Nodejs core module (#7)

* add: Core module

* change: readline module on Core Module App.js

Author: driannaird

4. Core Module/app.js

@@ -1,6 +1,8 @@
 // Core module
 // File system
 const fs = require("node:fs");
+const readline = require("node:readline");
+const { stdin: input, stdout: output } = require("node:process");
 
 // Write string to file synchronous
 // try {
@@ -24,8 +26,26 @@ const fs = require("node:fs");
 // console.log(data);
 
 // Read the content of the file Asynchronous
-fs.readFile("data/testAsynchronous.txt", "utf-8", (err, data) => {
-  if (err) throw err;
 
-  console.log(data);
+// fs.readFile("data/testAsynchronous.txt", "utf-8", (err, data) => {
+//   if (err) throw err;
+
+//   console.log(data);
+// });
+
+const rl = readline.createInterface({ input, output });
+
+rl.question("What your name?", (name) => {
+  rl.question("age?", (age) => {
+    const person = { name, age };
+    const file = fs.readFileSync("data/persons.json", "utf-8");
+    const persons = JSON.parse(file);
+
+    persons.push(person);
+
+    fs.writeFileSync("data/persons.json", JSON.stringify(persons));
+
+    console.log(`Thank you ${name}`);
+    rl.close();
+  });
 });

4. Core Module/data/persons.json

@@ -0,0 +1,5 @@
+[
+  { "name": "Drian", "age": 18 },
+  { "name": "Marwan", "age": "18" },
+  { "name": "Hasan", "age": "10" }
+]

experiment/app.js

@@ -1,14 +1,17 @@
 const http = require("http");
 
-const hostname = "localhost";
-const port = 9023;
+const hostname = "127.0.0.1";
+const port = 4543;
 
-const server = http.createServer((req, res) => {
+const app = http.createServer((req, res) => {
   res.statusCode = 200;
   res.setHeader("Content-Type", "text/plain");
-  res.end("Hello World");
+  res.end(
+    "Hello Drian\
+ sdfkjsd"
+  );
 });
 
-server.listen(port, hostname, () => {
-  console.log(`Server running at http://${hostname}:${port}`);
+app.listen(port, hostname, () => {
+  console.log(`Server running at http://${hostname}:${port}/`);
 });