Merge pull request #172 from RobinCK/refactoring-watch-example

Refactoring watch example

Author: k8s-ci-robot

examples/typescript/watch/watch-example.ts

@@ -1,30 +1,29 @@
-import k8s = require('@kubernetes/client-node');
+import * as k8s from '@kubernetes/client-node';
 
-let kc = new k8s.KubeConfig();
+const kc = new k8s.KubeConfig();
 kc.loadFromDefault();
 
-let watch = new k8s.Watch(kc);
-let req = watch.watch('/api/v1/namespaces',
+const watch = new k8s.Watch(kc);
+const req = watch.watch('/api/v1/namespaces',
     // optional query parameters can go here.
-    {}, 
+    {},
     // callback is called for each received object.
     (type, obj) => {
-        if (type == 'ADDED') {
+        if (type === 'ADDED') {
             console.log('new object:');
-        } else if (type == 'MODIFIED') {
-            console.log('changed object:')
-        } else if (type == 'DELETED') {
+        } else if (type === 'MODIFIED') {
+            console.log('changed object:');
+        } else if (type === 'DELETED') {
             console.log('deleted object:');
         } else {
             console.log('unknown type: ' + type);
         }
+
         console.log(obj);
     },
     // done callback is called if the watch terminates normally
     (err) => {
-        if (err) {
-            console.log(err);
-        }
+        console.log(err);
     });
 
 // watch returns a request object which you can use to abort the watch.