report update errors

Author: Lyeeedar

electron/preload/index.ts

@@ -43,6 +43,11 @@ const electronAPI: ElectronAPI = {
     ipcRenderer.on('update-downloaded', listener);
     return () => { ipcRenderer.removeListener('update-downloaded', listener); };
   },
+  onUpdateError: (callback: (info: { message: string }) => void) => {
+    const listener = (_event: Electron.IpcRendererEvent, info: { message: string }) => callback(info);
+    ipcRenderer.on('update-error', listener);
+    return () => { ipcRenderer.removeListener('update-error', listener); };
+  },
   checkForUpdates: () => ipcRenderer.invoke('check-for-updates'),
   downloadUpdate: () => ipcRenderer.invoke('download-update'),
   installUpdate: () => ipcRenderer.invoke('install-update'),

src/components/UpdateNotification.tsx

@@ -4,6 +4,7 @@ type UpdateState =
   | { status: 'idle' }
   | { status: 'available'; version: string }
   | { status: 'downloading'; percent: number }
+  | { status: 'error'; message: string }
   | { status: 'ready' };
 
 export const UpdateNotification: React.FC = () => {
@@ -24,10 +25,15 @@ export const UpdateNotification: React.FC = () => {
       setState({ status: 'ready' });
     });
 
+    const unsubError = window.electronAPI.onUpdateError((info) => {
+      setState({ status: 'error', message: info.message });
+    });
+
     return () => {
       unsubAvailable();
       unsubProgress();
       unsubDownloaded();
+      unsubError();
     };
   }, []);
 
@@ -73,6 +79,18 @@ export const UpdateNotification: React.FC = () => {
         </>
       )}
 
+      {state.status === 'error' && (
+        <>
+          <span className="update-text">Update failed: {state.message}</span>
+          <button
+            className="update-btn update-btn-dismiss"
+            onClick={() => setDismissed(true)}
+          >
+            Dismiss
+          </button>
+        </>
+      )}
+
       {state.status === 'ready' && (
         <>
           <span className="update-text">Update ready to install</span>

src/types.ts

@@ -98,6 +98,7 @@ export interface ElectronAPI {
   onUpdateAvailable: (callback: (info: { version: string; releaseNotes?: string }) => void) => () => void;
   onUpdateDownloadProgress: (callback: (info: { percent: number }) => void) => () => void;
   onUpdateDownloaded: (callback: () => void) => () => void;
+  onUpdateError: (callback: (info: { message: string }) => void) => () => void;
   checkForUpdates: () => Promise<void>;
   downloadUpdate: () => Promise<void>;
   installUpdate: () => Promise<void>;