From 842c4f0e06ff7220c4f5e982973833489ed70930 Mon Sep 17 00:00:00 2001
From: Pedro Lopez <pedroslopez@me.com>
Date: Sun, 29 Mar 2020 22:58:08 -0400
Subject: [PATCH] feat: check if ID is a valid whatsapp user

close #120
---
 src/Client.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Client.js b/src/Client.js
index 0141cd5..a6985db 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -507,6 +507,17 @@ class Client extends EventEmitter {
         });
     }
 
+    /**
+     * Check if a given ID is registered in whatsapp
+     * @returns {Promise<Boolean>}
+     */
+    async isRegisteredUser(id) {
+        return await this.pupPage.evaluate(async (id) => {
+            let result = await window.Store.Wap.queryExist(id);
+            return result.jid !== undefined;
+        }, id);
+    }
+
 }
 
 module.exports = Client;