Alternative package manager support for the module resolution

[XiNiHa]

Describe the feature

Since the currently implemented plugin resolve algorithm relies on the node_modules structure, it doesn't work with alternative module linking approaches like ones from pnpm and Yarn Berry.
While directly pointing at the WASM binary is implemented as a temporary workaround, this should be covered with a more elegant and user-friendly approach.

Initially discussed in the Discord channel

Babel plugin or link to the feature description

No response

Additional context

No response

[kwonoj]

This is largely about module resolution we use in swc. It is not limited to plugin itself but somewhat overlaps to bundler, or any other features needs module resolution in some way.

Two main questions

• We'll support npm as first class citizen. What else / and how? there are some esoteric implementation like yarn's pnp.
• What / how to provide way to explicitly specify some resolution? We already support polymorphic behavior of plugin config itself (path vs. module name). But we need better.

[charrondev]

We'll support npm as first class citizen. What else / and how? there are some esoteric implementation like yarn's pnp.

One really nice thing about yarn pnp is that there is one source of truth for how modules are resolved. Particularly with monorepo structures it can be really complicated if there are multiple things trying to resolve a module:

• Your IDE.
• Your bundler.
• Other tooling (type-checker, linting, etc).

[kwonoj]

One really nice thing about yarn pnp

I know good things about pnp and I'd like to use for some other places as well.

Main blocker in here is yarn's pnp resolution relies on its generated resolver in js, which swc's host cannot resolve by running it. This means it may requires to reimplement whole resolving logic by ourselves which I consider as heavy blocker to support.

[RiESAEX]

for plugin:
I think a postInstall would work,
or maybe we can put it in bin in package.json and try to parse generated .sh file in node_modules/.bin.
for bundler:
I think it support pnpm since we follow soft link. but no idea for yarn pnp.

[laclance]

any update?

[kwonoj]

We do not have any work in the progress / do not have visible plan for this. This issue is filed for tracking purpose.

[Ethorsen]

Support for Yarn 3.x PNP would be really appreciated. Thx