Make yarn work inside a workspace with "type": "module"#1354
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arcanis merged 3 commits intoyarnpkg:masterfrom May 14, 2020
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Make yarn work inside a workspace with "type": "module"#1354arcanis merged 3 commits intoyarnpkg:masterfrom
arcanis merged 3 commits intoyarnpkg:masterfrom
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This ensures the file will correctly load in all workspaces, regardless of their "type". Fixes yarnpkg#985
Right now the command can fail if the temporary folder contains a package.json with `"type": "module"`.
This was referenced May 21, 2020
arcanis
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This improves the experience of working with yarn in workspaces that are marked as "type": "module" in the package.json file. This change has also been applied in yarn 2, see yarnpkg/berry#1354
arcanis
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Aug 27, 2020
This improves the experience of working with yarn in workspaces that are marked as "type": "module" in the package.json file. This change has also been applied in yarn 2, see yarnpkg/berry#1354
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What's the problem this PR addresses?
Yarn doesn't work inside workspaces with
"type": "module".Fixes #985
How did you fix it?
Switch the yarn releases from
.jsto.cjsfile extension. This marks the file as always being CommonJS, regardless of the surrounding workspace's type.The same change should be done in yarn v1, given that a lot of people will keep using v1 as global yarn for the foreseeable future.
Future work?
Right now we store the PnP file as
.pnp.jsfor regular workspaces, and as.pnp.cjsfor workspaces markedtype=module. There are some downsides to this approach:.pnp.jsfile, they will need to also check for.pnp.cjs.yarn && yarn pnpify --sdkand reload your IDE.Always using
.pnp.cjsremoves these downsides.