(function(config){ if (!config || !config.collectorPath) return; if (config.respectDnt && (navigator.doNotTrack === "1" || window.doNotTrack === "1")) return; var consentKey = "core_consent_" + config.domainId; var optoutKey = "core_optout_" + config.domainId; var consent = ""; try { consent = localStorage.getItem(consentKey) || ""; if (localStorage.getItem(optoutKey) === "1") return; } catch (_) {} if (config.consentMode === "explicit" && consent !== "accepted") return; (function(){ var SDK_VERSION="1.0.0"; var SCHEMA_VERSION=1; var DEFAULT_API_BASE=""; var FLUSH_INTERVAL_MS=5000; var CONFIG_REFRESH_SKEW_MS=60000; var MAX_QUEUE_EVENTS=100; var MAX_RETRY_MS=60000; var script=document.currentScript; var acquisitionKeys=["utm_source","utm_medium","utm_campaign","utm_content","utm_term","yclid","gclid","gbraid","wbraid","fbclid","vk_click_id"]; function uuid(){ if(window.crypto&&window.crypto.randomUUID) return window.crypto.randomUUID(); return "10000000-1000-4000-8000-100000000000".replace(/[018]/g,function(c){ return (Number(c)^window.crypto.getRandomValues(new Uint8Array(1))[0]&15>>Number(c)/4).toString(16); }); } function validUuid(value){ return typeof value==="string"&&/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(value)?value.toLowerCase():""; } function trimmed(value,max){ var normalized=typeof value==="string"?value.trim():""; return normalized?normalized.slice(0,max||512):""; } function storage(kind){ try{return window[kind];}catch(_){return null;} } function storageGet(target,key){ try{return target?target.getItem(key):null;}catch(_){return null;} } function storageSet(target,key,value){ try{if(target)target.setItem(key,value);}catch(_){} } function storageRemove(target,key){ try{if(target)target.removeItem(key);}catch(_){} } function stored(target,key,ttl,propagated){ var now=Date.now(),value=null; try{value=JSON.parse(storageGet(target,key)||"null");}catch(_){} if(validUuid(propagated)) value={id:validUuid(propagated)}; else if(!value||!validUuid(value.id)||value.expires_at<=now)value={id:uuid()}; value.expires_at=now+ttl; value.touched_at=now; value.version=1; storageSet(target,key,JSON.stringify(value)); return value.id; } function safeUrl(value,includeQuery){ try{ var source=new URL(value,location.origin),safe=new URL(source.origin+source.pathname); if(source.protocol!=="http:"&&source.protocol!=="https:")return null; if(includeQuery)acquisitionKeys.forEach(function(key){ var entry=trimmed(source.searchParams.get(key),512); if(entry)safe.searchParams.set(key,entry); }); return safe.toString(); }catch(_){return null;} } function touch(){ var current=new URL(location.href),result={ captured_at:new Date().toISOString(), landing_url:safeUrl(location.href,true)||location.origin+location.pathname, referrer:safeUrl(document.referrer,false) }; acquisitionKeys.forEach(function(key){ var value=trimmed(current.searchParams.get(key),512); if(value)result[key]=value; }); ["article_id","placement_id","tracking_code"].forEach(function(key){ var value=trimmed(current.searchParams.get(key),160); if(value)result[key==="tracking_code"?"tracking_link_code":key]=value; }); return result; } function attribution(namespace,nextTouch,visitorId){ var local=storage("localStorage"),key="core_tracking_attribution_v1:"+namespace,current=null; try{current=JSON.parse(storageGet(local,key)||"null");}catch(_){} if(!current||current.visitor_id!==visitorId)current=null; var externalReferrer=false; try{externalReferrer=Boolean(nextTouch.referrer)&&new URL(nextTouch.referrer).origin!==location.origin;}catch(_){} var hasSignal=acquisitionKeys.some(function(key){return Boolean(nextTouch[key]);})|| Boolean(nextTouch.article_id||nextTouch.placement_id||nextTouch.tracking_link_code||externalReferrer); var next={ version:1, visitor_id:visitorId, first_touch:current&¤t.first_touch||nextTouch, last_touch:!current||hasSignal?nextTouch:current.last_touch }; storageSet(local,key,JSON.stringify(next)); return next; } function namespace(value){ return (trimmed(value,80)||"platform").replace(/[^a-zA-Z0-9_-]/g,"_"); } function propagatedIds(){ var search=new URL(location.href).searchParams,fragment=new URLSearchParams(location.hash.slice(1)); var ids={visitor:search.get("core_vid")||fragment.get("core_vid"),session:search.get("core_sid")||fragment.get("core_sid")}; if(fragment.has("core_vid")||fragment.has("core_sid")){ fragment.delete("core_vid");fragment.delete("core_sid"); var cleanHash=fragment.toString(); history.replaceState(history.state,"",location.pathname+location.search+(cleanHash?"#"+cleanHash:"")); } return ids; } function consentAllowed(scope,mode){ var local=storage("localStorage"); if(mode==="disabled"||storageGet(local,"core_optout_"+scope)==="1")return false; return mode!=="explicit"||storageGet(local,"core_consent_"+scope)==="accepted"; } function captureContext(scope,mode,core,renewPageView){ scope=namespace(scope); if(!consentAllowed(scope,mode))return null; var ids=propagatedIds(); var visitorId=stored(storage("localStorage"),"core_tracking_visitor_v1:"+scope,5184000000,ids.visitor); var acquired=attribution(scope,touch(),visitorId); var href=location.origin+location.pathname+location.search; var pageView=!renewPageView&&core.pageViews[href]; if(!pageView)pageView=core.pageViews[href]=uuid(); var pageKeys=Object.keys(core.pageViews);if(pageKeys.length>100)delete core.pageViews[pageKeys[0]]; var context={ visitor_id:visitorId, session_id:stored(storage("sessionStorage"),"core_tracking_session_v1:"+scope,1800000,ids.session), page_view_id:pageView, first_touch:acquired.first_touch, last_touch:acquired.last_touch }; core.contexts[scope]=context; core.context=context; return context; } function clearContext(core,scope){ scope=namespace(scope); storageRemove(storage("localStorage"),"core_tracking_visitor_v1:"+scope); storageRemove(storage("localStorage"),"core_tracking_attribution_v1:"+scope); storageRemove(storage("sessionStorage"),"core_tracking_session_v1:"+scope); delete core.contexts[scope]; core.context=null; Object.keys(core.contexts).some(function(key){core.context=core.contexts[key];return true;}); } function forbiddenProperty(key){ key=String(key||"").toLowerCase(); return ["email","phone","full_name","first_name","last_name","address","password","secret","token","cookie","authorization","user_agent","client_ip"].some(function(value){ return key===value||key.slice(-(value.length+1))==="_"+value; }); } function safePropertyValue(value,depth){ if(depth>3)return undefined; if(value===null||typeof value==="boolean"||typeof value==="number")return value; if(typeof value==="string")return trimmed(value,512)||""; if(Array.isArray(value))return value.slice(0,20).map(function(entry){return safePropertyValue(entry,depth+1);}).filter(function(entry){return entry!