A lot of little changes everywhere. Sorry...

src/lib/ae_stores.ts

@@ -189,6 +189,9 @@ ae_api_data_struct['headers'] = ae_api_headers;
 console.log(`AE Stores - API Data:`, ae_api_data_struct);
 export let ae_api = writable(ae_api_data_struct);
 
+// *** BEGIN *** Trigger to update the slct variables and other things.
+let ae_trig_template: key_val = {};
+export let ae_trig = writable(ae_trig_template);
 
 /* *** BEGIN *** Initialize slct_trigger and slct variables. The slct variable can be stored with local storage. */
 // Updated 2024-02-27

src/lib/ae_utils.ts

@@ -405,10 +405,39 @@ export let process_permission_checks = function process_permission_checks(access
 }
 
 
+// This function will update the URL and send a message to the parent window (iframe).
+// The name should be something like "example_id".
+// Svelte specific:
+// WARNING: Avoid using `history.pushState(...)` and `history.replaceState(...)` as these will conflict with SvelteKit's router. Use the `pushState` and `replaceState` imports from `$app/navigation` instead.
+// Updated 2024-03-02
+function handle_url_and_message(name: string, value: null|string) {
+    console.log(`*** handle_url_and_message() *** name=${name} value=${value}`);
+
+    if (value) {
+        let location = window.location.href;
+        const url = new URL(location);
+        url.searchParams.set(name, value);
+        history.pushState({}, '', url);
+
+        let message = {name: value};
+        window.parent.postMessage(message, "*");
+    } else {
+        let location = window.location.href;
+        const url = new URL(location);
+        url.searchParams.delete(name);
+        history.pushState({}, '', url);
+
+        let message = {name: null};
+        window.parent.postMessage(message, "*");
+    }
+    // console.log('Message sent to parent (iframe):', message);
+}
+
 
 export let ae_util = {
     iso_datetime_formatter: iso_datetime_formatter,
     extract_prefixed_form_data: extract_prefixed_form_data,
     process_permission_checks: process_permission_checks,
+    handle_url_and_message: handle_url_and_message,
 };
 // export default ae_util;