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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | 6x 2x 2x 2x 2x 2x 2x | import React, { useSyncExternalStore } from 'react'; function getSnapshot() { return navigator.onLine; } function getServerSnapshot() { return true; } function subscribe(callback: () => void) { window.addEventListener('online', callback); window.addEventListener('offline', callback); return () => { window.removeEventListener('online', callback); window.removeEventListener('offline', callback); }; } export function useOnline() { return useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot); } |