update docs

Signed-off-by: Nimit <nimitagg95@gmail.com>

Author: nimit95

buildDocs.js

@@ -8,7 +8,9 @@ const sections = [{
  name: 'Creational', topics: [
  { name: 'abstractFactory', path: './Creational' },
  { name: 'builder', path: './Creational' },
- { name: 'factoryMethod', path: './Creational' }
+ { name: 'factoryMethod', path: './Creational' },
+ { name: 'prototype', path: './Creational' },
+ { name: 'singleton', path: './Creational' }
  ]
 }];
 

docs.md

@@ -4,6 +4,8 @@
 * [Abstract Factory](#abstract-factory)
 * [Builder](#builder)
 * [Factory Method](#factory-method)
+* [Prototype](#prototype)
+* [Singleton](#singleton)
 
 
 
@@ -77,7 +79,7 @@ class ApiRequestFactory {
 const availableOptions = ["tcp", "http"];
 const apiRequest = ApiRequestFactory.createApiRequest(availableOptions[Math.floor(Math.random() * 2)]);
 apiRequest.makeGetRequest("example.com")
- .then(respone => console.log(respone))
+ .then(response => console.log(response))
  .catch(err => console.log(err));
 ```
 
@@ -234,5 +236,60 @@ let c = new ClientHTTP;
 c.main();
 ```
 
+### Prototype
+##### prototype.js
+```Javascript
+class Server {
+
+ constructor(port) {
+ this._port = port;
+ }
+ listen() {
+ console.log("Listening on port");
+ }
+ clone() {
+ return new Server(this._port);
+ }
+}
+
+const server = new Server();
+const newServer = server.clone();
+newServer.listen();
+```
+
+### Singleton
+##### singleton.js
+```Javascript
+class Server {
+ constructor(port) {
+ this._port = port;
+ }
+ static init(port) {
+ if (typeof Server.instance === 'object') {
+ return Server.instance;
+ }
+ Server.instance = new Server(port);
+ return Server.instance;
+ }
+ static getInstance() {
+ if (typeof Server.instance === 'object') {
+ return Server.instance;
+ }
+ Server.instance = new Server(8080);
+ return Server.instance;
+ }
+ status() {
+ console.log("Server listening on port " + this._port);
+ }
+}
+
+/**
+ * Client calls init, and getInstance would give that instance
+ * always. Singleton is used for heavy single use objects like DB
+ */
+Server.init(1234);
+Server.getInstance().status();
+```
+