Kyle Simpson

A peaceful exploration of passkey branding and UX

The most powerful IO monad implementation in JS, possibly in any language!

Cancelable Async Flows (CAF)

Foi: a different kind of functional programming language

A book series (2 published editions) on the JS language.

A free online book series that teaches how JavaScript actually works under the hood, covering scope, closures, objects, types, async behavior, and modern language features.

Pragmatic, balanced FP in JavaScript. @FLJSBook on twitter.

A free online book teaching functional programming in JavaScript through a practical subset of concepts, written for working JS developers rather than academics.

Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies

Asynchronous flow control (promises, generators, observables, CSP, etc)

Provides React-inspired 'hooks' like useState(..) for stand-alone functions

A polyfill for native ES6 Promises as close as possible (no extensions) to the strict spec definitions.

Comparing various async patterns for a single demo

FP iterators that are both eager and asynchronous

YouPeriod.app -- the privacy-first period tracking app

FP library for JavaScript. Supports named-argument style methods.

Simple minifier for JSON to remove comments and whitespace

The Type Linter for JS

**DEPRECATED** A collection of thin facade APIs wrapped around HTML5 JavaScript features.

ESLint rules to ensure proper arrow function definitions

Simple-logic templates

Convert CommonJS (CJS) modules to UMD and ESM formats

Feature Tests for JavaScript

DEPRECATED: Transpile non-ES6 let-blocks into ES6 (or ES3)

"The Incomplete Guide to JavaScript" (book). @IncompleteJS on twitter.

Specialized async queue data structure, supports revocation of values

highly-efficient pool for JavaScript objects

No description.

Defining a standard JavaScript CST (concrete syntax tree) to complement ASTs

ESLint rules to ensure proper usage of ternary/conditional expressions

A casual game built for the web.

JavaScript VM engine (powered by V8); server-side environment modules; server-side synchronous web app controllers

Demo PoC game for various advanced HTML5 js APIs

No description.

EL/ASI: Encrypt Locally, Account Secure Interchange

Remote bridge for CSP channels

Scan a JS file tree to build an ordered and grouped dependency listing

A game where words dwindle down to the shortest possible

timers with less race conditions

Simple blogging with node/iojs + GitHub.

DOM and Event helpers for Monio

ESLint plugin to disallow the optional-call operator

DEPRECATED: ESLint rule to require arrow functions to reference the 'this' keyword

some project files for a tutorial on making a simple web game

Rewrite ES module import specifiers using an import-map.

A mock of (parts of) the DOM API to simulate resource preloading and loading

Try to enforce HD (16:9) camera aspect ratio for web-video calls

framework plugin for handling multi-part Ajax responses

DEPRECATED. asynchronous gate for javascript

Workshop files for building tic-tac-toe in JS and <canvas>

esre: fully configurable JS code formatting

No description.

Specialized heuristic lexer for JS to identify complex literals

FoilScript: a new dialect of JS that fixes the sucky parts but still looks and feels like JS

Bridge DOM events to a JS event hub (for pubsub)

JavaScript Feature Tests... as a service

Normalize CSS selectors

No description.

Workshop files for building a pong-variant game in JS and <canvas>

Proof-of-concept demo for server-side JavaScript driven "middle-end" architecture

No description.

Boilerplate Starting Point for Middle-end Web Architecture

No description.

Workshop exercises for "FP: Zero to Monad"

Slides code built for "The Economy of Keystrokes" talk

simple tool to read your own privately stored credit card info via browser autofill

Santa Connect: keeping track of your kids' nice/naughty status

bug demo for NYC code coverage tool

React Native bindings to Libsodium matching the libsodium-wrappers package API

✨ A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies. 🇺🇦

unnamed (for now). nothing to see here. ;-)

A repository contain various examples of using Source's products

No description.

Serving public URLs for files in npm packages

No description.

Edge-First Manifesto