && e.push(t);
            return e
        },
        D = function(n, t) {
            var e = n.parentNode;
            e && "PICTURE" === e.tagName && j(e).forEach(t)
        },
        H = function(n, t) {
            j(n).forEach(t)
        },
        V = [u],
        F = [u, f],
        B = [u, s, d],
        J = [g],
        P = function(n) {
            return !!n[_]
        },
        S = function(n) {
            return n[_]
        },
        U = function(n) {
            return delete n[_]
        },
        $ = function(n, t) {
            if (!P(n)) {
                var e = {};
                t.forEach((function(t) {
                    e[t] = n.getAttribute(t)
                })), n[_] = e
            }
        },
        q = function(n, t) {
            if (P(n)) {
                var e = S(n);
                t.forEach((function(t) {
                    ! function(n, t, e) {
                        e ? n.setAttribute(t, e) : n.removeAttribute(t)
                    }(n, t, e[t])
                }))
            }
        },
        K = function(n, t, e) {
            N(n, t.class_applied), w(n, m), e && (t.unobserve_completed && T(n, t), C(t.callback_applied, n, e))
        },
        Q = function(n, t, e) {
            N(n, t.class_loading), w(n, v), e && (R(e, 1), C(t.callback_loading, n, e))
        },
        W = function(n, t, e) {
            e && n.setAttribute(t, e)
        },
        X = function(n, t) {
            W(n, d, y(n, t.data_sizes)), W(n, s, y(n, t.data_srcset)), W(n, u, y(n, t.data_src))
        },
        Y = {
            IMG: function(n, t) {
                D(n, (function(n) {
                    $(n, B), X(n, t)
                })), $(n, B), X(n, t)
            },
            IFRAME: function(n, t) {
                $(n, V), W(n, u, y(n, t.data_src))
            },
            VIDEO: function(n, t) {
                H(n, (function(n) {
                    $(n, V), W(n, u, y(n, t.data_src))
                })), $(n, F), W(n, f, y(n, t.data_poster)), W(n, u, y(n, t.data_src)), n.load()
            },
            OBJECT: function(n, t) {
                $(n, J), W(n, g, y(n, t.data_src))
            }
        },
        Z = ["IMG", "IFRAME", "VIDEO", "OBJECT"],
        nn = function(n, t) {
            !t || function(n) {
                return n.loadingCount > 0
            }(t) || function(n) {
                return n.toLoadCount > 0
            }(t) || C(n.callback_finish, t)
        },
        tn = function(n, t, e) {
            n.addEventListener(t, e), n.llEvLisnrs[t] = e
        },
        en = function(n, t, e) {
            n.removeEventListener(t, e)
        },
        on = function(n) {
            return !!n.llEvLisnrs
        },
        an = function(n) {
            if (on(n)) {
                var t = n.llEvLisnrs;
                for (var e in t) {
                    var i = t[e];
                    en(n, e, i)
                }
                delete n.llEvLisnrs
            }
        },
        rn = function(n, t, e) {
            ! function(n) {
                delete n.llTempImage
            }(n), R(e, -1),
                function(n) {
                    n && (n.toLoadCount -= 1)
                }(e), M(n, t.class_loading), t.unobserve_completed && T(n, e)
        },
        cn = function(n, t, e) {
            var i = z(n) || n;
            on(i) || function(n, t, e) {
                on(n) || (n.llEvLisnrs = {});
                var i = "VIDEO" === n.tagName ? "loadeddata" : "load";
                tn(n, i, t), tn(n, "error", e)
            }(i, (function(o) {
                ! function(n, t, e, i) {
                    var o = O(t);
                    rn(t, e, i), N(t, e.class_loaded), w(t, b), C(e.callback_loaded, t, i), o || nn(e, i)
                }(0, n, t, e), an(i)
            }), (function(o) {
                ! function(n, t, e, i) {
                    var o = O(t);
                    rn(t, e, i), N(t, e.class_error), w(t, p), C(e.callback_error, t, i), e.restore_on_error && q(t, B), o || nn(e, i)
                }(0, n, t, e), an(i)
            }))
        },
        ln = function(n, t, e) {
            ! function(n) {
                return Z.indexOf(n.tagName) > -1
            }(n) ? function(n, t, e) {
                ! function(n) {
                    n.llTempImage = document.createElement("IMG")
                }(n), cn(n, t, e),
                    function(n) {
                        P(n) || (n[_] = {
                            backgroundImage: n.style.backgroundImage
                        })
                    }(n),
                    function(n, t, e) {
                        var i = y(n, t.data_bg),
                            o = y(n, t.data_bg_hidpi),
                            r = a && o ? o : i;
                        r && (n.style.backgroundImage = 'url("'.concat(r, '")'), z(n).setAttribute(u, r), Q(n, t, e))
                    }(n, t, e),
                    function(n, t, e) {
                        var i = y(n, t.data_bg_multi),
                            o = y(n, t.data_bg_multi_hidpi),
                            r = a && o ? o : i;
                        r && (n.style.backgroundImage = r, K(n, t, e))
                    }(n, t, e),
                    function(n, t, e) {
                        var i = y(n, t.data_bg_set);
                        if (i) {
                            var o = i.split("|"),
                                a = o.map((function(n) {
                                    return "image-set(".concat(n, ")")
                                }));
                            n.style.backgroundImage = a.join(), "" === n.style.backgroundImage && (a = o.map((function(n) {
                                return "-webkit-image-set(".concat(n, ")")
                            })), n.style.backgroundImage = a.join()), K(n, t, e)
                        }
                    }(n, t, e)
            }(n, t, e) : function(n, t, e) {
                cn(n, t, e),
                    function(n, t, e) {
                        var i = Y[n.tagName];
                        i && (i(n, t), Q(n, t, e))
                    }(n, t, e)
