23 lines
775 B
TypeScript
23 lines
775 B
TypeScript
import { useEffect, useState } from "react"
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export const useDebounce = <T>(value: T, delay: number): T => {
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// State and setters for debounced value
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const [debouncedValue, setDebouncedValue] = useState(value)
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useEffect(
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() => {
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// Update debounced value after delay
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const handler = setTimeout(() => {
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setDebouncedValue(value)
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}, delay)
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// Cancel the timeout if value changes (also on delay change or unmount)
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// This is how we prevent debounced value from updating if value is changed ...
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// .. within the delay period. Timeout gets cleared and restarted.
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return () => {
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clearTimeout(handler)
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}
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},
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[value, delay] // Only re-call effect if value or delay changes
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)
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return debouncedValue
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}
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