!function(e, t) {
    "object" == typeof exports && "undefined" != typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define(t) : (e = "undefined" != typeof globalThis ? globalThis : e || self).LazyLoad = t();
}(this, function() {
    "use strict";
    const e = "undefined" != typeof window, t = e && !("onscroll" in window) || "undefined" != typeof navigator && /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent), a = e && window.devicePixelRatio > 1, n = {
        elements_selector: ".lazy",
        container: t || e ? 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
    }, s = (e)=>Object.assign({}, n, e), l = function(e, t) {
        let a;
        const n = "LazyLoad::Initialized", s = new e(t);
        try {
            a = new CustomEvent(n, {
                detail: {
                    instance: s
                }
            });
        } catch (e) {
            a = document.createEvent("CustomEvent"), a.initCustomEvent(n, !1, !1, {
                instance: s
            });
        }
        window.dispatchEvent(a);
    }, o = "src", r = "srcset", i = "sizes", d = "poster", c = "llOriginalAttrs", _ = "data", u = "loading", g = "loaded", b = "applied", h = "error", m = "native", p = "data-", f = "ll-status", v = (e, t)=>e.getAttribute(p + t), E = (e)=>v(e, f), I = (e, t)=>((e, t, a)=>{
            const n = p + t;
            null !== a ? e.setAttribute(n, a) : e.removeAttribute(n);
        })(e, f, t), y = (e)=>I(e, null), k = (e)=>null === E(e), A = (e)=>E(e) === m, L = [
        u,
        g,
        b,
        h
    ], w = (e, t, a, n)=>{
        e && "function" == typeof e && (void 0 === n ? void 0 === a ? e(t) : e(t, a) : e(t, a, n));
    }, x = (t, a)=>{
        e && "" !== a && t.classList.add(a);
    }, C = (t, a)=>{
        e && "" !== a && t.classList.remove(a);
    }, O = (e)=>e.llTempImage, M = (e, t)=>{
        if (!t) return;
        const a = t._observer;
        a && a.unobserve(e);
    }, z = (e, t)=>{
        e && (e.loadingCount += t);
    }, N = (e, t)=>{
        e && (e.toLoadCount = t);
    }, T = (e)=>{
        let t = [];
        for(let a, n = 0; a = e.children[n]; n += 1)"SOURCE" === a.tagName && t.push(a);
        return t;
    }, R = (e, t)=>{
        const a = e.parentNode;
        a && "PICTURE" === a.tagName && T(a).forEach(t);
    }, G = (e, t)=>{
        T(e).forEach(t);
    }, D = [
        o
    ], H = [
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        d
    ], V = [
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        r,
        i
    ], F = [
        _
    ], j = (e)=>!!e[c], B = (e)=>e[c], J = (e)=>delete e[c], S = (e, t)=>{
        if (j(e)) return;
        const a = {};
        t.forEach((t)=>{
            a[t] = e.getAttribute(t);
        }), e[c] = a;
    }, P = (e, t)=>{
        if (!j(e)) return;
        const a = B(e);
        t.forEach((t)=>{
            ((e, t, a)=>{
                a ? e.setAttribute(t, a) : e.removeAttribute(t);
            })(e, t, a[t]);
        });
    }, U = (e, t, a)=>{
        x(e, t.class_applied), I(e, b), a && (t.unobserve_completed && M(e, t), w(t.callback_applied, e, a));
    }, $ = (e, t, a)=>{
        x(e, t.class_loading), I(e, u), a && (z(a, 1), w(t.callback_loading, e, a));
    }, q = (e, t, a)=>{
        a && e.setAttribute(t, a);
    }, K = (e, t)=>{
        q(e, i, v(e, t.data_sizes)), q(e, r, v(e, t.data_srcset)), q(e, o, v(e, t.data_src));
    }, Q = {
        IMG: (e, t)=>{
            R(e, (e)=>{
                S(e, V), K(e, t);
            }), S(e, V), K(e, t);
        },
        IFRAME: (e, t)=>{
            S(e, D), q(e, o, v(e, t.data_src));
        },
        VIDEO: (e, t)=>{
            G(e, (e)=>{
                S(e, D), q(e, o, v(e, t.data_src));
