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Set utm_source hiddedn field with the ECID value when no source #1014

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Set utm_source hiddedn field with the ECID value when no source #1014

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72687a1
Set utm_source hiddedn field with the ECID value when no source
Jan 6, 2026
08031b9
Fix issue
Jan 7, 2026
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48 changes: 33 additions & 15 deletions blocks/form/utm.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
// eslint-disable-next-line import/no-unresolved
import { fetchPlaceholders } from '../../../../../../../scripts/aem.js';

const createUtmInput = (name, value, form) => {
const input = document.createElement('input');
Expand All @@ -9,13 +8,33 @@
form.appendChild(input);
};

/* eslint-disable no-else-return, no-undef */
async function getECID() {
if (typeof alloy === 'function') {
try {
const result = await alloy('getIdentity');
if (result && result.identity && result.identity.ECID) {
return result.identity.ECID;
} else {
console.warn('Alloy returned no ECID. Check your configuration.');

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}
} catch (error) {
console.error('Error getting ECID:', error);

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}
} else {
console.error('Alloy.js is not available on this page.');

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}
return null;
}
/* eslint-enable no-else-return, no-undef */

export default async function decorateUTM(form) {
const placeholders = await fetchPlaceholders('/forms/utm-sources');
const utmSources = placeholders ? Object.values(placeholders).join(',') : null;
const utmParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content'];
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
utmParams.forEach((item) => {
let hasMediium = false;
for (let i = 0; i < utmParams.length; i += 1) {
const item = utmParams[i];
let utmValue = urlParams.get(item);
const now = new Date();
const minutes = 30;
Expand All @@ -25,22 +44,21 @@
if (utmValue != null && utmValue !== '') {
createUtmInput(item, utmValue, form);
document.cookie = `${item}=${utmValue}; path=/; expires=${now.toUTCString()}`;
hasMediium = item === 'utm_medium' ? true : hasMediium;
} else if (document.cookie.split('; ').find((row) => row.startsWith(`${item}=`))) {
// eslint-disable-next-line prefer-destructuring
utmValue = document.cookie.split('; ')
.find((row) => row.startsWith(`${item}=`))
.split('=')[1];
createUtmInput(item, utmValue, form); // Create input dynamically using cookie value
} else if (item === 'utm_medium' || item === 'utm_source') {
// Check if utm_medium or utm_source can be determined from the referrer
if (utmSources && document.referrer) {
const url = document.referrer.match(/:\/\/(.[^/]+)/)[1];
if (utmSources.includes(url)) {
utmValue = item === 'utm_medium' ? 'organic' : document.referrer;
document.cookie = `${item}=${utmValue}; path=/; expires=${now.toUTCString()}`;
createUtmInput(item, utmValue, form); // Create input dynamically from referrer
}
}
hasMediium = item === 'utm_medium' ? true : hasMediium;
}
}

if (!hasMediium) {
const ecid = await getECID();
if (ecid) {
createUtmInput('utm_content', ecid, form);
}
});
}
}