Learn React 19: The Complete Guide to Modern Web Apps/

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Challenge: GitHub User Search App

Challenge: GitHub User Search App

Let's build a React app that allows users to search GitHub profiles efficiently while implementing data fetching, error handling, and React Query caching for performance optimization.

We'll cover the following...

Problem statement

You’re tasked to build a GitHub User Search Tool for your company’s developer dashboard. The app must let users type a GitHub username, fetch the corresponding user’s profile information (name, bio, followers, email), and display it clearly on the screen.

The product team requires the following:

  1. Repeated searches for the same user should load instantly — served from React Query’s ...