Use of ng-if in combination with recursive directives does unexpected behavior

I have a situation where I am using two recursive directives inside ui-bootstrap tabs. In order to optimize performance, I want the directive to only load when its corresponding tab is active. To achieve this, I am using ng-if on the directive like this:

<dave ng-if="activeTab === 0"></dave>
...
<bob ng-if="activeTab === 1"></bob>

The issue arises when switching between Tab 0 and Tab 1 - the directive content does not refresh properly. Even though it should show "dave" when on Tab 0 and "bob" when on Tab 1, sometimes it shows the incorrect content. I attempted placing the directives within a div and applying ng-if on that, but the problem persists.

If you'd like to see the problem in action, check out this Codepen link.

javascriptangularjsrecursionangular-ui-bootstrap-tab

Answer №1

To achieve proper tab navigation, I implemented the following solution:

<div class="wrapper" ng-app="myApp">
  <tab-menu active=currentTab>
    <tab-item index=0>
      <tab-header>First Tab</tab-header>
      <content-element ng-if="current === index" display="true"></content-element>
    </tab-item>
    <tab-item index=1>
      <tab-header>Second Tab</tab-header>
      <content-element ng-if="current === index" display="true"></content-element>
    </tab-item>
  </tab-menu>
</div>

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