Typing Level Zero

Try it online: https://typing-level-zero.pages.dev/

Typing Level Zero is a touch typing practice tool built with Vite, React, and TypeScript. Completed plays and analysis data are kept in the browser with IndexedDB.

Requirements

• Node.js 20.19 or later
• pnpm 11.1.1

Install dependencies from the repository root:

pnpm install

Development

Start the Vite development server:

pnpm run dev

The application is served from the site root.

Build and preview the production bundle:

pnpm run build
pnpm run preview

Checks

pnpm run format
pnpm run lint
pnpm run test:unit
pnpm run test:e2e
pnpm run test

Unit tests use Vitest with a jsdom environment. Playwright runs Chromium E2E tests against a production preview server. Tests are expected under tests/unit and tests/e2e.