(() => { const reloadFlag = "falcon-chunk-reload-attempted"; const fallbackId = "falcon-chunk-error-fallback"; let recoveryStarted = false; const readMessage = (value) => { if (typeof value === "string") { return value; } if (value && typeof value === "object") { const message = "message" in value && typeof value.message === "string" ? value.message : ""; const name = "name" in value && typeof value.name === "string" ? value.name : ""; return [name, message].filter(Boolean).join(": "); } return ""; }; const isChunkUrl = (url) => typeof url === "string" && url.includes("/_next/static/chunks/"); const isChunkFailure = (value) => { const message = readMessage(value); if (!message) { return false; } return ( message.includes("ChunkLoadError") || (message.includes("/_next/static/chunks/") && message.includes("Failed to load")) || message.includes("Loading chunk") ); }; const showFallback = () => { if (document.getElementById(fallbackId)) { return; } const host = document.body || document.documentElement; const fallback = document.createElement("div"); fallback.id = fallbackId; fallback.setAttribute("role", "alert"); fallback.style.position = "fixed"; fallback.style.inset = "0"; fallback.style.zIndex = "9999"; fallback.style.display = "flex"; fallback.style.alignItems = "center"; fallback.style.justifyContent = "center"; fallback.style.padding = "24px"; fallback.style.background = "rgba(17,24,39,0.92)"; fallback.style.backdropFilter = "blur(6px)"; fallback.innerHTML = '

' + '

Update required

' + '

Falcon Viewer needs a fresh reload

' + '

The website was updated while this page was open. Please refresh Chrome. If the page still does not load, use a hard refresh.

' + '' + '

'; host.appendChild(fallback); const reloadButton = document.getElementById("falcon-chunk-error-reload"); if (reloadButton) { reloadButton.addEventListener("click", () => window.location.reload()); } }; const recover = () => { if (recoveryStarted) { return; } recoveryStarted = true; try { if (window.sessionStorage.getItem(reloadFlag) === "1") { showFallback(); return; } window.sessionStorage.setItem(reloadFlag, "1"); } catch (error) { window.location.reload(); return; } window.location.reload(); }; window.addEventListener( "error", (event) => { const target = event.target; if ( target && target instanceof HTMLScriptElement && isChunkUrl(target.src || "") ) { recover(); return; } if (isChunkFailure(event.error) || isChunkFailure(event.message)) { recover(); } }, true, ); window.addEventListener("unhandledrejection", (event) => { if (isChunkFailure(event.reason)) { recover(); } }); window.addEventListener( "load", () => { try { window.sessionStorage.removeItem(reloadFlag); } catch (error) { // Ignore storage failures and keep the recovery behavior best-effort. } }, { once: true }, ); })();

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