fix: Configure Rollup's external to support subpaths too #722
+32
−2
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Summary
This PR fixes an issue with
--dts-resolve
.When relying on types coming
from 'some-package/some-subpath'
, anything that is not importedfrom 'some-package'
would end up getting unnecessarily bundled into the emitted.d.ts
bundle.It seems we were configuring Rollup's
external
with exact package names.Here we're adjusting to use the same regex approach taken with esbuild:
tsup/src/esbuild/index.ts
Lines 80 to 81 in d074dd9