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Urls[url]=Date.now(),localStorage.setItem("prefetchedUrls",JSON.stringify(prefetchedUrls))}catch(e){console.warn("Failed to store prefetched URL in localStorage",e)}}cleanupPrefetchLinks(){try{const prefetchedUrls=JSON.parse(localStorage.getItem("prefetchedUrls")||"{}"),now=Date.now();let changed=!1;document.querySelectorAll('link[rel="prefetch"]').forEach(link=>{const url=link.href,timestamp=prefetchedUrls[url];(!timestamp||now-timestamp>this.config.prefetchTimeout)&&(link.remove(),delete prefetchedUrls[url],this.prefetched.delete(url),changed=!0)}),changed&&localStorage.setItem("prefetchedUrls",JSON.stringify(prefetchedUrls))}catch(e){console.warn("Failed to clean up prefetch links",e)}setTimeout(()=>this.cleanupPrefetchLinks(),36e5)}}class Prefetcher{static{__name(this,"Prefetcher")}constructor(config){this.config=config,this.queue=[],this.isProcessing=!1,this.lastPrefetchTime=0}prefetchUrl(url){this.queue.push(url),this.processQueue()}processQueue(){if(this.isProcessing)return;this.isProcessing=!0;const interval=setInterval(()=>{if(this.queue.length===0){clearInterval(interval),this.isProcessing=!1;return}const now=Date.now(),elapsed=now-this.lastPrefetchTime;this.queue.splice(0,Math.min(this.config.maxRPS,this.queue.length)).forEach(url=>{this.addPrefetchLink(url)}),this.lastPrefetchTime=now,this.queue.length===0&&(clearInterval(interval),this.isProcessing=!1)},1e3/this.config.maxRPS)}addPrefetchLink(url){if(document.querySelector(`link[rel="prefetch"][href="${url}"]`))return;const linkElement=document.createElement("link");linkElement.rel="prefetch",linkElement.href=url,linkElement.as="document",document.head.appendChild(linkElement),window.linkMonitor&&window.linkMonitor.markAsPrefetched(url)}}function init(){if(!shouldPrefetch()){console.log("Prefetching not supported or feasible on this device/connection.");return}const config=getConfig(),prefetcher=new Prefetcher(config),monitor=new LinkMonitor(config,url=>{prefetcher.prefetchUrl(url)});window.linkMonitor=monitor,monitor.startMonitoring();try{const prefetchedUrls=JSON.parse(localStorage.getItem("prefetchedUrls")||"{}");Object.keys(prefetchedUrls).forEach(url=>{monitor.prefetched.add(url)})}catch(e){console.warn("Failed to load prefetched URLs from localStorage",e)}}__name(init,"init");function eventHandler(){BV_PRELOAD_LINKS_EVENTS.forEach(eventType=>{document.removeEventListener(eventType,eventHandler)}),init()}__name(eventHandler,"eventHandler"),BV_PRELOAD_LINKS_EVENTS.forEach(eventType=>{document.addEventListener(eventType,eventHandler,{once:!0})});