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[build-utils] Update zipPath type to support existing callers#15887

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fix-finalize-func-type
Apr 10, 2026
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[build-utils] Update zipPath type to support existing callers#15887
healeycodes merged 1 commit into
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fix-finalize-func-type

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Follow up to:

After using the exported functions for existing callers, I realized we didn't get the zipPath type correct.

As the goal is to avoid any semantic changes for existing callers, we have to fix it here.

@healeycodes healeycodes requested a review from ofhouse April 9, 2026 14:23
@healeycodes healeycodes requested a review from a team as a code owner April 9, 2026 14:23
@changeset-bot

changeset-bot Bot commented Apr 9, 2026

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🦋 Changeset detected

Latest commit: 0242a01

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

This PR includes changesets to release 16 packages
Name Type
@vercel/build-utils Patch
@vercel/backends Patch
vercel Patch
@vercel/client Patch
@vercel/elysia Patch
@vercel/express Patch
@vercel/fastify Patch
@vercel/fs-detectors Patch
@vercel/gatsby-plugin-vercel-builder Patch
@vercel/h3 Patch
@vercel/hono Patch
@vercel/koa Patch
@vercel/nestjs Patch
@vercel/node Patch
@vercel/static-build Patch
@vercel/cervel Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@vercel

vercel Bot commented Apr 9, 2026

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Low Risk — Type refinement + null coalescing for API contract consistency with tests.

  • finalize-lambda.ts: changed zipPath type from optional string to string | null
  • finalize-lambda.ts: added null coalescing (?? null) for zipPath return value
  • unit.finalize-lambda.test.ts: added test assertions for zipPath null and custom path cases

Assessed at 0242a01.

@github-actions

github-actions Bot commented Apr 9, 2026

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🧪 Unit Test Strategy

Comparing: ae85c7c0242a01 (view diff)

Strategy: Code changed outside of a package - running all unit tests

⚠️ All unit tests will run because global code changes could impact all packages.

Affected packages - 40 (100%)
  1. @vercel-internals/get-package-json
  2. @vercel/backends
  3. @vercel/build-utils
  4. @vercel/cervel
  5. @vercel/cli-auth
  6. @vercel/client
  7. @vercel/config
  8. @vercel/detect-agent
  9. @vercel/edge
  10. @vercel/elysia
  11. @vercel/error-utils
  12. @vercel/express
  13. @vercel/fastify
  14. @vercel/firewall
  15. @vercel/frameworks
  16. @vercel/fs-detectors
  17. @vercel/functions
  18. @vercel/gatsby-plugin-vercel-builder
  19. @vercel/go
  20. @vercel/h3
  21. @vercel/hono
  22. @vercel/hydrogen
  23. @vercel/koa
  24. @vercel/nestjs
  25. @vercel/next
  26. @vercel/node
  27. @vercel/oidc
  28. @vercel/oidc-aws-credentials-provider
  29. @vercel/python
  30. @vercel/python-analysis
  31. @vercel/redwood
  32. @vercel/related-projects
  33. @vercel/remix-builder
  34. @vercel/routing-utils
  35. @vercel/ruby
  36. @vercel/rust
  37. @vercel/static-build
  38. @vercel/static-config
  39. examples
  40. vercel

Results

  • Unit tests: All affected packages will run unit tests
  • E2E tests: Running in parallel via E2E Tests workflow
  • Type checks: All affected packages will run type checks

This comment is automatically generated based on the affected testing strategy

@healeycodes healeycodes requested a review from Melkeydev April 9, 2026 16:21
@healeycodes healeycodes merged commit 2e15ee8 into main Apr 10, 2026
202 checks passed
@healeycodes healeycodes deleted the fix-finalize-func-type branch April 10, 2026 05:57
healeycodes pushed a commit that referenced this pull request Apr 10, 2026
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
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to main, this PR will
be updated.