==undefined;}); if(value&&typeof value==="object"){ var result={},count=0; Object.keys(value).some(function(key){ if(count>=32)return true; if(forbiddenProperty(key))return false; var safeKey=trimmed(key,80),safe=safePropertyValue(value[key],depth+1); if(safeKey&&safe!==undefined){result[safeKey]=safe;count+=1;} return false; }); return result; } return undefined; } function eventType(value){ var normalized=trimmed(value,80).toLowerCase(); var allowed=["page_view","cta_click","outbound_link_click","menu_link_click","contact_click","form_view","form_start","form_started","form_validation_error","form_abandoned","form_submit","form_submitted","consent_update","visibility_change","scroll_depth_reached","heartbeat","session_end","content_section_viewed","article_reading_heartbeat","article_read_depth_reached"]; if(allowed.indexOf(normalized)>=0)return normalized; normalized=normalized.replace(/^custom[.]/,"").replace(/[^a-z0-9_.-]+/g,"_").replace(/^[_.-]+|[_.-]+$/g,"").slice(0,64); return normalized?"custom."+normalized:""; } function contextScope(core,context,explicit){ if(explicit)return namespace(explicit); var matched=""; Object.keys(core.contexts).some(function(scope){ if(core.contexts[scope]===context){matched=scope;return true;} return false; }); return matched||core.activeScope||"platform"; } function sampled(inst,type){ if(!inst)return true; if(["form_submit","form_submitted","consent_update","session_end"].indexOf(type)>=0)return true; return inst.sampled!==false; } function queueKey(scope){return "core_tracking_queue_v1:"+scope;} function persistQueue(core,scope){ var inst=core.installations[scope]; if(!inst||!consentAllowed(scope,inst.consentMode)){storageRemove(storage("localStorage"),queueKey(scope));return;} var events=core.pendingEvents.filter(function(event){return event.scope===scope;}).slice(-MAX_QUEUE_EVENTS); storageSet(storage("localStorage"),queueKey(scope),JSON.stringify({version:1,events:events})); } function restoreQueue(core,scope){ var raw=storageGet(storage("localStorage"),queueKey(scope)),parsed=null,cutoff=Date.now()-82800000; try{parsed=JSON.parse(raw||"null");}catch(_){} if(!parsed||parsed.version!==1||!Array.isArray(parsed.events))return; parsed.events.slice(-MAX_QUEUE_EVENTS).forEach(function(event){ var occurred=Date.parse(event&&event.occurred_at||""); if(validUuid(event&&event.event_id)&&validUuid(event&&event.visitor_id)&&validUuid(event&&event.session_id)&&validUuid(event&&event.page_view_id)&&occurred>=cutoff){ event.scope=scope;core.pendingEvents.push(event); } }); } function acquisitionProperties(context){ var result={},touch=context&&context.last_touch||{}; acquisitionKeys.forEach(function(key){if(touch[key])result[key]=touch[key];}); if(touch.article_id)result.content_post_id=touch.article_id; if(touch.placement_id)result.content_placement_id=touch.placement_id; if(touch.tracking_link_code)result.tracking_link_id=touch.tracking_link_code; return result; } function updateSummary(core,type,properties){ var summary=core.summary; if(type==="page_view")summary.page_views+=1; if(type==="cta_click"||type==="outbound_link_click"||type==="menu_link_click"||type==="contact_click")summary.click_events+=1; if(type==="scroll_depth_reached"){ summary.scroll_events+=1; summary.max_scroll_depth=Math.max(summary.max_scroll_depth,Number(properties.percent||properties.depth||0)); } if(type==="heartbeat")summary.heartbeat_events+=1; } function emit(core,eventName,properties,context,explicitScope){ context=context||core.context; if(!context)return null; var scope=contextScope(core,context,explicitScope),inst=core.installations[scope],type=eventType(eventName); if(!type||!sampled(inst,type)||inst&&(!inst.ready||!consentAllowed(scope,inst.consentMode)))return null; var safeProperties=safePropertyValue(properties&&typeof properties==="object"?properties:{},0)||{}; var event={ event_id:uuid(), type:type, occurred_at:new Date().toISOString(), page_path:location.pathname, page_view_id:context.page_view_id, session_id:context.session_id, visitor_id:context.visitor_id, properties:safeProperties, scope:scope }; core.pendingEvents.push(event); if(core.pendingEvents.length>MAX_QUEUE_EVENTS)core.pendingEvents.splice(0,core.pendingEvents.length-MAX_QUEUE_EVENTS); updateSummary(core,type,safeProperties); persistQueue(core,scope); if(inst){ var queued=core.pendingEvents.filter(function(entry){return entry.scope===scope;}).length; if(queued>=Math.min(10,inst.maxEvents))flush(core,scope,false);else scheduleFlush(core,scope,FLUSH_INTERVAL_MS); } try{window.dispatchEvent(new CustomEvent("evalife:track",{detail:event}));}catch(_){} return event; } function page(core,details,context,scope){ context=context||core.context; if(!context)return null; var key=context.page_view_id; if(core.emittedPageViews[key])return null; core.emittedPageViews[key]=true; var properties=acquisitionProperties(context),input=details||{}; Object.keys(input).forEach(function(name){properties[name]=input[name];}); return emit(core,"page_view",properties,context,scope); } function configEndpoint(inst){ var