fix(commonjs): handle node: builtins with strictRequires: auto
#1930
+57
−7
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Thanks for the PR. Please take some time to describe what your changes do differently. We're also discussing this in #1924 |
shellscape
requested review from
CharlieHelps
and removed request for
CharlieHelps
|
my apologies! charlie's summary in the linked issue and the code comment in this PR cover what i was intending, but i'll write in more detail when i'm back at my computer |
danielroe
commented
Oct 24, 2025
| isExternalWrapped | ||
| ) { | ||
| let resolvedDependencyId = dependencyId; | ||
| if (parentMeta.isCommonJS === IS_WRAPPED_COMMONJS && !allowProxy && isExternalWrapped) { |
There was a problem hiding this comment.
- Previously, we checked
parentMeta.initialCommonJSType === IS_WRAPPED_COMMONJSinstead ofparentMeta.isCommonJS === IS_WRAPPED_COMMONJS. With strictRequires: 'auto', I believe the initial type (before cycle detection) can differ from the final type.
danielroe
commented
Oct 24, 2025
Comment on lines
+206
to
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| } else if (isExternalWrapped && !allowProxy) { | ||
| // If the parent is not wrapped but the dependency is a node: builtin external, | ||
| // unwrap the EXTERNAL_SUFFIX so it's treated as a normal external. | ||
| // This avoids trying to load the lazy __require proxy for non-wrapped contexts. | ||
| const actualExternalId = unwrapId(dependencyId, EXTERNAL_SUFFIX); | ||
| if (actualExternalId.startsWith('node:')) { | ||
| resolvedDependencyId = actualExternalId; | ||
| } |
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node:builtins with the EXTERNAL_SUFFIX were always loaded withgetExternalBuiltinRequireProxy()which only exports__require(). However, when the parent module is not wrapped (no cycles detected with strictRequires: 'auto'), the generated code tried to import a default export that didn't exist.
(so in this case we can remove the suffix)
shellscape
requested review from
CharlieHelps
and removed request for
CharlieHelps and
shellscape
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Rollup Plugin Name:
@rollup/plugin-commonjsThis PR contains:
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If yes, then include "BREAKING CHANGES:" in the first commit message body, followed by a description of what is breaking.
List any relevant issue numbers:
resolves #1929
Description
this fixes an issue introduced in #1909, which added special handling for
node:builtins to avoid eager loading in wrapped modules...