Functional programming in TypeScript
Deeply merge 2 or more objects respecting type information.
Types on steroids 💊
Compiles your TS app and restarts when files are modified.
Crazy fast http radix based router
Super-fast alternative to Babel for when you can target modern JS runtimes
Stable JS value hash.
TS Model & utils for OpenAPI 3.x specification.
TypeScript runtime type system for IO decoding/encoding
Thin wrapper around zen-observable and @types/zen-observable, to support ESM exports as well as CommonJS exports
🌀 OpenAPI to TypeScript codegen. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.
Graphviz AST(Abstract Syntax Tree) Utilities
Runtime library for code generated by the protoc plugin "protobuf-ts"
Infer typescript types from your JSON schemas!
TS Compiler transformer for formatjs
TypeScript implementation of invariant(condition, message)
A very small TypeScript library that provides tolerable Mixin functionality.
Extend native Error to create custom errors
Isomorphic client library for making HTTP requests in node.js and browser.
Runtime library for RPC clients generated by the protoc plugin "protobuf-ts"
Oxc Parser Node API
[](https://www.npmjs.com/package/ts-proto) [](https://github.com/stephenh/ts-proto/actions)
TypeScript stylistic rules for ESLint, migrated from [`typescript-eslint`](https://github.com/typescript-eslint/typescript-eslint).
OpenID Connect (OIDC) & OAuth2 client library