Modify daemon exit

Breeze.UI/main.ts

 const electron = require('electron');
+import "isomorphic-fetch";
 
 // Module to control application life.
 const app = electron.app;
@@ -86,16 +87,20 @@ app.on('ready', function () {
   }
 });
 
-app.on('before-quit', function () {
-  closeDeStreamApi();
-});
-
 // Quit when all windows are closed.
 app.on('window-all-closed', function () {
   // On OS X it is common for applications and their menu bar
   // to stay active until the user quits explicitly with Cmd + Q
   if (process.platform !== 'darwin') {
-    app.quit();
+      fetch('http://localhost:56864/api/node/shutdown', {
+          method: 'POST',
+          headers: {
+              'Accept': 'application/json',
+              'Content-Type': 'application/json'
+          }
+      })
+          .then(response => app.quit())
+          .catch(error => setTimeout(() => app.quit(), 5000));      
   }
 });
 
@@ -107,23 +112,6 @@ app.on('activate', function () {
   }
 });
 
-function closeDeStreamApi() {
-  // if (process.platform !== 'darwin' && !serve) {
-    if (process.platform !== 'darwin' && !serve) {
-    var http2 = require('http');
-    const options2 = {
-      hostname: 'localhost',
-      port: 56864,
-      path: '/api/node/shutdown',
-      method: 'POST'
-    };
-
-  const req = http2.request(options2, (res) => {});
-  req.write('');
-  req.end();
-  }
-};
-
 function startDeStreamApi() {
   var destreamProcess;
   const spawnDeStream = require('child_process').spawn;
@@ -147,7 +135,6 @@ function startDeStreamApi() {
       detached: false
     });
   }
-
   destreamProcess.stdout.on('data', (data) => {
     writeLog(`DeStream: ${data}`);
   });

Breeze.UI/package.json

@@ -58,6 +58,8 @@
     "core-js": "2.5.3",
     "electron-context-menu": "0.9.1",
     "enhanced-resolve": "3.4.1",
+    "es6-promise": "^4.2.5",
+    "isomorphic-fetch": "^2.2.1",
     "ngx-bootstrap": "2.0.0-beta.11",
     "ngx-clipboard": "9.0.0",
     "rxjs": "5.5.5",