18 lines
438 B
JavaScript
18 lines
438 B
JavaScript
import { useState, useEffect } from 'react'
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import { createContainer } from 'unstated-next'
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function useClock() {
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const [data, setData] = useState({ lastUpdate: 0, light: false })
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useEffect(() => {
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let interval = setInterval(() => {
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setData({ lastUpdate: Date.now(), light: !data.light })
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}, 1000)
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return () => clearInterval(interval)
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}, [data.light])
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return data
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}
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export default createContainer(useClock)
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