explicit=trimmed(inst.options.configUrl||inst.options.config_url,4096); if(explicit)return explicit.replace("{site_key}",encodeURIComponent(inst.siteKey)); var base=trimmed(inst.options.apiBaseUrl||inst.options.api_base_url,4096)||DEFAULT_API_BASE; while(base&&base.slice(-1)==="/")base=base.slice(0,-1); if(base)return base+"/public/v1/tracking/config/"+encodeURIComponent(inst.siteKey); try{return new URL("/api/tracking/config/"+encodeURIComponent(inst.siteKey),inst.options.assetUrl||inst.options.asset_url||script&&script.src||location.origin).toString();}catch(_){return "";} } function correlationEndpoint(inst,config){ var explicit=trimmed(inst.options.correlationUrl||inst.options.correlation_url,4096); if(explicit)return explicit; try{ var endpoint=new URL(config.collector_url,location.href); endpoint.pathname=endpoint.pathname.replace(/\/batch$/,"/correlation"); endpoint.search="";endpoint.hash=""; return endpoint.toString(); }catch(_){return "";} } function validConfig(value){ return value&&value.schema_version===SCHEMA_VERSION&&typeof value.collector_url==="string"&&typeof value.collector_token==="string"&&typeof value.expires_at==="string"; } function sampleVisitor(visitorId,rate){ rate=Math.max(0,Math.min(1,Number(rate))); if(rate>=1)return true; if(rate<=0)return false; var hash=2166136261; for(var index=0;index>>0)/4294967296now)return Promise.resolve(inst.config); if(inst.configPromise)return inst.configPromise; inst.configPromise=fetch(endpoint,{method:"GET",mode:"cors",credentials:"omit",cache:"no-store",headers:{Accept:"application/json"}}) .then(function(response){if(!response.ok)throw new Error("config_"+response.status);return response.json();}) .then(function(config){ if(!validConfig(config))throw new Error("config_invalid"); inst.config=config; inst.maxEvents=Math.max(1,Math.min(25,Number(config.limits&&config.limits.max_events_per_batch)||25)); inst.maxBytes=Math.max(4096,Math.min(65536,Number(config.limits&&config.limits.max_payload_bytes)||65536)); inst.retryAttempt=0; activateInstallation(core,inst); var delay=Math.max(5000,Date.parse(config.expires_at)-Date.now()-CONFIG_REFRESH_SKEW_MS); clearTimeout(inst.configTimer);inst.configTimer=setTimeout(function(){loadConfig(core,inst,true);},delay); return config; }) .catch(function(error){debug(core,"config failed",error&&error.message);scheduleConfigRetry(core,inst);return null;}) .finally(function(){inst.configPromise=null;}); return inst.configPromise; } function scheduleConfigRetry(core,inst){ clearTimeout(inst.configRetryTimer); var attempt=Math.min(6,inst.retryAttempt||0),delay=Math.min(MAX_RETRY_MS,1000*Math.pow(2,attempt)); inst.retryAttempt=attempt+1; inst.configRetryTimer=setTimeout(function(){loadConfig(core,inst,true);},delay+Math.floor(Math.random()*500)); } function configure(core,options){ options=options||{}; var siteKey=trimmed(options.siteKey||options.site_key,160),scope=namespace(siteKey||options.namespace||options.domainId||options.domain_id); core.activeScope=scope; if(!siteKey){ var context=captureContext(scope,options.consentMode||options.consent_mode||"implicit",core,false); page(core,{kind:"sdk_init"},context,scope); return Promise.resolve(context); } var inst=core.installations[scope]; if(!inst){ inst=core.installations[scope]={scope:scope,siteKey:siteKey,options:options,config:null,configPromise:null,ready:false,restored:false,sampled:false,maxEvents:25,maxBytes:65536,retryAttempt:0,inflight:null}; }else{ inst.options=Object.assign({},inst.options,options); } return loadConfig(core,inst,false).then(function(){return inst.context||null;}); } function makeBatch(core,inst){ if(inst.inflight)return inst.inflight; var available=core.pendingEvents.filter(function(event){return event.scope===inst.scope;}); if(!available.length)return null; var first=available[0],events=[]; for(var index=0;index=500)throw new Error("collector_"+response.status); acknowledge(core,inst,batch);debug(core,"collector rejected",code||response.status);return false; }); }) .catch(function(error){batch.attempt+=1;inst.retryDelay=Math.min(MAX_RETRY_MS,1000*Math.pow(2,Math.min(6,batch.attempt)));debug(core,"collector retry",error&&error.message);return false;}) .finally(function(){inst.sending=false;if(core.pendingEvents.some(function(event){return event.scope===scope;})){scheduleFlush(core,scope,inst.retryDelay||FLUSH_INTERVAL_MS);inst.retryDelay=0;}}); }); } function scheduleFlush(core,scope,delay){ var inst=core.installations[scope];if(!inst)return; clearTimeout(inst.flushTimer);inst.flushTimer=setTimeout(function(){flush(core,scope,false);},Math.max(0,delay)); } function issueNativeCorrelation(core,inst){ if(!inst)return Promise.reject(new Error("tracking_installation_required")); return loadConfig(core,inst,false).then(function(config){ var context=inst.context||core.contexts[inst.scope],endpoint=config&&correlationEndpoint(inst,config); if(!config||!endpoint)throw new Error("tracking_correlation_unavailable"); if(!context||!consentAllowed(inst.scope,inst.consentMode))throw new Error("tracking_consent_required"); return fetch(endpoint,{method:"POST",mode:"cors",credentials:"omit",cache:"no-store",headers:{Accept:"application/json","Content-Type":"application/json",Authorization:"Bearer "+config.collector_token},body:JSON.stringify({visitor_id:context.visitor_id,session_id:context.session_id,page_view_id:context.page_view_id,path:location.pathname})}) .then(function(response){if(!response.ok)throw new Error("tracking_correlation_"+response.status);return response.json();}) .then(function(value){ if(!value||typeof value.correlation_token!=="string"||!/^corr_[a-f0-9]{64}$/.test(value.correlation_token)||typeof value.expires_at!=="string")throw new Error("tracking_correlation_invalid"); return value; }); }); } function nativeFormTarget(value){ if(typeof value!