set up logger

src/index.ts

@@ -1,6 +1,9 @@
 import * as express from 'express';
 import * as mongoose from 'mongoose';
 import * as fs from 'fs';
+import * as winston from 'winston';
+
+import * as format from './lib/format';
 
 const config = JSON.parse(fs.readFileSync('./config/config.json', {encoding: 'utf8'}));
 
@@ -11,9 +14,31 @@ const dbClient = mongoose.connect(`${config.dbconnectionURL}/${config.dbname}`,
   useCreateIndex: true
 });
 
-console.log('connecting to mongodb database...');
+const logger = winston.createLogger({
+	level: 'info',
+	format: winston.format.combine(
+		winston.format.timestamp(),
+		winston.format.printf(log => `${format.formatTime(new Date(log.timestamp))} | ${log.message}`)
+	),
+	transports: [
+		new winston.transports.File({filename: `${config.name}-error.log`, level: 'error'}),
+		new winston.transports.File({filename: `${config.name}.log`}),
+		new winston.transports.Console({
+			format: winston.format.combine(
+				winston.format.colorize(),
+				winston.format.timestamp(),
+				winston.format.printf(log => 
+					`${format.formatTime(new Date(log.timestamp))} - [${log.level}] ${log.message}`
+				)
+			),
+			level: process.env.DEBUG === 'true' ? 'silly' : 'info'
+		})
+	]
+});
+
+logger.info('connecting to mongodb database');
 dbClient.then(() => {
-	console.log('connected to database!');
+	logger.info('connected to database!');
 
 	const app = express();
 
@@ -21,20 +46,17 @@ dbClient.then(() => {
 
 	app.set('db', dbClient);
 	app.set('config', config);
+	app.set('logger', logger);
 
 	app.get('/', (req, res) => {
 		res.send(`${config.name} homepage - unfinished`);
 	});
 
-	app.get('/recent', (req, res) => {
-		let query = req.query;
-	});
-
 	app.get('*', (req, res) => {
 		res.status(404).send('404');
 	});
 
 	app.listen(config.port, () => {
-		console.log(`expressjs server launched on port ${config.port}, should now function properly`);
+		logger.info(`expressjs server launched on port ${config.port}, should now function properly`);
 	});
 });

src/lib/format.ts

@@ -0,0 +1,6 @@
+export function formatTime(date: Date) : string {
+	let hours = date.getUTCHours();
+	let minutes = date.getUTCMinutes();
+
+	return `${hours < 10 ? '0' : ''}${hours}:${minutes < 10 ? '0' : ''}${minutes} UTC`;
+}