Beginner

Component Architecture Fundamentals

Learn to split UI into components that compose cleanly instead of tangling into a ball of props. Scaffold a Vite + React project, build a small card-based UI, and work through the decisions that separate a component tree that scales from one that turns into prop-drilling spaghetti.

~4h

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Intro

Components are the unit of everything in React

Every React app, no matter how large, is built from the same primitive: a function that takes props and returns JSX. This project scaffolds a Vite + React project, builds a small card-based UI, and works through the decisions that separate a component tree that scales from one that turns into prop-drilling spaghetti — composition over configuration, and children over endless boolean props.

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Step 1 — Scaffold with Vite

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Step 2 — Build a component that takes props, not configuration

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Step 3 — Compose with children instead of duplicating layout

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Step 4 — Lift state up when siblings need to share it

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Secret Mission

Secret Mission: refactor a prop-drilling mess

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Wrap Up

Before You Go

Pro

Test what you just learned

Self-testing is one of the best ways to retain new skills. Unlock project quizzes to check your understanding.

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