=="string")return value&&value.tagName?value:null; try{return document.querySelector(value);}catch(_){return null;} } function unbindNativeForm(core,target){ var id=typeof target==="string"?target:null; if(!id&&target)Object.keys(core.nativeForms).some(function(candidate){if(core.nativeForms[candidate].form===target){id=candidate;return true;}return false;}); var entry=id&&core.nativeForms[id]; if(!entry)return false; clearTimeout(entry.refreshTimer);entry.form.removeEventListener("focusin",entry.onFocus); if(entry.input&&entry.input.parentNode)entry.input.parentNode.removeChild(entry.input); delete core.nativeForms[id];return true; } function clearNativeForms(core,scope){ Object.keys(core.nativeForms).forEach(function(id){if(!scope||core.nativeForms[id].scope===scope)unbindNativeForm(core,id);}); } function bindNativeForm(core,options){ options=options||{}; var scope=namespace(options.namespace||options.siteKey||options.site_key||core.activeScope),inst=core.installations[scope]; var form=nativeFormTarget(options.target||options.form||options.selector); if(!form||String(form.tagName||"").toUpperCase()!=="FORM")return Promise.reject(new Error("native_form_target_required")); var id=trimmed(options.id,160)||"native-"+uuid(); if(core.nativeForms[id])unbindNativeForm(core,id); var entry={id:id,scope:scope,form:form,input:null,expiresAt:0,refreshTimer:null,inflight:null,onFocus:null,refresh:null}; function refresh(){ if(entry.inflight)return entry.inflight; entry.inflight=issueNativeCorrelation(core,inst).then(function(value){ var fieldName=trimmed(options.fieldName||options.field_name||value.hidden_field_name,160)||"evalife_correlation_token"; if(!entry.input){ entry.input=document.createElement("input");entry.input.type="hidden";entry.input.setAttribute("data-evalife-correlation",id);form.appendChild(entry.input); } entry.input.name=fieldName;entry.input.value=value.correlation_token;entry.expiresAt=Date.parse(value.expires_at)||0; clearTimeout(entry.refreshTimer); var delay=Math.max(60000,entry.expiresAt-Date.now()-300000); entry.refreshTimer=setTimeout(refresh,delay); try{window.dispatchEvent(new CustomEvent("evalife:native-form-ready",{detail:{id:id,expires_at:value.expires_at,field_name:fieldName}}));}catch(_){} return {correlation_token:value.correlation_token,expires_at:value.expires_at,field_name:fieldName,id:id}; }).finally(function(){entry.inflight=null;}); return entry.inflight; } entry.refresh=refresh; entry.onFocus=function(){if(entry.expiresAt-Date.now()<600000)refresh().catch(function(error){debug(core,"native form correlation refresh failed",error&&error.message);});}; form.addEventListener("focusin",entry.onFocus,{passive:true});core.nativeForms[id]=entry; return refresh().catch(function(error){unbindNativeForm(core,id);throw error;}); } function nativeFormSuccess(core,options){ options=options||{}; var scope=namespace(options.namespace||options.siteKey||options.site_key||core.activeScope),inst=core.installations[scope]; var context=inst&&inst.context||core.contexts[scope]||core.context; return emit(core,"custom.native_form_success",{kind:trimmed(options.kind,80)||"native_form",placement:trimmed(options.placement,80)||"external_site",label:trimmed(options.label,160)||undefined},context,scope); } function sendBeaconBatch(core,scope){ var inst=core.installations[scope],config=inst&&inst.config; if(!inst||!config||!config.beacon_url||!navigator.sendBeacon||Date.parse(config.expires_at)<=Date.now())return false; var batch=makeBatch(core,inst);if(!batch)return true; var body=JSON.stringify({collector_token:config.collector_token,batch:batch.payload}); if(body.length>inst.maxBytes+8192)return false; try{return navigator.sendBeacon(config.beacon_url,new Blob([body],{type:"text/plain;charset=UTF-8"}));}catch(_){return false;} } function debug(core){ if(!core.debug||!window.console||!console.debug)return; var args=Array.prototype.slice.call(arguments,1);args.unshift("[EVALIFE]");console.debug.apply(console,args); } function navigate(core){ core.scrollSeen={}; Object.keys(core.installations).forEach(function(scope){ var inst=core.installations[scope];if(!inst.ready)return; var context=captureContext(scope,inst.consentMode,core,true);inst.context=context; page(core,{kind:"spa_navigation"},context,scope); Object.keys(core.nativeForms).forEach(function(id){var entry=core.nativeForms[id];if(entry.scope===scope&&entry.refresh)entry.refresh().catch(function(error){debug(core,"native form correlation navigation refresh failed",error&&error.message);});}); }); } function sessionSnapshot(core){ var summary=core.summary,now=Date.now(); if(!document.hidden)summary.active_ms+=Math.max(0,now-summary.last_tick);summary.last_tick=now; return {duration_ms:Math.max(0,now-summary.started_at),active_ms:summary.active_ms,page_views:summary.page_views,scroll_events:summary.scroll_events,click_events:summary.click_events,heartbeat_events:summary.heartbeat_events,max_scroll_depth:summary.max_scroll_depth}; } function installBrowserSignals(core){ if(window.__EVALIFE_SIGNAL_ROUTER__){window.__EVALIFE_SIGNAL_ROUTER__.core=core;window.__EVALIFE_SIGNAL_ROUTER__.lastHref=location.href;core.signalsInstalled=true;return;} var router=window.__EVALIFE_SIGNAL_ROUTER__={core:core,lastHref:location.href};core.signalsInstalled=true; var notify=function(){if(location.href===router.lastHref)return;router.lastHref=location.href;setTimeout(function(){navigate(router.core);},0);}; ["pushState","replaceState"].forEach(function(name){var original=history[name];history[name]=function(){var result=original.apply(this,arguments);notify();return result;};}); window.addEventListener("popstate",notify,{passive:true}); document.addEventListener("click",function(event){ var element=event.target&&event.target.closest&&event.target.closest("a,button,[data-evalife-cta]");if(!element)return; var type="cta_click",kind=(element.tagName||"").toLowerCase(),anchor=element.closest&&element.closest("a"); if(anchor){ var href=anchor.getAttribute("href")||""; if(/^tel:|^mailto:/i.test(href))type="contact_click"; else if(anchor.closest("nav")||anchor.hasAttribute("data-evalife-menu"))type="menu_link_click"; else try{if(new URL(href,location.href).origin!