!(function (t, e) {
  "object" == typeof exports && "undefined" != typeof module
    ? (module.exports = e())
    : "function" == typeof define && define.amd
    ? define(e)
    : ((t || self).Lenis = e());
})(this, function () {
  function t(t, e) {
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              r && this.stop();
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            l = i.easing,
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            (this.onUpdate = a);
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          h = void 0 === l || l;
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          }),
          (this.onWrapperResize = function () {
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              ? ((o.width = window.innerWidth), (o.height = window.innerHeight))
              : ((o.width = o.wrapper.clientWidth),
                (o.height = o.wrapper.clientHeight));
          }),
          (this.onContentResize = function () {
            (o.scrollHeight = o.content.scrollHeight),
              (o.scrollWidth = o.content.scrollWidth);
          }),
          (this.wrapper = s),
          (this.content = r),
          h)
        ) {
          var a =
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              var t = arguments,
                o = this;
              clearTimeout(i),
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                  e.apply(o, t);
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          this.wrapper !== window &&
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            (this.contentResizeObserver = new ResizeObserver(a)),
            this.contentResizeObserver.observe(this.content);
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        this.resize();
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          var t, e;
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        e(t, [
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            e[i].apply(e, [].slice.call(arguments, 1));
        }),
        (e.on = function (t, e) {
          var i,
            o = this;
          return (
            (null == (i = this.events[t]) ? void 0 : i.push(e)) ||
              (this.events[t] = [e]),
            function () {
              var i;
              o.events[t] =
                null == (i = o.events[t])
                  ? void 0
                  : i.filter(function (t) {
                      return e !== t;
                    });
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          );
        }),
        (e.destroy = function () {
          this.events = {};
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        t
      );
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    l = /*#__PURE__*/ (function () {
      function t(t, e) {
        var i = this,
          n = e.wheelMultiplier,
          s = void 0 === n ? 1 : n,
          l = e.touchMultiplier,
          h = void 0 === l ? 2 : l,
          a = e.normalizeWheel,
          c = void 0 !== a && a;
        (this.onTouchStart = function (t) {
          var e = t.targetTouches ? t.targetTouches[0] : t,
            o = e.clientY;
          (i.touchStart.x = e.clientX),
            (i.touchStart.y = o),
            (i.lastDelta = { x: 0, y: 0 });
        }),
          (this.onTouchMove = function (t) {
            var e = t.targetTouches ? t.targetTouches[0] : t,
              o = e.clientX,
              n = e.clientY,
              s = -(o - i.touchStart.x) * i.touchMultiplier,
              r = -(n - i.touchStart.y) * i.touchMultiplier;
            (i.touchStart.x = o),
              (i.touchStart.y = n),
              (i.lastDelta = { x: s, y: r }),
              i.emitter.emit("scroll", {
                type: "touch",
                deltaX: s,
                deltaY: r,
                event: t,
              });
          }),
          (this.onTouchEnd = function (t) {
            i.emitter.emit("scroll", {
              type: "touch",
              inertia: !0,
              deltaX: i.lastDelta.x,
              deltaY: i.lastDelta.y,
              event: t,
            });
          }),
          (this.onWheel = function (t) {
            var e = t.deltaX,
              n = t.deltaY;
            i.normalizeWheel && ((e = o(-100, e, 100)), (n = o(-100, n, 100))),
              i.emitter.emit("scroll", {
                type: "wheel",
                deltaX: (e *= i.wheelMultiplier),
                deltaY: (n *= i.wheelMultiplier),
                event: t,
              });
          }),
          (this.element = t),
