fix(core): Guard against undefined chained in copyProps#20637
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nicohrubec merged 1 commit intodevelopfrom May 4, 2026
Merged
fix(core): Guard against undefined chained in copyProps#20637nicohrubec merged 1 commit intodevelopfrom
nicohrubec merged 1 commit intodevelopfrom
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Non-standard thenables (e.g. Fastify reply objects) can return `undefined` from `.then()`, causing a `TypeError` in `copyProps` when using the `in` operator on `undefined`. Return the original object as fallback. Closes #20623 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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mydea
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May 4, 2026
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Non-standard thenables (e.g. Fastify reply objects) can return
undefinedfrom.then(), which crashescopyPropswithTypeError: Cannot use 'in' operator to search for 'raw' in undefined. Added a guard to return the original object as fallback whenchainedis falsy.Closes #20623