Sebastian "Sebbie" Silbermann

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

Collection of transforms for jscodeshift related to `@types/react`

Implements https://w3c.github.io/accname/

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

The repository for high quality TypeScript type definitions.

Utilities to match the speech output of screen readers when replaying user interactions.

GitHub action that adds a label once a PR has merge conflicts

WIP: item mods overview and crafting simulator for Path of Exile

Allows running ESLint with a single rule on a given directory.

Code for my personal site

Config files for my GitHub profile.

incubator for material-ui maintainer scripts

aggregated passive tree usage statistics

Command-line interface for `esquery`

Test262 report summary for the Hermes version bundled with React Native

Adds missing `await` to `act` calls (or its callers)

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benchmarking types perf of Material-UI for https://github.com/mui-org/material-ui/issues/19113

Logs infos about the environment relevant to @testing-library/*

Emulates interaction of Mods with Items, Atlas etc. in Path of Exile

[WIP] Path of Exile item related react components

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debugging localhost.local on Monterey 12.4

The React Framework

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Staging repo for development of native port of TypeScript

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Tools to maintain React types

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Testing https://github.com/facebook/react/pull/25231

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Parses every stack trace into a nicely formatted array of hashes.

Delightful JavaScript Testing.

Created with CodeSandbox

🇨🇭 A React renderer for Three.js

🤯 Lobe Chat - an open-source, modern-design LLMs/AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Perplexity / Bedrock / Azure / Mistral / Ollama ), Multi-Modals (Vision/TTS) and plugin system. One-click FREE deployment of your private ChatGPT chat application.

Fixture to test RDT hook inspection in prod

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The Bluesky Social application for Web, iOS, and Android

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React components that implement Google's Material Design.

rsc-render-unserializeable

Repository of mods in Path Of Exile and their interaction with monsters, items etc

i18n utility for Path of Exile

experimenting with actions for Material-UI maintenance

Add Prometheus metrics to your React App. Built on top of promjs and react-performance libraries

The React documentation website

A framework for building native applications using React

Set up a modern web app by running one command.

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

Reproduction for https://github.com/vercel/next.js/issues/92116

Repro for https://bugzilla.mozilla.org/show_bug.cgi?id=2010549

Repro for https://issues.chromium.org/issues/475738083

baseline-browser-mapping exposes arrays of browsers compatible with Baseline Widely Available and specified Baseline year feature sets.

Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

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🐕 Simulate user events for react-testing-library

🐙 Simple and complete DOM testing utilities that encourage good testing practices.

Fast, unstyled command menu React component.

🦤 Give me MDX/TSX strings and I'll give you back a component you can render. Supports imports!

Contentlayer turns your content into data - making it super easy to import MD(X) and CMS content in your app

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Rust-based platform for the Web

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Node library to automate Chromium, Firefox and WebKit with a single API

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Source code handling classes for webpack

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Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

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The Website and web infrastructure for learning TypeScript

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Ergonomic way to view Graphite PRs on GitHub

A collection of AMP tools making it easier to publish and host AMP pages.

Visual Studio Code

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ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library

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Personal scripts

The CDN for everything on npm

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

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The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

An interactive, progressively enhanced message box using Next.js 14 with Server Actions, Tailwind CSS and Prisma. See "optimistic" and "optimistic-retry" branches for optimistic updates.

docs site for *-testing-library

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Next.js maxDuration fixture

SDK for BaseHub—Fast, Collaborative, AI-Native Content Management.

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How to implement required non-failing-deployment

For https://github.com/facebook/react/issues/30172

💌 Build and send emails using React

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Repro for https://linear.app/vercel/issue/NEXT-3521

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

Contentlayer turns your content into data - making it super easy to import MD(X) and CMS content in your app

Redefined chart library built with React and D3

DayPicker is a customizable date picker component for React. Add date pickers, calendars, and date inputs to your web applications.

React components to build charts and dashboards

CodeMirror 6 component for React. @codemirror https://uiwjs.github.io/react-codemirror/

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Created with CodeSandbox

React codemod scripts

Created with CodeSandbox

A collection of libraries and tools that help you build adaptive, accessible, and robust user experiences.

Official React bindings for Redux

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Build better websites

Use Datadog from your CI.

🐙 Experimental Web testing utilities that encourage good testing practices.

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RE: https://twitter.com/JLarky/status/1672245484885512192

Repro for https://github.com/microsoft/TypeScript/issues/54743

A JavaScript engine optimized for running React Native.

🦉 Simple and complete React Native testing utilities that encourage good testing practices.

Fast, easy and reliable testing for anything that runs in a browser.

react-typescript-typesversions-exports

Declarative API exposing platform native touch and gesture system to React Native.

Cobrowse.io - React Native SDK

A performant interactive bottom sheet with fully configurable options 🚀

A Jest reporter that creates compatible junit xml files

🐅 Simple and complete custom Cypress commands and utilities that encourage good testing practices.

Simple reusable React error boundary component

react-typescript-jsx

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Created with CodeSandbox

Created with CodeSandbox

Standard set of easy to use animations and declarative transitions for React Native

example repo for

Issue displaying incompatibility with lowest possible typescript version according to peerDependency

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repro for next-transpile-modules issue

repro for next.js issue with webpack alias

Repro for https://github.com/mochajs/mocha/issues/4495

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Repro for https://github.com/facebook/jest/issues/10560

Repro for https://github.com/testing-library/react-hooks-testing-library/issues/544

CLI toolbox for common scripts for my projects

benchmark repo for https://github.com/jsdom/jsdom/pull/3008

FIXED nextjs useId integration issue

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Infrastructure for DefinitelyTyped

A Webpack-based toolkit to build your React Native application with full support of Webpack ecosystem.

React specific linting rules for ESLint

Demonstrating "act" warnings with React 18 and RTL 13.4

Statoscope is a toolkit to analyze and validate webpack bundle

Repro for TODO-webpack-issue

Polyfill for the AbortController DOM API and abortable fetch (stub that calls catch, doesn't actually abort request).

Monitor and measure React Native performance

JavaScript Testing utilities for React

🐏 Simple and complete React hooks testing utilities that encourage good testing practices.

🚀 The easiest way to automate building and releasing your iOS and Android apps

A browser API to prevent DOM-Based Cross Site Scripting in modern web applications.

Custom Element + Framework Interoperability Tests.

Statoscope sandbox https://statoscope.tech

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https://github.com/testing-library/react-testing-library/issues/1027

The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

:tropical_fish: Babel is a compiler for writing next generation JavaScript.

🍿Positioning tooltips and popovers is difficult. Popper is here to help!

The Official MongoDB Node.js Driver

A JavaScript implementation of the WHATWG DOM and HTML standards, for use with node.js

Programmatic access to the ARIA specification

A repository containing examples using NodeJS with Sauce Labs

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

a cheatsheet for react users using typescript with react for the first (or nth!) time

An easy way to perform animations when a React component enters or leaves the DOM

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

Dashboard for Material-UI contributors

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A React component for swipeable views. :snowflake:

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

👩‍🎤 CSS-in-JS library designed for high performance style composition

🛠Development tools to build, optimize and deploy Progressive Web Applications for Magento 2.

Quickly and conveniently manage your open tabs https://tab-manager.vercel.app

Operation Code's website

This is a small library of React components targeting Bootstrap v5. The primary intention of this project is to reduce the markup needed for commonly-used elements.

A React components library with Win95 UI

Opinionated Vite starter template.

🎚Flip or flop features in your React application in real-time backed by flag provider of your choice 🚦

Dictionary database with future API and bot integrations