Jamie Kyle

:snowman: Possibly the smallest compiler ever

A single, heavily commented JavaScript file that teaches you how compilers work by implementing one from scratch, covering tokenizing, parsing, and code generation in a way that is intentionally tiny and easy to read.

:european_castle: All the things you didn't know you wanted to know about data structures

A single JavaScript file that teaches common data structures like linked lists, hash tables, and trees through simple, readable code and plain-English comments. No installation required, just open the file and read through it.

:blue_book: A guided handbook on how to use Babel and how to create plugins for Babel.

State so simple, it goes without saying

:hourglass_flowing_sand: A higher order component for loading components with promises.

React Loadable is a small React library for splitting your app's code at the component level, defer loading heavy UI pieces until the user actually needs them, cutting your initial bundle size.

200 bytes to never think about React state management libraries ever again

:metal: Present code with style

A tiny (~650 B) & modern library for keybindings.

A Tailwind CSS plugin for creating beautiful animations

:rocket: A Babel preset and plugins for optimizing React code.

Make your Flow errors GLOW

Polyfill for the proposed React context API

JSON Parser written entirely in TypeScript's type system

A virtual-scrolling GridList component based on CSS Grids

:star2: Best software for developers and power users.

:shipit: An opinionated example application built with Marionette.js.

:sparkles: Stringify any JavaScript value

:ghost: A friendly little language for you and me.

How to write high-quality friendly documentation that people want to read.

Your dependencies are bad and you should feel bad

Simple immutable state for React using Immer

Tiny library (<200B gzip) for deferring something by a "tick"

Get performance measurements from React Fiber

A Good Form Library

MIT license with additional text to prohibit use by fascists

Regex to test for valid genders

Make sure every file in your repo is exactly where it should be

Example project for React Loadable

:boot: Jasmine-style BDD testing written in Sass for Sass.

Write many files atomically

The MIT license (with personal exceptions)

Cast unknown values to typed values

Run tasks/scripts across Yarn/Lerna/Bolt/etc workspaces.

Simple stubbing/spying for AVA

Measure how fast your repo is growing using cloc

Take care of your spawn()

A small CLI to help you write sharable scripts for your team

Add markers to your React components for easy testing with actual DOM elements

assertEqualJSX

Proposal for Promise.prototype.inspect

User-friendly glob matching CLI

React PropType to conditionally add `.isRequired` based on other props

Test if your user's password has been pwned using the haveibeenpwned.com API

How to make logos in your README that support GitHub's new dark mode

Render something using every possible combination of props

No description.

Redux, explicit.

Optimize React code by making pure classes into functions

[DEPRECATED] A lightweight solution to testing fully-rendered React Components

Easily create and maintain test fixtures in the file system

:hammer: Utility-Belt Library for Sass

A script for enabling 2FA on all of your npm packages

A tiny and fast circular buffer

Experimental API for observing the visible box of an element

the website

An experiment to unify/speed up CI/local development via small Docker containers

Your very own containerized build system!

The Official package.json Standard™ for Npm® endorsed fields

Git workflow for teams

Enforce CODEOWNERS files on your repo

A userscript to disable GitHub turbolinks to force full page navigations

Browser integration testing utils for styled-components

Make _classMembers 'private' using symbols

Run async tasks with dependencies

Get CI environment variables for parallelizing builds

Babel plugin to report dynamic imports with import-inspector with metadata about the import

:two_men_holding_hands: PrideJS logo

Composable validators

:earth_asia: How to setup Crowdin to sync with GitHub

Helper to make Google's incremental-dom library work with React's compile target today.

Prevent accidentally introducing XSS holes with the strings in your app

Replace all instances of "@@strings like this" with hashes.

Stringify JSON *just enough* to see what it is

How to build a compiler – THE TALK

No description.

A simple service class for Backbone.

Sort items in a graph using a topological sort while resolving cycles with priority groups

No description.

pfffffffffffffffffffff whatever

No description.

Improved sorting order for directory entities

A React-based ponyfill for `field-sizing: content`

Puppeteer API shim for other browsers using WebdriverIO

Add inline Flow comments to make Flow shut up about errors

Check if a GitHub Pull Request is in a (most likely) mergeable state

A simple storage class for Backbone Models and Collections.

Download all your female-presenting nipples from Tumblr

Get a random temporary file or directory path that will delete itself

Example of using Rust code in Parcel

This repository is a work in progress and not seeking feedback yet.

