React Todo App

A progressive web app (PWA) built with React and Vite for managing daily tasks.

Features

• Add tasks with Enter key or Add button
• Delete tasks individually
• Mark tasks as complete with visual strike-through
• Undo completion by unchecking
• Input validation with error feedback
• Accessible — keyboard navigable, ARIA labels, semantic HTML
• Responsive across mobile, tablet, and desktop
• PWA — installable and works offline

Tech Stack

• React 19 + Vite 5
• Plain CSS Modules (no UI library)
• vite-plugin-pwa (Workbox)
• Vitest + React Testing Library (>90% coverage)
• Deployed on Vercel

Getting Started

npm install
npm run dev

Running Tests

npm test

Build

npm run build