fix(vscode): fix preventing multiple panel issues (webview is disposed)

Author: ytaek

packages/vscode/src/extension.ts

@@ -34,7 +34,7 @@ export async function activate(context: vscode.ExtensionContext) {
 
   const disposable = vscode.commands.registerCommand(COMMAND_LAUNCH, async () => {
     try {
-      console.debug("current Panel = ", currentPanel);
+      console.debug("current Panel = ", currentPanel, currentPanel?.onDidDispose);
       if (currentPanel) {
         currentPanel.reveal();
         return;
@@ -97,6 +97,14 @@ export async function activate(context: vscode.ExtensionContext) {
       });
       currentPanel = webLoader.getPanel();
 
+      currentPanel?.onDidDispose(
+        () => {
+          currentPanel = undefined;
+        },
+        null,
+        context.subscriptions
+      );
+
       subscriptions.push(webLoader);
       vscode.window.showInformationMessage("Hello Githru");
     } catch (error) {