function _define_property(obj,key,value){if(key in obj){Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true})}else{obj[key]=value}return obj}function _object_spread(target){for(var i=1;i=0)continue;if(!Object.prototype.propertyIsEnumerable.call(source,key))continue;target[key]=source[key]}return target}target=_object_without_properties_loose(source,excluded);if(Object.getOwnPropertySymbols){sourceKeys=Object.getOwnPropertySymbols(source);for(i=0;i=0)continue;if(!Object.prototype.propertyIsEnumerable.call(source,key))continue;target[key]=source[key]}}return target}function _object_without_properties_loose(source,excluded){if(source==null)return{};var target={},sourceKeys=Object.getOwnPropertyNames(source),key,i;for(i=0;i=0)continue;if(!Object.prototype.propertyIsEnumerable.call(source,key))continue;target[key]=source[key]}return target}function _type_of(obj){"@swc/helpers - typeof";return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}(function(){var THRESHOLD=0.5;var NODE_ID="data-node-id";var PORTAL_PARENT_ID="data-portal-trigger-id";var TRACKING_METADATA="data-tracking-metadata";var ANCESTRY_SEPARATOR=";";var OPT_IN_SELECTOR='[data-pre-hydration-tracking="true"]';var ENABLE_PAGE_VIEW_ATTR="data-enable-page-view";var ENABLE_IMPRESSIONS_ATTR="data-enable-impressions";var config=window.__preHydrationConfig__||{};var WAYFAIR_NATIVE_APP_UA_REGEX=/Wayfair(?:App|Enterprise).*iOS|Wayhome(?:App|Enterprise).*iOS|WayfairApp.*android|Wayhome.*android/i;var resolveScribePlatform=function(userAgent){if(userAgent&&WAYFAIR_NATIVE_APP_UA_REGEX.test(userAgent)){return"MOBILE_APP"}if(!userAgent){return"WEB"}if(/iPad|Tablet|PlayBook/i.test(userAgent)){return"WEB"}if(/iPhone|iPod|Windows Phone|IEMobile|Opera Mini|webOS|BlackBerry|Android|BB10|Mobile/i.test(userAgent)){return"MOBILE_WEB"}return"WEB"};var getPreHydrationUserAgent=function(){if(typeof navigator!=="undefined"&&navigator.userAgent){return navigator.userAgent}if(config.userAgent){return config.userAgent}return undefined};var getPreHydrationPlatform=function(){return resolveScribePlatform(getPreHydrationUserAgent())||config.platform};var impressionsOptedIn=false;var pageViewOptedIn=false;var checkOptInStatus=function(){var el=document.querySelector(OPT_IN_SELECTOR);if(el){impressionsOptedIn=el.getAttribute(ENABLE_IMPRESSIONS_ATTR)==="true";pageViewOptedIn=el.getAttribute(ENABLE_PAGE_VIEW_ATTR)==="true"}};var shouldFireImpression=function(){return config.fireImpression===true&&impressionsOptedIn};var firedEvents=new Set;window.__preHydrationFiredEvents__=firedEvents;window.__preHydrationTrackingActive__=true;var MAX_RETRY_COUNT=3;var INITIAL_RETRY_DELAY_MS=500;var JITTER_MULTIPLIER=.5;var RETRY_QUEUE_INTERVAL_MS=1e3;var REQUEST_TIMEOUT_MS=5e3;var calculateRetryDelay=function(retryCount){var baseDelay=INITIAL_RETRY_DELAY_MS*Math.pow(2,retryCount);var jitter=Math.random()*baseDelay*JITTER_MULTIPLIER;return baseDelay+jitter};var createRetryQueue=function(onRetry,onMaxRetries){var queue=[];var timerHandle=null;var processQueue=function(){var now=Date.now();var i=queue.length;while(i--){var item=queue[i];if(now>=item.retryAfter){queue.splice(i,1);onRetry(item)}}if(queue.length===0&&timerHandle){clearInterval(timerHandle);timerHandle=null}};var startTimer=function(){if(!timerHandle){timerHandle=setInterval(processQueue,RETRY_QUEUE_INTERVAL_MS)}};return{enqueue:function(event){if(event.retryCount>=MAX_RETRY_COUNT){onMaxRetries(event);return}var delay=calculateRetryDelay(event.retryCount);queue.push(_object_spread_props(_object_spread({},event),{retryCount:event.retryCount+1,retryAfter:Date.now()+delay}));startTimer()}}};var getCookie=function(name){var