Do not use asar since this doesn't work with open which leverages the…

… exec call

app/lib/index.js

@@ -7,6 +7,7 @@ const open = require('open');
 
 const Tray = electron.Tray;
 const Menu = electron.Menu;
+let shouldQuit = false;
 
 const app = electron.app;
 app.on('ready', () => {
@@ -32,30 +33,43 @@ app.on('ready', () => {
       window.focus();
     }
   });
-  tray.setContextMenu(new Menu.buildFromTemplate([
-    {
-      label: 'Open',
-      click: () => {
-        window.show();
+  tray.setContextMenu(new Menu.buildFromTemplate(
+    [
+      {
+        label: 'Refresh',
+        click: () => {
+          window.show();
+          window.reload();
+        }
+      },
+      {
+        label: 'Quit',
+        click: () => {
+          shouldQuit = true;
+          app.quit();
+        }
       }
-    },
-    {
-      label: 'Refresh',
-      click: () => {
-        window.show();
-        window.reload();
-      }
-    },
-    {
-      label: 'Quit',
-      click: app.quit
+    ]
+  ));
+
+  window.on('close',  (event) => {
+    if (!shouldQuit) {
+      event.preventDefault();
+      window.hide();
+    } else {
+      app.quit();
     }
-  ]));
+  });
 
   window.webContents.on('new-window', (event, url) => {
     event.preventDefault();
-    open(url);
+    open(url, (err, stdout, stderr) => {
+      if (err) {
+        console.error(`exec error: ${err}`);
+      }
+    });
   });
+
   window.webContents.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36');
   window.loadURL('https://teams.microsoft.com/');
 });

app/package.json

@@ -3,5 +3,8 @@
   "version": "0.0.2",
   "description": "Microsoft Teams for Linux",
   "main": "lib/index.js",
-  "author": "Ivelin Velkov <[email protected]>"
+  "author": "Ivelin Velkov <[email protected]>",
+  "dependencies": {
+    "open": "0.0.5"
+  }
 }

package.json

@@ -24,6 +24,7 @@
   },
   "build": {
     "appId": "teams-for-linux",
+    "asar": false,
     "linux": {
       "category": "Network",
       "executableName": "teams",
@@ -34,7 +35,5 @@
       ]
     }
   },
-  "dependencies": {
-    "open": "0.0.5"
-  }
+  "dependencies": {}
 }