Utilities for working with CODEOWNERS files

Create a 'gud nuff' (not cryptographically secure) globally unique id

No description.

Quick references to everything you need to know about using flexbox

Get the shortest leading whitespace from lines in a string

Use Webpack's enhanced-resolve inside Jest

No description.

Precompile inline Handlebars templates.

Raw JSON data for WAI-ARIA 1.1 roles, attributes (states & properties), and value types

A simple Backbone View for rendering React components.

The Perfect Test Framework

AST Code Generator implemented several different ways with and without ES generators.

Check if the currently installed packages match package.json

Throw an error when console.warn/error are called

No description.

"I hate to throw out the 'M' word, but sometimes manifestos can be useful" – @orta

No description.

Utility functions for building Babel plugins for React code

[TEMP REPO] Documentation for Babel

No description.

No description.

CLI starter kit

Benchmarks for different methods of getting the byte length of a string

Get a chunk of an array based on the total number of chunks and current index

Run babel-node with --extensions ts,tsx by default

Object.assign with sorted keys

Short simple syntax for selecting source code

The React documentation website

Link View for Backbone Apps.

Typed async writeFile function

A deno module for working with semver

Created with CodeSandbox

Require a webpack resolveWeak id

No description.

A petition to disallow acceptance of LLM assisted Pull Requests in Node.js core

A tool/library for validating npm/node package.json files

Simple Design System (SDS) is a base design system that shows how Figma’s Variables, Styles, Components, and Code Connect can be used alongside a React codebase to form a complete picture of a responsive web design system.

Remove a file extension from a file path.

Get involved in specifying JavaScript

The content behind MDN Web Docs

Authentication for Next.js

Catalog of React Components & Libraries

Typed async readFile function

The command-line interface for Now

Example of flow-typed in a repo

A framework for building native apps with React.

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

Website to help connect black owned businesses with volunteers

This repository contains compatibility data for Web technologies as displayed on MDN

A (WIP) Extremely fast JavaScript and TypeScript linter and Rust crate

Status, process, and documents for ECMA262

Manage session history with JavaScript

A simple bundler for your delicious modules

Translate your TypeScript errors into plain English

Lexical is an extensible text editor framework that provides excellent reliability, accessible and performance.

SVG as a service?

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

Deno's documentation

Create a sub-traversal of an AST node in your ESLint plugin

A tiny (312B) client-side module for tracking with Google Analytics

A private messenger for Windows, macOS, and Linux.

The source for all tauri project documentation.

A web tool to explore the ASTs generated by various parsers.

No description.

Beautifier and language aware code comparison tool for many languages. It also minifies and a few other things.

Transform plain text into dynamic blogs and websites using React.js

:page_with_curl: A JavaScript parser

beautiful, flexible, powerful js docs

No description.

Utilities for testing babel plugins

Load files into memory to be parsed & traversed using Babylon/Babel

✨Node.js ✨

Pretty unicode tables for the CLI with Node.JS

Visual Studio Code

Yet Another Linked List

User-friendly glob matching

Ambient Light Sensor hook for React

Browser extension that simplifies the GitHub interface and adds useful features

An experimental JavaScript toolchain

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

Set up a modern web app by running one command.

📦✨ pack up the wasm and publish it to npm!

Generate RFC-compliant UUIDs in JavaScript

Backbone.subroute extends the functionality of Backbone.router such that each of an application's modules can define its own module-specific routes.

The Bluesky Social application for Web, iOS, and Android

A data persistence library for Ember.js.

Ajax with less suck - (and node.js HTTP client to match)

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

Biome's website

A reactive programming library for JavaScript

An extremely fast JavaScript bundler and minifier

a fast, scalable, multi-language and extensible build system

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

No description.

The repository for high quality TypeScript type definitions.

An implementation of ECMA-262 in JavaScript

Official ECMAScript Conformance Test Suite

No description.

Standard Library

Tracking ECMAScript Proposals

TC39 meeting agendas

ecmarkup language extensions for Visual Studio Code

No description.

Additional ESLint rules for directive comments of ESLint.

Raw browser/feature support data from caniuse.com

displays the import size of the package you are importing inside the code editor

⚠️ Stop saying "you forgot to …" in code review

HTTP Holder-Of-Key Authentication Scheme

Documentation Builder

A module for managing MySQL connections at SERVERLESS scale