React in Depth. Morten Barklund

React in Depth by Morten Barklund is a comprehensive guide tailored for front-end developers who want to truly master React—not just use it. Moving beyond beginner tutorials and surface-level knowledge, this book dives deep into the mechanics of the library, helping readers understand why React works the way it does.

Barklund, a seasoned developer and educator, guides readers through advanced concepts such as reconciliation, hooks, context, performance optimization, and custom renderers. The book emphasizes mental models and internal workings over rote code snippets, giving developers the confidence to build scalable, maintainable applications with React.

Ideal for those who already have a working knowledge of React and want to fill in the gaps or solidify their understanding, React in Depth delivers clarity, depth, and practical insight. Whether you're building large-scale apps or mentoring others, this book helps you think in React like a true expert.

What's Inside

• Optimize React performance
• Use CSS in JavaScript
• Manage data in React
• Unit test React components