add config file for pushSubscription object

PushMessageFromServer.js

@@ -2,6 +2,7 @@
 // https://felixgerschau.com/web-push-notifications-tutorial/
 // https://developers.google.com/web/fundamentals/codelabs/push-notifications
 const webPush = require('web-push');
+const pushSubscription = require('./pushSubscription.json')
 
 // VAPID keys should be generated only once with: 
 // const vapidKeys = webPush.generateVAPIDKeys();
@@ -18,16 +19,7 @@ webPush.setVapidDetails(
   vapidKeys.privateKey
 );
 
-// This is an sample subscription object that we get after subscript on browser
-const pushSubscription =
-{
-  "endpoint": "",
-  "expirationTime": null,
-  "keys": {
-    "p256dh": "",
-    "auth": ""
-  }
-}
+// pushSubscription is an sample subscription object that we get after subscript on browser
 
 const payload = {
   title: `Hello at ${(new Date()).toISOString()}`,

README.md

@@ -10,7 +10,7 @@
 
 
 # Send push notification from a server
-- Set a push subscription object that we get after a user's subscribed web push in `PushMessageFromServer.js`
+- Set a push subscription object that we get after a user's subscribed web push in `pushSubscription.json`
 - Then execute the following command:
   ```sh
   $ node PushMessageFromServer.js

pushSubscription.json

@@ -0,0 +1,8 @@
+{
+  "endpoint": "https://fcm.googleapis.com/fcm/send/dDEsIVpevRQ:APA91bFG6umABbc7IVuCQqc2TNx0Ramrnm0hnLr7CWsgr52AeJh7OPwOUoLMrv3sK8WmwEgsfpgH3kXrEKzOj5fMG5cWpFd_ZyocQhqe6Gt5vy1cPXEPe01grF1IL-bqxQRVDqhm-6e-",
+  "expirationTime": null,
+  "keys": {
+    "p256dh": "BC_wvLFfABtfoqusJKwsNqJAyDz-rIvAIg9YfB_z7lemXNFkzBLeLd9PTKGbeQTTflYqLZvIiT-lZHsA7BHZUDo",
+    "auth": "LigA_xph0Wlygf0WkYq_gA"
+  }
+}