base source code

+node_modules

+let express = require('express');
+let app = express();
+let bodyParser = require('body-parser');
+
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+
+let books = new Array();
+
+app.get('/books/:bookId', (req, res) => {
+	let bookId = req.params.bookId;
+    console.log(books[bookId]);
+    res.send(books[bookId]);
+});
+
+/*
+ * json representation of book object
+{
+	"id" : 2,
+	"name" : "book2",
+	"price" : 2000,
+	"author" : "jin"
+}
+*/
+app.post('/books', (req, res) => {
+	// Create book information
+	books[req.body.id] = [req.body.id, req.body.name, req.body.price, req.body.author];
+	res.send(books[req.body.id]);
+})
+
+app.put('/books', (req, res) => {
+	// Update book information
+
+})
+
+
+app.delete('/books/:bookId', (req, res) => {
+	// Delete book information
+
+})
+let server = app.listen(80);
+	console.log(books);

+{
+  "name": "assignment01",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.17.1",
+    "express": "^4.15.2"
+  }
+}

+let express = require('express');
+let app = express();
+let bodyParser = require('body-parser');
+let session = require('express-session')
+
+app.use(session({ secret: 'keyboard cat', cookie: { maxAge: 60000 }}))
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+
+let users = new Array();
+users[0] = {
+	"userId" : 0,
+	"name" : "jin",
+	"password" : "abc",
+	"isAdmin" : true
+}
+
+app.put('/login', (req, res) => {
+	// users 배열에서 찾도록 처리 해야 함
+	// admin 여부를 확인하여 체크
+	// req.body.id : ID
+	// req.body.name : 패스워드
+	
+	res.send("Login");
+});
+
+app.put('/logout', (req, res) => {
+	// Logout
+	// 세션 유효 여부를 체크하고 세션 Delete
+	req.session.userId = null;
+	res.send("LogOut");
+
+});
+
+let auth = (req, res, next) => {
+	// Session Check
+	// 어드민 여부 체크 필요
+	if (req.session.userId != null)
+		next();
+	else
+		res.send("Error");
+
+};
+app.get('/user/:userId', auth, (req, res) => {
+	// get User Information
+	res.send("OK");
+});
+
+// 사용자 추가 시에 admin 여부도 추가해야 함
+
+let server = app.listen(80);

+{
+  "name": "assignment02",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.17.1",
+    "express": "^4.15.2",
+    "express-session": "^1.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+app.get('/', function (req, res) {
+	res.send('hello world');
+})
+
+app.route('/book')
+	.get(function (req, res) {
+		res.send('Get a random book');
+	})
+	.post(function (req, res) {
+		res.send('Add a book');
+	})
+	.put(function (req, res) {
+		res.send('Update the book');
+	});
+
+
+var server = app.listen(23023);

+{
+  "name": "approute",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+var birds = require('./birds');
+
+
+app.get('/', function (req, res) {
+	res.send('hello world');
+})
+
+app.use('/birds',birds);
+var server = app.listen(23023);

+var express = require('express');
+var router = express.Router();
+
+
+router.get('/', function (req, res) {
+	  res.send('Birds home page');
+})
+router.get('/about', function (req, res) {
+	  res.send('About birds');
+});
+
+module.exports=router;

+{
+  "name": "expressrouter",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+app.get('/', function (req, res) {
+	    res.send('Hello World');
+})
+
+var server = app.listen(23023, function () {
+	    var host = server.address().address
+	    var port = server.address().port
+	    console.log("Example app listening at http://%s:%s", host, port)
+})
+

+{
+  "name": "helloworld",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+app.get('/b', function (req, res, next) {
+	console.log('the response will be sent by the next function ...')
+	next()
+}, function (req, res) {
+	res.send('Hello from B!')
+})
+
+var cb0 = function (req, res, next) {
+	console.log("call by cb0");
+	next()
+}
+var cb1 = function (req, res, next) {
+	console.log("call by cb1");
+	res.send('Hello from C!')
+}
+app.get('/c', [cb0, cb1])
+
+var server = app.listen(23023);