==location.origin)type="outbound_link_click";}catch(_){} } var active=router.core;emit(active,type,{kind:kind,placement:trimmed(element.getAttribute("data-evalife-placement"),80)},active.context); },{passive:true}); var thresholds=[25,50,75,90]; window.addEventListener("scroll",function(){ var height=Math.max(document.documentElement.scrollHeight,document.body&&document.body.scrollHeight||0)-innerHeight; var percent=height>0?Math.min(100,Math.round(scrollY/height*100)):100; var active=router.core;thresholds.forEach(function(value){if(percent>=value&&!active.scrollSeen[value]){active.scrollSeen[value]=true;emit(active,"scroll_depth_reached",{percent:value},active.context);}}); },{passive:true}); document.addEventListener("visibilitychange",function(){ var active=router.core,now=Date.now();if(document.hidden)active.summary.active_ms+=Math.max(0,now-active.summary.last_tick);active.summary.last_tick=now; emit(active,"visibility_change",{status:document.hidden?"hidden":"visible"},active.context); if(document.hidden)Object.keys(active.installations).forEach(function(scope){flush(active,scope,true);}); },{passive:true}); window.addEventListener("online",function(){var active=router.core;Object.keys(active.installations).forEach(function(scope){scheduleFlush(active,scope,0);});},{passive:true}); window.addEventListener("pagehide",function(){ var active=router.core;Object.keys(active.installations).forEach(function(scope){var inst=active.installations[scope];emit(active,"session_end",sessionSnapshot(active),inst.context,scope);if(!sendBeaconBatch(active,scope))flush(active,scope,true);}); },{passive:true}); router.heartbeatTimer=setInterval(function(){ if(document.hidden)return;var active=router.core,snapshot=sessionSnapshot(active);emit(active,"heartbeat",{active_ms:snapshot.active_ms,duration_ms:snapshot.duration_ms},active.context); },15000); } function mountForm(core,options,ownerScript){ options=options||{}; var formUrl=trimmed(options.formUrl||options.form_url,4096); if(!formUrl)return null; var target=options.target||options.mount; var mount=typeof target==="string"?document.querySelector(target):target; var mountId=trimmed(options.id,160)|| (mount&&mount.getAttribute&&mount.getAttribute("data-core-form-mount-id"))|| "form-"+uuid(); if(core.mounts[mountId])return core.mounts[mountId].frame; var transparent=options.transparentBackground===true||options.transparent_background===true; if(transparent){ try{var embeddedUrl=new URL(formUrl,location.href);embeddedUrl.searchParams.set("core_embed_background","transparent");formUrl=embeddedUrl.toString();}catch(_){} } var frame=mount&&mount.tagName==="IFRAME"?mount:document.createElement("iframe"); if(!frame.src)frame.src=formUrl; frame.setAttribute("data-core-form-mount-id",mountId); frame.setAttribute("loading","lazy"); frame.setAttribute("referrerpolicy","strict-origin-when-cross-origin"); frame.setAttribute("sandbox","allow-forms allow-popups allow-same-origin allow-scripts"); frame.style.width="100%";frame.style.border="0";frame.style.minHeight="640px"; if(transparent){frame.style.background="transparent";frame.setAttribute("allowtransparency","true");} if(mount&&mount!==frame)mount.appendChild(frame); else if(!mount&&ownerScript&&ownerScript.parentNode)ownerScript.parentNode.insertBefore(frame,ownerScript.nextSibling); else if(!mount)document.body.appendChild(frame); var origin=new URL(formUrl,location.href).origin; var scope=namespace(options.siteKey||options.site_key||options.namespace||options.domainId||options.domain_id||"platform"); var inst=core.installations[scope]; var context=inst?inst.context:captureContext(scope,options.consentMode||options.consent_mode||"implicit",core,false); function send(){if(frame.contentWindow)frame.contentWindow.postMessage({ type:"core.tracking.context.v1",context:(core.contexts[scope]||context)||undefined,runtime_context_token:options.runtimeToken||options.runtime_token||core.serverIdentityToken||undefined },origin);} function onMessage(event){ if(event.source!==frame.contentWindow||event.origin!==origin||!event.data)return; if(event.data.type==="core.tracking.ready.v1")send(); if(event.data.type==="core.form.resize.v1"){ var height=Number(event.data.height||0); if(Number.isFinite(height)&&height>=240&&height<=10000)frame.style.height=Math.ceil(height)+"px"; } } window.addEventListener("message",onMessage);frame.addEventListener("load",send);send(); core.mounts[mountId]={frame:frame,onMessage:onMessage,send:send,scope:scope}; core.frame=frame;core.send=send; return frame; } function unmountForm(core,target){ var id=typeof target==="string"?target:target&&target.id; var entry=id&&core.mounts[id]; if(!entry)return false; window.removeEventListener("message",entry.onMessage); entry.frame.removeEventListener("load",entry.send); if(entry.frame.parentNode)entry.frame.parentNode.removeChild(entry.frame); delete core.mounts[id]; return true; } function createCore(){ var core={ __evalifeTracker:true, version:SDK_VERSION, context:null, contexts:{}, installations:{}, mounts:{}, nativeForms:{}, pageViews:{}, emittedPageViews:{}, pendingEvents:[], deferredCommands:[], activeScope:"platform", serverIdentityToken:null, scrollSeen:{}, summary:{started_at:Date.now(),last_tick:Date.now(),active_ms:0,page_views:0,scroll_events:0,click_events:0,heartbeat_events:0,max_scroll_depth:0}, debug:false }; core.init=function(options){ return configure(core,options||{}); }; core.track=function(name,properties){if(!core.context){core.deferredCommands.push(["track",name,properties]);return null;}return emit(core,name,properties,core.context);}; core.page=function(details){ if(!core.context){core.deferredCommands.push(["page",details]);return null;} var