From 29b64519ab056f3ccdc716258b257c156dce566d Mon Sep 17 00:00:00 2001
From: Sal Hernandez <s.hernandez5400@gmail.com>
Date: Tue, 1 Aug 2017 18:49:30 -0400
Subject: [PATCH 1/2] add 'removeListener' method to have a way to remove the
 NFC listener

---
 index.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 886b433..cfe1b1f 100644
--- a/index.js
+++ b/index.js
@@ -13,14 +13,14 @@ export const NdefRecordType = {
     MIME : "MIME"
 };
 
-
+const NFC_DISCOVERED = '__NFC_DISCOVERED';
 let _registeredToEvents = false;
 const _listeners = [];
 
 let _registerToEvents = () => {
     if(!_registeredToEvents){
         NativeModules.ReactNativeNFC.getStartUpNfcData(_notifyListeners);
-        DeviceEventEmitter.addListener('__NFC_DISCOVERED', _notifyListeners);
+        DeviceEventEmitter.addListener(NFC_DISCOVERED, _notifyListeners);
         _registeredToEvents = true;
     }
 };
@@ -40,4 +40,9 @@ NFC.addListener = (callback) => {
     _registerToEvents();
 };
 
-export default NFC;
\ No newline at end of file
+NFC.removeListener = () => {
+    DeviceEventEmitter.removeListener(NFC_DISCOVERED);
+    _listeners.splice(0, _listeners.length);
+    _registeredToEvents = false;
+};
+export default NFC;

From 61ebbba78a9f825704ecb01d41c4d0a150d28958 Mon Sep 17 00:00:00 2001
From: Sal Hernandez <s.hernandez5400@gmail.com>
Date: Tue, 8 Aug 2017 02:09:35 -0400
Subject: [PATCH 2/2] implement a way to be able to remove a specified
 listener, add removeAllListeners method

---
 index.js | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/index.js b/index.js
index cfe1b1f..27eb749 100644
--- a/index.js
+++ b/index.js
@@ -15,7 +15,7 @@ export const NdefRecordType = {
 
 const NFC_DISCOVERED = '__NFC_DISCOVERED';
 let _registeredToEvents = false;
-const _listeners = [];
+let _listeners = {};
 
 let _registerToEvents = () => {
     if(!_registeredToEvents){
@@ -27,22 +27,27 @@ let _registerToEvents = () => {
 
 let _notifyListeners = (data) => {
     if(data){
-        for(let i in _listeners){
-            _listeners[i](data);
+        for(let _listener in _listeners){
+            _listeners[_listener](data);
         }
     }
 };
 
 const NFC = {};
 
-NFC.addListener = (callback) => {
-    _listeners.push(callback);
+NFC.addListener = (name, callback) => {
+    _listeners[name] = callback;
     _registerToEvents();
 };
 
-NFC.removeListener = () => {
-    DeviceEventEmitter.removeListener(NFC_DISCOVERED);
-    _listeners.splice(0, _listeners.length);
+NFC.removeListener = (name) => {
+    delete _listeners[name];
+};
+
+NFC.removeAllListeners = () => {
+    DeviceEventEmitter.removeAllListeners(NFC_DISCOVERED);
+    _listeners = {};
     _registeredToEvents = false;
 };
-export default NFC;
+
+export default NFC;
\ No newline at end of file