ts-observer-pattern - npm Package Compare versions

Comparing version 1.0.1 to 2.0.0

package.json

 {
   "name": "ts-observer-pattern",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "description": "Interfaces to help working with the Observer Pattern",
@@ -5,0 +5,0 @@ "main": "index.ts",

Subject.ts

 import { Observer } from "./Observer"
-export interface Subject
+export abstract class Subject
 {
-    attach(Observer: Observer): this
-    detach(Observer: Observer): this
-    notify(data: any): this
+    protected observers: Observer[]
+
+    public attach(observer: Observer): this
+    {
+        this.observers.push(observer)
+        return this
+    }
+    public detach(observer: Observer): this
+    {
+        this.observers = this.observers.filter(item => item !== observer)
+        return this
+    }
+    public notify(data: any): this
+    {
+        this.observers.forEach(observer => observer.update(data))
+        return this
+    }
 }

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Improved metrics

Total package byte prevSize

1364

increased by32.81%

Lines of code

26

increased by100%

No dependency changes