fix(html): handle relative base in asset links

[andylizi]

Description

Fixes #4517.

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the Commit Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[patak-dev]

Hey @andylizi, sorry we didn't get to this PR before. For Vite v3 we're working to rework the way relative base works. We're going to bump the modern browsers target so we can start using new URL(path, import.meta.url). This allows us to implement

• feat!: relative base #7644

Would you be able to check #7644 and see if it works for your use case? I think we could take some of your tests here in case the PR already fixes #4517.

[andylizi]

Would you be able to check #7644 and see if it works for your use case?

I tried it out using the reproduction steps in #4517, and strangely the first attempt failed (still wrong urls) but the second
and subsequent attempts succeed without any issue. I don't think I had actually changed anything between the attempts, so I'm not sure what had happened the first time…

[andylizi]

Superseded by #7644.

[patak-dev]

@andylizi let us know if you still see the issue you encountered in that last comment