kilyabin
25 lines
592 B
TypeScript
25 lines
592 B
TypeScript
// Singleton: один interval на всё приложение
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let checkInterval: number | null = null
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const isOnline = ref<boolean>(true)
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export function useBackendStatus() {
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async function check() {
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try {
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const res = await fetch('/api/health', { signal: AbortSignal.timeout(3000) })
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isOnline.value = res.ok
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} catch {
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isOnline.value = false
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}
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}
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function startPolling() {
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if (checkInterval || !import.meta.client) return
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check()
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checkInterval = window.setInterval(check, 5000)
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}
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onMounted(startPolling)
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return { isOnline, check }
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}
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