A collection of utilities for making working with iterables more bearable

👷 TypeScript's largest type utility library

✨Functional and composable type utilities

Additional types and types adjusted utilities for TypeScript

TypeChat is a library that makes it easy to build natural language interfaces using types.

Compile-time tests for types. Useful to make sure types don't regress into being overly-permissive as changes go in over time.

Collection of utility types, complementing TypeScript built-in mapped types and aliases (think "lodash" for static types).

Utility functions to use and combine `AbortSignal` and `AbortController` with Promises

Embeddable Postgres with real-time, reactive bindings.

High performance (de)compression in an 8kB package

Zero dependency profanity detector.

A small, fast, pure JavaScript type-stripper that uses the official TypeScript parser.

A compiled-away, type-safe, readable RegExp alternative

🌈 Unified Package Manager for Node.js (npm, pnpm, yarn), Bun and Deno

A diff tool for JavaScript written in TypeScript.

A friendly formatter to make date ranges small & sweet

Option, Result, and Either types for TypeScript - Inspired by Rust 🦀

Fast drag and drop for any experience on any tech stack

A simple expression parser and evaluator for JavaScript

✅ タスク — The minimal task visualizer for Node.js

👁‍🗨 Strongly typed CLI development for Node.js

Structured concurrency and effects for JavaScript

Fast, easy Javascript finite state machines with visualizations; enjoy a one liner FSM instead of pages. MIT; Typescripted; 100% test coverage. Implements the FSL language.