What are some common mistakes when using reducers in Redux?

What are some common mistakes when using reducers in Redux?

Some common mistakes include mutating state directly, not returning a new state object, and forgetting to handle default cases.

Can you explain why mutating state is a problem?

Mutating state directly can lead to unpredictable behavior and makes it difficult to track changes, which can cause bugs.

What should I do instead of mutating state?

Instead of mutating state, always return a new object or array that represents the updated state.

Are there any tools to help avoid these mistakes?

Yes, tools like Redux Toolkit and ESLint with specific plugins can help enforce best practices and catch mistakes.