Node conection

README.md

@@ -39,4 +39,9 @@ git add .
 git commit -m "done"
 git push -u origin master
 ```
-- Crea el Pull Request desde GitHub.
+- Crea el Pull Request desde GitHub.
+
+
+<!-- Interracion con el usuario -->
+readlineSync
+npm i -S readline.sync

starter-code/.gitignore

@@ -0,0 +1 @@
+node_modules

starter-code/calculadora.js

@@ -0,0 +1,38 @@
+// Install code
+const readLineSync = require('readline-sync')
+const {sum, res, mul, div} = require('./math')
+
+const operations =['sum', 'res', 'mul', 'div'];
+const index = readLineSync.keyInSelect(operations, 'Which operation do you want?');
+
+let firstNumber
+let secondNumber
+
+if (index !== -1) {
+     firstNumber = readLineSync.questionInt('Input fisrt number:  ');
+     secondNumber = readLineSync.questionInt('Input second number:  '); 
+}
+
+
+
+switch(index){
+    case 0:
+       console.log(sum(firstNumber, secondNumber)); 
+        break;
+    case 1:
+    console.log(res(firstNumber, secondNumber));
+        break;
+
+    case 2:
+    console.log(mul(firstNumber, secondNumber));
+        break;
+
+    case 3:
+    console.log(div(firstNumber, secondNumber));
+        break;
+
+    default:
+        console.log('Nothing');
+}
+
+

starter-code/index.js

@@ -1,2 +1,9 @@
-// Initial code
-console.log('Welcome to Node.js');
+const http = require('http');
+
+//Creating server
+http.createServer((req, res) =>{
+    res.writeHead(200, {'Content-Type': 'text/html'});
+    res.end('<p>Bienvenido a node.js </p><h2>subtitle</h2>');
+}).listen('8080');
+
+console.log('Node aplication listening on port 8080');

starter-code/math.js

@@ -0,0 +1,18 @@
+// Sum
+const sum = (x, y) => x+y;
+
+// Resta
+const res = (x,y) => x-y;
+
+// Multiplicacion
+const mul = (x,y) => x*y;
+
+// Division
+const div = (x,y) => x/y;
+
+module.exports = {
+    sum,
+    res,
+    mul,
+    div
+};