Mateusz Burzyński

🦋 A way to manage your versioning and changelogs with a focus on multi-package repositories

This plugins helps with annotating top level functions calls with #__PURE__ comment.

<textarea /> component for React which grows with content

React hook for listening for clicks outside of an element.

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Collection of hook-based memoized selector factories for declarations outside of render.

🍒⛏📦 Build tool to generate proxy directories.

🎣 Convert files to data-uris at build time.

React hook which gives a smooth scrolling function.

🎣 Convert your set of strings to optimized RegExps at build time.

Get aliases for your lerna packages for the other tools

🎣 A babel macro which works similarly to the pipeline operator.

👜 Use callbag as React hook.

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Stylis plugin which adds extra scope to each produced CSS rule.

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👜 Callbag operator that pulls from source when provided listenable emits.

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Memory storage with WebStorage API. Can be used as drop-in replacement when latter is not available.

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

👜 Callbag source factory that emits values specified as arguments.

👜 Callbag operator which resubscribes to the source given amount of times.

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👜 Callbag operator that samples from source when provided listenable emits.

Staging repo for development of native port of TypeScript

🎁 A smart bundler for libraries

Create the next immutable state by mutating the current one

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👜 Callbag source that never completes and emits no data.

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Create React apps with no build configuration.

An experimental Nostr client focused on unlocking the full potential of multiple relays. Browse, filter, zap, and create custom feeds to create a curated Nostr experience.

⚡️ High-performance image delivery and uploading at scale in Next.js powered by Cloudinary.

The companion repo for the upcoming Total TypeScript book

🤖 Powerful and type-safe form state management for the web. TS/JS, React Form, Solid Form, Lit Form and Vue Form.

The simplest, fastest way to get business intelligence and analytics to everyone in your company :yum:

The UI framework for teams that move fast — without breaking things.

React Hooks for Data Fetching

Tool for analyzing TypeScript types of npm packages

Simple and complete Solid testing utilities that encourage good testing practices.

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

Next generation frontend tooling. It's fast!

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Removes and disables 📜in a "React" way

web development, streamlined

Fast, disk space efficient package manager

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📦️ Continuous (Preview) Releases for your libraries!

Develop. Preview. Ship.

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High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

Official website and documentation for the Mock Service Worker library.

Effortlessly build beautiful command-line apps

The open source coding agent.

Browser automation CLI for AI agents

Go extension for Visual Studio Code

A TypeScript framework for building MCP servers.

Octokit plugin for GitHub’s recommended request retries

ORM

Language services for GitHub Actions workflows and expressions.

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the package manager for JavaScript

The simplest and fastest way to bundle your TypeScript libraries.

A pure JavaScript implementation of git for node and browsers!

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Fast, unstyled command menu React component.

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Build decoupled, componentized Redux apps with a single global store

Build complex CLIs with type safety and no dependencies

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A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, and traditional web developers from a single, framework-agnostic codebase.

Shared JS infra for automation across repos owned by the TypeScript team

The Svelte omnisite

web development for the rest of us

Open source, production-ready animation and gesture library for React

Social networking technology created by Bluesky

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🔥 🔥 🔥 Open Source Airtable Alternative

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Simple binary to wait for a port to open. Useful for docker-compose and general server side activities.

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Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.

Turn your Zod schemas into configurable field arrays for easy integration with HTML, React, Vue, and more.

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🐼 Universal, Type-Safe, CSS-in-JS Framework for Product Teams ⚡️

The simplest way to add CSS styles to your React components.

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Visual Studio Code

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⚡️ WebExtension Vite Starter Template

Next generation testing framework powered by Vite.

Seamless REST/GraphQL API mocking library for browser and Node.js.

Routing and navigation for your React Native apps

:rocket:  A fully-featured, production ready caching GraphQL client for every UI framework and GraphQL server.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, PostgreSQL and SQLite databases.

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Messaging in Web Extensions made super easy. Out of the box.

Easily create and maintain test fixtures in the file system

TypeScript LSP plugin that finds GraphQL documents in your code and provides hints and auto-generates types.

