Merge pull request fbeline#17 from Naor-Tedgi/naor/fly-weight-es6

fbeline · web-flow · commit bb9ab86ecb77 · 2018-06-04T02:08:10.000-03:00
Naor/fly weight es6
diff --git a/docs.md b/docs.md
@@ -1603,6 +1603,29 @@ var colorFactory = {
 
 module.exports = colorFactory;
 
+```
+##### flyweight_es6.js
+```Javascript
+class Color {
+    constructor(name){
+        this.name = name
+    }
+}
+
+class colorFactory {
+    constructor(name){
+        this.colors = {};
+    }
+    create(name) {
+        let color = this.colors[name];
+        if(color) return color;
+        this.colors[name] = new Color(name);
+        return this.colors[name];
+    }
+};
+
+export { colorFactory };
+
 ```
 
 ### Proxy
diff --git a/src/structural/flyweight/flyweight_es6.js b/src/structural/flyweight/flyweight_es6.js
@@ -0,0 +1,19 @@
+class Color {
+    constructor(name){
+        this.name = name
+    }
+}
+
+class colorFactory {
+    constructor(name){
+        this.colors = {};
+    }
+    create(name) {
+        let color = this.colors[name];
+        if(color) return color;
+        this.colors[name] = new Color(name);
+        return this.colors[name];
+    }
+};
+
+export { colorFactory };
diff --git a/test/flyweight_es6-test.js b/test/flyweight_es6-test.js
@@ -0,0 +1,17 @@
+const expect = require('chai').expect;
+
+import  { colorFactory }  from '../src/structural/flyweight/flyweight_es6';
+
+describe('flyweight tests', () => {
+
+    it('sanity', () => {
+        const cf = new colorFactory();
+        cf.create('RED');
+        cf.create('RED');
+        cf.create('RED');
+        cf.create('YELLOW');
+        cf.create('YELLOW');
+        expect(Object.keys(cf.colors)).to.have.lengthOf(2);
+    });
+
+});
