, activate: function()

in static/js/bootstrap-tab.js [73:106]

• 10 lines of code
• 4 McCabe index (conditional complexity)

  , activate: function ( element, container, callback) {
      var $active = container.find('> .active')
        , transition = callback
            && $.support.transition
            && $active.hasClass('fade')

      function next() {
        $active
          .removeClass('active')
          .find('> .dropdown-menu > .active')
          .removeClass('active')

        element.addClass('active')

        if (transition) {
          element[0].offsetWidth // reflow for transition
          element.addClass('in')
        } else {
          element.removeClass('fade')
        }

        if ( element.parent('.dropdown-menu') ) {
          element.closest('li.dropdown').addClass('active')
        }

        callback && callback()
      }

      transition ?
        $active.one($.support.transition.end, next) :
        next()

      $active.removeClass('in')
    }