+{
+  "name": "multiplehandler",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+app.set('view engine', 'ejs');
+app.set('views', 'views'); 
+
+app.get('/', function(req, res) {  
+	  res.render('index', { title: 'OSS Page' });
+});
+
+var server = app.listen(23023);

+{
+  "name": "render",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "ejs": "^2.5.6",
+    "express": "^4.15.2"
+  }
+}

+html>
+<body>
+<%= title %>
+</body>
+</html>

+var express = require('express');
+var app = express();
+
+app.get('/users/:userId/books/:bookId', function (req, res) {
+	  res.send(req.params);
+})
+
+var server = app.listen(23023);

+{
+  "name": "routeparameter",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+// The routing path matches requests to /about
+app.get('/about', function (req, res) {
+	res.send('about')
+})
+
+// The routing path matches requests to /random.text
+app.get('/random.text', function (req, res) {
+	res.send('random.text')
+})
+
+// This route path matches abcd, abxcd, abRANDOMcd, ab123cd, and so on.
+app.get('/ab*cd', function (req, res) {
+	res.send('ab*cd')
+})
+
+var server = app.listen(23023);

+{
+  "name": "routingpath",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+var session = require('express-session')
+
+app.use(session({ secret: 'keyboard cat', cookie: { maxAge: 60000 }}))
+
+
+
+app.get('/', function(req, res, next) {
+	var sess = req.session;
+	console.log(req.session);
+	if (sess.views) {
+		sess.views++;
+		res.send("session Views " + sess.views);
+		res.send();
+	} else {
+		req.session.views = 1;
+		res.send("welcome to the session demo. refresh!");
+		res.end();
+	}
+});
+
+var server = app.listen(23023);

+{
+  "name": "session",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2",
+    "express-session": "^1.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+app.get('/', function (req, res) {
+	  res.send('hello world');
+})
+
+var server = app.listen(23023);

+{
+  "name": "simplerouting",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+
+app.all('/', function (req, res, next) {
+	console.log('Accessing the secret section ...')
+	next() // pass control to the next handler
+})
+
+app.get('/', function (req, res) {
+	res.send('hello world');
+})
+
+app.post('/', function (req, res) {
+	res.send('POST request to the homepage')
+})
+
+var server = app.listen(23023);

+{
+  "name": "specialrouting",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+var express = require('express');
+var app = express();
+app.use(express.static('public'));
+app.get('/', function (req, res) {
+	    res.send('Hello World');
+})
+var server = app.listen(23023);

+{
+  "name": "staticfiles",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

+<html>
+<body>
+Public index.html
+</body>
+</html>

+// 모듈을 읽어 들입니다.
+const request = require('request');
+// 요청을 위한 상수를 선언합니다: TOKEN은 자신의 것을 입력해주세요.
+const TARGET_URL = 'https://notify-api.line.me/api/notify';
+const TOKEN = '///채워주세요///';
+// 요청합니다.
+request.post(
+    {
+        url: TARGET_URL,
+        headers: {
+            'Authorization': `Bearer ${TOKEN}`
+        },
+        form: {
+            message: '안녕하세요. LINE Notify 테스트입니다.',
+            stickerPackageId: 1,
+            stickerId: 1
+        }
+    },(error, response, body) => {
+        console.log(body)
+    });

+{
+  "name": "notify",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "request": "^2.88.2"
+  }
+}

