From 780f06338510329baea026b7f6ac30723a1d184a Mon Sep 17 00:00:00 2001
From: "George T. Gougoudis" <george_gougoudis@hotmail.com>
Date: Mon, 25 Jun 2018 18:21:38 +0300
Subject: [PATCH 1/2] Enforce event names and cache EventEmitter instaces

---
 src/index.ts | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index daefb5c..2efc58e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,13 +18,20 @@ export interface IEvent<T> {
     subscribe(callback: EventCallback<T>): IDisposable
 }
 
+const eventsCache: { [k:string]: EventEmitter} = {};
+
 export class Event<T> implements IEvent<T> {
 
     private _name: string
-    private _eventObject: EventEmitter = new EventEmitter()
+    private _eventObject: EventEmitter
 
-    constructor(name?: string) {
-        this._name = name || "default_event"
+    constructor(name: string) {
+        if (!(name in eventsCache)) {
+            eventsCache[name] = new EventEmitter();
+            eventsCache[name].setMaxListeners(100);
+        }
+        this._eventObject = eventsCache[name];
+        this._name = name;
     }
 
     public subscribe(callback: EventCallback<T>): IDisposable {

From 6da49e4d259fe6da23eaa3952561efc860b510ae Mon Sep 17 00:00:00 2001
From: "George T. Gougoudis" <george_gougoudis@hotmail.com>
Date: Mon, 25 Jun 2018 21:25:25 +0300
Subject: [PATCH 2/2] Change to map and follow original code style

---
 src/index.ts | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 2efc58e..791b568 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,7 +18,7 @@ export interface IEvent<T> {
     subscribe(callback: EventCallback<T>): IDisposable
 }
 
-const eventsCache: { [k:string]: EventEmitter} = {};
+const eventsCache = new Map<string, EventEmitter>()
 
 export class Event<T> implements IEvent<T> {
 
@@ -26,17 +26,18 @@ export class Event<T> implements IEvent<T> {
     private _eventObject: EventEmitter
 
     constructor(name: string) {
-        if (!(name in eventsCache)) {
-            eventsCache[name] = new EventEmitter();
-            eventsCache[name].setMaxListeners(100);
+        this._name = name
+        if (!eventsCache.has(name)) {
+            let emitter = new EventEmitter()
+            emitter.setMaxListeners(100)
+            eventsCache.set(name, emitter)
         }
-        this._eventObject = eventsCache[name];
-        this._name = name;
+        this._eventObject = eventsCache.get(name)!
     }
 
     public subscribe(callback: EventCallback<T>): IDisposable {
         this._eventObject.addListener(this._name, callback)
-
+        
         const dispose = () => {
             this._eventObject.removeListener(this._name, callback)
         }