# Releases
## vercel@50.43.0

### Minor Changes

- Add Deployment Checks support to `deploy --prod`. Shows "Running
Checks..." spinner when checks are pending, detects check failures
before alias promotion, and displays failed check run details with links
to logs. ([#15884](#15884))

- Extend marketplace integration CLI parity: add `vercel integration
installations` to list team installations (with optional `--integration`
filter and JSON output), align `vercel integration update` argument
parsing with other subcommands (parse only tokens after `update`, so the
integration slug is the first positional), and ship related
help/telemetry updates.
([#15849](#15849))

- Add `vercel project protection` actions for automation protection
bypass via PATCH `/v1/projects/.../protection-bypass`
(`--protection-bypass`).
([#15862](#15862))

- Add `vercel project protection` actions for customer support code
visibility (`--customer-support-code-visibility`).
([#15860](#15860))

- Add `vercel project protection` actions for Git fork protection
(`--git-fork-protection`).
([#15861](#15861))

- [services] migrate python workers to Queues V3 API
([#15885](#15885))

- [cli] Add `vercel flags override` subcommand to encrypt and decrypt
flag override tokens for the `vercel-flag-overrides` cookie
([#15875](#15875))

### Patch Changes

- Persist CLI telemetry across invocations with bounded-time sessions,
stable installation device IDs, and per-invocation identifiers.
([#15872](#15872))

- Update the `vercel metrics` CLI to use the V2 observability metrics
API with `--metric`-based schema inspection and querying.
([#15876](#15876))

- Improve `vercel integration add` command to support fallback to the
discover API and first-party integrations.
([#15788](#15788))

- refactor(cli): remove FF_AUTO_PROVISION_INSTALL feature flag and dead
code from `integration add`
([#15871](#15871))

- Updated dependencies
\[[`5e02289f927050a6c1025cc0edb7eda607fd5e73`](5e02289),
[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/detect-agent@1.2.2
    -   @vercel/build-utils@13.14.1
    -   @vercel/backends@0.0.58
    -   @vercel/elysia@0.1.61
    -   @vercel/express@0.1.71
    -   @vercel/fastify@0.1.64
    -   @vercel/go@3.4.7
    -   @vercel/h3@0.1.70
    -   @vercel/hono@0.2.64
    -   @vercel/hydrogen@1.3.6
    -   @vercel/koa@0.1.44
    -   @vercel/nestjs@0.2.65
    -   @vercel/next@4.16.5
    -   @vercel/node@5.7.3
    -   @vercel/python@6.29.0
    -   @vercel/redwood@2.4.12
    -   @vercel/remix-builder@5.7.2
    -   @vercel/ruby@2.3.2
    -   @vercel/rust@1.1.0
    -   @vercel/static-build@2.9.11

## @vercel/client@17.3.0

### Minor Changes

- Add Deployment Checks support to `deploy --prod`. Shows "Running
Checks..." spinner when checks are pending, detects check failures
before alias promotion, and displays failed check run details with links
to logs. ([#15884](#15884))

### Patch Changes

- Updated dependencies
\[[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/build-utils@13.14.1

## @vercel/backends@0.0.58

### Patch Changes

- Updated dependencies
\[[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/build-utils@13.14.1

## @vercel/build-utils@13.14.1

### Patch Changes

- Restore `finalizeLambda()` to return `zipPath: null` for the default
in-memory path, preserving the existing caller-facing result contract
while keeping custom ZIP strategies supported.
([#15887](#15887))

- feat(node): filter non-entrypoint Node.js files in `/api` directory
([#15873](#15873))

## @vercel/cervel@0.0.45

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/backends@0.0.58

## @vercel/detect-agent@1.2.2

### Patch Changes

- Detect Cursor agent execution when
`CURSOR_EXTENSION_HOST_ROLE=agent-exec` is set so tools launched from
Cursor still report the `cursor-cli` agent when `CURSOR_AGENT` is not
present. ([#15879](#15879))

## @vercel/elysia@0.1.61

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/express@0.1.71

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3
    -   @vercel/cervel@0.0.45

## @vercel/fastify@0.1.64

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/fs-detectors@5.15.1

### Patch Changes

- feat(node): filter non-entrypoint Node.js files in `/api` directory
([#15873](#15873))

- Updated dependencies
\[[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/build-utils@13.14.1

## @vercel/gatsby-plugin-vercel-builder@2.1.11

### Patch Changes

- Updated dependencies
\[[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/build-utils@13.14.1

## @vercel/h3@0.1.70

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/hono@0.2.64

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/koa@0.1.44

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/nestjs@0.2.65

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.7.3

## @vercel/node@5.7.3

### Patch Changes

- Updated dependencies
\[[`2e15ee828f14de4a849a462429ca03feab161174`](2e15ee8),
[`a31c84d1bda56a60da6d7bc6d611b0b18ba3bf57`](a31c84d)]:
    -   @vercel/build-utils@13.14.1

## @vercel/static-build@2.9.11

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/gatsby-plugin-vercel-builder@2.1.11

## @vercel/python-workers@0.0.14

### Patch Changes

- [services] migrate python workers to Queues V3 API
([#15885](#15885))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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