(function () { if (window.chronoDiagnostics || !window.fetch || !window.performance) return; var MAX_SENDS = 24, MAX_RETRIES = 2, MAX_BYTES = 48 * 1024, PENDING_KEY = 'chrono-diagnostics-pending-v1'; var root = document.documentElement, started = Date.now(), startedAt = now(), runId = uuid(); var resources = [], errors = [], phases = [], observed = 0, droppedResources = 0, droppedErrors = 0, reportFailures = 0; var phase = 'head', state = 'starting', seq = 0, sends = 0, sending = false, activeReport = null; var reportQueue = [], dirty = false, dirtyTimer, periodicTimer, pendingLocked = false, pendingExpiryTimer; var seenTimingRefs = []; var originalFetch = window.fetch, originalApply = Function.prototype.apply; function now() { try { return window.performance.now(); } catch (_) { return Date.now() - started; } } function uuid() { try { if (window.crypto && window.crypto.randomUUID) return window.crypto.randomUUID(); } catch (_) {} var s = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'; return s.replace(/[xy]/g, function (c) { var r = Math.random() * 16 | 0; return (c === 'x' ? r : (r & 3 | 8)).toString(16); }); } function optedOut() { return navigator.doNotTrack === '1' || navigator.doNotTrack === 'yes' || window.doNotTrack === '1' || navigator.globalPrivacyControl === true || window.globalPrivacyControl === true; } function finite(value, max) { var n = Number(value); return isFinite(n) && n >= 0 ? Math.min(max, Math.round(n)) : 0; } function metric(value, max) { var n = Number(value); return typeof value === 'number' && isFinite(n) && n >= 0 ? Math.min(max, Math.round(n)) : null; } function delta(end, start) { if (typeof end !== 'number' || typeof start !== 'number' || !isFinite(end) || !isFinite(start) || end < 0 || start < 0) return null; return Math.min(86400000, Math.round(Math.max(0, end - start))); } function urlInfo(value) { try { var raw = String(value || ''), u = new URL(raw, window.location.href); if (u.origin !== window.location.origin) return null; var rawPath = raw.replace(/^[a-z][a-z0-9+.-]*:\/\/[^/]+/i, '').split(/[?#]/)[0]; if (/(?:^|\/)(?:\.|\.\.|%2e|\.%2e|%2e\.|%2e%2e)(?:\/|$)/i.test(rawPath)) return { asset: 'other', kind: 'other' }; var p = u.pathname; if (p === '/' || p === '/en' || p === '/en/') return { asset: '/', kind: 'html' }; if (/^\/(?:_next|next)\/static\/[A-Za-z0-9_./-]+\.(?:js|css|woff2?|ttf|otf)$/.test(p)) { var ext = p.slice(p.lastIndexOf('.') + 1).toLowerCase(); return { asset: p, kind: ext === 'css' ? 'css' : /^(?:woff2?|ttf|otf)$/.test(ext) ? 'font' : /(?:catalog|atlas-data|atlas-index)/i.test(p) ? 'catalog' : 'js' }; } if (p === '/atlas-details.json' || /^\/atlas-details\/(?:manifest-[a-f0-9]{8,64}|(?:works|relations|containers)-[a-f0-9]{20})\.json$/.test(p)) return { asset: p, kind: 'details' }; if (/^\/research-details\/facts-(?:[a-f0-9]{20}|en-[a-f0-9]{20}-[a-f0-9]{20})\.json$/.test(p)) return { asset: p, kind: 'details' }; if (/^\/book-covers\/[A-Za-z0-9_-]+\.(?:avif|webp|png|jpe?g)$/.test(p)) return { asset: p, kind: 'cover' }; if (/^\/covers\/[A-Za-z0-9_.-]+\.(?:avif|webp|png|jpe?g)$/.test(p)) return { asset: p, kind: 'cover' }; if (p === '/icon.png' || p === '/og.jpg') return { asset: p, kind: 'other' }; if (p === '/api/diagnostics' || p === '/api/analytics' || p.indexOf('/api/diagnostics/') === 0) return null; if (p.indexOf('/api/') === 0) { if (/^\/api\/auth\//.test(p)) return { asset: '/api/auth/*', kind: 'api' }; if (/^\/api\/admin\//.test(p)) return { asset: '/api/admin/*', kind: 'api' }; if (p === '/api/reading-status' || p === '/api/comments' || p === '/api/ratings' || p === '/api/feedback') return { asset: p, kind: 'api' }; return { asset: '/api/other', kind: 'api' }; } } catch (_) {} return { asset: 'other', kind: 'other' }; } function pageKind() { var p = String(window.location.pathname || '/').replace(/^\/en(?=\/|$)/, '') || '/'; if (p === '/') return 'home'; var m = /^\/(era|line|event|book|collection|series)(?:\/|$)/.exec(p); return m ? m[1] : 'other'; } function locale() { return document.documentElement.lang === 'en' || /^\/en(?:\/|$)/.test(window.location.pathname) ? 