fix multiple on close handler

Author: adlk

src/index.js

@@ -26,7 +26,6 @@ if (isWindows) {
 }
 
 // Force single window
-// if (process.platform !== 'darwin') {
 const isSecondInstance = app.makeSingleInstance(() => {
   console.log(mainWindow);
   console.log('isMinimized', mainWindow.isMinimized);
@@ -40,7 +39,6 @@ if (isSecondInstance) {
   app.exit();
 }
 
-// }
 
 // Initialize Settings
 const settings = new Settings();
@@ -89,9 +87,13 @@ const createWindow = async () => {
     // when you should delete the corresponding element.
     if (!willQuitApp && (settings.get('runInBackground') === undefined || settings.get('runInBackground'))) {
       e.preventDefault();
-      mainWindow.hide();
+      if (isWindows) {
+        mainWindow.minimize();
+      } else {
+        mainWindow.hide();
+      }
 
-      if (process.platform === 'win32') {
+      if (isWindows && settings.get('minimizeToSystemTray')) {
         mainWindow.setSkipTaskbar(true);
       }
     } else {
@@ -114,13 +116,6 @@ const createWindow = async () => {
     app.isMaximized = true;
   });
 
-  mainWindow.on('close', (e) => {
-    if (settings.get('minimizeToSystemTray') && settings.get('runInBackground')) {
-      e.preventDefault();
-      mainWindow.minimize();
-    }
-  });
-
   mainWindow.on('unmaximize', () => {
     app.isMaximized = false;
   });