(() => { const RECOVERY_WINDOW_MS = 120000; const CHUNK_REFRESH_KEY = "carbyne_chunk_refresh_v2"; const HYDRATION_REFRESH_KEY = "carbyne_hydration_refresh_v1"; function readRecentAttempts(key) { try { const now = Date.now(); const attempts = JSON.parse(sessionStorage.getItem(key) || "[]"); return Array.isArray(attempts) ? attempts.filter((attempt) => now - Number(attempt) < RECOVERY_WINDOW_MS) : []; } catch { return []; } } function shouldReload(key) { if (navigator.onLine === false) return false; try { const attempts = readRecentAttempts(key); if (attempts.length >= 2) return false; attempts.push(Date.now()); sessionStorage.setItem(key, JSON.stringify(attempts)); return true; } catch { return true; } } function messageFrom(reason) { if (!reason) return ""; if (reason instanceof Error) return reason.name + " " + reason.message; if (typeof reason === "object" && "message" in reason) { return String(reason.name || "") + " " + String(reason.message || ""); } return String(reason); } function isStartupAssetError(reason) { return /ChunkLoadError|Loading chunk .* failed|Failed to fetch dynamically imported module|Importing a module script failed/i.test( messageFrom(reason) ); } function showBootFailure() { const render = () => { if (!document.body) return; document.body.innerHTML = '

' + '

App update required

' + '

The app could not finish loading its latest update. Reload once more to fetch a fresh copy.

' + '' + '

'; const button = document.querySelector("button"); if (button) button.addEventListener("click", () => window.location.reload()); }; if (document.body) { render(); } else { window.addEventListener("DOMContentLoaded", render, { once: true }); } } function clearRuntimeState() { const cacheTask = "caches" in window ? caches.keys().then((cacheNames) => Promise.all( cacheNames .filter((name) => name.startsWith("carbyne-") || name.includes("next")) .map((name) => caches.delete(name)) )) : Promise.resolve(); const serviceWorkerTask = navigator.serviceWorker && navigator.serviceWorker.getRegistrations ? navigator.serviceWorker.getRegistrations().then((registrations) => Promise.all(registrations.map((registration) => registration.unregister())) ) : Promise.resolve(); return Promise.all([cacheTask, serviceWorkerTask]); } function reloadAfterCacheClear(key) { if (!shouldReload(key)) { showBootFailure(); return; } clearRuntimeState() .catch(() => null) .finally(() => window.location.reload()); } window.addEventListener("error", (event) => { const target = event.target; const scriptSrc = target && target.tagName === "SCRIPT" ? target.src : ""; if ( (scriptSrc && scriptSrc.includes("/_next/")) || isStartupAssetError(event.error || event.message) ) { reloadAfterCacheClear(CHUNK_REFRESH_KEY); } }, true); window.addEventListener("unhandledrejection", (event) => { if (isStartupAssetError(event.reason)) { reloadAfterCacheClear(CHUNK_REFRESH_KEY);

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