          (this.wheelMultiplier = s),
          (this.touchMultiplier = h),
          (this.normalizeWheel = c),
          (this.touchStart = { x: null, y: null }),
          (this.emitter = new r()),
          this.element.addEventListener("wheel", this.onWheel, { passive: !1 }),
          this.element.addEventListener("touchstart", this.onTouchStart, {
            passive: !1,
          }),
          this.element.addEventListener("touchmove", this.onTouchMove, {
            passive: !1,
          }),
          this.element.addEventListener("touchend", this.onTouchEnd, {
            passive: !1,
          });
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      var e = t.prototype;
      return (
        (e.on = function (t, e) {
          return this.emitter.on(t, e);
        }),
        (e.destroy = function () {
          this.emitter.destroy(),
            this.element.removeEventListener("wheel", this.onWheel, {
              passive: !1,
            }),
            this.element.removeEventListener("touchstart", this.onTouchStart, {
              passive: !1,
            }),
            this.element.removeEventListener("touchmove", this.onTouchMove, {
              passive: !1,
            }),
            this.element.removeEventListener("touchend", this.onTouchEnd, {
              passive: !1,
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        }),
        t
      );
    })(); /*#__PURE__*/
  return (function () {
    function t(t) {
      var e = this,
        o = void 0 === t ? {} : t,
        h = o.wrapper,
        a = void 0 === h ? window : h,
        c = o.content,
        u = void 0 === c ? document.documentElement : c,
        p = o.wheelEventsTarget,
        d = void 0 === p ? a : p,
        v = o.smoothWheel,
        m = void 0 === v || v,
        f = o.smoothTouch,
        g = void 0 !== f && f,
        y = o.syncTouch,
        S = void 0 !== y && y,
        w = o.syncTouchLerp,
        T = void 0 === w ? 0.1 : w,
        b = o.__iosNoInertiaSyncTouchLerp,
        z = void 0 === b ? 0.4 : b,
        M = o.touchInertiaMultiplier,
        E = void 0 === M ? 35 : M,
        L = o.duration,
        _ = o.easing,
        O =
          void 0 === _
            ? function (t) {
                return Math.min(1, 1.001 - Math.pow(2, -10 * t));
              }
            : _,
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        W = void 0 === R ? L && 0.1 : R,
        k = o.infinite,
        x = void 0 !== k && k,
        H = o.orientation,
        j = void 0 === H ? "vertical" : H,
        A = o.gestureOrientation,
        X = void 0 === A ? "vertical" : A,
        Y = o.touchMultiplier,
        D = void 0 === Y ? 1 : Y,
        I = o.wheelMultiplier,
        P = void 0 === I ? 1 : I,
        C = o.normalizeWheel,
        U = void 0 !== C && C,
        N = o.autoResize,
        V = void 0 === N || N;
      (this.onVirtualScroll = function (t) {
        var o = t.type,
          n = t.inertia,
          s = t.deltaX,
          r = t.deltaY,
          l = t.event;
        if (!l.ctrlKey) {
          var h = "touch" === o,
            a = "wheel" === o;
          if (
            !(
              ("vertical" === e.options.gestureOrientation && 0 === r) ||
              ("horizontal" === e.options.gestureOrientation && 0 === s) ||
              (h &&
                "vertical" === e.options.gestureOrientation &&
                0 === e.scroll &&
                !e.options.infinite &&
                r <= 0) ||
              l.composedPath().find(function (t) {
                return (
                  (null == t || null == t.hasAttribute
                    ? void 0
                    : t.hasAttribute("data-lenis-prevent")) ||
                  (h &&
                    (null == t || null == t.hasAttribute
                      ? void 0
                      : t.hasAttribute("data-lenis-prevent-touch"))) ||
                  (a &&
                    (null == t || null == t.hasAttribute
                      ? void 0
                      : t.hasAttribute("data-lenis-prevent-wheel")))
                );
              })
            )
          )
            if (e.isStopped || e.isLocked) l.preventDefault();
            else {
              if (
                ((e.isSmooth =
                  ((e.options.smoothTouch || e.options.syncTouch) && h) ||
                  (e.options.smoothWheel && a)),
                !e.isSmooth)
              )
                return (e.isScrolling = !1), void e.animate.stop();
              l.preventDefault();
              var c = r;
              "both" === e.options.gestureOrientation