+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/push'
+const MULTI_TARGET_URL = 'https://api.line.me/v2/bot/message/multicast'
+const BROAD_TARGET_URL = 'https://api.line.me/v2/bot/message/broadcast'
+const TOKEN = '채널 토큰으로 교체'
+const USER_ID = '사용자의 ID, 메세지 수신 시에 확인할 수 있음'
+
+// Single User
+// request.post(
+//     {
+//         url: TARGET_URL,
+//         headers: {
+//             'Authorization': `Bearer ${TOKEN}`
+//         },
+//         json: {
+//             "to": `${USER_ID}`,
+//             "messages":[
+//                 {
+//                     "type":"text",
+//                     "text":"Hello, user"
+//                 },
+//                 {
+//                     "type":"text",
+//                     "text":"May I help you?"
+//                 }
+//             ]
+//         }
+//     },(error, response, body) => {
+//         console.log(body)
+//     });
+
+
+// Multicast User
+// request.post(
+//     {
+//         url: MULTI_TARGET_URL,
+//         headers: {
+//             'Authorization': `Bearer ${TOKEN}`
+//         },
+//         json: {
+//             "to": [`${USER_ID}`],
+//             "messages":[
+//                 {
+//                     "type":"text",
+//                     "text":"Hello, user"
+//                 },
+//                 {
+//                     "type":"text",
+//                     "text":"May I help you?"
+//                 }
+//             ]
+//         }
+//     },(error, response, body) => {
+//         console.log(body)
+//     });
+
+
+// Broadcast
+    request.post(
+        {
+            url: BROAD_TARGET_URL,
+            headers: {
+                'Authorization': `Bearer ${TOKEN}`
+            },
+            json: {
+                "messages":[
+                    {
+                        "type":"text",
+                        "text":"Hello, user"
+                    },
+                    {
+                        "type":"text",
+                        "text":"May I help you?"
+                    }
+                ]
+            }
+        },(error, response, body) => {
+            console.log(body)
+        });
\ No newline at end of file

+{
+  "name": "push",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "request": "^2.88.2"
+  }
+}

+var express = require('express');
+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = '채널 토큰으로 변경'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "도메인 변경"
+const sslport = 23023;
+
+const bodyParser = require('body-parser');
+var app = express();
+app.use(bodyParser.json());
+app.post('/hook', function (req, res) {
+
+    var eventObj = req.body.events[0];
+    var source = eventObj.source;
+    var message = eventObj.message;
+
+    // request log
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', req.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+
+    request.post(
+        {
+            url: TARGET_URL,
+            headers: {
+                'Authorization': `Bearer ${TOKEN}`
+            },
+            json: {
+                "replyToken":eventObj.replyToken,
+                "messages":[
+                    {
+                        "type":"text",
+                        "text":"Hello, user"
+                    },
+                    {
+                        "type":"text",
+                        "text":"May I help you?"
+                    }
+                ]
+            }
+        },(error, response, body) => {
+            console.log(body)
+        });
+    
+
+    res.sendStatus(200);
+});
+
+try {
+    const option = {
+      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+    };
+  
+    HTTPS.createServer(option, app).listen(sslport, () => {
+      console.log(`[HTTPS] Server is started on port ${sslport}`);
+    });
+  } catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+  }
+  

+{
+  "name": "reply",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1",
+    "request": "^2.88.2"
+  }
+}

+const express = require('express');
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+
+const app = express();
+// 본인이 소유한 도메인으로 변경해야 함
+// www 붙여야 함
+const domain = "www.stagefive.tk"
+const sslport = 23023;
+
+app.get('/', function (req, res) {
+	  res.send('Hello World');
+})
+
+try {
+  const option = {
+    ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+    key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+    cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+  };
+
+  HTTPS.createServer(option, app).listen(sslport, () => {
+    console.log(`[HTTPS] Server is started on port ${sslport}`);
+  });
+} catch (error) {
+  console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+  console.log(error);
+}
+

