Library · tool

React

Build accessible, tested user interfaces with React components, state and props, with the patterns used in dApp and product front ends.

React appeared in 24% of the Blockchain Developer job descriptions we read and 17% of the Forward Deployed Engineer ones; most dApp front ends are React or Next.js apps. The lesson assumes the TypeScript shelf.

The example uses React 19, TypeScript, Vitest 5 and Testing Library.

1React components that work and are testedA form component with every state, and tests that act like users4 min read