Cannot load plugins without proj config

[stefanv]

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Latest commit: 1b15b1557187468ea7e421e147c39a4987952105

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[agoose77]

@stefanv can you share the thought process behind why this PR is necessary? From a first glance, it means that loadPlugins may silently not load plugins, which is not ideal.

[stefanv]

Yes, I believe there is a bug currently. When I start the myst content server, I noted that plugins are not loaded. This PR avoids the problematic usage of loadPlugins where the project config is not yet available. All subsequent attempts to load plugins then fails.

This at least makes plugins work with web page content, but it does not address another issue, which is that parts are loaded even earlier, before plugins are available.

[agoose77]

Can you publish a reproducer? The myst docs use plugins, and the content server loads them just fine.

[stefanv]

I added the scienceicons extension to the landing-pages repo. I can share the exact repo, and log, showing that the plugin doesn't load, when I'm back at a computer.

[agoose77]

Hi @stefanv, any update on a reproducer here?

[stefanv]

Looks like an interaction between using parts + plugin.

Try this content repo: https://github.com/stefanv/cryocloud-landing-demo/tree/no-plugin-reproducer

And then use this PR branch vs main branch of mystmd. You'll (hopefully) see that the plugins load with one, but not the other.

[stefanv]

Superseded by #2093