(() => { const RECOVERY_ID = "recall-early-recovery"; const IS_ENGLISH = location.hostname === "eng.hahunov.io" || location.hostname === "eng.localhost" || location.pathname === "/eng" || location.pathname.startsWith("/eng/"); const BRAND = IS_ENGLISH ? "English Coach" : "Recall"; const ROUTE_KEYS = ["recall.route", "recall.dark", "recall.density"]; function hasVisibleContent() { const text = document.body?.innerText?.trim() || ""; return text.length > 20; } function showRecovery(reason) { if (!document.body || document.getElementById(RECOVERY_ID) || hasVisibleContent()) return; const detail = reason ? String(reason).slice(0, 180) : "The app could not finish loading."; document.body.innerHTML = [ '

', '

', '

' + BRAND + '

', '

' + BRAND + ' could not finish loading

', '

This browser may still be holding an older app bundle or saved view state.

', '

' + detail.replace(/[<>&"]/g, "") + '

', '

', ' ', ' ', '

', '

', '

' ].join(""); } function maybeShowFromError(event) { const target = event?.target; const source = target && target !== window ? target.tagName : ""; const sourceUrl = target?.src || target?.href || ""; const message = event?.message || sourceUrl || "Browser resource failed to load."; const looksLikeBundleIssue = source === "SCRIPT" || source === "LINK" || /ChunkLoadError|Loading chunk|_next\/static|CSS_CHUNK_LOAD_FAILED/i.test(message); if (looksLikeBundleIssue) window.setTimeout(() => showRecovery(message), 250); } window.addEventListener("error", maybeShowFromError, true); window.addEventListener("unhandledrejection", (event) => { const message = event?.reason?.message || event?.reason || "Unexpected startup error."; if (/ChunkLoadError|Loading chunk|_next\/static|CSS_CHUNK_LOAD_FAILED/i.test(String(message))) { window.setTimeout(() => showRecovery(message), 250); } }); window.addEventListener("click", (event) => { const button = event.target?.closest?.("[data-recall-action]"); if (!button) return; if (button.getAttribute("data-recall-action") === "reset") { try { const keys = IS_ENGLISH ? Object.keys(localStorage).filter((key) => key.startsWith("eng.")) : ROUTE_KEYS; keys.forEach((key) => localStorage.removeItem(key)); } catch {} } window.location.replace("/"); }); window.addEventListener("load", () => { window.setTimeout(() => showRecovery("The page stayed blank after startup."), 5000); }, { once: true }); })();