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fix(cloudflare): auto-instrument a re-exported default export - #25345
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isaacs
added this pull request to stack #25346
October 14, 2026 03:02
The Vite plugin did not wrap a Worker entry whose default export comes
from another module:
```js
export { default } from './handler';
export { handler as default } from './handler';
```
The transform now imports the handler under a private name, wraps it
with `withSentry`, and exports the wrapper as the default.
The handler may already be wrapped in its own module, which the build
cannot see. So the wrap goes through `_INTERNAL_wrapUnlessInstrumented`,
the same guard that class re-exports use. For a handler object, a second
`withSentry` call adds nothing anyway, because each method is patched
only once.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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October 14, 2026 04:03
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The Vite plugin did not wrap a Worker entry whose default export comes from another module:
The transform now imports the handler under a private name, wraps it with
withSentry, and exports the wrapper as the default.The handler may already be wrapped in its own module, which the build cannot see. So the wrap goes through
_INTERNAL_wrapUnlessInstrumented, the same guard that class re-exports use. For a handler object, a secondwithSentrycall adds nothing anyway, because each method is patched only once.