(function($){(function(factory){if(typeof define==='function'&&define.amd){define(['jquery'],factory);}else if(typeof module==='object'&&module.exports){module.exports=factory(require('jquery'));}else{factory(jQuery);}}(function($){'use strict';const defaults={percentage:true};const $window=$(window);let cache=[];let scrollEventBound=false;let lastPixelDepth=0;$.scrollDepth=function(options){const startTime=+new Date();options=$.extend({},defaults,options);function sendEvent(page_link,percentage,scrollDistance,timing){if(typeof gtag!=='undefined'){gtag('event','scroll_depth',{'wpa_category':'Analytify Scroll Depth','wpa_percentage':percentage,'non_interaction':true});const eventTiming=timing||(+new Date-startTime);gtag('event','timing_complete',{'event_category':'Analytify Scroll Depth','event_label':page_link+' - '+percentage+'%','value':eventTiming,'non_interaction':true});}}
function calculateMarks(docHeight){return{'25':parseInt(docHeight*0.25,10),'50':parseInt(docHeight*0.50,10),'75':parseInt(docHeight*0.75,10),'100':docHeight-5};}
function checkMarks(marks,scrollDistance,timing){$.each(marks,function(key,val){if($.inArray(key,cache)===-1&&scrollDistance>=val){const permalink=(typeof analytifyScroll!=='undefined'&&analytifyScroll.permalink)?analytifyScroll.permalink:window.location.href;sendEvent(permalink,key,scrollDistance,timing);cache.push(key);}});}
function rounded(scrollDistance){return(Math.floor(scrollDistance/250)*250).toString();}
function init(){bindScrollDepth();const docHeight=$(document).height();const winHeight=window.innerHeight?window.innerHeight:$window.height();if(winHeight>=docHeight){const timing=+new Date-startTime;const permalink=(typeof analytifyScroll!=='undefined'&&analytifyScroll.permalink)?analytifyScroll.permalink:window.location.href;if($.inArray('100',cache)===-1){sendEvent(permalink,'100',docHeight,timing);cache.push('100');}}}
$.scrollDepth.reset=function(){cache=[];lastPixelDepth=0;$window.off('scroll.scrollDepth');bindScrollDepth();};$.scrollDepth.addElements=function(elems){if(typeof elems=='undefined'||!$.isArray(elems)){return;}
$.merge(options.elements,elems);if(!scrollEventBound){bindScrollDepth();}};$.scrollDepth.removeElements=function(elems){if(typeof elems=='undefined'||!$.isArray(elems)){return;}
$.each(elems,function(index,elem){const inElementsArray=$.inArray(elem,options.elements);const inCacheArray=$.inArray(elem,cache);if(inElementsArray!=-1){options.elements.splice(inElementsArray,1);}
if(inCacheArray!=-1){cache.splice(inCacheArray,1);}});};function throttle(func,wait){let timeout=null;let previous=0;return function(){const context=this;const args=arguments;const now=new Date;if(!previous){previous=now;}
const remaining=wait-(now-previous);if(remaining<=0){clearTimeout(timeout);timeout=null;previous=now;func.apply(context,args);}else if(!timeout){timeout=setTimeout(function(){previous=new Date;timeout=null;func.apply(context,args);},remaining);}};}
function bindScrollDepth(){scrollEventBound=true;$window.on('scroll.scrollDepth',throttle(function(){const docHeight=$(document).height(),winHeight=window.innerHeight?window.innerHeight:$window.height(),scrollDistance=$window.scrollTop()+winHeight,marks=calculateMarks(docHeight),timing=+new Date-startTime;checkMarks(marks,scrollDistance,timing);},500));}
init();};return $.scrollDepth;}));function initScrollDepth(){if(typeof gtag!=='undefined'||(typeof window.dataLayer!=='undefined'&&typeof window.dataLayer.push==='function')){$.scrollDepth();}else{const maxRetries=50;let retryCount=0;const checkInterval=setInterval(function(){retryCount++;if(typeof gtag!=='undefined'||(typeof window.dataLayer!=='undefined'&&typeof window.dataLayer.push==='function')){clearInterval(checkInterval);$.scrollDepth();}else if(retryCount>=maxRetries){clearInterval(checkInterval);$.scrollDepth();}},100);}}
if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',initScrollDepth);}else{initScrollDepth();}})(jQuery);