defaults

public/buyModal.js

@@ -7,16 +7,24 @@ const CATEGORY_CONFIG = {
   // Add more categories as needed
 };
 
+
 // --- Get URL parameters as an object ---
 function getUrlParams() {
   return Object.fromEntries(new URLSearchParams(window.location.search).entries());
 }
 
-// --- Add UTM fields to form ---
+// --- Add UTM fields to form with defaults ---
 function addUtmFields(form) {
   const utmParams = ["utm_source", "utm_medium", "utm_campaign", "utm_term", "utm_content"];
   const urlParams = getUrlParams();
 
+  // Define default values
+  const defaults = {
+    utm_source: "homepage",
+    utm_medium: "direct",
+    utm_campaign: "none"
+  };
+
   utmParams.forEach(param => {
     let input = form.querySelector(`input[name="${param}"]`);
     if (!input) {
@@ -25,7 +33,8 @@ function addUtmFields(form) {
       input.name = param;
       form.appendChild(input);
     }
-    input.value = urlParams[param] || "";
+    // Use URL param if exists, otherwise fallback to default, else empty string
+    input.value = urlParams[param] || defaults[param] || "";
   });
 }