Functional-programming Packages

Functional programming in TypeScript

A testing library for JavaScript that uses behavior-driven development and functional programming.

A TypeScript library for combining functional and object-oriented paradigms through composable state and methods.

A type-safe utility library for functional programming

A lightweight library for functional programming monads including Option, Maybe, and more.

Functional TypeScript utility types such as Optional, Result and others.

A wrapper around axios which uses io-ts to validate the received response.

Functional directives for Promise and AsyncIterable

The missing pseudo-standard library for fp-ts.

The missing pseudo-standard library for fp-ts.

String parser combinators for TypeScript

Utilities for functional programming with JavaScript async data (via async iterators). Use functional programming operations on async data (for example, streams)!

A lightweight utility package that extends JavaScript arrays with additional higher-order functions for intuitive and efficient operations.

A TypeScript library for type-safe handling of operational outcomes, offering a structured approach to managing success and error cases in a robust and efficient manner.

[a]synchronous functional programming

[](https://github.com/no-day/create-fp-ts-lib/actions/workflows/build.yml) [ ](https://david-dm.org/no-d

Merge objects/arrays declaratively

A Declarative way to deal with null , undefined and promises via optional and streams

A modern TypeScript utility library.

Dead-simple, TypeScript-first optics library.