Added uncaught exception handler + electron version bump

Fixes #389 hopefully

package.json

@@ -90,7 +90,7 @@
     "@typescript-eslint/eslint-plugin": "^4.2.0",
     "@typescript-eslint/parser": "^4.2.0",
     "css-loader": "^5.2.0",
-    "electron": "15.0.0",
+    "electron": "^15.3.3",
     "electron-builder": "^22.10.5",
     "eslint": "^7.18.0",
     "eslint-config-prettier": "^8.1.0",

src/main.ts

@@ -542,6 +542,41 @@ autoUpdater.on('download-progress', (progressObj: { percent: number }) => {
   mainWindow.setProgressBar(progressObj.percent / 100);
 });
 
+// Handling uncaught exceptions:
+process.on('uncaughtException', async (error) => {
+  console.error('Uncaught exception', error);
+
+  const errorMessage = `An unexpected error occurred. Please file a bug report if you think this needs fixing!\n${
+    error?.stack?.includes(error.message) ? '' : `${error.name}: ${error.message.slice(0, 200)}\n`
+  }\n${error.stack?.slice(0, 300)}`;
+
+  try {
+    if (mainWindow != null && !mainWindow.isDestroyed()) {
+      // Show a dialog prompting the user to either restart, continue on or quit
+      const dialogResult = await dialog.showMessageBox(mainWindow, {
+        type: 'error',
+        title: 'Unexpected error',
+        message: errorMessage,
+        buttons: ['Restart Allusion', 'Quit Allusion', 'Try to keep running'],
+      });
+      if (dialogResult.response === 0) {
+        forceRelaunch(); // Restart
+      } else if (dialogResult.response === 1) {
+        app.exit(0); // Quit
+      } else if (dialogResult.response === 2) {
+        // Keep running
+      }
+    } else {
+      // No main window, show a fallback dialog
+      dialog.showErrorBox('Unexpected error', errorMessage);
+      app.exit(1);
+    }
+  } catch (e) {
+    console.error('Could not show error dialog', e);
+    process.exit(1);
+  }
+});
+
 //---------------------------------------------------------------------------------//
 // Messaging: Sending and receiving messages between the main and renderer process //
 //---------------------------------------------------------------------------------//

yarn.lock

@@ -3303,10 +3303,10 @@ electron-updater@^4.3.8:
     lodash.isequal "^4.5.0"
     semver "^7.3.4"
 
-electron@15.0.0:
-  version "15.0.0"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-15.0.0.tgz#b1b6244b1cffddf348c27c54b1310b3a3680246e"
-  integrity sha512-LlBjN5nCJoC7EDrgfDQwEGSGSAo/o08nSP5uJxN2m+ZtNA69SxpnWv4yPgo1K08X/iQPoGhoZu6C8LYYlk1Dtg==
+electron@^15.3.3:
+  version "15.3.3"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-15.3.3.tgz#e66c6c6fbcd74641dbfafe5e101228d2b7734c7b"
+  integrity sha512-tr4UaMosN6+s8vSbx6OxqRXDTTCBjjJkmDMv0b0sg8f+cRFQeY0u7xYbULpXS4B1+hHJmdh7Nz40Qpv0bJXa6w==
   dependencies:
     "@electron/get" "^1.13.0"
     "@types/node" "^14.6.2"