Collapse.prototype.show = function()

in templates/ydotm/bootstrap3.js [494:536]

• 25 lines of code
• 11 McCabe index (conditional complexity)

  Collapse.prototype.show = function () {
    if (this.transitioning || this.$element.hasClass('in')) return

    var startEvent = $.Event('show.bs.collapse')
    this.$element.trigger(startEvent)
    if (startEvent.isDefaultPrevented()) return

    var actives = this.$parent && this.$parent.find('> .panel > .in')

    if (actives && actives.length) {
      var hasData = actives.data('bs.collapse')
      if (hasData && hasData.transitioning) return
      actives.collapse('hide')
      hasData || actives.data('bs.collapse', null)
    }

    var dimension = this.dimension()

    this.$element
      .removeClass('collapse')
      .addClass('collapsing')
      [dimension](0)

    this.transitioning = 1

    var complete = function () {
      this.$element
        .removeClass('collapsing')
        .addClass('collapse in')
        [dimension]('auto')
      this.transitioning = 0
      this.$element.trigger('shown.bs.collapse')
    }

    if (!$.support.transition) return complete.call(this)

    var scrollSize = $.camelCase(['scroll', dimension].join('-'))

    this.$element
      .one($.support.transition.end, $.proxy(complete, this))
      .emulateTransitionEnd(350)
      [dimension](this.$element[0][scrollSize])
  }