'en' : 'ru'; } function browserInfo() { var ua = String(navigator.userAgent || ''), name = 'other', major = 0, match; if ((match = /Edg\/(\d+)/.exec(ua))) { name = 'edge'; major = +match[1]; } else if ((match = /SamsungBrowser\/(\d+)/.exec(ua))) { name = 'samsung'; major = +match[1]; } else if ((match = /(?:Chrome|CriOS)\/(\d+)/.exec(ua))) { name = 'chrome'; major = +match[1]; } else if ((match = /(?:Firefox|FxiOS)\/(\d+)/.exec(ua))) { name = 'firefox'; major = +match[1]; } else if ((match = /Version\/(\d+).*Safari/.exec(ua))) { name = 'safari'; major = +match[1]; } return { browser: name, major: Math.max(0, Math.min(999, major || 0)) }; } function deviceKind() { var ua = String(navigator.userAgent || ''), platform = String(navigator.platform || ''); if (/iPad|Tablet|SM-T|Android(?!.*Mobile)/i.test(ua) || (/Mac/i.test(platform) && navigator.maxTouchPoints > 1)) return 'tablet'; if (/Mobi|iPhone|iPod|Android.*Mobile|Windows Phone/i.test(ua)) return 'mobile'; return 'desktop'; } function connectionKind() { var c = navigator.connection || navigator.mozConnection || navigator.webkitConnection || {}; var t = String(c.effectiveType || '').toLowerCase(); return /^(slow-2g|2g|3g|4g)$/.test(t) ? t : 'unknown'; } function env() { var b = browserInfo(); return { browser: b.browser, major: b.major, device: deviceKind(), online: navigator.onLine !== false, visibility: document.visibilityState === 'hidden' ? 'hidden' : 'visible', connection: connectionKind() }; } function phaseMark(value) { if (optedOut()) return; if (!/^(head|page-module|map-mounted|ready|failed)$/.test(value)) return; phase = value; if (phases.length < 12) phases.push({ phase: value, atMs: finite(now() - startedAt, 86400000) }); } function requestId(response) { try { var id = response.headers && response.headers.get('x-chrono-request-id'); if (id && /^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(id)) return id; var timing = response.headers && response.headers.get('server-timing') || ''; var m = /(?:^|,)\s*chrono\s*;\s*desc\s*=\s*"([0-9a-f-]{36})"/i.exec(timing); return m && /^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(m[1]) ? m[1] : null; } catch (_) { return null; } } function callerAborted(signal, error) { try { if (signal && signal.aborted) return true; } catch (_) {} return !!(error && error.name === 'AbortError'); } function protocol(entry) { var p = String(entry.nextHopProtocol || '').toLowerCase(); if (p.indexOf('h3') === 0) return 'h3'; if (p.indexOf('h2') === 0) return 'h2'; if (p.indexOf('http/1.1') === 0 || p.indexOf('http/1.0') === 0) return 'http/1.1'; return 'unknown'; } function outcomeStatus(status) { return status >= 400 ? 'http_error' : 'observed'; } function pushResource(item) { if (optedOut()) return null; if (resources.length >= 128) { var evict = -1; if (item._important) for (var i = 0; i < resources.length; i++) if (!resources[i]._important && resources[i].kind === 'cover' && resources[i].outcome === 'observed') { evict = i; break; } if (item._important && evict < 0) for (var j = 0; j < resources.length; j++) if (!resources[j]._important && resources[j].outcome === 'observed' && !/^(catalog|css|js)$/.test(resources[j].kind)) { evict = j; break; } if (item._important && evict < 0) for (var k = 0; k < resources.length; k++) if (!resources[k]._important && resources[k].outcome === 'observed') { evict = k; break; } if (evict < 0) { droppedResources = Math.min(100000, droppedResources + 1); return null; } resources.splice(evict, 1); droppedResources = Math.min(100000, droppedResources + 1); } resources.push(item); observed = Math.min(100000, observed + 1); markDirty(); return item; } function markDirty() { if (optedOut()) return; dirty = true; if (dirtyTimer) return; dirtyTimer = window.setTimeout(function () { dirtyTimer = null; if (dirty) { dirty = false; send('periodic'); } }, 1200); } function resourceKey(item) { return [item.asset, item.initiator, item._startAt || 0, item.durationMs, item.transferBytes, item.encodedBytes].join('|'); } function findByRequestId(id, asset) { if (!id) return -1; for (var i = resources.length - 1; i >= 0; i--) if (resources[i].requestId === id && resources[i].asset === asset) return i; return -1; } function mergeResource(index, item) { if (index < 0 || !resources[index]) return false; var target = resources[index]; for (var key in item) if (Object.prototype.hasOwnProperty.call(item, key) && item[key] !