TypeScript-first schema validation with static type inference

A collection of TypeScript/JavaScript packages to build high-quality web services.

🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.

Collection of TypeScript type challenges with online judge

An opinionated end-to-end solution for Next.js applications that requires multiple languages.

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

Industry standard API mocking for JavaScript.

Viteshot 📸 is a fast and simple component screenshot tool based on Vite.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Visual Development for React, Vue, Svelte, Qwik, and more

React library to help to build form easier

Unified developer tools for JavaScript, TypeScript, and the web

The best way to write secure and reliable applications. Write nothing; deploy nowhere.

Material for my React Fundamentals Workshop

FE 기술 소식 큐레이션 뉴스레터

typescript eslint playground

🚚 마이그레이션 이전 블로그 (2020 ~ 2022)

Find and fix problems in your JavaScript code.

개발 블로그, 공부한거 정리

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

Awesome React Hooks

Leon Sans is a geometric sans-serif typeface made with code in 2019 by Jongmin Kim.

🌐 Front End interview preparation materials for busy engineers (updated for 2025)

Lightweight React bindings for MobX based on React 16.8 and Hooks

Simple, scalable state management.

👦 👧 Technical-Interview guidelines written for those who started studying programming. I wish you all the best. 👾

Clean Code concepts adapted for TypeScript

✅ A brief introduction to Test Driven Development (TDD) in JavaScript (Complete Beginner's Step-by-Step Tutorial)

A complete computer science study plan to become a software engineer.