Don't auto close on missing scale. Show dialog window for new update.

Author: shawley33

main.js

@@ -1,7 +1,7 @@
 const { autoUpdater } = require( 'electron-updater' );
 const log             = require( 'electron-log' );
 
-const { BrowserWindow, app, Notification } = require( 'electron' );
+const { BrowserWindow, app, Notification, dialog } = require( 'electron' );
 const { SerialPort }         = require( 'serialport' );
 const { ReadlineParser }     = require( '@serialport/parser-readline' );
 const path                   = require( 'path' );
@@ -118,7 +118,7 @@ async function initSerialPort(){
 	} )
 
 	if(!scalePort) {
-	  closeWindow( "Couldn't find a scale."  );
+	  // closeWindow( "Couldn't find a scale."  );
 	  log.error( "Couldn't find a scale." );
 	  return;
 	}
@@ -200,10 +200,24 @@ function createWindow(){
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.
 app.on( 'ready', function(){
-  autoUpdater.checkForUpdatesAndNotify();
+  autoUpdater.checkForUpdates();
   createWindow();
 } );
 
+autoUpdater.on('update-available', () => {
+  dialog.showMessageBox({
+	type: 'info',
+	title: 'New Update Available',
+	message: 'A new version of the application is available.',
+	buttons: ['Download Now']
+  }, (response) => {
+	if (response === 0) {
+	  autoUpdater.downloadUpdate().then( r => autoUpdater.quitAndInstall() );
+	}
+  });
+});
+
+
 // Quit when all windows are closed.
 app.on( 'window-all-closed', function(){
   // On OS X it is common for applications and their menu bar

package.json

@@ -1,7 +1,7 @@
 {
   "name": "scale-serialreader",
   "productName": "ScaleSerialReader",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "An Electron application with node serialport that streams data from a serial-usb to a website.",
   "author": "Steven Hawley",
   "main": "main.js",
@@ -14,7 +14,8 @@
     "pack": "electron-builder --dir",
     "dist": "electron-builder",
     "build-mac": "npm install && npm run postinstall-mac && npm run rebuild",
-    "publish": "electron-builder -p always"
+    "publish": "electron-builder -p always",
+    "postinstall": "electron-builder install-app-deps"
   },
   "keywords": [
     "Electron",