[Bug?]: ERR_MODULE_NOT_FOUND when trying to run a package with a .mjs bin

[Virakal]

Self-service

• I'd be willing to implement a fix

Describe the bug

Trying to run Husky on Yarn 4.x fails if I don't use the node-modules linker with the following error:

node:internal/process/esm_loader:40
      internalBinding('errors').triggerUncaughtException(
                                ^

Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/home/xxx/.yarn/berry/cache/husky-npm-9.0.10-93b6062488-10c0.zip/node_modules/husky/bin.mjs' imported from /home/xxx/Repos/xxx/xxx/
Did you mean to import /home/xxx/.yarn/berry/cache/husky-npm-9.0.10-93b6062488-10c0.zip/node_modules/husky/bin.mjs?
    at new NodeError (node:internal/errors:405:5)
    at finalizeResolution (node:internal/modules/esm/resolve:327:11)
    at moduleResolve (node:internal/modules/esm/resolve:980:10)
    at defaultResolve (node:internal/modules/esm/resolve:1193:11)
    at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:403:12)
    at ModuleLoader.resolve (node:internal/modules/esm/loader:372:25)
    at ModuleLoader.getModuleJob (node:internal/modules/esm/loader:249:38)
    at ModuleLoader.import (node:internal/modules/esm/loader:335:34)
    at node:internal/modules/run_main:92:28
    at loadESM (node:internal/process/esm_loader:34:13) {
  url: 'file:///home/xxx/.yarn/berry/cache/husky-npm-9.0.10-93b6062488-10c0.zip/node_modules/husky/bin.mjs',
  code: 'ERR_MODULE_NOT_FOUND'
}

So far as I can tell it started occurring when they moved from bin.js to bin.mjs but I don't know much about this at all.

Originally reported at: typicode/husky#1390

To reproduce

yarn set version 4.1.0
yarn add husky
yarn husky

Environment

System:
    OS: Linux 5.15 Ubuntu 22.04.3 LTS 22.04.3 LTS (Jammy Jellyfish)
    CPU: (6) x64 AMD Ryzen 5 5600X 6-Core Processor
  Binaries:
    Node: 20.11.0 - /tmp/xfs-4ee14e1a/node
    Yarn: 4.1.0 - /tmp/xfs-4ee14e1a/yarn
    npm: 10.2.4 - ~/.local/share/mise/installs/node/lts/bin/npm

Additional context

This is on WSL2, not sure if that is relevant at all. I've reproduced it on Node 18 as well.

[Virakal]

To be clear, this works fine with Yarn 1.x or with the node-modules linker enabled.

[suguanYang]

have you used yarn pnp?

[Virakal]

Yes, all defaults - nothing in .yarnrc.yml at all.

[suguanYang]

Yes, all defaults - nothing in .yarnrc.yml at all.

I have similar issue when use babel loader, and it's caused by an 'import(xxx)' in a cjs file

babel/babel-loader#1015

[clemyan]

In this case, yarn is unable to automatically determine the ESM loader is needed. You need to force it by setting pnpEnableEsmLoader.