A pure JavaScript implementation of Sass.
Node.js path.parse() ponyfill
A set of utilities to assist developers of tools that build N-API native add-ons
Apollo refetch hooks
Streaming data for JavaScript
A modern, production-grade HTTP client built on native fetch — functional TypeScript, interceptors, retry, streaming, and tree-shakeable exports
Effector bindings for TanStack Query — core factories (createQuery, createMutation, createInfiniteQuery, createQueries) plus invalidate / cancel / remove / reset cache actions
Convert character encodings in pure javascript.
Stringify JS values
AWS credential provider that sources credentials from known environment variables
request the caniuse data to check browsers compatibilities
> Plugins API for easier DevTools integrations.
Get the PATH environment variable key cross-platform
[](https://www.npmjs.com/package/@aws-sdk/util-user-agent-node) [](https://www.npmjs.com/
Check if the character represented by a given Unicode code point is fullwidth
Supercharge AI coding agents with portable skills. Install, translate, and share skills across Claude Code, Cursor, Codex, Copilot & 41 more
The official TypeScript library for the OpenAI API
Decompress a HTTP response if needed
A fork of @heroku/react-refetch. A simple, declarative, and composable way to fetch data for React components.
A minimal UTF8 implementation for number arrays.
Valtio bridge for @tanstack/query-core. Mirror query/infinite/mutation observers into reactive proxies, snapshot with React hooks, drive optimistic updates with Immer drafts.
AWS credential provider that exchanges a resolved SSO login token file for temporary AWS credentials
A minimal path module to resolve Unix, Windows and URL paths alike.
A simple abort controller library