Fix select item issues in auto mode of BitNav (#10192)

[msynk]

closes #10192

Summary by CodeRabbit

• Refactor
  • Enhanced the navigation component to handle cases where a selection might be absent.
  • Improved the process for determining the active navigation item based on the current page, ensuring a smoother and more resilient navigation experience.

[coderabbitai]

Walkthrough

The pull request updates the BitNav component. The method signature for SetSelectedItem now accepts a nullable item (TItem?) instead of a non-nullable one. Additionally, the internal logic of SetSelectedItemByCurrentUrl has been modified to call the updated SetSelectedItem method, ensuring that the control flow correctly handles potential null values.

Changes

File	Change Summary
src/.../BitNav.razor.cs	Updated SetSelectedItem signature from TItem to TItem?; modified SetSelectedItemByCurrentUrl to invoke SetSelectedItem

Sequence Diagram(s)

sequenceDiagram
    participant N as Navigation Handler
    participant B as BitNav Component
    N->>B: Trigger update by current URL
    B->>B: Execute SetSelectedItemByCurrentUrl()
    B->>B: Call SetSelectedItem(TItem? item)
    B-->>N: Return updated selection state

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Poem

Hop, hop, I scamper along the code,
With nulls welcomed on this brisk new road.
Methods refined with a gentle tweak,
My burrow of logic now sings unique.
A bunny’s cheer in every byte,
Leaping high with pure delight!

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Actionable comments posted: 0

🧹 Nitpick comments (1)

src/BlazorUI/Bit.BlazorUI/Components/Navs/Nav/BitNav.razor.cs (1)

890-890: Fixed routing issue by using SetSelectedItem

This change properly updates SetSelectedItemByCurrentUrl to call the revised SetSelectedItem method instead of directly manipulating state. This ensures consistent behavior when selecting items, especially when no matching item is found.

Since this is an async call, consider refactoring this method to be async and properly await the call rather than discarding the task with _.

-        _ = SetSelectedItem(currentItem);
+        await SetSelectedItem(currentItem);

You would also need to update the method signature:

-    private void SetSelectedItemByCurrentUrl()
+    private async Task SetSelectedItemByCurrentUrl()

And update the callers to await the result.

📜 Review details

Configuration used: CodeRabbit UI
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📥 Commits

Reviewing files that changed from the base of the PR and between d064033 and a02b697.

📒 Files selected for processing (1)

• src/BlazorUI/Bit.BlazorUI/Components/Navs/Nav/BitNav.razor.cs (2 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: build and test

🔇 Additional comments (1)

src/BlazorUI/Bit.BlazorUI/Components/Navs/Nav/BitNav.razor.cs (1)

756-765: Appropriate update to support nullable items

The change to accept a nullable type (TItem?) for the parameter is a good improvement that aligns with the PR objective to fix selection issues in auto mode. This will properly handle cases where no matching item is found during URL-based selection.

When working with async methods, consider using await rather than the discard pattern (_) when calling the method from non-async contexts.