From ebadd1e019f1a6882d10e45b59ea8eaeaa4591bd Mon Sep 17 00:00:00 2001
From: Vivek <vivekraj78965.vr@gmail.com>
Date: Mon, 1 Aug 2022 17:42:47 +0530
Subject: [PATCH] event and EventEmitter in node js

---
 event.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 event.js

diff --git a/event.js b/event.js
new file mode 100644
index 0000000..debee80
--- /dev/null
+++ b/event.js
@@ -0,0 +1,32 @@
+//counting how many times the API is called using EventEmmiter
+
+const express = require('express');
+const EventEmitter = require('events');
+const app = express();
+const event = new EventEmitter();
+let count =0;
+
+
+app.get('/' , (req , res)=>{
+    res.send('api called');
+    event.emit("countAPI");    //generating/triggering an event having name "countAPI"
+});
+
+app.get('/search' , (req , res)=>{
+    res.send('search api called');
+    event.emit("countAPI");  
+});
+
+app.get('/update' , (req , res)=>{
+    res.send('update api called');
+    event.emit("countAPI");  
+});
+
+//handelling the generated event
+event.on("countAPI" , ()=>{
+    count++;
+    console.log("event called" , count);
+})
+ 
+
+app.listen(8000);
\ No newline at end of file