dappconnect-sdks/packages/components/hooks/use-throttle.ts

39 lines
668 B
TypeScript

import { useMemo } from 'react'
const throttle = <Args extends unknown[]>(
fn: (...args: Args) => void,
cooldown: number
) => {
let lastArgs: Args | undefined
const run = () => {
if (lastArgs) {
fn(...lastArgs)
lastArgs = undefined
}
}
const throttled = (...args: Args) => {
const isOnCooldown = !!lastArgs
lastArgs = args
if (isOnCooldown) {
return
}
window.setTimeout(run, cooldown)
}
return throttled
}
const useThrottle = <Args extends unknown[]>(
cb: (...args: Args) => void,
cooldown: number
) => {
return useMemo(() => throttle(cb, cooldown), [cb, cooldown])
}
export { useThrottle }