                ? (c = Math.abs(r) > Math.abs(s) ? r : s)
                : "horizontal" === e.options.gestureOrientation && (c = s);
              var u = h && e.options.syncTouch,
                p = h && n && Math.abs(c) > 1;
              p && (c = e.velocity * e.options.touchInertiaMultiplier),
                e.scrollTo(
                  e.targetScroll + c,
                  i(
                    { programmatic: !1 },
                    u && {
                      lerp: p
                        ? e.syncTouchLerp
                        : e.options.__iosNoInertiaSyncTouchLerp,
                    }
                  )
                );
            }
        }
      }),
        (this.onScroll = function () {
          if (!e.isScrolling) {
            var t = e.animatedScroll;
            (e.animatedScroll = e.targetScroll = e.actualScroll),
              (e.velocity = 0),
              (e.direction = Math.sign(e.animatedScroll - t)),
              e.emit();
          }
        }),
        (window.lenisVersion = "1.0.18"),
        (a !== document.documentElement && a !== document.body) || (a = window),
        (this.options = {
          wrapper: a,
          content: u,
          wheelEventsTarget: d,
          smoothWheel: m,
          smoothTouch: g,
          syncTouch: S,
          syncTouchLerp: T,
          __iosNoInertiaSyncTouchLerp: z,
          touchInertiaMultiplier: E,
          duration: L,
          easing: O,
          lerp: W,
          infinite: x,
          gestureOrientation: X,
          orientation: j,
          touchMultiplier: D,
          wheelMultiplier: P,
          normalizeWheel: U,
          autoResize: V,
        }),
        (this.dimensions = new s({ wrapper: a, content: u, autoResize: V })),
        this.rootElement.classList.add("lenis"),
        (this.velocity = 0),
        (this.isStopped = !1),
        (this.isSmooth = m || g),
        (this.isScrolling = !1),
        (this.targetScroll = this.animatedScroll = this.actualScroll),
        (this.animate = new n()),
        (this.emitter = new r()),
        this.options.wrapper.addEventListener("scroll", this.onScroll, {
          passive: !1,
        }),
        (this.virtualScroll = new l(d, {
          touchMultiplier: D,
          wheelMultiplier: P,
          normalizeWheel: U,
        })),
        this.virtualScroll.on("scroll", this.onVirtualScroll);
    }
    var h = t.prototype;
    return (
      (h.destroy = function () {
        this.emitter.destroy(),
          this.options.wrapper.removeEventListener("scroll", this.onScroll, {
            passive: !1,
          }),
          this.virtualScroll.destroy(),
          this.dimensions.destroy(),
          this.rootElement.classList.remove("lenis"),
          this.rootElement.classList.remove("lenis-smooth"),
          this.rootElement.classList.remove("lenis-scrolling"),
          this.rootElement.classList.remove("lenis-stopped");
      }),
      (h.on = function (t, e) {
        return this.emitter.on(t, e);
      }),
      (h.off = function (t, e) {
        var i;
        this.emitter.events[t] =
          null == (i = this.emitter.events[t])
            ? void 0
            : i.filter(function (t) {
                return e !== t;
              });
      }),
      (h.setScroll = function (t) {
        this.isHorizontal
          ? (this.rootElement.scrollLeft = t)
          : (this.rootElement.scrollTop = t);
      }),
      (h.resize = function () {
        this.dimensions.resize();
      }),
      (h.emit = function () {
        this.emitter.emit("scroll", this);
      }),
      (h.reset = function () {
        (this.isLocked = !1),
          (this.isScrolling = !1),
          (this.velocity = 0),
          this.animate.stop();
      }),
      (h.start = function () {
        (this.isStopped = !1), this.reset();
      }),
      (h.stop = function () {
        (this.isStopped = !0), this.animate.stop(), this.reset();
      }),
      (h.raf = function (t) {
        var e = t - (this.time || t);
        (this.time = t), this.animate.advance(0.001 * e);
      }),
      (h.scrollTo = function (t, e) {
        var i = this,
          n = void 0 === e ? {} : e,
          s = n.offset,
          r = void 0 === s ? 0 : s,
          l = n.immediate,
          h = void 0 !== l && l,
          a = n.lock,
          c = void 0 !== a && a,
          u = n.duration,
          p = void 0 === u ? this.options.duration : u,
          d = n.easing,
          v = void 0 === d ? this.options.easing : d,
          m = n.lerp,
          f = void 0 === m ? !p && this.options.lerp : m,
          g = n.onComplete,
