Issues with mat-tab-group not rendering properly after switching between parent tabs

I am facing an issue involving nested tabs and tables in my example.

Check out the example here

After switching between parent tabs and child tabs, there seems to be an issue where the tabs do not render properly. It takes multiple attempts of switching child tabs for them to finally display.

To Reproduce:

  1. Open any M1 Expansion panel to see the parent tabs (View M2) and child tabs (M3)
  2. Move to child tab (M3 32 B)
  3. Switch to parent tab (View M2 - 2)
  4. Return to previous parent tab (View M2 - 1)
  5. Switch to another child tab (M3 33 C)

Expected Outcome:
The table should be displayed in the child tab (M3 33 C)

Actual Outcome:
No content is shown in the child tab (M3 33 C)

Interestingly, if you switch to a different child tab first and then back to child tab (M3 33 C), the table displays as expected.

Any insights on what might be causing this? Let me know!

angulartypescriptangular-materialmat-tab

Answer №1

It may be a little late, but I came across this post while searching for a solution.

Fortunately, I found one!

So here I am sharing my solution to give back to the community.

<ng-template matTabContent>
worked like magic for me

<mat-tab>
    <ng-template matTabContent>
        <div class="example-tab-content">
        ...
        </div>
    </ng-template>
</mat-tab>

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