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[node] ignore shouldAddHelpers when exporting a server to match production #11738

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QuiiBz
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@QuiiBz QuiiBz commented Jun 17, 2024

Follow-up to https://x.com/maggiepint/status/1801975947421442137, we have a difference between production and development (vc dev) regarding shouldAddHelpers:

  • In production, if the user exports a server (e.g. express), we don't add helpers
  • In development, we always add helpers

That means we set/override things like req.body in development, but don't in production. Changing the logic in production can trigger unexpected behaviors and break existing applications, so we should instead fix the CLI to have the same behavior as production.

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changeset-bot bot commented Jun 17, 2024

🦋 Changeset detected

Latest commit: 36ce6f4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages
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@vercel/node Minor
vercel Patch

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trek
trek previously approved these changes Jun 18, 2024
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@TooTallNate TooTallNate left a comment

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Change looks fine, but we should add a test.

@QuiiBz QuiiBz merged commit 8ae40d0 into main Jun 20, 2024
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@QuiiBz QuiiBz deleted the tomlienard/ec-2223-ignore-shouldaddhelpers-in-vercel-cli-when-using-a-server branch June 20, 2024 13:17
EndangeredMassa pushed a commit that referenced this pull request Jun 25, 2024
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
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yet, that's fine, whenever you add more changesets to main, this PR will
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# Releases
## @vercel/node@3.2.0

### Minor Changes

- Ignore `shouldAddHelpers` when exporting a server to match production
([#11738](#11738))

### Patch Changes

- Update undici dep to address vulnerabilities
([#11749](#11749))

## vercel@34.2.8

### Patch Changes

- Updated dependencies
\[[`fd069f184`](fd069f1),
[`8ae40d096`](8ae40d0),
[`f0d6acaa0`](f0d6aca),
[`e33756494`](e337564),
[`dcb7fa5f9`](dcb7fa5)]:
    -   @vercel/node@3.2.0
    -   @vercel/next@4.2.18
    -   @vercel/remix-builder@2.1.8

## @vercel/next@4.2.18

### Patch Changes

- Allow app router prerender functions to use streaming
([#11745](#11745))

- Add experimental preload flag
([#11753](#11753))

## @vercel/remix-builder@2.1.8

### Patch Changes

- Add opt-in env var to use native Fetch polyfills
([#11748](#11748))

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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3 participants