          y = void 0 === g ? null : g,
          S = n.force,
          w = n.programmatic,
          T = void 0 === w || w;
        if (!this.isStopped || (void 0 !== S && S)) {
          if (["top", "left", "start"].includes(t)) t = 0;
          else if (["bottom", "right", "end"].includes(t)) t = this.limit;
          else {
            var b, z;
            if (
              ("string" == typeof t
                ? (z = document.querySelector(t))
                : null != (b = t) && b.nodeType && (z = t),
              z)
            ) {
              if (this.options.wrapper !== window) {
                var M = this.options.wrapper.getBoundingClientRect();
                r -= this.isHorizontal ? M.left : M.top;
              }
              var E = z.getBoundingClientRect();
              t = (this.isHorizontal ? E.left : E.top) + this.animatedScroll;
            }
          }
          if ("number" == typeof t) {
            if (
              ((t += r),
              (t = Math.round(t)),
              this.options.infinite
                ? T && (this.targetScroll = this.animatedScroll = this.scroll)
                : (t = o(0, t, this.limit)),
              h)
            )
              return (
                (this.animatedScroll = this.targetScroll = t),
                this.setScroll(this.scroll),
                this.reset(),
                this.emit(),
                void (null == y || y())
              );
            if (!T) {
              if (t === this.targetScroll) return;
              this.targetScroll = t;
            }
            this.animate.fromTo(this.animatedScroll, t, {
              duration: p,
              easing: v,
              lerp: f,
              onUpdate: function (t, e) {
                var o = e.completed;
                c && (i.isLocked = !0),
                  (i.isScrolling = !0),
                  (i.velocity = t - i.animatedScroll),
                  (i.direction = Math.sign(i.velocity)),
                  (i.animatedScroll = t),
                  i.setScroll(i.scroll),
                  T && (i.targetScroll = t),
                  o &&
                    (c && (i.isLocked = !1),
                    requestAnimationFrame(function () {
                      i.isScrolling = !1;
                    }),
                    (i.velocity = 0),
                    null == y || y()),
                  i.emit();
              },
            });
          }
        }
      }),
      e(t, [
        {
          key: "rootElement",
          get: function () {
            return this.options.wrapper === window
              ? this.options.content
              : this.options.wrapper;
          },
        },
        {
          key: "limit",
          get: function () {
            return this.dimensions.limit[this.isHorizontal ? "x" : "y"];
          },
        },
        {
          key: "isHorizontal",
          get: function () {
            return "horizontal" === this.options.orientation;
          },
        },
        {
          key: "actualScroll",
          get: function () {
            return this.isHorizontal
              ? this.rootElement.scrollLeft
              : this.rootElement.scrollTop;
          },
        },
        {
          key: "scroll",
          get: function () {
            return this.options.infinite
              ? ((this.animatedScroll % (t = this.limit)) + t) % t
              : this.animatedScroll;
            var t;
          },
        },
        {
          key: "progress",
          get: function () {
            return 0 === this.limit ? 1 : this.scroll / this.limit;
          },
        },
        {
          key: "isSmooth",
          get: function () {
            return this.__isSmooth;
          },
          set: function (t) {
            this.__isSmooth !== t &&
              (this.rootElement.classList.toggle("lenis-smooth", t),
              (this.__isSmooth = t));
          },
        },
        {
          key: "isScrolling",
          get: function () {
            return this.__isScrolling;
          },
          set: function (t) {
            this.__isScrolling !== t &&
              (this.rootElement.classList.toggle("lenis-scrolling", t),
              (this.__isScrolling = t));
          },
        },
        {
          key: "isStopped",
          get: function () {
            return this.__isStopped;
          },
          set: function (t) {
            this.__isStopped !== t &&
              (this.rootElement.classList.toggle("lenis-stopped", t),
              (this.__isStopped = t));
          },
        },
      ]),
      t
    );
  })();
});