Robustness.

Author: mrdoob

devtools/bridge.js

@@ -376,12 +376,16 @@ if (!window.__THREE_DEVTOOLS__) {
 		}
 		// Handle request for initial state from panel
 		else if ( message.name === 'request-initial-state' ) {
-			// console.log('DevTools: Received request-initial-state, resending objects...');
-			// Resend all known objects to the panel
-			devTools.objects.forEach( ( objectData ) => {
-				dispatchEvent('observe', objectData);
-			});
-			// console.log('DevTools: Finished resending objects.');
+			for (const observedRenderer of observedRenderers) {
+				const data = getObjectData(observedRenderer);
+				if (data) {
+					data.properties = getRendererProperties(observedRenderer);
+					dispatchEvent('renderer', data);
+				}
+			}
+			for (const observedScene of observedScenes) {
+				reloadSceneObjects(observedScene);
+			}
 		}
 	});
 

devtools/content-script.js

@@ -178,7 +178,9 @@ function handleBackgroundMessage( message, sender, sendResponse ) {
 	if ( message.name === 'request-initial-state' ) {
 
 		// console.log( 'Content script: Forwarding message to bridge:', message.name );
-		window.postMessage( message, '*' ); // Forward the message as is to the page
+		// Ensure the message has the correct ID before forwarding to the page
+		message.id = 'three-devtools';
+		window.postMessage( message, '*' ); // Forward the modified message to the page
 
 		// Optional: Forward to iframes too, if needed (might cause duplicates if bridge is in iframe)
 		/*

devtools/panel/panel.js

@@ -387,10 +387,6 @@ function renderObject(obj, container, level = 0) {
 function updateUI() {
 
 	const container = document.getElementById('scene-tree');
-	if (!container) {
-		console.error('Could not find scene-tree container!');
-		return;
-	}
 	container.innerHTML = '';
 
 	// Add version info if available