+{
+  "name": "ssl",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}

+var express = require('express');
+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = '채널 토큰'
+const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
+const PAPAGO_ID = '파파고 ID'
+const PAPAGO_SECRET = '파파고 Client Secret'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "도메인 명"
+const sslport = 23023;
+const bodyParser = require('body-parser');
+var app = express();
+app.use(bodyParser.json());
+app.post('/hook', function (req, res) {
+
+    var eventObj = req.body.events[0];
+    var source = eventObj.source;
+    var message = eventObj.message;
+
+    // request log
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', req.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+
+    trans(eventObj.replyToken, eventObj.message.text);
+    
+
+    res.sendStatus(200);
+});
+
+function trans(replyToken, message) {
+
+    request.post(
+        {
+            url: PAPAGO_URL,
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Naver-Client-Id': `${PAPAGO_ID}`,
+                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
+            },
+            body: 'source=ko&target=en&text=' + message,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.message);
+                var transMessage = body.message.result.translatedText;
+                request.post(
+                    {
+                        url: TARGET_URL,
+                        headers: {
+                            'Authorization': `Bearer ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text":transMessage
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+
+}
+
+try {
+    const option = {
+      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+    };
+  
+    HTTPS.createServer(option, app).listen(sslport, () => {
+      console.log(`[HTTPS] Server is started on port ${sslport}`);
+    });
+  } catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+  }
+  
\ No newline at end of file

+{
+  "name": "trans",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1",
+    "request": "^2.88.2"
+  }
+}

+var express = require('express');
+const bodyParser = require('body-parser');
+var app = express();
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "도메인 변경 처리"
+const sslport = 23023;
+
+app.use(bodyParser.json());
+
+app.post('/hook', function (request, response) {
+
+    var eventObj = request.body.events[0];
+
+    // request log
+    console.log('======================', new Date() ,'======================');
+
+    response.sendStatus(200);
+});
+
+
+try {
+    const option = {
+      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+    };
+  
+    HTTPS.createServer(option, app).listen(sslport, () => {
+      console.log(`[HTTPS] Server is started on port ${sslport}`);
+    });
+  } catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+  }
+  

+{
+  "name": "webhook",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1"
+  }
+}

+// mymodule.js에 정의된 모듈로 불러서 사용하도록 처리

+// 아래 2개의 함수를 모듈로 정의하는 것이 필요함
+function add(a,b) {
+	return a+b;
+}
+function sub(a,b) {
+	return a-b;
+}

+const doSomethingAsync = () => {
+	return new Promise(resolve => {
+		setTimeout(() => resolve('I did something'), 3000)
+	})
+}
+
+// doSomething 함수를 async await 형태로 변경하시오
+const doSomething = () => {
+	doSomethingAsync().then( a =>  console.log(a))
+}
+
+console.log('Before')
+doSomething()
+console.log('After')

+var events = require('events');
+var eventEmitter = new events.EventEmitter();
+var connectHandler = function connected() {
+     console.log('connection successful.');
+     eventEmitter.emit('data_received');
+}
+
+eventEmitter.on('connection', connectHandler);
+
+eventEmitter.on('data_received', function(){
+    console.log('data received successfully.');
+});
+
+eventEmitter.emit('connection');
+console.log("Program Ended.");

+var events = require('events');
+var eventEmitter = new events.EventEmitter();
+var listner1 = function listner1() {
+console.log('listner1 executed.');
+}
+var listner2 = function listner2() {
+console.log('listner2 executed.');
+}
+
+eventEmitter.addListener('connection', listner1);
+eventEmitter.on('connection', listner2);
+var eventListeners = require('events').EventEmitter.listenerCount(eventEmitter,'connection');
+console.log(eventListeners + " Listner(s) listening to connection event");
+
+eventEmitter.emit('connection');
+eventEmitter.removeListener('connection', listner1);
+console.log("Listner1 will not listen now.");
+
+eventEmitter.emit('connection');
+eventListeners = require('events').EventEmitter.listenerCount(eventEmitter,'connection');
+console.log(eventListeners + " Listner(s) listening to connection event");
+console.log("Program Ended.");

+
+var dt = require('./mymodule');
+
+console.log(dt.myDateTime());

+exports.myDateTime = function () {
+    return Date();
+};