== null && item[key] !== undefined) target[key] = item[key]; if (item._important) target._important = true; markDirty(); return true; } function timingResource(entry) { var info = urlInfo(entry.name); if (!info) return; for (var ref = 0; ref < seenTimingRefs.length; ref++) if (seenTimingRefs[ref] === entry) return; var unfinishedNavigation = entry.initiatorType === 'navigation' && !(typeof entry.responseEnd === 'number' && entry.responseEnd > 0); var status = unfinishedNavigation ? null : metric(entry.responseStatus, 599); var duration = unfinishedNavigation ? null : metric(entry.duration, 86400000), dns = unfinishedNavigation ? null : delta(entry.domainLookupEnd, entry.domainLookupStart); var connect = unfinishedNavigation ? null : delta(entry.connectEnd, entry.connectStart); var secure = unfinishedNavigation ? null : typeof entry.secureConnectionStart === 'number' && entry.secureConnectionStart > 0 ? delta(entry.connectEnd, entry.secureConnectionStart) : null; var ttfb = unfinishedNavigation ? null : delta(entry.responseStart, entry.requestStart); var download = unfinishedNavigation ? null : delta(entry.responseEnd, entry.responseStart); var transfer = unfinishedNavigation ? null : metric(entry.transferSize, 1000000000), encoded = unfinishedNavigation ? null : metric(entry.encodedBodySize, 1000000000), decoded = unfinishedNavigation ? null : metric(entry.decodedBodySize, 1000000000); var cache = transfer === 0 && ((encoded !== null && encoded > 0) || (decoded !== null && decoded > 0)) ? 'cache' : transfer > 0 ? 'network' : 'unknown'; var id = null, st = entry.serverTiming || []; for (var i = 0; i < st.length; i++) if (st[i] && st[i].name === 'chrono' && /^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(String(st[i].description || ''))) { id = st[i].description; break; } var item = { asset: info.asset, kind: info.kind, initiator: /^(navigation|script|link|fetch|xmlhttprequest|img|css)$/.test(entry.initiatorType) ? entry.initiatorType : 'other', status: status, outcome: status === null ? 'observed' : outcomeStatus(status), durationMs: duration, dnsMs: dns, connectMs: connect, tlsMs: secure, ttfbMs: ttfb, downloadMs: download, transferBytes: transfer, encodedBytes: encoded, decodedBytes: decoded, requestId: id, protocol: protocol(entry), delivery: cache, _timing: true, _startAt: metric(entry.startTime, 86400000), _important: status !== null && status >= 400 }; if (entry.initiatorType === 'navigation') { for (var navIndex = 0; navIndex < resources.length; navIndex++) if (resources[navIndex].asset === '/' && resources[navIndex].initiator === 'navigation') { mergeResource(navIndex, item); seenTimingRefs.push(entry); return; } } var key = resourceKey(item), existing = findByRequestId(id, info.asset); if (existing < 0) for (var k = resources.length - 1; k >= 0; k--) if (resources[k]._timingKey === key) { existing = k; break; } if (existing < 0) { for (var f = resources.length - 1; f >= 0; f--) { var candidate = resources[f]; if (candidate._fetch && candidate.asset === info.asset && item._startAt !== null && candidate._startAt !== null && Math.abs(candidate._startAt - item._startAt) < 3000) { existing = f; break; } } } item._timingKey = key; if (existing >= 0) mergeResource(existing, item); else pushResource(item); seenTimingRefs.push(entry); if (seenTimingRefs.length > 512) seenTimingRefs.shift(); } function collectTimings(list) { for (var i = 0; i < list.length; i++) timingResource(list[i]); } function recordError(kind, value, name, line, column) { if (optedOut()) return; if (errors.length >= 16) { droppedErrors = Math.min(100000, droppedErrors + 1); return; } var info = urlInfo(value), safeName = /^(SyntaxError|TypeError|ReferenceError|RangeError|AbortError|Error)$/.test(name) ? name : 'unknown'; errors.push({ kind: kind, asset: info ? info.asset : 'other', name: safeName, line: finite(line, 1000000), column: finite(column, 1000000), atMs: finite(now() - startedAt, 86400000) }); markDirty(); } function resourceError(event) { var target = event && event.target, tag = target && String(target.tagName || '').toLowerCase(), src = tag === 'script' ? target.src : tag === 'link' ? target.href : tag === 'img' ? target.src : ''; if (src) { recordError('resource', src, 'unknown', 0, 0); var info = urlInfo(src), found = false; if (info) { for (var i = resources.length - 1; i >= 0; i--) if (resources[i].asset === info.asset) { resources[i].outcome = 'resource_error'; resources[i]._important = true; resources[i].transferBytes = null; resources[i].encodedBytes = null; resources[i].decodedBytes = null; found = true; markDirty(); break; } if (!found) pushResource({ asset: info.asset, kind: info.kind, initiator: tag === 'script' ? 