React · Senior · Question 55 of 75

What does the React Compiler need from your code to optimize it safely?

✓Correct answer: Components and hooks that follow the Rules of React: pure render, no mutation of props/state, rules of hooks
2Every component wrapped in memo manually
3Class components only

Explanation

When it detects rule violations it skips that component instead of risking bugs. The "use no memo" directive opts a component out temporarily.

Further reading

Test yourself

Take the React · Senior quiz: questions and options are shuffled, and you get a review of your mistakes at the end.