Andrey Sitnik

A tiny (118 bytes), secure, URL-friendly, unique string ID generator for JavaScript

Nano ID generates tiny, unique random IDs for your app, a modern, URL-safe alternative to UUID that is 40% shorter, cryptographically secure, and weighs just 118 bytes.

Easing Functions Cheat Sheet

The source code for easings.net, a visual reference website where developers pick and compare easing functions that control how animations speed up, slow down, or bounce over time.

Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

Wrapper for the Page Visibility API

Simple and tiny (107 bytes) event emitter library for JavaScript

Autoprefixer for Ruby and Ruby on Rails

Use picocolors instead. It is 3 times smaller and 50% faster.

MediaRecorder polyfill to record audio in Edge and Safari

JS library to improve keyboard UI of web apps

PostCSS plugin and tiny JS script (131 bytes) to use WebP in CSS background

Polyfill for OffscreenCanvas to move Three.js/WebGL/2D canvas to Web Worker

JS library to convert text from one keyboard layout to other

My home config, scripts and installation process

ꙮ Review dependencies changes to prevent supply chain attack

A tiny (37 bytes) Promise wrapper around setTimeout

Netlify replacement to deploy simple websites with better flexibility, speed and without vendor lock-in

Publish JS project as dual ES modules and CommonJS package to npm

Spy and mock methods in tests with great TypeScript support

Unit tests for TypeScript definitions in your JS open source library

autoprefixer-core was depreacted, use autoprefixer

Tiny framework for web pages to split your app to separated blocks

jQuery plugin to set listeners to CSS Transition animation end or specific part

Sass functions and mixins to inline images and get images size

Compass.js allow you to get compass heading in JavaScript by PhoneGap, iOS API or GPS hack.

Helpers for frontend from Evil Martians

Bash completion support for Rake

Fast spelling check for Travis CI

My homepage content and scripts

Best way to use latest jQuery in Ruby app

Fotorama for Ruby on Rails

No description.

GNOME Shell extension to hide battery icon in top panel, if battery is fully charged and AC is connected.

Keynotes about PostCSS

Darian Mars calendar converter

The CLI shortcut for node --test runner with TypeScript

Data persistence with human readable and editable storage.

Programming language to automatically generate programs by evolution (genetic programming).

GNOME Shell extension to hide keyboard layout indicator in status bar

Fedora CoreOS ignition config for my home server

Универсальная раскладка Ситника

No description.

A Github Action to install runtimes by asdf CLI with a cache

Load all JS/CSS files from site website

Script to automatically repost statuses from Twitter to VK (В Контакте)

Print Jest snapshots to check CLI output of your tool

Return CI job number to run huge tests only on first job

CLI for Autoprefixer

Store different languages in one source file

Fix global CSS with PostCSS

D²NA language for genetic programming

Keynote generator

Boilerplate for my open source projects

Доклад «Анимации по-новому — лень, гордыня и нетерпимость»

Keynotes about PostCSS way

Display gulp-bench results in nice table view

Make npm packages smaller by cleaning `package.json` and popular development configs

GNOME extension to add to GNOME system search a quick way to run any of your projects in specific IDE

Lowlight support for JSTransformers

Доклад «Веб, теперь в 3D: Практика»

No description.

Evolu Steam – evolutionary computation for JavaScript

CLI for Jest test framework, but coverage only on first CI job

Department homepage

Ruby2Jar builds JAR from a Ruby script

For contributing to upcoming newsletter issues.

Blog/book Plague engine

Текст блогокниги «Инсомнис»

Презентация «Автопрефиксер: мир без CSS-префиксов»

js action to auto post comments based on changes in a pull request

Storybook is a frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.

Shower Bright theme for Showbox

Sitnik’s theme for ShowBox

Consume and generate source maps.

PostCSS syntax for parsing HTML (and HTML-like)

Fast, disk space efficient package manager

No description.

Shower for ShowBox

Create GitHub Releases based on latest record in `CHANGELOG.md` file

A Gnome Shell extension that passes screenshots through an OCR engine and places the text on the clipboard

GNOME Shell extension that displays your Claude Code usage percentage

A minimal ESLint plugin that requires `node:` imports

No bullshit IT community with private membership

A reference implementation for the specification that can create and configure a dev container from a devcontainer.json.

Parse and lookup IP network blocks

A CSS parser, transformer, and minifier written in Rust.

Free free template for dev tools

No description.

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Raw browser/feature support data from caniuse.com

No description.

Gnome extension to Set battery charging threshold / charging limit / charging mode Battery Health Charging: An extension to maximize the battery life of laptops by setting their charging threshold or modes.

ESLint plugin for Svelte using AST

Gnome extension to enable volume boost

Minimalist color scheme for Sublime Text 3

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

Home for Sync and Local-first

Report errors for code which wont work in browsers without transpiling

No description.

Color space conversion & manipulation lib. Work in progress.

uvu is an extremely fast and lightweight test runner for Node.js and the browser

No description.