'script' : tag === 'link' ? 'link' : 'img', status: null, outcome: 'resource_error', durationMs: null, dnsMs: null, connectMs: null, tlsMs: null, ttfbMs: null, downloadMs: null, transferBytes: null, encodedBytes: null, decodedBytes: null, requestId: null, protocol: 'unknown', delivery: 'unknown', _important: true }); } } else if (!target || target === window) recordError('runtime', event && event.filename, event && event.error && event.error.name, event && event.lineno, event && event.colno); } function rejected(event) { var reason = event && event.reason; recordError('promise', '', reason && reason.name, 0, 0); } function preloadError() { recordError('preload', '', 'unknown', 0, 0); } function publicResource(resource) { return { asset: resource.asset, kind: resource.kind, initiator: resource.initiator, status: resource.status, outcome: resource.outcome, durationMs: resource.durationMs, dnsMs: resource.dnsMs, connectMs: resource.connectMs, tlsMs: resource.tlsMs, ttfbMs: resource.ttfbMs, downloadMs: resource.downloadMs, transferBytes: resource.transferBytes, encodedBytes: resource.encodedBytes, decodedBytes: resource.decodedBytes, requestId: resource.requestId, protocol: resource.protocol, delivery: resource.delivery }; } function basePayload(reason) { var cleanResources = []; for (var i = 0; i < resources.length && cleanResources.length < 128; i++) cleanResources.push(publicResource(resources[i])); return { v: 1, runId: runId, seq: seq++, reason: reason, phase: phase, state: state, elapsedMs: finite(now() - startedAt, 86400000), page: pageKind(), locale: locale(), env: env(), phases: phases.slice(0, 12), resources: cleanResources, errors: errors.slice(0, 16), counters: { observed: observed, droppedResources: droppedResources, droppedErrors: droppedErrors, reportFailures: reportFailures } }; } function storage() { try { return window.sessionStorage; } catch (_) { return null; } } function enumIs(value, values) { for (var i = 0; i < values.length; i++) if (value === values[i]) return true; return false; } function safeAsset(value) { if (value === 'other' || value === '/api/auth/*' || value === '/api/admin/*' || value === '/api/other') return value; if (typeof value !== 'string' || value.charAt(0) !== '/' || value.indexOf('..') >= 0 || /[?#\\]/.test(value)) return null; var info = urlInfo(window.location.origin + value); return info && info.asset === value ? value : null; } function safeNumber(value, max, nullable) { if (value === null && nullable) return null; if (typeof value !== 'number' || !isFinite(value) || value < 0 || value > max) return undefined; return Math.round(value); } function sanitizeStoredPayload(input) { if (!input || typeof input !== 'object' || input.v !== 1 || !/^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(input.runId || '')) return null; if (typeof input.seq !== 'number' || input.seq < 0 || input.seq > 24 || Math.floor(input.seq) !== input.seq) return null; if (!enumIs(input.reason, ['start', 'ready', 'failed', 'pagehide', 'periodic', 'online', 'retry']) || !enumIs(input.phase, ['head', 'page-module', 'map-mounted', 'ready', 'failed']) || !enumIs(input.state, ['starting', 'waiting', 'failed', 'ready'])) return null; if (!enumIs(input.page, ['home', 'era', 'line', 'event', 'book', 'collection', 'series', 'other']) || !enumIs(input.locale, ['ru', 'en'])) return null; var elapsed = safeNumber(input.elapsedMs, 86400000, false), sourceEnv = input.env; if (elapsed === undefined || !sourceEnv || !enumIs(sourceEnv.browser, ['chrome', 'firefox', 'safari', 'edge', 'samsung', 'other']) || safeNumber(sourceEnv.major, 999, false) === undefined || !enumIs(sourceEnv.device, ['mobile', 'tablet', 'desktop']) || typeof sourceEnv.online !