Postgres everywhere - your data, in sync, wherever you need it.
🌀 OpenAPI to TypeScript codegen. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.
Mock 'http' objects for testing Express, Next.js and Koa routing functions
Convert character encodings in pure javascript.
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE9+)
Modern rewrite of http-proxy
MongoDB Server for testing (auto-download latest version). The server will allow you to connect your favourite ODM or client library to the MongoDB Server and run parallel integration tests isolated from each other.
MongoDB Server for testing (core package, without autodownload). The server will allow you to connect your favourite ODM or client library to the MongoDB Server and run parallel integration tests isolated from each other.
A complete implementation of Protocol Buffers in TypeScript, suitable for web browsers and Node.js.
Typescript utilities
Extend native Error to create custom errors
OpenTelemetry Node 18+ native fetch automatic instrumentation package
Functional programming standard library for TypeScript
digest auth request plugin for fetch/node-fetch also support http basic auth authentication
Constants enumerating the HTTP status codes. Based on the Java Apache HttpStatus API.
Babel preset for TypeScript.
A library for safe functional programming in JavaScript, with first-class support for TypeScript
Official Box TypeScript Generated SDK
Clean up user-submitted HTML, preserving allowlisted elements and allowlisted attributes on a per-element basis
convert KML and GPX to GeoJSON
Transform TypeScript into ES.next
Spotify's ESLint config for TypeScript
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Pure Pagination Logic in JavaScript / TypeScript