move broadcaster to jslib

src/angular/services/broadcaster.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from '@angular/core';
+
+@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);
+        }
+    }
+}