== 'boolean' || !enumIs(sourceEnv.visibility, ['visible', 'hidden']) || !enumIs(sourceEnv.connection, ['slow-2g', '2g', '3g', '4g', 'unknown'])) return null; if (!Array.isArray(input.phases) || input.phases.length > 12 || !Array.isArray(input.resources) || input.resources.length > 128 || !Array.isArray(input.errors) || input.errors.length > 16 || !input.counters) return null; var phasesClean = [], resourcesClean = [], errorsClean = [], i, x, num, asset; for (i = 0; i < input.phases.length; i++) { x = input.phases[i]; num = x && safeNumber(x.atMs, 86400000, false); if (!x || !enumIs(x.phase, ['head', 'page-module', 'map-mounted', 'ready', 'failed']) || num === undefined) return null; phasesClean.push({ phase: x.phase, atMs: num }); } for (i = 0; i < input.resources.length; i++) { x = input.resources[i]; asset = x && safeAsset(x.asset); if (!x || !asset || !enumIs(x.kind, ['html', 'css', 'js', 'catalog', 'details', 'cover', 'font', 'api', 'other']) || !enumIs(x.initiator, ['navigation', 'script', 'link', 'fetch', 'xmlhttprequest', 'img', 'css', 'other']) || !enumIs(x.outcome, ['observed', 'resource_error', 'http_error', 'fetch_rejected', 'aborted']) || !enumIs(x.protocol, ['h2', 'h3', 'http/1.1', 'unknown']) || !enumIs(x.delivery, ['cache', 'network', 'unknown'])) return null; var fields = ['status', 'durationMs', 'dnsMs', 'connectMs', 'tlsMs', 'ttfbMs', 'downloadMs', 'transferBytes', 'encodedBytes', 'decodedBytes']; var limits = [599, 86400000, 86400000, 86400000, 86400000, 86400000, 86400000, 1000000000, 1000000000, 1000000000], clean = {}, valid = true; for (var fi = 0; fi < fields.length; fi++) { num = safeNumber(x[fields[fi]], limits[fi], true); if (num === undefined) { valid = false; break; } clean[fields[fi]] = num; } if (!valid || (x.requestId !== null && (typeof x.requestId !== 'string' || !/^[0-9a-f]{8}-[0-9a-f]{4}-[1-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(x.requestId)))) return null; resourcesClean.push({ asset: asset, kind: x.kind, initiator: x.initiator, status: clean.status, outcome: x.outcome, durationMs: clean.durationMs, dnsMs: clean.dnsMs, connectMs: clean.connectMs, tlsMs: clean.tlsMs, ttfbMs: clean.ttfbMs, downloadMs: clean.downloadMs, transferBytes: clean.transferBytes, encodedBytes: clean.encodedBytes, decodedBytes: clean.decodedBytes, requestId: x.requestId, protocol: x.protocol, delivery: x.delivery }); } for (i = 0; i < input.errors.length; i++) { x = input.errors[i]; asset = x && safeAsset(x.asset); num = x && safeNumber(x.line, 1000000, false); var col = x && safeNumber(x.column, 1000000, false), at = x && safeNumber(x.atMs, 86400000, false); if (!x || !asset || !enumIs(x.kind, ['resource', 'runtime', 'promise', 'preload', 'stall']) || !enumIs(x.name, ['SyntaxError', 'TypeError', 'ReferenceError', 'RangeError', 'AbortError', 'Error', 'unknown']) || num === undefined || col === undefined || at === undefined) return null; errorsClean.push({ kind: x.kind, asset: asset, name: x.name, line: num, column: col, atMs: at }); } var observedCount = safeNumber(input.counters.observed, 100000, false), droppedR = safeNumber(input.counters.droppedResources, 100000, false); var droppedE = safeNumber(input.counters.droppedErrors, 100000, false), failures = safeNumber(input.counters.reportFailures, 100000, false); if (observedCount === undefined || droppedR === undefined || droppedE === undefined || failures === undefined) return null; return { v: 1, runId: input.runId, seq: input.seq, reason: input.reason, phase: input.phase, state: input.state, elapsedMs: elapsed, page: input.page, locale: input.locale, env: { browser: sourceEnv.browser, major: Math.round(sourceEnv.major), device: sourceEnv.device, online: sourceEnv.online, visibility: sourceEnv.visibility, connection: sourceEnv.connection }, phases: phasesClean, resources: resourcesClean, errors: errorsClean, counters: { observed: observedCount, droppedResources: droppedR, droppedErrors: droppedE, reportFailures: failures } }; } function trim(payload, maxBytes) { var raw = JSON.stringify(payload), idx; while (raw.length > maxBytes && payload.resources.length) { idx = -1; for (var i = 0; i < payload.resources.length; i++) if (payload.resources[i].outcome === 'observed') { idx = i; break; } if (idx < 