fix: add diagnostic hints for bundling failures in functions runner#1698
Merged
disintegrator merged 2 commits intomainfrom Feb 26, 2026
Merged
fix: add diagnostic hints for bundling failures in functions runner#1698disintegrator merged 2 commits intomainfrom
disintegrator merged 2 commits intomainfrom
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…unner When user code fails to import due to bundling-incompatible packages (e.g. sync-request requiring xhr-sync-worker.js), the gram_err_003 error now includes an actionable hint explaining the cause and suggesting a fix. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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🦋 Changeset detectedLatest commit: ee84f75 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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Feb 26, 2026
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Summary
diagnoseImportError()to the JS function runner entrypoint that pattern-matches known bundling failures and appends actionable hints to thegram_err_003error messagesync-request/sync-rpcworker files, native.nodeaddons, and generic relative-path resolution failuresContext
Users deploying functions that depend on
sync-request(or other packages requiring auxiliary worker files) see a genericUnable to import user code: functions.js (gram_err_003)error. The root cause — esbuild can't include standalone worker files in a single-file bundle — is not obvious from the error alone.Before:
After:
Test plan
vitest run tests/gram-start.test.ts)🤖 Generated with Claude Code