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refactor(ui): route the prebuilt auth flow through one pure function - #1036
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Limit details: You’ve used all 5 included reviews currently available. Your 52 included PR review attempts over the past 7 days set your current allowance at 5 reviews per hour. 📝 WalkthroughWalkthroughAuthentication route selection now produces commands for sign-in, sign-up, session tasks, and post-auth outcomes. AuthState and AuthView apply those commands. Sign-in views use shared factor-screen selection and delegate alternative-method navigation to AuthState. ChangesAuthentication routing
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Refactor Sequence Diagram(s)sequenceDiagram
participant AuthState
participant authNavigationCommand
participant NavigationBackStack
AuthState->>authNavigationCommand: Provide routing input and context
authNavigationCommand-->>AuthState: Return navigation command
AuthState->>NavigationBackStack: Apply command to navigation state
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This was referenced Oct 2, 2026
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Routing was split across AuthState's status handlers, the session-task completion extension, AuthView's pending-task observer (three copies of the session-task mapping), three strategy-dispatch screens and direct navigateTo calls. - authNavigationCommand maps a SignIn, SignUp or Session step to an AuthNavigationCommand; AuthState only applies commands to the back stack. - sessionTaskDestination is the single session-task mapping. - firstFactorScreen / secondFactorScreen / clientTrustScreen hold the factor screen dispatch, so every routing strategy comparison lives in AuthRouting.kt. - "Use another method" goes through AuthState.navigateToAlternativeMethods. - Table-driven tests cover every status, strategy and task combination.
Names the MFA-gated created-session case instead of explaining it inline.
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Review comments at
@source/ui/src/test/java/com/clerk/ui/auth/AuthStateForceMfaTest.kt:
- Line 72: Rename the test `resolveCorrespondingSession does not fallback when
created session id is present but missing` to state that it falls back, matching
the `assertEquals(fallback, resolved)` assertion.
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📒 Files selected for processing (43)
config/detekt/detekt-baseline.xmlgradle/libs.versions.tomlsource/ui/build.gradle.ktssource/ui/src/main/java/com/clerk/ui/auth/AuthRouting.ktsource/ui/src/main/java/com/clerk/ui/auth/AuthSessionTaskRouting.ktsource/ui/src/main/java/com/clerk/ui/auth/AuthState.ktsource/ui/src/main/java/com/clerk/ui/auth/AuthView.ktsource/ui/src/main/java/com/clerk/ui/auth/biometriccredential/BiometricCredentialEnrollmentView.ktsource/ui/src/main/java/com/clerk/ui/navigation/ClerkViewModelStores.ktsource/ui/src/main/java/com/clerk/ui/organizationlist/OrganizationListView.ktsource/ui/src/main/java/com/clerk/ui/organizationprofile/OrganizationProfileView.ktsource/ui/src/main/java/com/clerk/ui/organizationprofile/actions/OrganizationProfileActionConfirmationView.ktsource/ui/src/main/java/com/clerk/ui/organizationswitcher/OrganizationSwitcher.ktsource/ui/src/main/java/com/clerk/ui/sessiontask/organization/SessionTaskChooseOrganizationView.ktsource/ui/src/main/java/com/clerk/ui/sessiontask/organization/SessionTaskCreateOrganizationView.ktsource/ui/src/main/java/com/clerk/ui/signin/SignInFactorOneView.ktsource/ui/src/main/java/com/clerk/ui/signin/SignInFactorTwoView.ktsource/ui/src/main/java/com/clerk/ui/signin/backupcode/SigninFactorTwoBackupCodeView.ktsource/ui/src/main/java/com/clerk/ui/signin/clienttrust/SignInClientTrustView.ktsource/ui/src/main/java/com/clerk/ui/signin/code/SignInFactorCodeView.ktsource/ui/src/main/java/com/clerk/ui/signin/emaillink/SignInFactorOneEmailLinkView.ktsource/ui/src/main/java/com/clerk/ui/signin/passkey/SignInFactorOnePasskeyView.ktsource/ui/src/main/java/com/clerk/ui/signin/password/forgot/SignInFactorOneForgotPasswordView.ktsource/ui/src/main/java/com/clerk/ui/signin/password/reset/ResetPasswordMode.ktsource/ui/src/main/java/com/clerk/ui/signin/password/reset/SignInSetNewPasswordView.ktsource/ui/src/main/java/com/clerk/ui/signin/password/set/SignInFactorOnePasswordView.ktsource/ui/src/main/java/com/clerk/ui/signup/code/SignUpCodeViewModel.ktsource/ui/src/main/java/com/clerk/ui/userbutton/UserButton.ktsource/ui/src/main/java/com/clerk/ui/userprofile/UserProfileView.ktsource/ui/src/main/java/com/clerk/ui/userprofile/connectedaccount/UserProfileExternalAccountRow.ktsource/ui/src/main/java/com/clerk/ui/userprofile/email/UserProfileEmailRow.ktsource/ui/src/main/java/com/clerk/ui/userprofile/phone/UserProfilePhoneRow.ktsource/ui/src/main/java/com/clerk/ui/userprofile/security/mfa/UserProfileMfaRow.ktsource/ui/src/main/java/com/clerk/ui/userprofile/security/passkey/UserProfilePasskeyRow.ktsource/ui/src/main/java/com/clerk/ui/userprofile/security/passkey/UserProfilePasskeySection.ktsource/ui/src/test/java/com/clerk/ui/auth/AuthRoutingTest.ktsource/ui/src/test/java/com/clerk/ui/auth/AuthStateForceMfaTest.ktsource/ui/src/test/java/com/clerk/ui/auth/AuthStateSessionTaskRoutingTest.ktsource/ui/src/test/java/com/clerk/ui/auth/AuthViewForceMfaRoutingTest.ktsource/ui/src/test/java/com/clerk/ui/navigation/ClerkViewModelStoreScopeFragmentTest.ktsource/ui/src/test/java/com/clerk/ui/navigation/ClerkViewModelStoreScopeTest.ktsource/ui/src/test/java/com/clerk/ui/signup/code/SignUpCodeDoublePushTest.ktsource/ui/src/test/java/com/clerk/ui/userprofile/email/UserProfileEmailRowViewModelTest.kt
💤 Files with no reviewable changes (7)
- source/ui/src/main/java/com/clerk/ui/auth/biometriccredential/BiometricCredentialEnrollmentView.kt
- source/ui/src/main/java/com/clerk/ui/sessiontask/organization/SessionTaskChooseOrganizationView.kt
- source/ui/src/main/java/com/clerk/ui/organizationprofile/actions/OrganizationProfileActionConfirmationView.kt
- source/ui/src/main/java/com/clerk/ui/signin/password/reset/ResetPasswordMode.kt
- source/ui/src/main/java/com/clerk/ui/sessiontask/organization/SessionTaskCreateOrganizationView.kt
- config/detekt/detekt-baseline.xml
- source/ui/src/main/java/com/clerk/ui/auth/AuthSessionTaskRouting.kt
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| @Test | ||
| fun `resolveCorrespondingSession uses fallback not an unrelated session when created session is missing`() { | ||
| fun `resolveCorrespondingSession does not fallback when created session id is present but missing`() { |
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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win
Rename the test to match its assertion.
The new name says resolveCorrespondingSession "does not fallback". Line 85 asserts assertEquals(fallback, resolved), so the test checks that the fallback is used. A reader can take the name as the expected contract and "fix" the code to match it. Rename the test to describe the fallback behavior.
Proposed fix
--- "a/source/ui/src/test/java/com/clerk/ui/auth/AuthStateForceMfaTest.kt"
+++ "b/source/ui/src/test/java/com/clerk/ui/auth/AuthStateForceMfaTest.kt"
@@ -69,7 +69,7 @@
}
@Test
- fun `resolveCorrespondingSession does not fallback when created session id is present but missing`() {
+ fun `resolveCorrespondingSession falls back when created session id is present but missing`() {
val fallback =
session(id = "sess_fallback", status = Session.SessionStatus.ACTIVE, tasks = emptyList())
val sessions =📝 Committable suggestion
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Suggested change
| fun `resolveCorrespondingSession does not fallback when created session id is present but missing`() { | |
| fun `resolveCorrespondingSession falls back when created session id is present but missing`() { |
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Review comment at
@source/ui/src/test/java/com/clerk/ui/auth/AuthStateForceMfaTest.kt at line 72:
Rename the test `resolveCorrespondingSession does not fallback when created
session id is present but missing` to state that it falls back, matching the
`assertEquals(fallback, resolved)` assertion.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
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Why
This is the second half of architecture review finding #10: "Routing is split across AuthState, three strategy-dispatch screens, self-rerouting ViewModels, eight direct navigateTo calls and three copies of the session-task mapping. [...] replace routing with one pure function from SignIn | SignUp | Session to a navigation command."
