Capture as UTMs em querystrings para formulários do Elementor Pro

gistfile1.txt

<script>
// Cole este código no Custom Code do Elementor e deixe para rodar no HEAD
// Em seguinda crie os campos ocultos para todas as UTMs: 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content'
// Confire o Request Parameter de cada campo para pegar a propria utm 

	// We are waiting for the full page to load before loading this feature. This prevents a few bugs.
	window.addEventListener('load', function () {
		var queryForm = function(settings) {
			// Parsing URL
			var reset = settings && settings.reset ? settings.reset : false;
			var self = window.location.toString();
			var querystring = self.split('?');

			// Checking for parameters in the URL
			if (querystring.length > 1) {
				var pairs = querystring[1].split('&');
				// Iterating through all key-value pairs
				for (var i in pairs) {
					var keyval = pairs[i].split('=');
					// Condition to only save 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content' in cookies
					if (reset || sessionStorage.getItem(keyval[0]) === null) {
						if (['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content'].includes(keyval[0])) {
							const d = new Date();
							// Setting cookie expiration time to 14 days
							d.setTime(d.getTime() + (14 * 24 * 60 * 60 * 1000));
							let expires = 'expires=' + d.toUTCString();
							// Setting the cookie
							document.cookie = keyval[0] + '=' + keyval[1] + ';' + expires + ';path=/';
						}
					}
				}
			}

			// Function to get the value of a cookie by its name
			function getCookie(cname) {
				let name = cname + '=';
				let ca = document.cookie.split(';');
				for(let i = 0; i < ca.length; i++) {
					let c = ca[i];
					while (c.charAt(0) == ' ') {
						c = c.substring(1);
					}
					if (c.indexOf(name) == 0) {
						return c.substring(name.length, c.length);
					}
				}
				return '';
			}
				
			// Finding all hidden fields and text input fields in the form
			var hiddenFields = document.querySelectorAll('input[type=hidden], input[type=text]');

			// Iterating through all found fields
			for (var i=0; i < hiddenFields.length; i++) {

				var elementor_field_name = hiddenFields[i].name;
				var elementor_field_name_clean = elementor_field_name.match(/\[(.*?)\]/);

				if(elementor_field_name_clean) {
					// Getting the cookie value for the corresponding parameter
					var param = getCookie(elementor_field_name_clean[1]);
				}

				// If a corresponding parameter is found in the cookies, populate the field
				if(param) {
					 document.getElementsByName(hiddenFields[i].name)[0].value = param;
				}
			}
		}
		setTimeout(function() {
			queryForm();
		}, 3000);
	})
</script>