            }), S(e, H), q(e, d, v(e, t.data_poster)), q(e, o, v(e, t.data_src)), e.load();
        },
        OBJECT: (e, t)=>{
            S(e, F), q(e, _, v(e, t.data_src));
        }
    }, W = [
        "IMG",
        "IFRAME",
        "VIDEO",
        "OBJECT"
    ], X = (e, t)=>{
        !t || ((e)=>e.loadingCount > 0)(t) || ((e)=>e.toLoadCount > 0)(t) || w(e.callback_finish, t);
    }, Y = (e, t, a)=>{
        e.addEventListener(t, a), e.llEvLisnrs[t] = a;
    }, Z = (e, t, a)=>{
        e.removeEventListener(t, a);
    }, ee = (e)=>!!e.llEvLisnrs, te = (e)=>{
        if (!ee(e)) return;
        const t = e.llEvLisnrs;
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            const n = t[a];
            Z(e, a, n);
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        ((e)=>{
            delete e.llTempImage;
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            e && (e.toLoadCount -= 1);
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    }, ne = (e, t, a)=>{
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            ee(e) || (e.llEvLisnrs = {});
            const n = "VIDEO" === e.tagName ? "loadeddata" : "load";
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        })(n, (s)=>{
            ((e, t, a, n)=>{
                const s = A(t);
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            ((e, t, a, n)=>{
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            })(0, e, t, a), te(n);
        });
    }, se = (e, t, n)=>{
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            ne(e, t, a), ((e, t, a)=>{
                const n = Q[e.tagName];
                n && (n(e, t), $(e, t, a));
            })(e, t, a);
        })(e, t, n) : ((e, t, n)=>{
            ((e)=>{
                e.llTempImage = document.createElement("IMG");
            })(e), ne(e, t, n), ((e)=>{
                j(e) || (e[c] = {
                    backgroundImage: e.style.backgroundImage
                });
            })(e), ((e, t, n)=>{
                const s = v(e, t.data_bg), l = v(e, t.data_bg_hidpi), r = a && l ? l : s;
                r && (e.style.backgroundImage = `url("${r}")`, O(e).setAttribute(o, r), $(e, t, n));
            })(e, t, n), ((e, t, n)=>{
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                const n = v(e, t.data_bg_set);
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                let s = n.split("|").map((e)=>`image-set(${e})`);
                e.style.backgroundImage = s.join(), U(e, t, a);
            })(e, t, n);
        })(e, t, n);
    }, le = (e)=>{
        e.removeAttribute(o), e.removeAttribute(r), e.removeAttribute(i);
    }, oe = (e)=>{
        R(e, (e)=>{
            P(e, V);
        }), P(e, V);
    }, re = {
        IMG: oe,
        IFRAME: (e)=>{
            P(e, D);
        },
        VIDEO: (e)=>{
            G(e, (e)=>{
                P(e, D);
            }), P(e, H), e.load();
        },
        OBJECT: (e)=>{
            P(e, F);
        }
    }, ie = (e, t)=>{
        ((e)=>{
            const t = re[e.tagName];
            t ? t(e) : ((e)=>{
                if (!j(e)) return;
                const t = B(e);
                e.style.backgroundImage = t.backgroundImage;
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        })(e), ((e, t)=>{
            k(e) || A(e) || (C(e, t.class_entered), C(e, t.class_exited), C(e, t.class_applied), C(e, t.class_loading), C(e, t.class_loaded), C(e, t.class_error));
        })(e, t), y(e), J(e);
    }, de = [
        "IMG",
        "IFRAME",
        "VIDEO"
    ], ce = (e)=>e.use_native && "loading" in HTMLImageElement.prototype, _e = (e, t, a)=>{
        e.forEach((e)=>((e)=>e.isIntersecting || e.intersectionRatio > 0)(e) ? ((e, t, a, n)=>{
