generic broadcaster service

src/abstractions/broadcaster.service.ts

@@ -0,0 +1,5 @@
+export abstract class BroadcasterService {
+    send: (message: any, id?: string) => void;
+    subscribe: (id: string, messageCallback: (message: any) => any) => void;
+    unsubscribe: (id: string) => void;
+}

src/angular/services/broadcaster.service.ts

@@ -1,33 +1,7 @@
 import { Injectable } from '@angular/core';
 
+import { BroadcasterService as BaseBroadcasterService } from '../../services/broadcaster.service';
+
 @Injectable()
-export class BroadcasterService {
-    subscribers: Map<string, (message: any) => any> = new Map<string, (message: any) => any>();
-
-    send(message: any, id?: string) {
-        if (id != null) {
-            if (this.subscribers.has(id)) {
-                this.subscribers.get(id)(message);
-            }
-            return;
-        }
-
-        this.subscribers.forEach((value) => {
-            value(message);
-        });
-    }
-
-    subscribe(id: string, messageCallback: (message: any) => any) {
-        if (this.subscribers.has(id)) {
-            return;
-        }
-
-        this.subscribers.set(id, messageCallback);
-    }
-
-    unsubscribe(id: string) {
-        if (this.subscribers.has(id)) {
-            this.subscribers.delete(id);
-        }
-    }
+export class BroadcasterService extends BaseBroadcasterService {
 }

src/services/broadcaster.service.ts

@@ -0,0 +1,32 @@
+import { BroadcasterService as BroadcasterServiceAbstraction } from '../abstractions/broadcaster.service';
+
+export class BroadcasterService implements BroadcasterServiceAbstraction {
+    subscribers: Map<string, (message: any) => any> = new Map<string, (message: any) => any>();
+
+    send(message: any, id?: string) {
+        if (id != null) {
+            if (this.subscribers.has(id)) {
+                this.subscribers.get(id)(message);
+            }
+            return;
+        }
+
+        this.subscribers.forEach((value) => {
+            value(message);
+        });
+    }
+
+    subscribe(id: string, messageCallback: (message: any) => any) {
+        if (this.subscribers.has(id)) {
+            return;
+        }
+
+        this.subscribers.set(id, messageCallback);
+    }
+
+    unsubscribe(id: string) {
+        if (this.subscribers.has(id)) {
+            this.subscribers.delete(id);
+        }
+    }
+}