[Feature request] Support yarn berry pnp

[danieltroger]

There's a new version of yarn: https://github.com/yarnpkg/berry And it completely gets rid of node_modules, the dependencies are instead in zip files in.yarn/cache.

Right now that makes typescript not find any dependencies and say things like Cannot find module 'solid-js' or its corresponding type declarations..

It would be great if you could add support somehow.

This is the page describing how to use it with vscode: https://next.yarnpkg.com/getting-started/editor-sdks

It appears to wrap pnpify around tsserver which then emulates a node_modules folder or something. Through my attempts to get vscode to use it, atom has also started using it:

USER               PID  %CPU %MEM      VSZ    RSS   TT  STAT STARTED      TIME COMMAND
daniel           37279   0.0  0.9 20959556 300720   ??  S     7:52PM   0:08.84 /Applications/Atom.app/Contents/Frameworks/Atom Helper (Renderer).app/Contents/MacOS/Atom Helper (Renderer) --no-deprecation [project_dir]/.yarn/sdks/typescript/lib/tsserver.js --locale en

But it doesn't work in vscode nor in atom :( Since I don't want to start using vscode because it sucks it would be great if you could make it work with atom :)

[danieltroger]

So it turns out the editor integrations are all broken because of a typescript upgrade, see: https://github.com/yarnpkg/berry/issues/3722

I downgraded typescript and now the imports and type declarations magically work with pnp in atom!

BUT, I can't "go to definition" because that opens zip:, so atom would need some kind of zip fs and I guess nobody wants to make that :(

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