Build React apps with functional patterns

fp-ts-reactskillsetup L20
FISCFED9/CLI
What it does

Build React apps with functional programming patterns

Best for

Writing type-safe React forms and state management with accumulated validation errors.

Inputs
  • · Form fields
  • · Validation rules
  • · Form data
Outputs
  • · Validated form data or error map
  • · Field-level error messages
Requires
  • · fp-ts library
  • · React 18+
Preconditions

React 18+ or Next.js 14+; fp-ts 2.13+ installed.

Failure modes

fp-ts runtime errors; validation rules too permissive; async state race conditions.

Trust signals
  • · fp-ts 2.13+ stable
  • · React 18/19 hooks tested
  • · Accumulates ALL errors at once