0) break; payload.resources.splice(idx, 1); payload.counters.droppedResources++; raw = JSON.stringify(payload); } while (raw.length > maxBytes && payload.resources.length) { payload.resources.shift(); payload.counters.droppedResources++; raw = JSON.stringify(payload); } while (raw.length > maxBytes && payload.phases.length > 1) { payload.phases.shift(); raw = JSON.stringify(payload); } while (raw.length > maxBytes && payload.errors.length) { payload.errors.shift(); payload.counters.droppedErrors++; raw = JSON.stringify(payload); } return raw.length <= maxBytes ? raw : null; } function savePending(payload, retries) { if (optedOut() || pendingLocked) return; var s = storage(); if (!s) return; try { var sanitized = sanitizeStoredPayload(payload); if (!sanitized) return; var saved = { expires: Date.now() + 1800000, retries: Math.min(MAX_RETRIES, retries || 0), payload: sanitized }; var raw = trim(saved.payload, 24 * 1024); if (!raw) return; saved.payload = JSON.parse(raw); raw = JSON.stringify(saved); if (raw.length <= 24 * 1024) { s.setItem(PENDING_KEY, raw); schedulePendingExpiry(saved); } } catch (_) {} } function schedulePendingExpiry(saved) { if (pendingExpiryTimer) window.clearTimeout(pendingExpiryTimer); pendingExpiryTimer = window.setTimeout(function () { pendingExpiryTimer = null; var s = storage(); if (!s) return; try { var current = JSON.parse(s.getItem(PENDING_KEY) || 'null'); if (current && current.expires <= Date.now() && current.payload && current.payload.runId === saved.payload.runId && current.payload.seq === saved.payload.seq) { s.removeItem(PENDING_KEY); pendingLocked = false; } } catch (_) {} }, Math.max(1, saved.expires - Date.now())); } function clearPending(run, number) { var s = storage(); if (!s || pendingLocked) return; try { var x = JSON.parse(s.getItem(PENDING_KEY) || 'null'); if (x && x.payload && x.payload.runId === run && x.payload.seq === number) { s.removeItem(PENDING_KEY); if (pendingExpiryTimer) window.clearTimeout(pendingExpiryTimer); pendingExpiryTimer = null; } } catch (_) {} } function storedPending() { var s = storage(); if (!s) return null; try { var raw = s.getItem(PENDING_KEY); if (!raw) return null; var saved = JSON.parse(raw); if (!saved || typeof saved.expires !== 'number' || saved.expires <= Date.now() || typeof saved.retries !== 'number' || saved.retries < 0 || saved.retries > MAX_RETRIES || Math.floor(saved.retries) !== saved.retries) { s.removeItem(PENDING_KEY); return null; } var payload = sanitizeStoredPayload(saved.payload); if (!payload) { s.removeItem(PENDING_KEY); return null; } schedulePendingExpiry({ expires: saved.expires, payload: payload }); return { expires: saved.expires, retries: saved.retries, payload: payload }; } catch (_) { try { s.removeItem(PENDING_KEY); } catch (_) {} return null; } } function attemptSend(item) { if (optedOut() || sends >= MAX_SENDS) { sending = false; activeReport = null; return; } var body = trim(item.payload, MAX_BYTES); if (!body) { reportFailures++; item.payload.counters.reportFailures = reportFailures; savePending(item.payload, item.attempt); finishReport(item, false); return; } savePending(item.payload, item.attempt); sends++; sending = true; var controller = null, settled = false, deadline; try { if (window.AbortController) controller = new window.AbortController(); } catch (_) {} function failAttempt() { if (settled) return; settled = true; if (deadline) window.clearTimeout(deadline); try { if (controller) controller.abort(); } catch (_) {} reportFailures = Math.min(100000, reportFailures + 1); item.payload.counters.reportFailures = reportFailures; if (item.attempt < MAX_RETRIES && sends < MAX_SENDS && !optedOut()) { item.attempt++; savePending(item.payload, item.attempt); item.retryTimer = window.setTimeout(function () { item.retryTimer = null; attemptSend(item); }, item.attempt === 1 ? 1000 : 5000); } else { savePending(item.payload, item.attempt); pendingLocked = true; finishReport(item, false); } } deadline = window.setTimeout(failAttempt, 8000); var options = { method: 'POST', credentials: 'same-origin', headers: { 'content-type': 'application/json' }, body: body, keepalive: true }; if (controller) options.signal = controller.signal; var req; try { req = originalApply.call(originalFetch, window, ['/api/diagnostics', options]); } catch (_) { failAttempt(); return; } if (!req || typeof req.then !