Created
January 11, 2024 06:39
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| import * as React from "react"; | |
| function throttle(cb, ms) { | |
| let lastTime = 0; | |
| return () => { | |
| const now = Date.now(); | |
| if (now - lastTime >= ms) { | |
| cb(); | |
| lastTime = now; | |
| } | |
| }; | |
| } | |
| export default function useIdle(ms = 1000 * 20) { | |
| const [idle, setIdle] = React.useState(false); | |
| React.useEffect(() => { | |
| let timeoutId; | |
| const handleTimeout = () => { | |
| setIdle(true); | |
| }; | |
| const handleEvent = throttle(() => { | |
| setIdle(false); | |
| window.clearTimeout(timeoutId); | |
| timeoutId = window.setTimeout(handleTimeout, ms); | |
| }, 500); | |
| const handleVisibilityChange = () => { | |
| if (!document.hidden) { | |
| handleEvent(); | |
| } | |
| }; | |
| timeoutId = window.setTimeout(handleTimeout, ms); | |
| window.addEventListener("mousemove", handleEvent); | |
| window.addEventListener("mousedown", handleEvent); | |
| window.addEventListener("resize", handleEvent); | |
| window.addEventListener("keydown", handleEvent); | |
| window.addEventListener("touchstart", handleEvent); | |
| window.addEventListener("wheel", handleEvent); | |
| document.addEventListener("visibilitychange", handleVisibilityChange); | |
| return () => { | |
| window.removeEventListener("mousemove", handleEvent); | |
| window.removeEventListener("mousedown", handleEvent); | |
| window.removeEventListener("resize", handleEvent); | |
| window.removeEventListener("keydown", handleEvent); | |
| window.removeEventListener("touchstart", handleEvent); | |
| window.removeEventListener("wheel", handleEvent); | |
| document.removeEventListener("visibilitychange", handleVisibilityChange); | |
| window.clearTimeout(timeoutId); | |
| }; | |
| }, [ms]); | |
| return idle; | |
| } |
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https://stackblitz.com/edit/stackblitz-starters-ej4uts?file=src%2FApp.tsx