/* jquery.scrollex v0.2.1 | (c) @ajlkn | github.com/ajlkn/jquery.scrollex | MIT licensed */
!(function (t) {
  function e(t, e, n) {
    return (
      'string' == typeof t &&
        ('%' == t.slice(-1)
          ? (t = (parseInt(t.substring(0, t.length - 1)) / 100) * e)
          : 'vh' == t.slice(-2)
          ? (t = (parseInt(t.substring(0, t.length - 2)) / 100) * n)
          : 'px' == t.slice(-2) && (t = parseInt(t.substring(0, t.length - 2)))),
      t
    )
  }
  var n = t(window),
    i = 1,
    o = {}
  n
    .on('scroll', function () {
      var e = n.scrollTop()
      t.map(o, function (t) {
        window.clearTimeout(t.timeoutId),
          (t.timeoutId = window.setTimeout(function () {
            t.handler(e)
          }, t.options.delay))
      })
    })
    .on('load', function () {
      n.trigger('scroll')
    }),
    (jQuery.fn.scrollex = function (l) {
      var s = t(this)
      if (0 == this.length) return s
      if (this.length > 1) {
        for (var r = 0; r < this.length; r++) t(this[r]).scrollex(l)
        return s
      }
      if (s.data('_scrollexId')) return s
      var a, u, h, c, p
      switch (
        ((a = i++),
        (u = jQuery.extend({ top: 0, bottom: 0, delay: 0, mode: 'default', enter: null, leave: null, initialize: null, terminate: null, scroll: null }, l)),
        u.mode)
      ) {
        case 'top':
          h = function (t, e, n, i, o) {
            return t >= i && o >= t
          }
          break
        case 'bottom':
          h = function (t, e, n, i, o) {
            return n >= i && o >= n
          }
          break
        case 'middle':
          h = function (t, e, n, i, o) {
            return e >= i && o >= e
          }
          break
        case 'top-only':
          h = function (t, e, n, i, o) {
            return i >= t && n >= i
          }
          break
        case 'bottom-only':
          h = function (t, e, n, i, o) {
            return n >= o && o >= t
          }
          break
        default:
        case 'default':
          h = function (t, e, n, i, o) {
            return n >= i && o >= t
          }
      }
      return (
        (c = function (t) {
          var i,
            o,
            l,
            s,
            r,
            a,
            u = this.state,
            h = !1,
            c = this.$element.offset()
          ;(i = n.height()),
            (o = t + i / 2),
            (l = t + i),
            (s = this.$element.outerHeight()),
            (r = c.top + e(this.options.top, s, i)),
            (a = c.top + s - e(this.options.bottom, s, i)),
            (h = this.test(t, o, l, r, a)),
            h != u &&
              ((this.state = h),
              h ? this.options.enter && this.options.enter.apply(this.element) : this.options.leave && this.options.leave.apply(this.element)),
            this.options.scroll && this.options.scroll.apply(this.element, [(o - r) / (a - r)])
        }),
        (p = { id: a, options: u, test: h, handler: c, state: null, element: this, $element: s, timeoutId: null }),
        (o[a] = p),
        s.data('_scrollexId', p.id),
        p.options.initialize && p.options.initialize.apply(this),
        s
      )
    }),
    (jQuery.fn.unscrollex = function () {
      var e = t(this)
      if (0 == this.length) return e
      if (this.length > 1) {
        for (var n = 0; n < this.length; n++) t(this[n]).unscrollex()
        return e
      }
      var i, l
      return (i = e.data('_scrollexId'))
        ? ((l = o[i]), window.clearTimeout(l.timeoutId), delete o[i], e.removeData('_scrollexId'), l.options.terminate && l.options.terminate.apply(this), e)
        : e
    })
})(jQuery)