ScrollSpy.prototype.refresh = function()

in templates/ydotm/bootstrap3.js [1573:1597]

• 22 lines of code
• 9 McCabe index (conditional complexity)

  ScrollSpy.prototype.refresh = function () {
    var offsetMethod = this.$element[0] == window ? 'offset' : 'position'

    this.offsets = $([])
    this.targets = $([])

    var self     = this
    var $targets = this.$body
      .find(this.selector)
      .map(function () {
        var $el   = $(this)
        var href  = $el.data('target') || $el.attr('href')
        var $href = /^#./.test(href) && $(href)

        return ($href
          && $href.length
          && $href.is(':visible')
          && [[ $href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]]) || null
      })
      .sort(function (a, b) { return a[0] - b[0] })
      .each(function () {
        self.offsets.push(this[0])
        self.targets.push(this[1])
      })
  }