fix(expo-passkeys): honor excludeCredentials on iOS passkey registration - #9920
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🦋 Changeset detectedLatest commit: 3b5725c 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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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. 📝 WalkthroughWalkthroughThe iOS passkey registration path now accepts excluded credential IDs and uses valid decoded IDs as registration exclusions on iOS 17.4 or later. The iOS authorization error handling preserves non-cancellation error codes and recognizes matched excluded credentials on iOS 18 or later. The JavaScript error mapper maps native error code 1006 to Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to A narrow class of valid typed-array credential IDs may still bypass iOS duplicate prevention. The issue is bounded, but should be fixed or explicitly accepted before relying on the change for those inputs. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 5 files. (1 skipped: 1 unsupported.)
Comment ✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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…s-excludecredentials-and-never
@clerk/astro
@clerk/backend
@clerk/chrome-extension
@clerk/clerk-js
@clerk/electron
@clerk/electron-passkeys
@clerk/eslint-plugin
@clerk/expo
@clerk/expo-google-signin
@clerk/expo-passkeys
@clerk/express
@clerk/fastify
@clerk/hono
@clerk/localizations
@clerk/mosaic
@clerk/nextjs
@clerk/nuxt
@clerk/react
@clerk/react-router
@clerk/shared
@clerk/tanstack-react-start
@clerk/testing
@clerk/ui
@clerk/upgrade
@clerk/vue
commit: |
API Changes Report
Summary
No API Changes DetectedAll packages have stable APIs with no detected changes. Report generated by Break Check Last ran on |
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Inline comments:
In `@packages/expo-passkeys/src/index.ts`:
- Around line 70-76: Update toArrayBuffer so that when it receives an
ArrayBuffer view, it encodes only the view’s byte range using byteOffset and
byteLength, rather than the entire backing buffer. Keep the existing handling
for non-view inputs unchanged.
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📒 Files selected for processing (6)
.changeset/expo-passkeys-ios-exclude-credentials.mdpackages/expo-passkeys/ios/AccountManager.swiftpackages/expo-passkeys/ios/ClerkExpoPasskeysModule.swiftpackages/expo-passkeys/ios/Helpers.swiftpackages/expo-passkeys/src/index.tspackages/expo-passkeys/src/utils.ts
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clerk/clerk_go(manual)clerk/dashboard(manual)clerk/accounts(manual)clerk/backoffice(manual)clerk/clerk(manual)clerk/clerk-docs(manual)clerk/cloudflare-workers(manual)clerk/cli(auto-detected)clerk/clerk-ios(auto-detected)clerk/clerk-android(auto-detected)
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Description
On iOS,
create()only forwarded the challenge, RP ID, user ID, and display name to the native module, so theexcludeCredentialslist Clerk sends was dropped. A user could register a second passkey for an account that already had one on the device, where Android and web returnpasskey_already_exists.The iOS module now receives the excluded credential IDs and sets them on the registration request (iOS 17.4+). The native error handler also forwards the real
ASAuthorizationErrorcode instead of collapsing everything except cancel tounknown, and the new matched-excluded-credential code maps topasskey_already_exists.Before (notice how many times I can create a passkey for the same account)
Screen.Recording.2026-09-24.at.9.55.28.AM.mov
After (second attempt is rejected with
passkey_already_exists, count stays at 1)passkey_fixed.mov
Resolves MOBILE-639
Checklist
pnpm testruns as expected.pnpm buildruns as expected.Type of change