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ref(bundler-plugins): Drop @babel/core peer dependency - #25406
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The babel-plugin export now declares loose public types, so its declarations no longer import from @babel/core.
mydea
approved these changes
Oct 15, 2026
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@sentry/bundler-pluginsno longer uses Babel at runtime. The./babel-pluginexport runs inside the user's own Babel, and imports Babel only for types. So the optional@babel/corepeer dependency had no effect: anyone who runs a Babel plugin already has Babel installed.The peer dependency did not help with types either. The emitted
.d.tsfiles imported from@babel/core, which ships no types of its own, so TypeScript users without@types/babel__coregot broken declarations. The exported plugin functions now use small loose types (BabelApi,BabelPlugin). The full Babel types stay internal, so the declarations no longer import from@babel/core.@babel/corestays a dev dependency for the build and tests.