{
  "version": 3,
  "sources": ["../../renderer/src/observability/analytics.js", "../../renderer/src/observability/analytics-entry.js"],
  "sourcesContent": ["const STORAGE_KEY = 'ss_anon_session_id';\n\n/** The anonymous per-tab id every reader signal shares \u2014 analytics and reactions (PCB-34). */\nexport function getOrCreateSessionId() {\n  try {\n    let id = sessionStorage.getItem(STORAGE_KEY);\n    if (!id) {\n      id = crypto.randomUUID();\n      sessionStorage.setItem(STORAGE_KEY, id);\n    }\n    return id;\n  } catch {\n    return `ss-${Date.now()}`;\n  }\n}\n\nfunction getCsrfToken() {\n  const m = document.cookie.match(/csrftoken=([^;]+)/);\n  return m ? decodeURIComponent(m[1].trim()) : '';\n}\n\n/** Do Not Track, or Global Privacy Control. */\nexport function doNotTrackEnabled() {\n  try {\n    const n = typeof navigator !== 'undefined' ? navigator : null;\n    if (!n) return false;\n    if (n.globalPrivacyControl === true) return true;\n    const dnt = n.doNotTrack || (typeof window !== 'undefined' ? window.doNotTrack : null) || n.msDoNotTrack;\n    return dnt === '1' || dnt === 'yes';\n  } catch {\n    return false;\n  }\n}\n\n/** Only the referring host leaves the browser, and never our own. */\nexport function referrerHostFor(referrer, ownHost) {\n  if (!referrer) return '';\n  try {\n    const h = new URL(referrer).hostname || '';\n    return h && h !== ownHost ? h : '';\n  } catch {\n    return '';\n  }\n}\n\n/**\n * @param {{\n *   analyticsEndpoint?: string,\n *   analyticsEnabled?: boolean,\n *   pageType?: string,\n *   storyId?: string,\n *   trackClicks?: boolean,\n *   crossOrigin?: boolean,\n *   coverVariant?: string,\n * }} config\n *   `trackClicks` / `crossOrigin`: PCB-25's component never reports the host page's clicks,\n *   and posts cross-origin as a simple request (no preflight, no CORS).\n *   `coverVariant` is `?c=` as the server read it (PCB-29); it rides on the page view only.\n */\nexport function initAnalytics(config) {\n  const endpoint = (config && config.analyticsEndpoint) || '/api/analytics/events/';\n  const enabled = !config || config.analyticsEnabled !== false;\n  const sessionId = getOrCreateSessionId();\n  const queue = [];\n  let flushTimer = null;\n  const storyId = (config && config.storyId) || '';\n  const pageType = (config && config.pageType) || 'app';\n  const trackClicks = !config || config.trackClicks !== false;\n  const crossOrigin = !!(config && config.crossOrigin);\n  const coverVariant = config && (config.coverVariant === 'a' || config.coverVariant === 'b') ? config.coverVariant : '';\n  const dnt = doNotTrackEnabled();\n  const openedAt = Date.now();\n\n  function flush() {\n    if (!queue.length) return;\n    const batch = { session_id: sessionId, events: queue.splice(0, queue.length) };\n    if (crossOrigin) {\n      /* `text/plain` and no custom header keep this a simple request \u2014 no preflight. */\n      fetch(endpoint, {\n        method: 'POST',\n        mode: 'no-cors',\n        headers: { 'Content-Type': 'text/plain;charset=UTF-8' },\n        credentials: 'omit',\n        body: JSON.stringify(batch),\n        keepalive: true,\n      }).catch(() => {});\n      return;\n    }\n    const headers = { 'Content-Type': 'application/json' };\n    const t = getCsrfToken();\n    if (t) headers['X-CSRFToken'] = t;\n\n    fetch(endpoint, {\n      method: 'POST',\n      headers,\n      credentials: 'same-origin',\n      body: JSON.stringify(batch),\n      keepalive: true,\n    }).catch(() => {});\n  }\n\n  function scheduleFlush() {\n    if (flushTimer) clearTimeout(flushTimer);\n    flushTimer = setTimeout(flush, 4000);\n  }\n\n  function track(eventType, extra = {}) {\n    if (!enabled) return;\n    /* DNT drops their path through the story; the page open has no per-reader dimension. */\n    if (dnt && (eventType === 'scroll_depth' || eventType === 'session_end')) return;\n    const sid = extra.storyId || storyId || null;\n    queue.push({\n      event_type: eventType,\n      path: window.location.pathname,\n      story_id: sid,\n      metadata: {\n        ...