Wojciech Maj

Display PDFs in your React app as easily as if they were images.

Ultimate calendar for your React app.

Interactive React Lifecycle Methods diagram.

A date picker for your React app.

A time picker for your React app.

An analog clock for your React app.

A datetime picker for your React app.

A date range picker for your React app.

Unofficial adapter for React 17 for Enzyme.

A datetime range picker for your React app.

A function that merges React refs into one.

A collection of React Hooks.

A time range picker for your React app.

A function that returns user's locale as an IETF language tag, based on all available sources.

A function that returns a flag emoji given IETF language tag.

Vite plugin for configuring FALLBACK_THROTTLE_MS in React 19

Vite plugin for replacing Lodash with es-toolkit

Make any Promise cancellable.

Vite plugin for HTML processing and minification

A function that tells you whether a given element is overflowing its container or not. Useful for creating dropdowns and tooltips.

Fit a popover element on the screen.

Yarn Berry plugin that replaces unnecessary polyfills with native implementations.

Integrate Google reCAPTCHA v3 with your React app

A collection of date-related utilities.

A collection of opening hours-related utilities.

Simple translation module for React applications.

Native macOS menu bar app for tracking remaining Claude, Codex, and GitHub Copilot usage.

A collection of array-related async utilities.

A collection of color-related utilities.

A GitHub action that outputs bundle size comparison tables for pull requests

Script to get stats about package managers used in most popular projects on GitHub.

A function that merges given class names, no matter their format: string with single or multiple class names or an array of class names. Filters out invalid class names as well.

Render QR codes as SVG in your React app.

A button that handles Promises for your React app.

Recreate a Webpack project just by providing an URL.

Predicts the input value during KeyDown or KeyPress events, before the input is actually changed

Generates a summary of differences between two i18n files

Returns an object with on-event callback props curried with provided args.

Adds module: NodeNext support to Turbopack in Next.js.

A tool to help with coworking with people in different timezones.

Check if a number is a valid Australian Business Number (ABN).

Jotform API Node.js Client

Check if a number is a valid Numer Identyfikacji Podatkowej (NIP).

ESLint configuration by wojtekmaj

A function that given input element, updates its width to fit its content.

A tiny helper that turns async Jotai atoms into loadable atoms

Check if a number is a valid PESEL.

Check if a number is a valid Australian postcode.

Check if a number is a valid REGON.

Universal Windows Platform web framework

Check if a number is a valid Employer Identification Number (EIN)

Check if a number is a valid Australian Company Number (ACN).

Run ESLint on staged files only.

Extends Nightmare with .rightClick(), .middleClick(), .ctrlClick() and other actions.

Sync songs scraped from odsluchane.eu to Spotify playlists

Render DOCX documents with React

Check if a number is a valid Unique Taxpayer Reference (UTR).

Use vitest with react native

a fast, modern browser for the npm registry

Checkbox component for React Native

🏭 The most lightweight, customizable React markdown component.

Interactive UI for local node modules inspection

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891.

A React-Native datetime-picker for Android and iOS

Generate TypeScript interfaces from a Contentful environment

Extends Nightmare with .waitForUrl() action.

Generates a summary of differences between two Webpack summaries

JavaScript library for using the Durable Functions bindings

Check if a number is a valid UK VAT number

Render QR codes as SVG in your React Native app.

📄 Create PDF files using React

Delightful JavaScript Testing.

Load node modules according to tsconfig paths, in run-time or via API.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Turn a path string such as `/user/:name` into a regular expression

Convert CSS text to a React Native stylesheet object

🌐 Internationalization (i18n) for Next.js

TypeScript-first schema validation with static type inference

✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!

Typescript definitions for npm registry content

Various improvements and fixes for npmjs.com

A reproducer to easily recreate bugs and report problems for React Native

The React Native Community CLI - command line tools to help you build RN apps

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Node.js middleware for handling `multipart/form-data`.

🤳 decode heic images to extracts the raw pixel data

The companion repo for the upcoming Total TypeScript book

Automates PWA asset generation and image declaration. Automatically generates icon and splash screen images, favicons and mstile images. Updates manifest.json and index.html files with the generated images according to Web App Manifest specs and Apple Human Interface guidelines.

Barcode Writer in Pure JavaScript

test for inclusion or exclusion of paths using globs

Get and validate the raw body of a readable stream

A simple cron-like job scheduler for Node.js

A collection of common interactive command line user interfaces.

A tiny and fast library for word wrapping terminal output.

utility functions for archiver

This tool allows you to export a Contentful space to a JSON dump

Create and parse HTTP Content-Type header

Synchronous json schema dereference utility

Stream commit objects from git log

Full zlib module for browserify

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Repository for Parcel file merge bug reproduction

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Lightweight @babel/parser AST traversal tools.

A number input that automatically puts the separators in as you type.

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Unofficial fork of enzyme-adapter-utils with added support for React 17.