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MOPC-Portal/src/components/shared/version-guard.tsx

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'use client'
import { useEffect, useRef } from 'react'
import { toast } from 'sonner'
const CLIENT_BUILD_ID = process.env.NEXT_PUBLIC_BUILD_ID
export function VersionGuard() {
const notified = useRef(false)
useEffect(() => {
async function checkVersion() {
if (notified.current) return
try {
const res = await fetch('/api/version', { cache: 'no-store' })
if (!res.ok) return
const { buildId } = await res.json()
if (buildId && CLIENT_BUILD_ID && buildId !== CLIENT_BUILD_ID) {
notified.current = true
toast('A new version is available', {
description: 'Refresh to get the latest updates.',
duration: Infinity,
action: {
label: 'Refresh',
onClick: () => window.location.reload(),
},
})
}
} catch {
// Network error — ignore
}
}
// Check on tab focus (covers users returning to stale tabs)
window.addEventListener('focus', checkVersion)
// Also check every 5 minutes for long-lived tabs
const interval = setInterval(checkVersion, 5 * 60 * 1000)
return () => {
window.removeEventListener('focus', checkVersion)
clearInterval(interval)
}
}, [])
return null
}