export declare const TRACKER_COMPONENT_SOURCE = "import { useEffect } from 'react'\nimport { useRouter } from 'next/router'\nimport {\n  initTeleportAnalytics,\n  resetCommerceView,\n  trackCommerceEvent,\n  trackCommerceView,\n  trackRouteChange,\n  trackRouteLeave,\n} from '../../lib/teleport-analytics'\n\nconst AnalyticsTracker = () => {\n  const router = useRouter()\n\n  useEffect(() => {\n    initTeleportAnalytics()\n\n    // The commerce funnel is fired from WORKFLOWS (add-to-cart, checkout), whose\n    // handlers are serialized function bodies evaluated at runtime \u2014 they have no\n    // module scope and cannot import anything. A global is the only channel they\n    // can reach, so the tracker publishes one here.\n    //\n    // Callers guard with \"window.tpTrackCommerce && window.tpTrackCommerce(...)\",\n    // so a project with analytics disabled (where this component is never\n    // emitted) simply does nothing instead of throwing inside a checkout.\n    window.tpTrackCommerce = trackCommerceEvent\n\n    // A page declares its funnel step with a data attribute (see\n    // trackCommerceView). Deferred to the next frame because the marker element\n    // is part of the page that is still painting when this effect runs.\n    const reportCommerceView = () => {\n      window.requestAnimationFrame(() => trackCommerceView())\n    }\n    reportCommerceView()\n\n    const handleRouteChangeStart = (url) => trackRouteLeave(url)\n    const handleRouteChangeComplete = (url) => {\n      trackRouteChange(url)\n      // A client-side navigation is a new page load as far as the funnel is\n      // concerned, so the once-per-view guard has to be released first.\n      resetCommerceView()\n      reportCommerceView()\n    }\n\n    router.events.on('routeChangeStart', handleRouteChangeStart)\n    router.events.on('routeChangeComplete', handleRouteChangeComplete)\n\n    return () => {\n      router.events.off('routeChangeStart', handleRouteChangeStart)\n      router.events.off('routeChangeComplete', handleRouteChangeComplete)\n      // Left in place deliberately on unmount: this component lives in _app for\n      // the whole session, and removing the global during a fast-refresh remount\n      // would break any in-flight checkout handler holding a reference to it.\n    }\n    // eslint-disable-next-line react-hooks/exhaustive-deps\n  }, [])\n\n  return null\n}\n\nexport default AnalyticsTracker\n";
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