cookies=document.cookie.split(";");for(var i=0;i=0){structuredMetadata.indexWithinParent=String(index+1)}if(pageNumber>=0){structuredMetadata.paginationCurrentNumber=String(pageNumber)}return{keyValueMetadata:stringifyValues(restMetadata),structuredMetadata:structuredMetadata}};var getElementMetadata=function(el){try{var attr=el.getAttribute(TRACKING_METADATA);return attr?JSON.parse(attr):{}}catch(e){return{}}};var getAdditionalIdentifiers=function(ancestryId){if(!ancestryId){return{elementType:"",ancestryType:"",parentElementID:"",parentElementType:""}}var ELEMENT_SEPARATOR="::";var elementIds=ancestryId.split(ANCESTRY_SEPARATOR);var elementTypeNames=elementIds.map(function(elementId){var parts=elementId.split(ELEMENT_SEPARATOR);return parts[0]});return{elementType:elementTypeNames[0]||"",ancestryType:elementTypeNames.join(ANCESTRY_SEPARATOR),parentElementID:elementIds[1]||"",parentElementType:elementTypeNames[1]||""}};var parseElementId=function(elementInstanceId){var lastUnderscoreIndex=elementInstanceId.lastIndexOf("_");if(lastUnderscoreIndex>0){return elementInstanceId.substring(0,lastUnderscoreIndex)}return elementInstanceId};var logWarn=function(message,context){try{if(win.__inlineLogger__&&win.__inlineLogger__.warn){win.__inlineLogger__.warn(message,_object_spread({source:"pre-hydration-tracking"},context))}}catch(e){}};var isScribe2RetryableError=function(status){return status>=500||status===429||status===499};var isScribe1RetryableError=isScribe2RetryableError;var fireRequestWithRetry=function(param){var url=param.url,fetchOptions=param.fetchOptions,eventType=param.eventType,scribeVersion=param.scribeVersion,requestData=param.requestData,_param_retryCount=param.retryCount,retryCount=_param_retryCount===void 0?0:_param_retryCount,isRetryableError=param.isRetryableError,onRetryNeeded=param.onRetryNeeded,onFinalFailure=param.onFinalFailure;try{var abortController=new AbortController;var timeoutId=setTimeout(function(){abortController.abort()},REQUEST_TIMEOUT_MS);fetch(url,_object_spread_props(_object_spread({},fetchOptions),{signal:abortController.signal})).then(function(response){clearTimeout(timeoutId);if(response.ok){return}var canRetry=isRetryableError?isRetryableError(response.status):false;if(canRetry&&onRetryNeeded){onRetryNeeded({url:url,fetchOptions:fetchOptions,eventType:eventType,scribeVersion:scribeVersion,requestData:requestData,retryCount:retryCount,status:response.status,isRetryableError:isRetryableError,onFinalFailure:onFinalFailure})}else if(onFinalFailure){onFinalFailure({eventType:eventType,scribeVersion:scribeVersion,retryCount:retryCount,status:response.status})}}).catch(function(error){clearTimeout(timeoutId);if(onRetryNeeded){onRetryNeeded({url:url,fetchOptions:fetchOptions,eventType:eventType,scribeVersion:scribeVersion,requestData:requestData,retryCount:retryCount,error:error.name==="AbortError"?"Request timeout":error.message,isRetryableError:isRetryableError,onFinalFailure:onFinalFailure})}else if(onFinalFailure){onFinalFailure({eventType:eventType,scribeVersion:scribeVersion,retryCount:retryCount,error:error.name==="AbortError"?"Request timeout":error.message})}})}catch(e){}};var logFinalFailure=function(event){var version=event.scribeVersion==="scribe1"?"Scribe1":"Scribe2";logWarn("Pre-hydration "+version+" failed",{eventType:event.eventType,retryCount:event.retryCount,status:event.status,error:event.error})};var scribeRetryQueue=createRetryQueue(function(event){fireRequestWithRetry({url:event.url,fetchOptions:event.fetchOptions,eventType:event.eventType,scribeVersion:event.scribeVersion,requestData:event.requestData,retryCount:event.retryCount,onRetryNeeded:function(retryEvent){return