fix(Upload): preview function suppor wasm mode

[ArgoZhang]

Link issues

fixes #6884

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

Bug Fixes:

• Enable preview in wasm mode by retrieving files from inputFile.files when Data.get(id).files is undefined

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Enhanced the getPreviewUrl implementation to gracefully handle WASM mode by falling back to the inputFile element when the files array is unavailable, and streamlined the lookup logic.

Class diagram for updated upload data structure in getPreviewUrl

classDiagram
class Upload {
  files
  inputFile
}
class InputFile {
  files
}
Upload --> InputFile : contains

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Flow diagram for getPreviewUrl logic update

flowchart TD
A["getPreviewUrl(id, fileName)"] --> B["upload = Data.get(id)"]
B --> C{"files exists?"}
C -- Yes --> D["fileList = files"]
C -- No --> E["fileList = inputFile.files"]
D --> F["Find file by name"]
E --> F
F --> G{"file found?"}
G -- Yes --> H["url = URL.createObjectURL(file)"]
G -- No --> I["url = ''"]
H --> J["return url"]
I --> J

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File-Level Changes

Change	Details	Files
Support WASM mode in preview URL generation	Added inputFile to the destructured properties of the upload object Switched source of files to use files or inputFile.files Condensed nested conditionals into a single find and if check	src/BootstrapBlazor/wwwroot/modules/upload.js

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6884	Fix the bug where the AvatarUpload component does not display a preview image after selecting a file in wasm mode.	✅

Possibly linked issues

• bug(AvatarUpload): wasm 模式下预览功能不正常 #6884: The PR fixes the file object retrieval in upload.js to enable preview functionality in WASM mode, resolving the issue.
• bug(AvatarUpload): wasm 模式下预览功能不正常 #6884: The PR updates getPreviewUrl to correctly retrieve files for preview, resolving the webp image display issue in CardUpload.

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[Copilot]

Pull Request Overview

This PR fixes the preview function to support WASM mode by modifying the file retrieval logic in the upload module. The change ensures that files can be accessed from either the files property or the inputFile.files property when one is not available.

• Modified file retrieval logic to handle both files and inputFile.files properties
• Simplified conditional structure by removing nested if statements

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[sourcery-ai]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5c0be2f) to head (5fdb7dd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6889   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          739       739           
  Lines        31765     31765           
  Branches      4466      4466           
=========================================
  Hits         31765     31765           

Flag	Coverage Δ
BB	100.00% <ø> (?)

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