            }(n, t, e)
        },
        un = function(n) {
            n.removeAttribute(u), n.removeAttribute(s), n.removeAttribute(d)
        },
        sn = function(n) {
            D(n, (function(n) {
                q(n, B)
            })), q(n, B)
        },
        dn = {
            IMG: sn,
            IFRAME: function(n) {
                q(n, V)
            },
            VIDEO: function(n) {
                H(n, (function(n) {
                    q(n, V)
                })), q(n, F), n.load()
            },
            OBJECT: function(n) {
                q(n, J)
            }
        },
        fn = function(n, t) {
            (function(n) {
                var t = dn[n.tagName];
                t ? t(n) : function(n) {
                    if (P(n)) {
                        var t = S(n);
                        n.style.backgroundImage = t.backgroundImage
                    }
                }(n)
            })(n),
            function(n, t) {
                L(n) || O(n) || (M(n, t.class_entered), M(n, t.class_exited), M(n, t.class_applied), M(n, t.class_loading), M(n, t.class_loaded), M(n, t.class_error))
            }(n, t), A(n), U(n)
        },
        _n = ["IMG", "IFRAME", "VIDEO"],
        gn = function(n) {
            return n.use_native && "loading" in HTMLImageElement.prototype
        },
        vn = function(n, t, e) {
            n.forEach((function(n) {
                return function(n) {
                    return n.isIntersecting || n.intersectionRatio > 0
                }(n) ? function(n, t, e, i) {
                    var o = function(n) {
                        return x.indexOf(k(n)) >= 0
                    }(n);
                    w(n, "entered"), N(n, e.class_entered), M(n, e.class_exited),
                        function(n, t, e) {
                            t.unobserve_entered && T(n, e)
                        }(n, e, i), C(e.callback_enter, n, t, i), o || ln(n, e, i)
                }(n.target, n, t, e) : function(n, t, e, i) {
                    L(n) || (N(n, e.class_exited), function(n, t, e, i) {
                        e.cancel_on_exit && function(n) {
                            return k(n) === v
                        }(n) && "IMG" === n.tagName && (an(n), function(n) {
                            D(n, (function(n) {
                                un(n)
                            })), un(n)
                        }(n), sn(n), M(n, e.class_loading), R(i, -1), A(n), C(e.callback_cancel, n, t, i))
                    }(n, t, e, i), C(e.callback_exit, n, t, i))
                }(n.target, n, t, e)
            }))
        },
        bn = function(n) {
            return Array.prototype.slice.call(n)
        },
        mn = function(n) {
            return n.container.querySelectorAll(n.elements_selector)
        },
        pn = function(n) {
            return function(n) {
                return k(n) === p
            }(n)
        },
        hn = function(n, t) {
            return function(n) {
                return bn(n).filter(L)
            }(n || mn(t))
        },
        En = function(n, e) {
            var o = c(n);
            this._settings = o, this.loadingCount = 0,
                function(n, t) {
                    i && !gn(n) && (t._observer = new IntersectionObserver((function(e) {
                        vn(e, n, t)
                    }), function(n) {
                        return {
                            root: n.container === document ? null : n.container,
                            rootMargin: n.thresholds || n.threshold + "px"
                        }
                    }(n)))
                }(o, this),
                function(n, e) {
                    t && (e._onlineHandler = function() {
                        ! function(n, t) {
                            var e;
                            (e = mn(n), bn(e).filter(pn)).forEach((function(t) {
                                M(t, n.class_error), A(t)
                            })), t.update()
                        }(n, e)
                    }, window.addEventListener("online", e._onlineHandler))
                }(o, this), this.update(e)
        };
    return En.prototype = {
        update: function(n) {
            var t, o, a = this._settings,
                r = hn(n, a);
            G(this, r.length), !e && i ? gn(a) ? function(n, t, e) {
                n.forEach((function(n) {
                    -1 !== _n.indexOf(n.tagName) && function(n, t, e) {
                        n.setAttribute("loading", "lazy"), cn(n, t, e),
                            function(n, t) {
                                var e = Y[n.tagName];
                                e && e(n, t)
                            }(n, t), w(n, h)
                    }(n, t, e)
                })), G(e, 0)
            }(r, a, this) : (o = r, function(n) {
                n.disconnect()
            }(t = this._observer), function(n, t) {
                t.forEach((function(t) {
                    n.observe(t)
                }))
            }(t, o)) : this.loadAll(r)
        },
        destroy: function() {
            this._observer && this._observer.disconnect(), t && window.removeEventListener("online", this._onlineHandler), mn(this._settings).forEach((function(n) {
                U(n)
            })), delete this._observer, delete this._settings, delete this._onlineHandler, delete this.loadingCount, delete this.toLoadCount
        },
        loadAll: function(n) {
            var t = this,
                e = this._settings;
            hn(n, e).forEach((function(n) {
                T(n, t), ln(n, e, t)
            }))
        },
        restoreAll: function() {
            var n = this._settings;
            mn(n).forEach((function(t) {
                fn(t, n)
            }))
        }
    }, En.load = function(n, t) {
        var e = c(t);
        ln(n, e)
    }, En.resetStatus = function(n) {
        A(n)
    }, t && function(n, t) {
        if (t)
            if (t.length)
                for (var e, i = 0; e = t[i]; i += 1) l(n, e);
            else l(n, t)
    }(En, window.lazyLoadOptions), En
}));