scribeRetryQueue.enqueue(retryEvent)},onFinalFailure:logFinalFailure})},function(event){logFinalFailure({eventType:event.eventType,scribeVersion:event.scribeVersion,retryCount:event.retryCount,status:event.status,error:event.error})});var fireScribe2Request=function(param){var body=param.body,eventType=param.eventType,onRetryNeeded=param.onRetryNeeded,onFinalFailure=param.onFinalFailure;if(!config.scribeHost){return}fireRequestWithRetry({url:config.scribeHost+"/events/single",fetchOptions:{method:"POST",body:body,headers:{"Content-Type":"application/json"},keepalive:true},eventType:eventType,scribeVersion:"scribe2",requestData:body,isRetryableError:isScribe2RetryableError,onRetryNeeded:onRetryNeeded,onFinalFailure:onFinalFailure})};var fireScribe1Request=function(param){var url=param.url,eventType=param.eventType,onRetryNeeded=param.onRetryNeeded,onFinalFailure=param.onFinalFailure;fireRequestWithRetry({url:url,fetchOptions:{method:"GET",credentials:"include"},eventType:eventType,scribeVersion:"scribe1",requestData:url,isRetryableError:isScribe1RetryableError,onRetryNeeded:onRetryNeeded,onFinalFailure:onFinalFailure})};var fireScribe2ElementInView=function(payload){if(!config.scribeHost){return}var body=JSON.stringify(_object_spread({scribeHeader:{domain:"storefront",eventName:"element_in_view",eventTimestamp:Date.now()},deviceGUID:getCookie("CSNUtId"),pageViewID:config.pageViewID,httpResponseCode:200,platform:getPreHydrationPlatform(),storeID:config.storeID,customerGUID:sanitizeCustomerGUID(getCookie("CSNID")),pageType:config.pageType||undefined,scribe1TransactionID:window.__anchorPageViewID__||config.pageViewID,currentURL:window.location.href,userAgent:getPreHydrationUserAgent()||config.userAgent||"UNKNOWN",generateScribe1:!!config.suppressInView},payload));fireScribe2Request({body:body,eventType:"element_in_view"})};var fireScribe1ElementInView=function(payload){if(!config.storeDomain||!config.enableScribe1){return}var params=new URLSearchParams(_object_spread({eventType:"ElementInView",transactionId:config.pageViewID,storeId:String(config.storeID),pageType:config.pageType||"",timestamp:String(Date.now())},payload));var url="https://t."+config.storeDomain+"/b.php?"+params.toString();fireScribe1Request({url:url,eventType:"ElementInView"})};var eventFired=function(options){var elementInstanceId=options.elementInstanceId,eventName=options.eventName,isPreHydration=options.isPreHydration;try{window.dispatchEvent(new CustomEvent("trackingEventFired",{detail:{elementId:elementInstanceId||eventName,elementInstanceId:elementInstanceId,eventName:eventName,isPreHydration:isPreHydration}}))}catch(e){}};var fireInViewEvents=function(el,nodeId,elementPosition){var ancestryId=getNodeAncestry(el);var elementId=parseElementId(nodeId);var migrationPairId=generateUUID();var rawMetadata=getElementMetadata(el);var _rawMetadata_metadata=rawMetadata.metadata,metadata=_rawMetadata_metadata===void 0?{}:_rawMetadata_metadata,_rawMetadata_index=rawMetadata.index,index=_rawMetadata_index===void 0?-1:_rawMetadata_index,_rawMetadata_pageNumber=rawMetadata.pageNumber,pageNumber=_rawMetadata_pageNumber===void 0?