== 'function') { failAttempt(); return; } req.then(function (response) { if (settled) return; settled = true; if (deadline) window.clearTimeout(deadline); if (response && response.ok) { clearPending(item.payload.runId, item.payload.seq); finishReport(item, true); } else failAttemptAfterSettle(item); }, function () { failAttempt(); }); } function failAttemptAfterSettle(item) { reportFailures = Math.min(100000, reportFailures + 1); item.payload.counters.reportFailures = reportFailures; if (item.attempt < MAX_RETRIES && sends < MAX_SENDS && !optedOut()) { item.attempt++; savePending(item.payload, item.attempt); item.retryTimer = window.setTimeout(function () { item.retryTimer = null; attemptSend(item); }, item.attempt === 1 ? 1000 : 5000); } else { savePending(item.payload, item.attempt); pendingLocked = true; finishReport(item, false); } } function finishReport(item, success) { if (activeReport !== item) return; item.success = success; activeReport = null; sending = false; beginNextReport(); } function beginNextReport() { if (sending || activeReport || !reportQueue.length || optedOut() || sends >= MAX_SENDS) return; activeReport = reportQueue.shift(); sending = true; attemptSend(activeReport); } function queueSnapshot(reason, payload, attempt) { if (optedOut() || sends >= MAX_SENDS) return; if (reason === 'periodic' || reason === 'online') { for (var pendingIndex = reportQueue.length - 1; pendingIndex >= 0; pendingIndex--) if (reportQueue[pendingIndex].payload.reason === reason) { reportQueue[pendingIndex] = { payload: payload, attempt: 0, retryTimer: null }; return; } } if (reportQueue.length >= 24) { var removable = -1; for (var i = 0; i < reportQueue.length; i++) if (reportQueue[i].payload.reason === 'periodic' || reportQueue[i].payload.reason === 'online') { removable = i; break; } if (removable >= 0) reportQueue.splice(removable, 1); else return; } reportQueue.push({ payload: payload, attempt: attempt || 0, retryTimer: null }); beginNextReport(); } function send(reason) { if (optedOut() || seq >= 25 || sends >= MAX_SENDS) return; dirty = false; if (dirtyTimer) { window.clearTimeout(dirtyTimer); dirtyTimer = null; } queueSnapshot(reason, basePayload(reason)); } function notePhase(value) { if (state === 'ready' || state === 'failed') return; phaseMark(value); } function markReady() { if (state === 'ready') return; state = 'ready'; phaseMark('ready'); send('ready'); } function markFailed() { if (state === 'ready' || state === 'failed') return; state = 'failed'; phaseMark('failed'); send('failed'); } function wrappedFetch() { if (optedOut()) return originalApply.call(originalFetch, this, arguments); var args = arguments, input = args[0], value = null, init = args[1] || {}; try { value = typeof input === 'string' ? input : input && input.url ? input.url : String(input || ''); } catch (_) { return originalApply.call(originalFetch, this, args); } var info = urlInfo(value); var callerSignal = null; try { callerSignal = init.signal || input && input.signal || null; } catch (_) {} var itemRef = null, began = now(); if (info && !(info.asset === '/api/other' && /diagnostics|analytics/.test(String(value)))) { var fetchItem = { asset: info.asset, kind: info.kind, initiator: 'fetch', status: null, outcome: 'observed', durationMs: null, dnsMs: null, connectMs: null, tlsMs: null, ttfbMs: null, downloadMs: null, transferBytes: null, encodedBytes: null, decodedBytes: null, requestId: null, protocol: 'unknown', delivery: 'unknown', _fetch: true, _startAt: finite(now(), 86400000), _callerSignal: callerSignal }; itemRef = pushResource(fetchItem); } var result; try { result = originalApply.call(originalFetch, this, args); } catch (error) { try { finishFetch(itemRef, began, null, error, info, callerSignal); } catch (_) {} throw error; } if (result && typeof result.then === 'function') return result.then(function (response) { try { finishFetch(itemRef, began, response, null, info, callerSignal); } catch (_) {} return response; }, function (error) { try { finishFetch(itemRef, began, null, error, info, callerSignal); } catch (_) {} throw error; }); return result; } function finishFetch(item, began, response, error, info, callerSignal) { var present = false; if (item) for (var i = 0; i < resources.length; i++) if (resources[i] === item) { present = true; break; } if (!present) item = null; if (!item && info && (error || response && metric(response.status, 599) >= 400)) item = pushResource({ asset: info.asset, kind: info.kind, initiator: 'fetch', status: error ? null : metric(response.status, 599), outcome: error ? (callerAborted(callerSignal, error) ? 