(function ($){
'use strict';
const PIXEL_SDK_WAIT_CONFIG={
initialDelayMs: 100,
maxDelayMs: 5000,
maxAttempts: 20
};
const MailchimpPixelTracking={
_atcTimer: null,
_rfcTimer: null,
_atcFetching: false,
_rfcFetching: false,
init: function (){
const self=this;
this.waitForPixelSDK(PIXEL_SDK_WAIT_CONFIG)
.then(function (){
self.sendPageEvents();
self.attachCartEventListeners();
self.interceptStoreApiRequests();
console.log('Mailchimp Pixel SDK loaded.');
})
.catch(function (e){
console.log('Mailchimp Pixel SDK not loaded within timeout. Tracking disabled.', e);
});
},
waitForPixelSDK: function (options){
const config=options||{};
const initialDelayMs=config.initialDelayMs!==undefined ? config.initialDelayMs:PIXEL_SDK_WAIT_CONFIG.initialDelayMs;
const maxDelayMs=config.maxDelayMs!==undefined ? config.maxDelayMs:PIXEL_SDK_WAIT_CONFIG.maxDelayMs;
const maxAttempts=config.maxAttempts!==undefined ? config.maxAttempts:PIXEL_SDK_WAIT_CONFIG.maxAttempts;
function isSDKReady(){
return typeof window.$mcSite!=='undefined' &&
window.$mcSite.pixel &&
typeof window.$mcSite.pixel.api!=='undefined' &&
typeof window.$mcSite.pixel.api.track==='function' &&
window.$mcSite.pixel.installed===true;
}
return new Promise(function (resolve, reject){
let attempt=0;
function scheduleCheck(){
if(isSDKReady()){
console.warn('Pixel SDK - remediation for pixel ready issue')
setTimeout(function (){
resolve();
}, 1000);
return;
}
if(attempt >=maxAttempts){
reject(new Error('Pixel SDK not available'));
return;
}
const delay=Math.min(initialDelayMs * Math.pow(2, attempt),
maxDelayMs
);
attempt +=1;
setTimeout(scheduleCheck, delay);
}
scheduleCheck();
});
},
isPixelSDKReady: function (){
return typeof window.$mcSite!=='undefined' &&
window.$mcSite.pixel &&
typeof window.$mcSite.pixel.api!=='undefined' &&
typeof window.$mcSite.pixel.api.track==='function';
},
getCartId: function (){
return window.mcPixel&&window.mcPixel.cartId ? window.mcPixel.cartId:'';
},
getRestBase: function (){
return (window.mcPixelConfig&&window.mcPixelConfig.restBase)||'/wp-json/mailchimp-for-woocommerce/v1/';
},
sendPageEvents: function (){
if(!window.mcPixel||!window.mcPixel.data){
return;
}
const data=window.mcPixel.data;
const events=data.events||[];
events.forEach((eventType)=> {
switch (eventType){
case 'PRODUCT_ADDED_TO_CART':
if(data.added_to_cart){
var atcItems=Array.isArray(data.added_to_cart) ? data.added_to_cart:[data.added_to_cart];
for (var ai=0; ai < atcItems.length; ai++){
this.sendProductAddedToCart(atcItems[ai]);
}}
break;
case 'PRODUCT_REMOVED_FROM_CART':
if(data.removed_from_cart){
var rfcItems=Array.isArray(data.removed_from_cart) ? data.removed_from_cart:[data.removed_from_cart];
for (var ri=0; ri < rfcItems.length; ri++){
this.sendProductRemovedFromCart(rfcItems[ri]);
}}
break;
case 'IDENTITY':
if(data.identity&&data.identity.email){
this.sendIdentityEvent(data.identity.email);
}
break;
case 'PRODUCT_VIEWED':
if(data.product){
const viewedId=String(data.product.productId||data.product.id);
const atcArr=Array.isArray(data.added_to_cart) ? data.added_to_cart:(data.added_to_cart ? [data.added_to_cart]:[]);
const rfcArr=Array.isArray(data.removed_from_cart) ? data.removed_from_cart:(data.removed_from_cart ? [data.removed_from_cart]:[]);
const atcMatch=atcArr.some(function (p){ return String(p.productId||p.id)===viewedId; });
const rfcMatch=rfcArr.some(function (p){ return String(p.productId||p.id)===viewedId; });
if((events.includes('PRODUCT_ADDED_TO_CART')&&atcMatch) ||
(events.includes('PRODUCT_REMOVED_FROM_CART')&&rfcMatch)
){
break;
}
this.sendProductViewed(data.product);
}
break;
case 'CART_VIEWED':
if(data.cart){
this.sendCartViewed(data.cart);
}
break;
case 'CHECKOUT_STARTED':
if(data.checkout){
this.sendCheckoutStarted(data.checkout);
window.mcPixel._handled.checkout=true;
}
break;
case 'PURCHASED':
if(data.order){
this.sendPurchased(data.order);
}
break;
case 'PRODUCT_CATEGORY_VIEWED':
if(data.category){
this.sendCategoryViewed(data.category);
window.mcPixel._handled.category=true;
}
break;
case 'SEARCH_SUBMITTED':
if(data.search){
this.sendSearchSubmitted(data.search);
window.mcPixel._handled.search=true;
}
break;
}});
},
sendProductViewed: function (product){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('PRODUCT_VIEWED', {
product: product
}).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking PRODUCT_VIEWED', error);
});
},
sendProductAddedToCart: function (product){
if(!this.isPixelSDKReady()) return;
const cartId=this.getCartId();
const eventData={
cartId: cartId,
product: {
item: {
id: product.id,
productId: product.productId,
title: product.title,
price: product.price,
currency: product.currency,
sku: product.sku||''
},
quantity: product.quantity||1,
price: product.price * (product.quantity||1),
currency: product.currency
}};
window.$mcSite.pixel.api.track('PRODUCT_ADDED_TO_CART', eventData).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking PRODUCT_ADDED_TO_CART', error);