scope=core.activeScope,inst=core.installations[scope],context=inst?captureContext(scope,inst.consentMode,core,true):core.context; if(inst)inst.context=context; return page(core,details,context,scope); }; core.consent=function(status,options){ options=options||{}; var scope=namespace(options.namespace||options.siteKey||options.site_key||options.domainId||options.domain_id||core.activeScope); var local=storage("localStorage"),normalized=String(status&&status.status||status||"").toLowerCase(),inst=core.installations[scope]; if(normalized==="granted"||normalized==="accepted"){ storageSet(local,"core_consent_"+scope,"accepted");storageRemove(local,"core_optout_"+scope); if(inst&&inst.config){var context=activateInstallation(core,inst);emit(core,"consent_update",{status:"granted",purpose:trimmed(status&&status.purpose,80)||"analytics"},context,scope);return context;} if(inst)return loadConfig(core,inst,true); return captureContext(scope,"explicit",core,false); } storageSet(local,"core_optout_"+scope,"1");storageRemove(local,"core_consent_"+scope);storageRemove(local,queueKey(scope)); core.pendingEvents=core.pendingEvents.filter(function(event){return event.scope!==scope;}); if(inst){inst.context=null;inst.sampled=false;inst.inflight=null;} clearNativeForms(core,scope); clearContext(core,scope); return null; }; core.identifyFromServerToken=function(value){ var token=trimmed(value&&value.token||value,4096);if(!token)return false; core.serverIdentityToken=token;Object.keys(core.mounts).forEach(function(id){core.mounts[id].send();});return true; }; core.mountForm=function(options){return mountForm(core,options,null);}; core.unmountForm=function(target){return unmountForm(core,target);}; core.bindNativeForm=function(options){return bindNativeForm(core,options);}; core.unbindNativeForm=function(target){return unbindNativeForm(core,target);}; core.nativeFormSuccess=function(options){return nativeFormSuccess(core,options);}; core.flush=function(options){return flush(core,namespace(options&&options.namespace||core.activeScope),Boolean(options&&options.keepalive));}; core.reset=function(options){ var scope=namespace(options&&options.namespace||core.activeScope);clearContext(core,scope);storageRemove(storage("localStorage"),queueKey(scope)); core.pendingEvents=core.pendingEvents.filter(function(event){return event.scope!==scope;}); var inst=core.installations[scope];if(inst){inst.context=null;inst.inflight=null;} clearNativeForms(core,scope); }; core.destroy=function(){ Object.keys(core.installations).forEach(function(scope){var inst=core.installations[scope];clearTimeout(inst.configTimer);clearTimeout(inst.configRetryTimer);clearTimeout(inst.flushTimer);}); clearNativeForms(core); core.installations={};core.contexts={};core.context=null;core.pendingEvents.length=0;core.deferredCommands.length=0; }; core.command=function(command){ var args=Array.prototype.slice.call(arguments,1); if(command==="init")return core.init(args[0]); if(command==="consent")return core.consent(args[0],args[1]); if(command==="page")return core.page(args[0]); if(command==="track")return core.track(args[0],args[1]); if(command==="mountForm")return core.mountForm(args[0]); if(command==="unmountForm")return core.unmountForm(args[0]); if(command==="bindNativeForm")return core.bindNativeForm(args[0]); if(command==="unbindNativeForm")return core.unbindNativeForm(args[0]); if(command==="nativeFormSuccess")return core.nativeFormSuccess(args[0]); if(command==="identifyFromServerToken")return core.identifyFromServerToken(args[0]); if(command==="flush")return core.flush(args[0]); if(command==="reset")return core.reset(args[0]); if(command==="destroy")return core.destroy(); if(command==="debug"){core.debug=Boolean(args[0]);return core.debug;} return null; }; core.processScript=function(ownerScript){ if(!ownerScript||ownerScript.getAttribute("data-evalife-processed")==="true")return; ownerScript.setAttribute("data-evalife-processed","true"); var formUrl=ownerScript.getAttribute("data-core-form-url"); var siteKey=ownerScript.getAttribute("data-core-site-key"),scope=siteKey||ownerScript.getAttribute("data-core-domain-id")||"platform"; core.init({siteKey:siteKey,namespace:scope,assetUrl:ownerScript.src,apiBaseUrl:ownerScript.getAttribute("data-core-api-base-url"),configUrl:ownerScript.getAttribute("data-core-config-url"),consentMode:ownerScript.getAttribute("data-core-consent-mode")||undefined}); if(formUrl)mountForm(core,{ id:ownerScript.getAttribute("data-core-mount-id"), formUrl:formUrl, target:ownerScript.getAttribute("data-core-mount"), runtimeToken:ownerScript.getAttribute("data-core-runtime-token"), siteKey:siteKey, namespace:scope, consentMode:ownerScript.getAttribute("data-core-consent-mode")||"implicit", transparentBackground:ownerScript.getAttribute("data-core-transparent-background")==="true" },ownerScript); var nativeFormTarget=ownerScript.getAttribute("data-core-native-form"); if(nativeFormTarget)core.bindNativeForm({id:ownerScript.getAttribute("data-core-native-form-id")||undefined,target:nativeFormTarget,siteKey:siteKey,namespace:scope}).catch(function(error){debug(core,"native form binding failed",error&&error.message);}); }; installBrowserSignals(core); return core; } var core=window.CoreTracking&&window.CoreTracking.__evalifeTracker?window.CoreTracking:createCore(); window.CoreTracking=core;window.__EVALIFE_SDK__=core; var previous=window.evalife; var queued=Array.isArray(previous)?previous.slice():(typeof previous==="function"&&Array.isArray(previous.q)?previous.q.slice():[]); if(!(typeof window.evalife==="function"&&window.evalife.__evalifeTracker)){ var api=function(){return core.command.apply(core,arguments);}; api.