(extra.metadata || {}),\n        page_type: pageType,\n      },\n    });\n    if (queue.length >= 12) flush();\n    else scheduleFlush();\n  }\n\n  function trackEvent(eventType, opts = {}) {\n    track(eventType, opts);\n  }\n\n  const referrer = referrerHostFor(\n    typeof document !== 'undefined' ? document.referrer : '',\n    typeof window !== 'undefined' ? window.location.hostname : ''\n  );\n\n  track('page_view', {\n    metadata: {\n      ...(referrer ? { referrer } : {}),\n      ...(storyId && coverVariant ? { cover_variant: coverVariant } : {}),\n    },\n  });\n\n  if (storyId) {\n    track('story_start', { storyId, metadata: referrer ? { referrer } : {} });\n  }\n\n  /* On a story page the renderer owns depth, in scrollports; elsewhere, document-scroll pct. */\n  let onScroll = null;\n  if (!storyId) {\n    const milestones = [25, 50, 75, 100];\n    const hit = new Set();\n    let maxPct = 0;\n    onScroll = () => {\n      const doc = document.documentElement;\n      const scrollable = doc.scrollHeight - window.innerHeight;\n      const pct = scrollable <= 0 ? 100 : Math.round((window.scrollY / scrollable) * 100);\n      if (pct > maxPct) maxPct = pct;\n      for (const m of milestones) {\n        if (maxPct >= m && !hit.has(m)) {\n          hit.add(m);\n          track('scroll_depth', { metadata: { depth_pct: m } });\n        }\n      }\n    };\n    window.addEventListener('scroll', onScroll, { passive: true });\n  }\n\n  const onClick = !trackClicks\n    ? null\n    : (e) => {\n        const t = e.target && e.target.closest ? e.target.closest('a,button') : null;\n        if (t) {\n          track('click', { metadata: { tag: t.tagName, id: t.id || '' } });\n        }\n      };\n  if (onClick) document.addEventListener('click', onClick, true);\n\n  /* `pagehide` is the unload signal mobile browsers reliably fire, and `keepalive` on the flush\n     lets the request outlive the page; `ended` guards the pair, since a desktop fires both. */\n  let ended = false;\n  function endSession() {\n    if (!ended) {\n      ended = true;\n      track('session_end', { metadata: { dwell_ms: Math.max(0, Date.now() - openedAt) } });\n    }\n    flush();\n  }\n  window.addEventListener('pagehide', endSession);\n  window.addEventListener('beforeunload', endSession);\n\n  /** Detach without reporting a session end. */\n  function destroy() {\n    if (flushTimer) clearTimeout(flushTimer);\n    if (onScroll) window.removeEventListener('scroll', onScroll);\n    if (onClick) document.removeEventListener('click', onClick, true);\n    window.removeEventListener('pagehide', endSession);\n    window.removeEventListener('beforeunload', endSession);\n    ended = true;\n  }\n\n  return { trackEvent, flush, destroy };\n}\n", "/** PCB-03 reader counters, with no OTel SDK. Same `window.ScrollingStoriesObservability` as `index.js`. */\nimport { initAnalytics } from './analytics.js';\n\nconst pending = [];\n\nfunction queueEvent(eventType, opts) {\n  if (pending.length < 50) pending.push([eventType, opts]);\n}\n\nfunction init(config) {\n  const { trackEvent, flush, destroy } = initAnalytics(config);\n  window.ScrollingStoriesObservability = { init, trackEvent, flush, destroy };\n  while (pending.length) {\n    const [eventType, opts] = pending.shift();\n    trackEvent(eventType, opts);\n  }\n}\n\nwindow.ScrollingStoriesObservability = { init, trackEvent: queueEvent };\n"],
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  "names": ["STORAGE_KEY", "getOrCreateSessionId", "id", "getCsrfToken", "m", "doNotTrackEnabled", "n", "dnt", "referrerHostFor", "referrer", "ownHost", "h", "initAnalytics", "config", "endpoint", "enabled", "sessionId", "queue", "flushTimer", "storyId", "pageType", "trackClicks", "crossOrigin", "coverVariant", "openedAt", "flush", "batch", "headers", "t", "scheduleFlush", "track", "eventType", "extra", "sid", "trackEvent", "opts", "onScroll", "milestones", "hit", "maxPct", "scrollable", "pct", "onClick", "ended", "endSession", "destroy", "pending", "queueEvent", "eventType", "opts", "init", "config", "trackEvent", "flush", "destroy", "initAnalytics"]
}