add timestamps to log

server/interface.js

@@ -0,0 +1,28 @@
+'use strict';
+
+require('colors');
+
+class ServerInterface {
+	constructor() {
+
+	}
+
+	log(msg) {
+		let pad = (str, len, right) => {
+			str = '' + str;
+			return (right ? str : '') +
+				Array(len > str.length ? 1 + len - str.length : 0)
+				.join('0') + (right ? '' : str);
+		}
+
+		let d = new Date();
+		let timestamp =
+			`<${pad(d.getUTCHours(), 2)}:` +
+			`${pad(d.getUTCMinutes(), 2)}:` +
+			`${pad(d.getUTCSeconds(), 2)}.` +
+			`${pad(('' + d.getUTCMilliseconds()).slice(0, 2), 2, true)}> `;
+		console.log(timestamp.gray, msg);
+	}
+}
+
+module.exports = ServerInterface;