Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Includes version-specific React examples; verify framework/client boundaries.
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SKILL.md
name: fp-reactdescription: Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Includes version-specific React examples; verify framework/client boundaries.risk: criticalsource: communitydate_added: "2026-01-30"version: 2.0.0author: fp-ts-skillstags: [fp-ts, react, typescript, hooks, state-management, forms, data-fetching, remote-data, react-19, next-js]
Functional Programming in React
Practical patterns for React apps. Untested integration sketches; decode external data and verify lifecycle behavior.
Detailed Guide
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When to Use What
Situation
Use
Value might not exist
Option<T>
Operation might fail (sync)
Either<E, A>
Async operation might fail
TaskEither<E, A>
Need loading/error/success UI
RemoteData<E, A>
Form with multiple validations
Either with validation applicative
Dependency injection
Context + ReaderTaskEither
Prevent re-renders with fp-ts
useMemo or fp-ts-react-stable-hooks
Limitations
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Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
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