A modern, type-safe TypeScript utility kit.

JIAOZI Protocol TypeScript SDK — register / attest / resolve / verify AI-agent verifiable credentials

Jiaozi Protocol core primitives — DID documents, Ed25519 keys, status.v1 signed revocation-freshness credentials, attest.v1, credit merkle anchors

A development middleware for webpack

Serves a webpack app. Updates the browser on changes.

Generate errors that contain a code frame that point to source locations.

A JavaScript parser

Collection of helper functions used by Babel transforms.

Vitest module mocker implementation

Babel compiler core.

Babel Types is a Lodash-esque utility library for AST nodes

Turns an AST into code.

Fork of pretty-format with support for ESM

The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes

Generate an AST from a string template.

Vite plugin bridging preview diagnostics, browser errors, and dev-server lifecycle events

Convert a tilde path to an absolute path: `~/dev` → `/Users/sindresorhus/dev`

Cross-platform WebSocket Servers for Node.js, Deno, Bun and Cloudflare Workers

Compiles your TS app and restarts when files are modified.

Babel helper to create your own polyfill provider