Functional Programming

JavaScript's functional programming helper library.

Provides tools for iterating over and manipulating GeoJSON objects.

Functional programming in TypeScript

Unified interfaces for common platform-specific services

Simple, scalable state management.

Platform specific implementations for the Node.js runtime

OpenTelemetry integration for Effect

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Platform specific implementations for the Bun runtime

Functional programming in TypeScript

Type safe replacement for node's EventEmitter

Type-safe, ergonomic, polymorphic optics for TypeScript

A library for safe functional programming in JavaScript, with first-class support for TypeScript

A Language-Service Plugin to Refactor and Diagnostic effect-ts projects

Utility functions and common patterns for MobX

A porting of scala monocle library to TypeScript

Implementation of newtypes in TypeScript

ESLint rules to promote functional programming in TypeScript.

Platform specific implementations for the browser

Wrap a function without changing its name and other properties

🔧 Fast, modern, and practical utility library for FP in TypeScript.

Opinionated, transactional, MobX powered state container

Functional programming standard library for TypeScript

Simple `and` and `or` functional programming predicates

A suite of libraries for generic functional programming in JavaScript that allows you to write elegant modular applications with fewer bugs and more reuse.

ESLint rules for functional programming

Reactive Programming library for JavaScript inspired by Bacon.js and RxJS with focus on high performance and low memory usage

Retry combinators for monadic actions that may fail

Implementation of common algebraic types in JavaScript + Flow

Functional programming in TypeScript

Functional programming in TypeScript

Functional composition library

A MobX powered state management solution based on data trees with first class support for TypeScript, snapshots, patches and much more

A fully typed error handling library for TypeScript inspired by Rust's Result type.

TypeScript meta functions for (especially variadic) meta programming

ESLint rules for controlling where and how mutation is used.

A pipe function to perform function composition in LTR (Left To Right) direction.

A library of Javascript utility functions with an emphasis on Functional Programming.

A small functional reactive programming lib for JavaScript.

meta and functional programming helpers for turf modules

A small collection of functional programming utils

Provides a simple API to normalize texts, white-spaces, paragraphs & diacritics.

Monadic streams

Simple functional programming utility & Misc programming tool

The motiviation of this repo is that when ReScript users want to share their library with JS users, the JS users don't need have ReScript toolchain installed, this makes sharing code with JS users easier (more details on that topic can be found in our [Ex

The missing pseudo-standard library for fp-ts.

React state management with a minimal API. Made with ES6 Proxies.

Supercharge your TypeScript error handling with a powerful Result type that transforms chaotic try-catch blocks into elegant, type-safe code.

A community driven utility package for fp-ts

The missing pipeline for functional programming