fix(INetworkMonitorService): support safari browser

[ArgoZhang]

Link issues

fixes #6552

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

Feature-detect navigator.connection in the network monitor module to prevent runtime errors in Safari and other unsupported browsers

Bug Fixes:

• Only attach and invoke navigator.connection handlers when the API is available
• Log a warning instead of failing when navigator.connection is not supported

[sourcery-ai]

Reviewer's Guide

The PR enhances the network monitoring initialization to handle browsers without the NavigatorConnection API (e.g., Safari) by guarding event binding and initial state updates, and emits a console warning when unsupported.

Class diagram for updated network monitoring module

classDiagram
    class NetModule {
        +init(options)
    }
    NetModule : - updateState(connection)
    NetModule : - onlineStateChanged()
    NetModule : - offlineStateChanged()
    NetModule : +init(options)
    NetModule : +console.warn()
    note for NetModule "init now checks for navigator.connection before binding onchange and calling updateState. If not supported, logs a warning."

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File-Level Changes

Change	Details	Files
Guard network connection event handling behind navigator.connection check	Remove the original unconditional navigator.connection.onchange assignment Wrap the onchange handler registration in an if (navigator.connection) block Move the initial updateState call inside the navigator.connection existence check Add a console.warn for unsupported browsers lacking navigator.connection	src/BootstrapBlazor/wwwroot/modules/net.js

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6552	Fix the exception thrown in Safari browser by INetworkMonitorService.	✅
#6552	Add support for Safari browser in INetworkMonitorService.	✅

Possibly linked issues

• bug(INetworkMonitorService): throw exception in safari browser #6552: PR adds a check for navigator.connection to support Safari, fixing the issue.

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[sourcery-ai]

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

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.93%. Comparing base (582eebd) to head (1c5ee63).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6553   +/-   ##
=======================================
  Coverage   99.93%   99.93%           
=======================================
  Files         715      715           
  Lines       31471    31471           
  Branches     4444     4444           
=======================================
  Hits        31451    31451           
  Misses         15       15           
  Partials        5        5           

Flag	Coverage Δ
BB	99.93% <ø> (?)

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