fix(conform-react): support resolveSubmission on server

[edmundhung]

Summary

• add a server-safe resolver factory to the existing intent module
• use the same factory for both the default export and configureForms
• run the existing resolveSubmission coverage in both Node and browser test projects

Fixes the issue reported in #954 (comment).

Verification

• pnpm --filter @conform-to/react typecheck
• pnpm --filter @conform-to/react build
• pnpm --filter @conform-to/react exec vitest --project 'conform-react (node)' --run --typecheck.enabled=false

Generated Summary

• Added createSubmissionResolver for server-safe resolveSubmission support.
• Reused the resolver factory for default exports and configured forms.
• Moved resolveSubmission exports to intent.
• Added Node and browser coverage for intent resolution cases.
• Added a patch changeset for @conform-to/react.

[changeset-bot]

🦋 Changeset detected

Latest commit: 680b4f4

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

This PR includes changesets to release 5 packages

Name	Type
@conform-to/react	Patch
@conform-to/dom	Patch
@conform-to/valibot	Patch
@conform-to/yup	Patch
@conform-to/zod	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

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📥 Commits

Reviewing files that changed from the base of the PR and between b1af2a5 and 680b4f4.

📒 Files selected for processing (4)

• packages/conform-react/future/forms.tsx
• packages/conform-react/future/index.ts
• packages/conform-react/future/intent.ts
• packages/conform-react/tests/resolveSubmission.test.ts

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• GitHub Check: Validate Preview / Examples
• GitHub Check: E2E Tests (windows-latest, chromium, 22)
• GitHub Check: E2E Tests (macos-latest, webkit, 22)
• GitHub Check: Future API Tests (windows-latest, chromium, 22)
• GitHub Check: E2E Tests (ubuntu-latest, webkit, 22)
• GitHub Check: Future API Tests (macos-latest, webkit, 22)
• GitHub Check: Future API Tests (macos-latest, chromium, 22)
• GitHub Check: E2E Tests (macos-latest, chromium, 22)
• GitHub Check: Cloudflare Pages

🔇 Additional comments (4)

packages/conform-react/future/intent.ts (1)

564-596: LGTM!

Also applies to: 603-605

packages/conform-react/tests/resolveSubmission.test.ts (1)

1-98: LGTM!

packages/conform-react/future/forms.tsx (1)

2-2: LGTM!

Also applies to: 43-43, 80-80

packages/conform-react/future/index.ts (1)

46-46: LGTM!

---

📝 Walkthrough

Walkthrough

The PR moves resolveSubmission into a shared submission module, re-exports it from the future API, updates the login action to use targetValue, and adds tests for supported and unknown intents.

Changes

Submission resolution API

Layer / File(s)	Summary
Submission resolution functions packages/conform-react/future/submission.ts	Adds resolveSubmissionWithHandlers and resolveSubmission. The functions parse intents, resolve target values, and merge default and custom handlers.
Forms integration and public export packages/conform-react/future/forms.tsx, packages/conform-react/future/index.ts	Updates forms processing to use the shared resolver and re-exports resolveSubmission from submission.ts.
Consumer validation and release metadata examples/nextjs/app/login/_action.ts, packages/conform-react/tests/resolveSubmission.node.test.ts, .changeset/calm-forms-resolve.md	Updates login validation to use targetValue, adds resolution-path tests, and declares a patch release.

Priority: ⬇️ Low — Defer the server-side submission resolver change because it is a focused @conform-to/react API update without elevated external urgency.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to 680b4

This change makes submission resolution available through the server-safe intent API while preserving configured form handlers and existing resolution behavior. No concrete current-head merge risk remains.

Sequence Diagram(s)

sequenceDiagram
  participant LoginAction
  participant resolveSubmission
  participant IntentHandlers
  participant Validation
  LoginAction->>resolveSubmission: resolve submission
  resolveSubmission->>IntentHandlers: parse and resolve intent
  IntentHandlers-->>resolveSubmission: return intent and targetValue
  resolveSubmission-->>LoginAction: return resolved submission data
  LoginAction->>Validation: validate targetValue or empty object

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🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: enabling resolveSubmission for server-side use in conform-react.

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_{A rabbit hops through forms so bright
Resolving intents left and right
Payloads rest in fields anew
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Server components join the play
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