Show error message if configuration is invalid

app/config/index.js

@@ -5,15 +5,17 @@ const { LucidLog } = require('lucid-log');
 let logger;
 
 function getConfigFile(configPath) {
-	try {
-		return require(path.join(configPath, 'config.json'));
-	} catch (e) {
-		return null;
-	}
+	return require(path.join(configPath, 'config.json'));
 }
 
 function argv(configPath, appVersion) {
-	let configFile = getConfigFile(configPath);
+	let configFile = null;
+	let configError = null;
+	try {
+		configFile = getConfigFile(configPath);
+	} catch (e) {
+		configError = e.message;
+	}
 	const missingConfig = configFile == null;
 	configFile = configFile || {};
 	let config = yargs
@@ -268,6 +270,9 @@ function argv(configPath, appVersion) {
 		})
 		.parse(process.argv.slice(1));
 
+	if (configError) {
+		config['error'] = configError;
+	}
 	logger = new LucidLog({
 		levels: config.appLogLevels.split(',')
 	});

app/index.js

@@ -1,4 +1,4 @@
-const { app, ipcMain, desktopCapturer, systemPreferences, powerMonitor, Notification, nativeImage } = require('electron');
+const { app, dialog, ipcMain, desktopCapturer, systemPreferences, powerMonitor, Notification, nativeImage } = require('electron');
 const path = require('path');
 const fs = require('fs');
 const { LucidLog } = require('lucid-log');
@@ -217,6 +217,11 @@ function onAppTerminated(signal) {
 }
 
 function handleAppReady() {
+	// check for configuration errors
+	if (config.error) {
+		dialog.showErrorBox('Configuration error', config.error);
+	}
+
 	if (config.isCustomBackgroundEnabled) {
 		downloadCustomBGServiceRemoteConfig();
 	}

com.github.IsmaelMartinez.teams_for_linux.appdata.xml

@@ -14,6 +14,13 @@
 	<url type="bugtracker">https://github.com/IsmaelMartinez/teams-for-linux/issues</url>
 	<launchable type="desktop-id">com.github.IsmaelMartinez.teams_for_linux.desktop</launchable>
 	<releases>
+		<release version="1.4.38" date="2024-05-06">
+			<description>
+				<ul>
+					<li>Show error message if configuration is invalid</li>
+        </ul>
+			</description>
+		</release>
 		<release version="1.4.37" date="2024-05-04">
 			<description>
 				<ul>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "teams-for-linux",
-  "version": "1.4.37",
+  "version": "1.4.38",
   "main": "app/index.js",
   "description": "Unofficial client for Microsoft Teams for Linux",
   "homepage": "https://github.com/IsmaelMartinez/teams-for-linux",