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feat(types)!: more precise generated and exported types for strict apps - #2995
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📝 Summary
Priority: ➖ Normal Merge Risk: ⚪ Minimal · up to The authentication test helper’s explicit-null behavior is consistent with the generated context types. No actionable user-facing or operational risk remains; the PR is ready for normal checks. Pre-merge checks |
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Docstring coverage is 9.09% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 33 functions across 34 files. (1 skipped: … | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title clearly summarizes the primary change: making generated and exported types more precise for strict TypeScript applications. Description check The description directly explains the type-precision changes, strict-mode objective, affected packages, breaking changes, and validation results. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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Docstring coverage is 9.09% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 33 functions across 34 files. (1 skipped: 1 unsupported.)
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Review comments at
@packages/internal/src/generate/templates/all-currentUser.d.ts.template:
- Around line 9-11: Update the mockCurrentUser parameter types in both generated
test-global templates to accept null: use InferredCurrentUser | null in the web
template and CurrentUser | null in the API template. Keep NonNullable on
InferredCurrentUser; do not change its definition.
Review comments at @packages/router/src/__typetests__/setTypes.test.tsx:
- Around line 32-37: Add an excess-prop negative type assertion for each public
component, Set and PrivateSet, using PageLayout with otherwise valid props and
an undeclared prop; assert that each JSX usage raises a type error.
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.changesets/release_notes_v8.mdpackages/api/src/cache/clients/MemcachedClient.tspackages/internal/src/__tests__/graphqlCodeGen.test.tspackages/internal/src/generate/graphqlCodeGen.tspackages/internal/src/generate/templates/all-currentUser.d.ts.templatepackages/internal/src/generate/typeDefinitions.tspackages/router/src/Set.tsxpackages/router/src/__typetests__/setTypes.test.tsxpackages/uploads/src/authenticator.tspackages/uploads/src/fastify/plugin.ts
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Inline comments:
Review comments at @packages/auth/src/AuthProvider/useCurrentUser.ts:
- Line 11: Update the callback in useCurrentUser so a response without
data.cedar.currentUser returns null rather than undefined, preserving the
Promise<CurrentUser> contract; handle the GraphQL error before returning if
needed.
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.changesets/release_notes_v8.mddocs/docs/typescript/generated-types.mdpackages/auth-providers/auth0/web/src/__tests__/auth0.test.tsxpackages/auth-providers/auth0/web/src/auth0.tspackages/auth-providers/azureActiveDirectory/web/src/__tests__/azureActiveDirectory.test.tsxpackages/auth-providers/azureActiveDirectory/web/src/azureActiveDirectory.tspackages/auth-providers/clerk/web/src/__tests__/clerk.test.tsxpackages/auth-providers/clerk/web/src/clerk.tsxpackages/auth-providers/dbAuth/web/src/__tests__/dbAuth.test.tspackages/auth-providers/dbAuth/web/src/dbAuth.tspackages/auth-providers/firebase/web/src/__tests__/firebase.test.tsxpackages/auth-providers/firebase/web/src/firebase.tspackages/auth-providers/netlify/web/src/__tests__/netlify.test.tsxpackages/auth-providers/netlify/web/src/netlify.tspackages/auth-providers/supabase/web/src/__tests__/supabase.middleware.test.tsxpackages/auth-providers/supabase/web/src/__tests__/supabase.test.tsxpackages/auth-providers/supabase/web/src/supabase.tspackages/auth-providers/supertokens/web/src/__tests__/supertokens.test.tsxpackages/auth-providers/supertokens/web/src/supertokens.tspackages/auth/src/AuthContext.tspackages/auth/src/AuthProvider/AuthProvider.tsxpackages/auth/src/AuthProvider/AuthProviderState.tspackages/auth/src/AuthProvider/useCurrentUser.tspackages/auth/src/AuthProvider/useHasRole.tspackages/auth/src/__tests__/fixtures/customTestAuth.tspackages/auth/src/authFactory.tspackages/auth/src/index.tspackages/internal/src/__tests__/typeDefinitions.test.tspackages/internal/src/generate/templates/all-currentUser.d.ts.templatepackages/internal/src/generate/templates/web-test-globals.d.ts.template
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…oth sides LoggedInUser's index signature makes CurrentUser reject user values typed with an interface. InferredLoggedInUser | null accepts them, and null for logged-out tests
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Summary
Some of the types Cedar generates and exports are made more precise. Code written by Cedar's generators and setup commands relies on them to type-check under TypeScript's
strictmode, which will be the default in the futureWhat changed
@cedarjs/internalcodegen:QueryResolversandMutationResolversfields are required properties (avoidOptionals.query/mutation;avoidOptionals.resolversdoesn't cover root types). Service functions typed asQueryResolvers['posts']aren't possiblyundefinedwhen service tests call them.@cedarjs/internalcodegen: on the api side,JSON/JSONObjectinputs arePrisma.InputJsonValue/Prisma.InputJsonObject, so they can be passed straight to Prisma. The web side is unchanged.@cedarjs/auth: newLoggedInUsertype, andCurrentUserisLoggedInUser | null.LoggedInUseris the usergetCurrentUserreturns when someone is logged in.CurrentUsernow matches whatgetCurrentUseranduseAuth().currentUseractually hold. Thenull | CurrentUserunions in@cedarjs/authand the auth providers becomeCurrentUser. The built-inuseCurrentUserhook is typedPromise<CurrentUser>, since it returnsnullwhen nobody is logged in (its runtime behavior is unchanged).@cedarjs/internal: the generatedall-currentUser.d.tsextendsLoggedInUserwithInferredLoggedInUser, which isNonNullable<...>ofgetCurrentUser's return type. WithstrictNullChecks, an interface can't extend a type that includesnull(TS2312), so the generated file doesn't compile in strict apps without this.context.currentUseris typedLoggedInUser-shaped,nullorundefined: GraphQL leaves it unset when nobody is logged in, and functions wrapped inuseRequireAuthset it to whatevergetCurrentUserreturned, includingnull.@cedarjs/internal: the stub@storybook/reacttypes (used when Storybook isn't installed) typerender's parameters, so generated stories don't hitnoImplicitAny.@cedarjs/uploads:tokenSecretacceptsstring | undefined(the plugin already throws a configuration error when it's missing), andcreateUploadAuthenticator'sgetCurrentUsertakesdecoded: Decoded, matching appgetCurrentUserfunctions.@cedarjs/api:MemcachedClientacceptsservers: string | undefined, as memjs does.docs/docs/typescript/generated-types.mddescribesCurrentUserandLoggedInUser..changesets/release_notes_v8.md: new "More precise generated types" section, with upgrade steps.Breaking changes
CurrentUserincludesnull. In strict apps, code that usesCurrentUserfor a user known to be logged in needsLoggedInUser. Apps without strict mode see no difference, since TypeScript ignoresnullthere.CurrentUseris a type alias, sodeclare module '@cedarjs/auth' { interface CurrentUser ... }is a type error. ExtendLoggedInUserinstead. Cedar's generated types already do.context.currentUsercan benull. In strict apps, code that narrows it with!== undefinedneeds a truthiness check instead.QueryResolvers/MutationResolversfields: an object typed as a wholeQueryResolvershas to implement every field.