Building Snake in React — Canvas RAF Loop, Mutable Refs to Avoid Stale Closures, and Wall Wrap

📰 Dev.to · Shaishav Patel

Learn to build the classic game Snake in React, overcoming challenges like stale closures and canvas rendering

intermediate Published 7 Apr 2026

Action Steps

Create a new React project using create-react-app to set up the environment
Set up a Canvas element and get a reference to it using mutable refs
Implement a requestAnimationFrame (RAF) loop to handle game updates and rendering
Use mutable refs to avoid stale closures and ensure smooth game performance
Add wall wrap functionality to enhance gameplay

Who Needs to Know This

Frontend developers and React enthusiasts can benefit from this tutorial to improve their skills in game development and optimization

Key Insight

💡 Using mutable refs and a RAF loop can help avoid stale closures and improve performance in React game development

Key Takeaways

Learn to build the classic game Snake in React, overcoming challenges like stale closures and canvas rendering

Snake seems simple — move, eat, grow, repeat. But building it in React has a specific trap: if you...