Happier support collector and bug-report submitter.
Serves a webpack app. Updates the browser on changes.
Mobile and Web client for Claude Code and Codex
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Determine if the JS environment has Symbol support. Supports spec, or shams.
Run [**Happier**](https://app.happier.dev) locally and access it remotely and securely (using Tailscale).
Tests if ES6 Symbol is supported.
Get an iterator for any JS language value. Works robustly across all environments, all versions.
A Babel preset that enables parsing of proposals supported by the current Node.js version.
HTML5 backend for React DnD
An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim
Determine if the JS environment has BigInt support.
Remote procedure call for client-server communication in Vite plugins
Cutting edge GraphQL planning and execution engine
Cross-platform WebSocket Servers for Node.js, Deno, Bun and Cloudflare Workers
Expo Development Client
Now stdin and stdout are files.
Babel plugin which switches Babel to use the Hermes parser.
Native-ESM powered web dev build tool
Vite as Node.js runtime
Package-specific guidance lives in:
Microsoft Authentication Library for Angular
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
/dev/null for node streams