Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

A utility-first CSS framework for rapid UI development.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Delightful JavaScript Testing.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

Industry standard API mocking for JavaScript.

A collection of essential TypeScript types

Zero-runtime Stylesheets-in-TypeScript

The modular and type safe schema library for validating structural data 🤖

React components for Leaflet maps

HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

A JavaScript implementation of a web browser without its graphical user interface

A collection of loading spinner components for react

Mutation testing for JavaScript and friends

Debug your Jest tests. Effortlessly.🛠🖼

🚀 Faster, secure and convenient alternative for JSON.parse for arbitrary inputs

Mocking library to create mock objects with fake data for TypeScript interfaces

Transpile JSX, TypeScript and esnext features on the fly with esbuild

A sample Next.js app showing dynamic routing with modals as a route.

A custom prisma generator that creates Zod schemas from your Prisma model.

Sample monorepo setup with npm workspaces and typescript project references

Running tests using Jest & Playwright

Simple generator of React code from Figma

A simple and safe router for React and TypeScript.

📅 All Date Pickers you need.

🚕 Turn stories into executable tests

Streaming JSON parser in Javascript for Node.js and the browser

A complete mock of the Chrome API for Chrome extensions for use with Jest.

Example project showing how to deploy your Hono+React(SSR) application to Cloudflare Workers Sites

Diffs two istanbul json-summary reports and outputs files coverage deltas.