One search box made my whole React dashboard feel broken.
Every keypress landed late. Almost 300ms late.
My first instinct was the same one a lot of React developers have: memoize everything.
useMemo?
useCallback?
My React Search Box Froze on Every Keystroke. I Fixed It by Stealing Python's #1 Scope Rule.
A 150-component React dashboard went from 142.7ms to 4.1ms per keystroke after I stopped keeping search state too high in the tree.
1,379 words~6 min read
