Categories

Hook10

useDebouncedValue

Debounces a value by a specified delay.

Contributed by @itsbrunodev

typescript
import { useState, useEffect } from "react";
 
function useDebouncedValue(value: string, delay: number) {
  const [debouncedValue, setDebouncedValue] = useState(value);
 
  useEffect(() => {
    const handler = setTimeout(() => {
      setDebouncedValue(value);
    }, delay);
 
    return () => {
      clearTimeout(handler);
    };
  }, [value, delay]);
 
  return debouncedValue;
}
typescript
const [query, setQuery] = useState("");
const debouncedQuery = useDebouncedValue(query, 500);
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