Stacked on #1032 (ViewModel stores). Review that one first.
Scope
auth/AuthRouting.kt:authNavigationCommand(AuthRoutingInput, AuthRoutingContext): AuthNavigationCommandis a pure function. The input is aSignInStep, aSignUpStep, aSessionStep(a session task finished) or aPendingSessionTask(the session changed under the flow). The command isNone,ResetToRoot,Push,ShowSessionTask,ReplaceSessionTaskorCompleteAuth. Values from outside the attempt are passed in explicitly throughAuthRoutingContext: forced organization selection, the last submitted identifier, and astartingFirstFactorseam, since the API extension readsClerk.environment.sessionTaskDestination(SessionTaskKey)is now the only session-task mapping. It replacespostAuthCompletionAction/PostAuthCompletionAction, thehandleSessionTaskCompletionwhen, andpendingSessionTaskDestinationinAuthView.satisfiesSessionTaskandisSessionTaskDestinationsit next to it.firstFactorScreen/secondFactorScreen/clientTrustScreenmap a typedStrategy(Factor.strategyType, from feat(api): add typed Strategy and migrate strategy comparisons #1025) to aSignInFactorScreen.SignInFactorOneView,SignInFactorTwoViewandSignInClientTrustViewnow just render the screen they are given. The tables match thewhenblocks those views have onmain. The sign-up email-link check usesSignUp.isEmailLinkVerificationSupported, asmaindoes.AuthStatekeeps its call surface (setToStepForStatus(signIn|signUp), now withhandleSessionTaskCompletionas a member) but only builds the context and applies the command (navigate). About 150 lines of status handling are gone from it.AuthView's pending-session-task observer asks the same function. The test-onlyshouldRouteToSessionTaskMfais removed.AuthState.navigateToAlternativeMethods(factor, isSecondFactor)instead of each screen building the destination.Not changed, deliberately:
navigateTocalls are user intents, not status routing: forgot password, the forgot-password factor list, and the organization creation from the chooser.SignUpCodeViewModel.prepare(email-link strategy →Success.SignUp) is only reachable when the publicSignUpCodeViewis hosted outside the prebuilt flow, because routing never sends an email-link sign-up to the code screen. I left it for those hosts.Blast Radius
internal.mainfor every case. That includes anUNKNOWNsession task at sign-in or sign-up completion, which still pushes "Get help" unconditionally (Push, notShowSessionTask).key(Clerk.isInitialized)inClerkThemeOverrideProvidersits above the routing calls, andAuthViewBeforeClerkLoadsTestpasses.main7044e69. That base includes feat(api): add typed Strategy and migrate strategy comparisons #1025 (typedStrategy, UIStrategyKeysdeleted), feat(api): add sealed OAuthResult.Outcome and drop UI force-unwraps #1030, feat(ui): add stable test tags to the prebuilt Compose views #1040 (test tags, kept on the "use another method" buttons) and fix(ui): rebuild prebuilt views when Clerk finishes loading #1068.Testing
./gradlew spotlessCheck detekt :source:api:detektDebug :source:ui:detektDebug :source:telemetry:detektDebug :source:api:lint :source:ui:lint apiCheck :source:ui:testDebugUnitTest: pass (539 UI tests).AuthRoutingTest(table-driven):SignIn.Status, including with and without a usable factor, and the last-submitted-identifier fallback;SignUp.Status, plus each collect field, email code vs. email link, phone, a missing address or number, an unsupported field, and nothing left to do;SessionTaskKey→ destination map;Strategyvalues, including an OAuth strategy and an unknown one;UNKNOWNtask at completion pushes "Get help" (fails if routed throughShowSessionTask).AuthViewForceMfaRoutingTestnow runs against the pending-task input.AuthStateSessionTaskRoutingTestadds tests for command application: replacing a finished task, completing without the enrollment prompt, and not double-pushing a session task. ThepostAuthCompletionActioncases inAuthStateForceMfaTestbecame rows in the table../gradlew :source:ui:verifyPaparazziDebug: 21 failures, the same 21 tests that fail onmainlocally (I compared both runs; they are environment-wide image diffs). No snapshot changes come from this PR, and nothing was re-recorded.🤖 Generated with Claude Code
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