Tim DownandCopybot
7abafb01ea
Upgrade to React 18 GitOrigin-RevId: 9b81936e6eea2bccd97fe5c2c5841f0b946371b8
16 lines
401 B
TypeScript
16 lines
401 B
TypeScript
import { useEffect, useRef } from 'react'
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export const useUserChannel = (): BroadcastChannel | null => {
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const channelRef = useRef<BroadcastChannel | null>(null)
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if (channelRef.current === null && 'BroadcastChannel' in window) {
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channelRef.current = new BroadcastChannel('user')
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}
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useEffect(() => {
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return () => channelRef.current?.close?.()
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}, [])
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return channelRef.current
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}
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