`path.win32.isAbsolute` considers relative paths absolute

Version

22.11.0

Platform

Linux pc 6.8.0-48-generic #48-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 14:04:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

Subsystem

No response

What steps will reproduce the bug?

require('path').win32.isAbsolute('\\foo') === true

How often does it reproduce? Is there a required condition?

Yes. No.

What is the expected behavior? Why is that the expected behavior?

Here's a behavior of cd on Windows:

C:\Users\user> cd \Windows
C:\Windows>

\Windows is relative to drive name.

Expected output for isAbsolute() is false.

What do you see instead?

isAbsolute() is true.

Additional information

(Edited to prevent the issue from deletion by dumb AI.)

从报告的 require('path').win32.isAbsolute 入口点开始，跟踪其实现和现有的 path 测试。复现 '\foo' 情况，为预期的 Windows 行为添加回归测试覆盖，并验证相关测试通过。