Effect-TS Has a Free API That Brings Functional Programming to Production TypeScript
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Effect is a TypeScript library for building robust, composable applications. Think of it as a type-safe runtime for managing errors, concurrency, dependencies, and resources. The Effect Type: Errors as Values import { Effect, pipe } from "effect"; // Effect const fetchUser = (id: string): Effect.EffectUser, HttpError | NotFoundError> => pipe( Effect.tryPromise({ try: () => fetch(`/api/users/${id}`).then(r => r.json()), catch: () => new HttpError(), }), E