fix(Search): network delay causes input lag

[ArgoZhang]

Link issues

fixes #5575

Summary By Copilot

This pull request includes significant changes to the AutoComplete and Search components in the BootstrapBlazor library. The primary focus is on refactoring to use a new BootstrapBlazorRender component, which replaces the previous AutoCompleteItems component. This change aims to streamline the rendering process and improve code maintainability.

Refactoring to use BootstrapBlazorRender component:

• src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor: Replaced the RenderTemplate with BootstrapBlazorRender for rendering dropdown content.
• src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.cs: Updated the _dropdown field type from AutoCompleteItems to BootstrapBlazorRender and changed the TriggerChange method to use the new Render method. [1] [2]
• src/BootstrapBlazor/Components/BaseComponents/BootstrapBlazorRender.cs: Renamed from AutoCompleteItems.cs and updated the class to BootstrapBlazorRender. Added a static _emptyRenderFragment and modified the Render method to handle null ChildContent. [1] [2]

Changes to Search component:

• src/BootstrapBlazor/Components/Search/Search.razor: Updated to use BootstrapBlazorRender for rendering dropdown content. [1] [2]
• src/BootstrapBlazor/Components/Search/Search.razor.cs: Added a _dropdown field of type BootstrapBlazorRender and implemented logic to control rendering with _render flag. [1] [2] [3]

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

Refactors the AutoComplete and Search components to use the new BootstrapBlazorRender component, replacing the previous AutoCompleteItems component. This change streamlines the rendering process and improves code maintainability. Also, fixes an issue where network delay causes input lag in the Search component by controlling rendering with a flag.

New Features:

• Adds a ShowClearButton parameter to the Search component.

Enhancements:

• Replaces the AutoCompleteItems component with BootstrapBlazorRender to streamline the rendering process in AutoComplete and Search components.
• Improves code maintainability by using a single component for rendering dropdown content.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request refactors the AutoComplete and Search components to use BootstrapBlazorRender for rendering dropdown content, which improves code maintainability and addresses input lag issues caused by network delays. The AutoCompleteItems component was replaced with BootstrapBlazorRender, and rendering logic in the Search component was improved using a render flag.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Refactored AutoComplete and Search components to use BootstrapBlazorRender for rendering dropdown content.	Replaced AutoCompleteItems with BootstrapBlazorRender in AutoComplete component. Updated Search component to use BootstrapBlazorRender for rendering dropdown content. Renamed AutoCompleteItems.cs to BootstrapBlazorRender.cs and updated the class to handle null ChildContent.	src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.cs src/BootstrapBlazor/Components/BaseComponents/BootstrapBlazorRender.cs src/BootstrapBlazor/Components/Search/Search.razor src/BootstrapBlazor/Components/Search/Search.razor.cs
Improved rendering logic in the Search component to prevent input lag due to network delays.	Added a _render flag to control rendering in the Search component. Implemented logic to update the _render flag in the TriggerChange method of the Search component. Call Render() method on the _dropdown ref in TriggerChange to force a re-render.	src/BootstrapBlazor/Components/Search/Search.razor.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#5575	Reduce input lag in the Search and AutoComplete components caused by network delay.	✅

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider using a consistent naming scheme, either RenderItems or RenderDropdown, for both components.
• The _render flag in Search.razor.cs seems a bit complex; consider if there's a simpler way to control rendering.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

---

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (def8f94) to head (f3f0d6f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #5576   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          650       649    -1     
  Lines        29627     29623    -4     
  Branches      4170      4170           
=========================================
- Hits         29627     29623    -4     

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[ArgoZhang]

@sourcery-ai review

[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider if BootstrapBlazorRender should be a base class instead of a component.
• The _render flag in the Search component might be better handled with ComponentBase.InvokeAsync(StateHasChanged).

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

---

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• X
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_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}