                const s = ((e)=>L.indexOf(E(e)) >= 0)(e);
                I(e, "entered"), x(e, a.class_entered), C(e, a.class_exited), ((e, t, a)=>{
                    t.unobserve_entered && M(e, a);
                })(e, a, n), w(a.callback_enter, e, t, n), s || se(e, a, n);
            })(e.target, e, t, a) : ((e, t, a, n)=>{
                k(e) || (x(e, a.class_exited), ((e, t, a, n)=>{
                    a.cancel_on_exit && ((e)=>E(e) === u)(e) && "IMG" === e.tagName && (te(e), ((e)=>{
                        R(e, (e)=>{
                            le(e);
                        }), le(e);
                    })(e), oe(e), C(e, a.class_loading), z(n, -1), y(e), w(a.callback_cancel, e, t, n));
                })(e, t, a, n), w(a.callback_exit, e, t, n));
            })(e.target, e, t, a));
    }, ue = (e)=>Array.prototype.slice.call(e), ge = (e)=>e.container.querySelectorAll(e.elements_selector), be = (e)=>((e)=>E(e) === h)(e), he = (e, t)=>((e)=>ue(e).filter(k))(e || ge(t)), me = function(t, a) {
        const n = s(t);
        this._settings = n, this.loadingCount = 0, ((e, t)=>{
            ce(e) || (t._observer = new IntersectionObserver((a)=>{
                _e(a, e, t);
            }, ((e)=>({
                    root: e.container === document ? null : e.container,
                    rootMargin: e.thresholds || e.threshold + "px"
                }))(e)));
        })(n, this), ((t, a)=>{
            e && (a._onlineHandler = ()=>{
                ((e, t)=>{
                    var a;
                    (a = ge(e), ue(a).filter(be)).forEach((t)=>{
                        C(t, e.class_error), y(t);
                    }), t.update();
                })(t, a);
            }, window.addEventListener("online", a._onlineHandler));
        })(n, this), this.update(a);
    };
    return me.prototype = {
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            const a = this._settings, n = he(e, a);
            var s, l;
            N(this, n.length), t ? this.loadAll(n) : ce(a) ? ((e, t, a)=>{
                e.forEach((e)=>{
                    -1 !== de.indexOf(e.tagName) && ((e, t, a)=>{
                        e.setAttribute("loading", "lazy"), ne(e, t, a), ((e, t)=>{
                            const a = Q[e.tagName];
                            a && a(e, t);
                        })(e, t), I(e, m);
                    })(e, t, a);
                }), N(a, 0);
            })(n, a, this) : (l = n, ((e)=>{
                e.disconnect();
            })(s = this._observer), ((e, t)=>{
                t.forEach((t)=>{
                    e.observe(t);
                });
            })(s, l));
        },
        destroy: function() {
            this._observer && this._observer.disconnect(), e && window.removeEventListener("online", this._onlineHandler), ge(this._settings).forEach((e)=>{
                J(e);
            }), delete this._observer, delete this._settings, delete this._onlineHandler, delete this.loadingCount, delete this.toLoadCount;
        },
        loadAll: function(e) {
            const t = this._settings;
            he(e, t).forEach((e)=>{
                M(e, this), se(e, t, this);
            });
        },
        restoreAll: function() {
            const e = this._settings;
            ge(e).forEach((t)=>{
                ie(t, e);
            });
        }
    }, me.load = (e, t)=>{
        const a = s(t);
        se(e, a);
    }, me.resetStatus = (e)=>{
        y(e);
    }, e && ((e, t)=>{
        if (t) {
            if (t.length) for(let a, n = 0; a = t[n]; n += 1)l(e, a);
            else l(e, t);
        }
    })(me, window.lazyLoadOptions), me;
});

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