});
},
sendProductRemovedFromCart: function (product){
if(!this.isPixelSDKReady()) return;
const cartId=this.getCartId();
const eventData={
cartId: cartId,
product: {
item: {
id: product.id,
productId: product.productId,
title: product.title,
price: product.price,
currency: product.currency,
sku: product.sku||''
},
quantity: product.quantity||1,
price: product.price * (product.quantity||1),
currency: product.currency
}};
window.$mcSite.pixel.api.track('PRODUCT_REMOVED_FROM_CART', eventData).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking PRODUCT_REMOVED_FROM_CART', error);
});
},
sendCartViewed: function (cart){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('CART_VIEWED', {
cart: cart
}).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking CART_VIEWED', error);
});
},
sendCheckoutStarted: function (checkout){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('CHECKOUT_STARTED', {
checkout: checkout
}).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking CHECKOUT_STARTED', error);
});
},
sendIdentityEvent: function(email){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.identify({
type: 'EMAIL',
value: email
});
},
sendPurchased: function (order){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('PURCHASED', {
order: order
}).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking PURCHASED', error);
});
},
sendCategoryViewed: function (category){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('PRODUCT_CATEGORY_VIEWED', category).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking PRODUCT_CATEGORY_VIEWED', error);
});
},
sendSearchSubmitted: function (search){
if(!this.isPixelSDKReady()) return;
window.$mcSite.pixel.api.track('SEARCH_SUBMITTED', search).catch((error)=> {
console.error('Mailchimp Pixel: Error tracking SEARCH_SUBMITTED', error);
});
},
findProductById: function (productId){
if(!window.mcPixel||!window.mcPixel.data||!window.mcPixel.data.products){
return null;
}
const products=window.mcPixel.data.products;
const id=String(productId);
for (let i=0; i < products.length; i++){
if(String(products[i].id)===id){
return products[i];
}}
return null;
},
fetchAndTrackAddToCart: function (){
var self=this;
if(!this.isPixelSDKReady()) return;
clearTimeout(this._atcTimer);
this._atcTimer=setTimeout(function (){
self._drainAddToCartQueue();
}, 600);
},
_drainAddToCartQueue: async function (){
if(this._atcFetching) return;
this._atcFetching=true;
try {
var res=await fetch(this.getRestBase() + 'pixel/atc', {
method: 'GET',
credentials: 'same-origin',
headers: { 'Accept': 'application/json' },
});
if(!res.ok) return;
var data=await res.json();
if(!data) return;
var items=Array.isArray(data) ? data:[data];
for (var i=0; i < items.length; i++){
this.sendProductAddedToCart(items[i]);
}} catch (e){
} finally {
this._atcFetching=false;
}},
fetchAndTrackRemoveFromCart: function (){
var self=this;
if(!this.isPixelSDKReady()) return;
clearTimeout(this._rfcTimer);
this._rfcTimer=setTimeout(function (){
self._drainRemoveFromCartQueue();
}, 600);
},
_drainRemoveFromCartQueue: async function (){
if(this._rfcFetching) return;
this._rfcFetching=true;
try {
var res=await fetch(this.getRestBase() + 'pixel/rfc', {
method: 'GET',
credentials: 'same-origin',
headers: { 'Accept': 'application/json' },
});
if(!res.ok) return;
var data=await res.json();
if(!data) return;
var items=Array.isArray(data) ? data:[data];
for (var i=0; i < items.length; i++){
this.sendProductRemovedFromCart(items[i]);
}} catch (e){
} finally {
this._rfcFetching=false;
}},
attachCartEventListeners: function (){
const self=this;
$(document.body).on('added_to_cart', function (){
self.fetchAndTrackAddToCart();
});
$(document.body).on('removed_from_cart', function (){
self.fetchAndTrackRemoveFromCart();
});
document.body.addEventListener('wc-blocks_added_to_cart', function (){
self.fetchAndTrackAddToCart();
});
document.body.addEventListener('wc-blocks_removed_from_cart', function (){
self.fetchAndTrackRemoveFromCart();
});
},
interceptStoreApiRequests: function (){
const self=this;
const originalFetch=window.fetch;
window.fetch=function (input, init){
var promise=originalFetch.apply(this, arguments);
promise.then(function (response){
try {
if(!response.ok) return;
var method=(init&&init.method) ? init.method.toUpperCase() :
(input instanceof Request ? input.method.toUpperCase():'GET');
if(method!=='POST') return;
var url=typeof input==='string' ? input :
(input instanceof Request ? input.url:String(input));
if(/wc\/store\/v1\/cart\/add-item/.test(url)||/wc\/store\/v1\/cart\/update-item/.test(url)){
self.fetchAndTrackAddToCart();
}else if(/wc\/store\/v1\/cart\/remove-item/.test(url)){
self.fetchAndTrackRemoveFromCart();
}} catch (e){
}}).catch(function (){
});
return promise;
};},
};
$(document).ready(function (){
MailchimpPixelTracking.init();
});
})(jQuery);
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