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import { useEffect, useRef } from '@wordpress/element'; |
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|
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export const useRateLimitedCursor = (cb, intervalMs = 2000, deps = []) => { |
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const lastAtRef = useRef(0); |
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const timerRef = useRef(null); |
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|
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useEffect(() => { |
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const schedule = () => { |
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clearTimeout(timerRef.current); |
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|
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const now = Date.now(); |
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const wait = Math.max(0, lastAtRef.current + intervalMs - now); |
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|
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const run = () => { |
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lastAtRef.current = Date.now(); |
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const hasMore = cb(); |
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if (hasMore) schedule(); |
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}; |
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|
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if (wait === 0) run(); |
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else timerRef.current = setTimeout(run, wait); |
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}; |
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|
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schedule(); |
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|
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return () => { |
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clearTimeout(timerRef.current); |
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timerRef.current = null; |
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}; |
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}, [cb, intervalMs, ...deps]); |
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}; |
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