Electron app opens if server is already open

Added logging to electron

backend/main.js

@@ -1,5 +1,6 @@
 const { app, BrowserWindow } = require('electron');
 const path = require('path');
+const elogger = require('electron-log');
 const { spawn } = require('child_process');
 
 let win;
@@ -44,6 +45,13 @@ function createMainWindow() {
   });
 }
 
+function loadPage() {
+    splashWindow.close()
+    // load the dist folder from Angular
+    win.loadURL('http://localhost:17442')
+    win.show()
+}
+
 function createWindow() {
   serverProcess = spawn('node', [path.join(__dirname, 'app.js')]);
 
@@ -53,10 +61,7 @@ function createWindow() {
   // Log the server output to the console
   serverProcess.stdout.on('data', (data) => {
     if (data.toString().includes('started on PORT')) {
-      splashWindow.close()
-      // load the dist folder from Angular
-      win.loadURL('http://localhost:17442')
-      win.show()
+      loadPage();
     }
     console.log(`Server output: ${data}`);
   });
@@ -64,6 +69,11 @@ function createWindow() {
   // Log any errors to the console
   serverProcess.stderr.on('data', (data) => {
     console.error(`Server error: ${data}`);
+    const error = data.toString();
+    if (error.includes('EADDRINUSE')) {
+      loadPage();
+    }
+    elogger.error(error);
   });
 
   process.on('uncaughtException', (error) => {

backend/package-lock.json

@@ -1842,6 +1842,11 @@
       "resolved": "https://registry.npmjs.org/electron-is-packaged/-/electron-is-packaged-1.0.2.tgz",
       "integrity": "sha512-JZpV9QgVsehop7tm3KDll2/iJ9K3e7mL+jm6E3gA96zurIhxv3FZ0kxJK0eGL9c3SYORU1rN+/q2Ia8/v62Pjw=="
     },
+    "electron-log": {
+      "version": "4.4.8",
+      "resolved": "https://registry.npmjs.org/electron-log/-/electron-log-4.4.8.tgz",
+      "integrity": "sha512-QQ4GvrXO+HkgqqEOYbi+DHL7hj5JM+nHi/j+qrN9zeeXVKy8ZABgbu4CnG+BBqDZ2+tbeq9tUC4DZfIWFU5AZA=="
+    },
     "electron-osx-sign": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/electron-osx-sign/-/electron-osx-sign-0.6.0.tgz",

backend/package.json

@@ -60,6 +60,7 @@
     "bcryptjs": "^2.4.0",
     "compression": "^1.7.4",
     "config": "^3.2.3",
+    "electron-log": "^4.4.8",
     "electron-root-path": "^1.1.0",
     "express": "^4.17.3",
     "feed": "^4.2.2",