[Feature Request] Multi-tag filtering in tags page

[northword]

Describe the feature

Generally blog posts have multiple tags, and a single tag cannot accurately describe the blog post you want to find.
For example, post 1, 2, and 3 has tags js and ts, its both js and ts involved; post 4, 5 and 6 only has tag js; post 7, 8 and 9 only has tag ts.
When multi-tag filtering is supported, I can select both js and ts to quickly list post 1, 2, 3.

Additional context

No response

[Mister-Hope]

@northword You should know that VuePress generate html files for links and you are requesting a n^3 feature, with 10 tags the combination are at 1000 level.

[northword]

@northword You should know that VuePress generate html files for links and you are requesting a n^3 feature, with 10 tags the combination are at 1000 level.

Sorry, please forgive my ignorance, but I noticed that the vdoing theme generates the tags page with only one tags/index.html, each tag is accessed through https://xugaoyi.com/tags/?tag=css and there is no tags/css/index.html in the build files.
In the hope theme, it generates tags/index.html, tags/css/index.html.

Is this one of the differences between vuepress1 and vuepress2?

If it's something like vdoing, it seems to be possible without generating an exponential number of pages (of course, vdoing doesn't support multi-tag filtering at the moment either).

I really don't know much about this, so please correct me if there are any mistakes, thanks.

[Mister-Hope]

@northword Yes, we can support that, but that will lose ssr.

[northword]

Yes, we can support that, but that will lose ssr.

I don't know much about server-side rendering, how much work would it be to have an option for the user to decide if they need to sacrifice ssr for multi-tab filtering or choose to keep ssr?
Please decide if you want to implement this feature based on your arrangement, and thanks for your excellent theme!

[Mister-Hope]

TBH, I am looking forward to this feature, but I may need to plan the interactions and the interface. It could be an extra page.

[northword]

That's cool! I'm looking forward to this feature too!

Let me describe in detail another example where I want to use multi-tag filtering:

We currently maintain some CSL styles for Chinese journals and thesis, and we use scripts to generate the preview files for each style in the repository and build a website using vuepress and theme-hope.

CSL - Citation Style Language, simply speaking, is an XML-based markup language for describing the format of references. The knowledge management software Zotero and Mendeley both use CSL.

We subsequently want to add tags like "no url", "no doi", "name capitalization", etc. to each style so that people who need them can quickly find the one that fits their needs. Therefore, multi-tag filtering is a great way to improve user experience. Not only for this project, but also for blogs in general, this is a feature that can improve the visitor experience.

The URL of the project mentioned above is https://zotero-cn.github.io/styles, we hope it can provide you with some reference on the requests.

Thanks again for your work!