'aborted' : 'fetch_rejected') : 'http_error', durationMs: finite(now() - began, 86400000), dnsMs: null, connectMs: null, tlsMs: null, ttfbMs: null, downloadMs: null, transferBytes: null, encodedBytes: null, decodedBytes: null, requestId: response ? requestId(response) : null, protocol: 'unknown', delivery: 'unknown', _important: true }); if (!item) return; item.durationMs = finite(now() - began, 86400000); if (error) { item.outcome = callerAborted(callerSignal || item._callerSignal, error) ? 'aborted' : 'fetch_rejected'; item.status = null; item._important = true; } else if (response) { item.status = metric(response.status, 599); item.outcome = item.status === null ? 'observed' : outcomeStatus(item.status); item.requestId = requestId(response); if (item.status !== null && item.status >= 400) item._important = true; } markDirty(); } window.chronoDiagnostics = { runId: runId, phase: notePhase, ready: markReady, failed: markFailed, flush: function () { send('periodic'); } }; if (optedOut()) return; window.fetch = wrappedFetch; phaseMark('head'); try { collectTimings(window.performance.getEntriesByType('resource')); } catch (_) {} function collectNavigationTiming() { try { var nav = window.performance.getEntriesByType('navigation'); if (nav && nav.length) { var n = nav[0]; timingResource({ name: '/', initiatorType: 'navigation', responseStatus: n.responseStatus, duration: n.duration, domainLookupEnd: n.domainLookupEnd, domainLookupStart: n.domainLookupStart, connectEnd: n.connectEnd, connectStart: n.connectStart, secureConnectionStart: n.secureConnectionStart, responseStart: n.responseStart, requestStart: n.requestStart, responseEnd: n.responseEnd, transferSize: n.transferSize, encodedBodySize: n.encodedBodySize, decodedBodySize: n.decodedBodySize, serverTiming: n.serverTiming, nextHopProtocol: n.nextHopProtocol, startTime: n.startTime }); } } catch (_) {} } collectNavigationTiming(); try { if (window.PerformanceObserver) { var observer = new window.PerformanceObserver(function (list) { collectTimings(list.getEntries()); }); observer.observe({ type: 'resource', buffered: true }); } } catch (_) {} window.addEventListener('error', resourceError, true); window.addEventListener('unhandledrejection', rejected); window.addEventListener('vite:preloadError', preloadError); window.addEventListener('chrono:map-module', function () { notePhase('page-module'); }); window.addEventListener('chrono:map-mounted', function () { notePhase('map-mounted'); }); window.addEventListener('chrono:map-ready', markReady); window.addEventListener('online', function () { send('online'); }); window.addEventListener('pagehide', function () { send('pagehide'); }); window.addEventListener('load', collectNavigationTiming); if (document.addEventListener) document.addEventListener('DOMContentLoaded', function () { var mapRoot = false; try { mapRoot = !!document.querySelector('[data-chrono-map-root]'); } catch (_) {} if (!mapRoot) markReady(); }); try { if (window.MutationObserver) { var stateObserver = new window.MutationObserver(function () { if (root.getAttribute('data-chrono-startup') === 'failed') markFailed(); else if (root.getAttribute('data-chrono-startup') === 'waiting' && state === 'starting') { state = 'waiting'; send('periodic'); } }); stateObserver.observe(root, { attributes: true, attributeFilter: ['data-chrono-startup'] }); } } catch (_) {} var pending = storedPending(); if (pending) { if (pending.retries < MAX_RETRIES) { pending.payload.reason = 'retry'; queueSnapshot('retry', pending.payload, pending.retries); } else pendingLocked = true; } send('start'); periodicTimer = window.setInterval(function () { if (dirty) send('periodic'); }, 60000); }());

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