feat(Table): support interface TItem

[ArgoZhang]

Link issues

fixes #6618

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Handle interface types in ObjectExtensions.CreateInstance to return default instead of throwing and add a unit test for this behavior

New Features:

• Make CreateInstance return default when TItem is an interface

Tests:

• Add unit test to verify CreateInstance returns null for interface types

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds support for interface-style generic types in ObjectExtensions.CreateInstance by early-returning default for interfaces and introduces a unit test to verify this behavior.

Class diagram for updated ObjectExtensions.CreateInstance method

classDiagram
    class ObjectExtensions {
        +static TItem? CreateInstance<TItem>(bool isAutoInitializeModelProperty = false)
    }
    ObjectExtensions : CreateInstance<TItem>()
    note for ObjectExtensions "Now returns default if TItem is an interface"

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Flow diagram for CreateInstance interface support logic

flowchart TD
    A[Start CreateInstance<TItem>] --> B{Is TItem an interface?}
    B -- Yes --> C[Return default]
    B -- No --> D[Create instance using Activator.CreateInstance<TItem>]
    D --> E{isAutoInitializeModelProperty?}
    E -- Yes --> F[Initialize model properties]
    E -- No --> G[Return instance]
    F --> G[Return instance]

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File-Level Changes

Change	Details	Files
Handle interface types in CreateInstance	Check if TItem is an interface and return default Avoid activating interface via Activator.CreateInstance	src/BootstrapBlazor/Extensions/ObjectExtensions.cs
Add unit test for interface instance creation	Add MockInterface definition Assert CreateInstance returns null	test/UnitTest/Extensions/ObjectExtensionsTest.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6618	Support using interface types (TItem) in the Table component, specifically allowing CreateInstance() to handle interface types without error.	✅

Possibly linked issues

• feat(Table): support interface TItem #6618: The PR implements support for interface TItem as requested in issue 6618.
• feat(Table): support interface TItem #6618: PR modifies CreateInstance to support interface TItem, resolving CS0310 issue with new() for required modifier.

---

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

Prompt for AI Agents

Please address the comments from this code review:
## Individual Comments

### Comment 1
<location> `src/BootstrapBlazor/Extensions/ObjectExtensions.cs:249` </location>
<code_context>
     /// <returns>An instance of the specified type with initialized properties.</returns>
     public static TItem? CreateInstance<TItem>(bool isAutoInitializeModelProperty = false)
     {
+        if(typeof(TItem).IsInterface)
+        {
+            return default;
+        }
+
</code_context>

<issue_to_address>
Consider handling abstract classes similarly to interfaces.

Abstract classes cannot be instantiated either; consider checking typeof(TItem).IsAbstract to prevent runtime exceptions.
</issue_to_address>

<suggested_fix>
<<<<<<< SEARCH
        if(typeof(TItem).IsInterface)
        {
            return default;
        }
=======
        if(typeof(TItem).IsInterface || typeof(TItem).IsAbstract)
        {
            return default;
        }
>>>>>>> REPLACE

</suggested_fix>

---

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[sourcery-ai]

suggestion (bug_risk): Consider handling abstract classes similarly to interfaces.

Abstract classes cannot be instantiated either; consider checking typeof(TItem).IsAbstract to prevent runtime exceptions.

Suggested change

	if(typeof(TItem).IsInterface)
	{
	return default;
	}
	if(typeof(TItem).IsInterface || typeof(TItem).IsAbstract)
	{
	return default;
	}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (2040c95) to head (482fd11).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6619   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          739       739           
  Lines        31672     31675    +3     
  Branches      4458      4459    +1     
=========================================
+ Hits         31672     31675    +3     

Flag	Coverage Δ
BB	100.00% <100.00%> (?)

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