-1:_rawMetadata_pageNumber;var _structureMetadata=structureMetadata(metadata,index,pageNumber),keyValueMetadata=_structureMetadata.keyValueMetadata,structuredMetadata=_structureMetadata.structuredMetadata;if(elementPosition){keyValueMetadata.elementTopLeftCoordinateX=String(Math.round(elementPosition.left+elementPosition.scrollX));keyValueMetadata.elementTopLeftCoordinateY=String(Math.round(elementPosition.top+elementPosition.scrollY))}fireScribe2ElementInView(_object_spread_props(_object_spread({elementID:elementId,elementInstanceID:nodeId,ancestryID:ancestryId,threshold:THRESHOLD,migrationPairID:migrationPairId},getAdditionalIdentifiers(ancestryId)),{keyValueMetadata:keyValueMetadata,structuredMetadata:structuredMetadata}));if(config.enableScribe1&&!config.suppressInView){var displayListingId=metadata.displayListingId,displayListingVariantId=metadata.displayListingVariantId,restMetadata=_object_without_properties(metadata,["displayListingId","displayListingVariantId"]);fireScribe1ElementInView(_object_spread({elementName:elementId,ID:ancestryId,threshold:String(THRESHOLD),migrationPairID:migrationPairId,customField3:nodeId},displayListingId?{sku:displayListingId,displayListingId:displayListingId}:{},displayListingVariantId?{displayListingVariantId:displayListingVariantId}:{},index>=0?{index:String(index+1)}:{},pageNumber>=0?{page:pageNumber}:{},Object.keys(restMetadata).length?{objects:JSON.stringify(restMetadata)}:{}))}firedEvents.add(nodeId);eventFired({elementInstanceId:nodeId,eventName:"element_in_view",isPreHydration:true})};var pendingElements=[];var configReady=false;var processPendingElements=function(){if(!shouldFireImpression()){while(pendingElements.length>0){var el=pendingElements.pop().el;observer.unobserve(el)}return}while(pendingElements.length>0){var _pendingElements_pop=pendingElements.pop(),el1=_pendingElements_pop.el,nodeId=_pendingElements_pop.nodeId,elementPosition=_pendingElements_pop.elementPosition;if(!firedEvents.has(nodeId)){fireInViewEvents(el1,nodeId,elementPosition)}observer.unobserve(el1)}};var handleConfigReady=function(){if(configReady){return}configReady=true;checkOptInStatus();processPendingElements()};window.addEventListener("preHydrationConfigReady",handleConfigReady);if(document.querySelector(OPT_IN_SELECTOR)){handleConfigReady()}var visibleElementsQueue=[];var rafScheduled=false;var rafId=null;var processVisibleElements=function(){rafScheduled=false;rafId=null;var elements=visibleElementsQueue;visibleElementsQueue=[];for(var i=0;i=THRESHOLD){var el=entry.target;var nodeId=el.getAttribute("data-node-id");if(nodeId&&!firedEvents.has(nodeId)){var rect=entry.boundingClientRect;var elementPosition={left:rect.left,top:rect.top,scrollX:window.scrollX,scrollY:window.scrollY};if(shouldFireImpression()){visibleElementsQueue.push({el:el,nodeId:nodeId,elementPosition:elementPosition});hasNewVisible=true}else if(!configReady){pendingElements.push({el:el,nodeId:nodeId,elementPosition:elementPosition})}else{observer.unobserve(el)}}else{observer.unobserve(el)}}}if(hasNewVisible){scheduleVisibleElementsProcessing()}},{threshold:THRESHOLD});var observed=new WeakSet;var shouldObserve=function(el){return el.hasAttribute&&el.hasAttribute("data-node-id")&&!el.hasAttribute("data-node-skip")&&!observed.has(el)};var observeElement=function(el){if(el.nodeType!==1){return}if(!el.isConnected){return}if(shouldObserve(el)){observed.add(el);observer.observe(el)}if(!el.firstElementChild){return}var children=el.querySelectorAll("[data-node-id]:not([data-node-skip])");for(var i=0;i=MAX_DEBOUNCE_WAIT_MS){if(debounceTimeoutId!==null){clearTimeout(debounceTimeoutId);debounceTimeoutId=null}if(mutationIdleCallbackId===null){scheduleIdleProcessing()}return}if(mutationIdleCallbackId!==null&&typeof cancelIdleCallback!=="undefined"){cancelIdleCallback(mutationIdleCallbackId);mutationIdleCallbackId=null}if(debounceTimeoutId!==null){clearTimeout(debounceTimeoutId)}debounceTimeoutId=setTimeout(scheduleIdleProcessing,DEBOUNCE_MS)};var mutationObserver=new MutationObserver(function(mutations){for(var i=0;i

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Dance Diagram (Tango), 1962

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