__evalifeTracker=true; api.push=function(command){ var args=Array.isArray(command)?command:Array.prototype.slice.call(arguments); return core.command.apply(core,args); }; window.evalife=api; queued.forEach(function(command){var args=Array.isArray(command)?command:Array.prototype.slice.call(command||[]);if(args.length)api.apply(null,args);}); } core.processScript(script); })(); function uuid() { if (window.crypto && typeof window.crypto.randomUUID === "function") { return window.crypto.randomUUID(); } return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, function(c) { return (Number(c) ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> Number(c) / 4).toString(16); }); } var sharedTracking = window.CoreTracking && window.CoreTracking.context; var visitorId = sharedTracking && sharedTracking.visitor_id || uuid(); var sessionId = sharedTracking && sharedTracking.session_id || uuid(); var pageViewId = sharedTracking && sharedTracking.page_view_id || uuid(); var startedAt = Date.now(); var content = config.content || null; var maxScroll = 0; var clickCount = 0; var mouseMoveCount = 0; var sentSessionEnd = false; var activeMs = 0; var lastActiveTickAt = startedAt; var lastActivityAt = startedAt; var activeWindowVisible = document.visibilityState === "visible"; var sentMilestones = {}; var sentSections = {}; var visibleSections = {}; var sectionTimers = {}; function updateActiveTime(now) { var current = now || Date.now(); if (activeWindowVisible) { var activeUntil = Math.min(current, lastActivityAt + 30000); if (activeUntil > lastActiveTickAt) { activeMs += activeUntil - lastActiveTickAt; } } lastActiveTickAt = current; } function markActivity() { updateActiveTime(Date.now()); lastActivityAt = Date.now(); } function scrollDepth() { var doc = document.documentElement; var scrollTop = window.scrollY || doc.scrollTop || 0; var scrollable = Math.max(1, doc.scrollHeight - window.innerHeight); return Math.max(0, Math.min(100, Math.round((scrollTop / scrollable) * 100))); } function eventPayload(type, properties) { return { event_id: uuid(), type: type, occurred_at: new Date().toISOString(), properties: properties || {} }; } function send(events, keepalive) { if (!events.length) return; var payload = { batch_id: uuid(), runtime_issued_at: config.issuedAt, runtime_signature: config.runtimeSignature, request_id: null, page_view_id: pageViewId, visitor_id: visitorId, session_id: sessionId, tenant_id: config.tenantId, domain_id: config.domainId, host: config.host, path: location.pathname || "/", events: events }; if (content) { payload.content_context = { post_id: content.postId, post_version_id: content.postVersionId, issued_at: content.issuedAt, signature: content.signature }; } var body = JSON.stringify(payload); if (keepalive && navigator.sendBeacon) { try { var blob = new Blob([body], { type: "application/json" }); if (navigator.sendBeacon(config.collectorPath, blob)) return; } catch (_) {} } fetch(config.collectorPath, { body: body, cache: "no-store", credentials: "same-origin", headers: { "Content-Type": "application/json" }, keepalive: Boolean(keepalive), method: "POST" }).catch(function(){}); } function summaryProperties(extra) { if (config.trackScroll) maxScroll = Math.max(maxScroll, scrollDepth()); return Object.assign({ duration_ms: Math.max(0, Date.now() - startedAt), max_scroll_depth: maxScroll, click_count: clickCount, mouse_move_count: mouseMoveCount }, extra || {}); } function typedClickEvent(rawTarget) { if (!rawTarget || typeof rawTarget.closest !== "function") return null; var target = rawTarget.closest("a[href], [data-core-analytics-event]"); if (!target) return null; var explicitType = target.getAttribute("data-core-analytics-event") || ""; var allowedTypes = { cta_click: true, contact_click: true, menu_link_click: true, outbound_link_click: true }; var properties = {}; var block = target.closest("[data-core-block-id]"); var blockId = block ? block.getAttribute("data-core-block-id") || "" : ""; if (/^[A-Za-z0-9][A-Za-z0-9_-]{0,119}$/.test(blockId)) { properties.component_id = blockId; } var actionId = target.getAttribute("data-core-action-id") || ""; if (/^[A-Za-z0-9][A-Za-z0-9_-]{0,119}$/.test(actionId)) { properties.action_id = actionId; } var linkKind = target.getAttribute("data-core-link-kind") || ""; if (/^[A-Za-z0-9][A-Za-z0-9_-]{0,79}$/.test(linkKind)) { properties.link_kind = linkKind; } var targetPostId = target.getAttribute("data-core-target-post-id") || ""; if (/^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(targetPostId)) { properties.target_kind = "page"; properties.target_id = targetPostId; } if (allowedTypes[explicitType]) { return { properties: properties, type: explicitType }; } var href = target.getAttribute("href") || ""; var lowered = href.trim().toLowerCase(); if (lowered.indexOf("tel:") === 0 || lowered.indexOf("mailto:") === 0) { properties.contact_kind = lowered.indexOf("tel:") === 0 ? "phone" : "email"; properties.target_kind = "contact"; return { properties: properties, type: "contact_click" }; } try { var url = new URL(href, location.href); if (url.protocol !== "http:" && url.protocol !== "https:") return null; if (url.origin !== location.origin) { properties.target_kind = "external_url"; properties.target_url = url.origin + "/"; return { properties: properties, type: "outbound_link_click" }; } properties.target_kind = "page"; return { properties: properties, type: "menu_link_click" }; } catch (_) { return null; } } function contentHeartbeatEvent() { if (!content) return null; updateActiveTime(Date.now()); return eventPayload("article_reading_heartbeat", { active_seconds: Math.floor(activeMs / 1000), duration_ms: Math.max(0, Date.now() - startedAt), max_scroll_percent: maxScroll }); } function emitScrollMilestones() { if (!content || !config.trackScroll) return; maxScroll = Math.max(maxScroll, scrollDepth()); var events = []; (content.scrollMilestones || []).forEach(function(milestone) { var value = Math.max(0, Math.min(100, Math.trunc(Number(milestone) || 0))); if (!sentMilestones[value] && maxScroll >= value) { sentMilestones[value] = true; events.push(eventPayload("article_read_depth_reached", { read_progress_percent: value, max_scroll_percent: maxScroll, active_seconds: Math.floor(activeMs / 1000) })); } }); send(events, false); } function scheduleSectionView(sectionId) { if (!content || sentSections[sectionId] || sectionTimers[sectionId]) return; var minVisibleMs = Math.max(0, Math.trunc(Number(content.sectionMinVisibleMs) || 1000)); sectionTimers[sectionId] = window.setTimeout(function() { delete sectionTimers[sectionId]; if (!visibleSections[sectionId] || sentSections[sectionId]) return; if (document.visibilityState !