MDX extension for Visual Studio Code

🧀 Programmatically modify JavaScript and TypeScript source codes with a simplified, elegant and familiar syntax powered by recast and babel.

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Solid Docs, rehauled. Very much in progress

A simple Typescript Playground Plugin to Invoke Prettier.

Blazing fast input validation and transformation ⚡

React components for displaying configurable context menus

Light multi-platform disk space checker without third-party for Node.js

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Component Story Format is an open standard for UI component examples based on JavaScript ES6 modules.

JavaScript syntax highlighter with language auto-detection and zero dependencies.

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An extremely fast bundler for the web

Utilities for working with React Suspense

Standalone version of the AutoSizer component from react-virtualized

Simple reusable React error boundary component

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The utility to easy setup monaco-editor into your browser

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Everything's better with friends.

Octokit plugin for GitHub’s recommended request throttling

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Ultra-fast MessagePack implementation with extension for record and structural cloning / msgpack.org[JavaScript/NodeJS]

A collection of Solana programs maintained by Solana Labs

User activity timer component

convert a human readable duration to ms

Auto-reconnect and round robin support for amqplib.

An optimised way to copy'ing (cloning) an Object or Array. A small and simple integration

A mutex for synchronizing async workflows in Javascript

Favicons generator for Node.js

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Simple, efficient, ultra-fast, scalable data store wrapper for LMDB

:page_facing_up: Universal rendering for Preact: render JSX and Preact components to HTML.

A powerful JavaScript library for interacting with the Discord API

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

React utility to merge refs 🖇

HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.

🛣️ Drop-in replacement of the Node.js's path module module that ensures paths are normalized

The iconic SVG, font, and CSS toolkit

Deep diffs two objects, including nested structures of arrays and objects, and returns the difference. ❄️

🏭 The most lightweight, customizable React markdown component.

🎩 Creates Universal Library for Vue 2 & 3

SQLite client for Node.js applications with SQL-based migrations API written in Typescript

Fast and reliable Bootstrap widgets in Angular (supports Ivy engine)

Up to date Discord API Typings, versioned by the API version

A Minimalistic Wrapper for IndexedDB

Zero dependency library to provide some basic geo functions

React notification made easy 🚀 !

Fast lexer to extract named exports via analysis from CommonJS modules

NodeJS Task List derived from the best! Create beautiful CLI interfaces via easy and logical to implement task lists that feel alive and interactive.

🔍 Power of Browser DevTools inspectors right inside your React app

TypeScript-first schema validation with static type inference

Test whether an object looks like a promises-a+ promise

Full featured CSV parser with simple api and tested against large datasets.

The regular expression parser for ECMAScript.

Run commands concurrently. Like `npm run watch-js & npm run watch-less` but better.

🌈Easily set your terminal text color & styles.

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.

EventEmitter3 - Because there's also a number 2. And we're faster.

A small, fast, JavaScript-based JavaScript parser

Realtime application framework (client)

Realtime application framework (Node.JS server)

yargs the modern, pirate-themed successor to optimist.

⏳ Modern JavaScript date utility library ⌛️

Compact ES6 Ethereum Name Service (ENS) Name Normalizer

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CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.

A debounce hook for react

who knows

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TypeScript's 1:1 validator, optimized from editor to runtime

Infinite Red's battle-tested React Native project boilerplate, along with a CLI, component/model generators, and more!

Ember.js - A JavaScript framework for creating ambitious web applications

Virtual whiteboard for sketching hand-drawn like diagrams

Simple, scalable state management.

The Svelte Language Server, and official extensions which use it

A tiny (195B to 224B) utility to recursively list all (total) files in a directory

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

🚨 ESLint plugin for vite

An online IDE for rapid web development

A declarative, efficient, and flexible JavaScript library for building user interfaces.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

👇Bread n butter utility for component-tied mouse/touch gestures in React and Vanilla Javascript.

A tiny invariant function

Esprima-compatible implementation of the Mozilla JS Parser API

Public documentation for Visual Studio Code

Documentation website for chakra ui

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

🖌 Webstudio Visual Designer

Sample code illustrating the VS Code extension API.