== "visible") return; sentSections[sectionId] = true; send([eventPayload("content_section_viewed", { content_section_id: sectionId, visible_ms: minVisibleMs })], false); }, minVisibleMs); } function observeContentSections() { if (!content || typeof IntersectionObserver === "undefined") return; var threshold = Math.max(0, Math.min(1, Number(content.sectionVisibilityThreshold) || 0.5)); var blockNodes = Array.prototype.slice.call(document.querySelectorAll("[data-core-block-id]")); var blockIndexes = {}; var sectionIdsByBlock = {}; var visibleSectionBlocks = {}; blockNodes.forEach(function(node, index) { var blockIds = (node.getAttribute("data-core-block-ids") || node.getAttribute("data-core-block-id") || "") .split(",") .filter(Boolean); blockIds.forEach(function(blockId) { blockIndexes[blockId] = index; }); }); (content.sections || []).forEach(function(section) { if (!section || !section.section_id) return; var firstId = section.first_block_id || section.heading_block_id; var lastId = section.last_block_id || firstId; var firstIndex = blockIndexes[firstId]; var lastIndex = blockIndexes[lastId]; if (typeof firstIndex !== "number" || typeof lastIndex !== "number") return; for (var index = firstIndex; index <= lastIndex; index += 1) { var blockId = blockNodes[index].getAttribute("data-core-block-id") || ""; if (!blockId) continue; if (!sectionIdsByBlock[blockId]) sectionIdsByBlock[blockId] = []; sectionIdsByBlock[blockId].push(section.section_id); } }); var observer = new IntersectionObserver(function(entries) { entries.forEach(function(entry) { var blockId = entry.target.getAttribute("data-core-block-id") || ""; var sectionIds = sectionIdsByBlock[blockId] || []; var viewportSafeHeight = Math.min(240, Math.max(80, window.innerHeight * 0.35)); var blockVisible = entry.isIntersecting && ( entry.intersectionRatio >= threshold || entry.intersectionRect.height >= viewportSafeHeight ); sectionIds.forEach(function(sectionId) { if (sentSections[sectionId]) return; var visibilityKey = sectionId + ":" + blockId; visibleSectionBlocks[visibilityKey] = blockVisible; var sectionVisible = Object.keys(visibleSectionBlocks).some(function(key) { return key.indexOf(sectionId + ":") === 0 && visibleSectionBlocks[key]; }); visibleSections[sectionId] = sectionVisible; if (!sectionVisible) { if (sectionTimers[sectionId]) window.clearTimeout(sectionTimers[sectionId]); delete sectionTimers[sectionId]; return; } scheduleSectionView(sectionId); }); }); }, { threshold: [threshold] }); blockNodes.forEach(function(node) { var blockId = node.getAttribute("data-core-block-id") || ""; if (sectionIdsByBlock[blockId]) observer.observe(node); }); } send([eventPayload("page_view", summaryProperties({ attribution: sharedTracking ? { first_touch: sharedTracking.first_touch, last_touch: sharedTracking.last_touch } : null, visibility_state: document.visibilityState || "visible" }))], false); if (config.trackScroll) { window.addEventListener("scroll", function(){ markActivity(); maxScroll = Math.max(maxScroll, scrollDepth()); emitScrollMilestones(); }, { passive: true }); } if (config.trackClicks) { document.addEventListener("click", function(event){ markActivity(); clickCount += 1; var typed = typedClickEvent(event.target); if (typed) send([eventPayload(typed.type, typed.properties)], false); }, { passive: true }); } if (config.trackMouseSummary) { document.addEventListener("mousemove", function(){ markActivity(); mouseMoveCount += 1; }, { passive: true }); } document.addEventListener("keydown", markActivity, { passive: true }); document.addEventListener("pointerdown", markActivity, { passive: true }); document.addEventListener("visibilitychange", function(){ updateActiveTime(Date.now()); activeWindowVisible = document.visibilityState === "visible"; if (activeWindowVisible) { lastActivityAt = Date.now(); Object.keys(visibleSections).forEach(function(sectionId) { if (visibleSections[sectionId]) scheduleSectionView(sectionId); }); } if (config.trackVisibility) { send([eventPayload("visibility", summaryProperties({ visibility_state: document.visibilityState || "unknown" }))], document.visibilityState === "hidden"); } }); if (config.trackHeartbeat) { window.setInterval(function(){ var events = [eventPayload("heartbeat", summaryProperties({ visibility_state: document.visibilityState || "visible" }))]; var contentHeartbeat = contentHeartbeatEvent(); if (contentHeartbeat && document.visibilityState === "visible") { events.push(contentHeartbeat); } send(events, false); }, config.heartbeatIntervalMs); } emitScrollMilestones(); observeContentSections(); function sessionEnd() { if (sentSessionEnd) return; sentSessionEnd = true; updateActiveTime(Date.now()); var events = [eventPayload("session_end", summaryProperties({ ended_by: "pagehide" }))]; var contentHeartbeat = contentHeartbeatEvent(); if (contentHeartbeat) events.push(contentHeartbeat); send(events, true); } window.addEventListener("pagehide", sessionEnd); })({"collectorPath":"/__core/collect","consentMode":"notice","content":null,"domainId":"aa518e9a-8f4f-49ec-ad77-0a42ac77253b","heartbeatIntervalMs":15000,"host":"blog.sotovik.info","issuedAt":1786336148,"respectDnt":true,"runtimeSignature":"sha256=bc88dfff44341f5eab2deaf87ba4d0f530094574ec14f3ad25b53179750a7a52","tenantId":"de32bdcd-b9f9-4386-9ecc-179b894a6faf","trackClicks":true,"trackHeartbeat":true,"trackMouseSummary":true,"trackScroll":true,"trackVisibility":true});

AirPods

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