Added JavaScript 'game'.

src/games/javascript.js

@@ -0,0 +1,49 @@
+'use strict';
+
+const { NodeVM } = require('vm2');
+const util = require('util');
+const crypto = require('crypto');
+const timers = require('timers');
+
+const style = require('../utils/style');
+
+const vm = new NodeVM({
+	console: 'inherit',
+	sandbox: {
+		util,
+		crypto,
+		timers,
+	},
+});
+
+const vmConsole = [];
+
+vm.on('console.log', (data, ...args) => {
+	vmConsole.push(data);
+	console.log(args);
+});
+
+async function onCommand(args, context) {
+	const script = args.join(' ');
+
+	context.logger.info(`JavaScript ran by ${context.user.username}: ${script}`);
+
+	try {
+		const result = await vm.run(script, {
+			sandbox: {
+				console: {
+					log: () => console.log('console loggin!'),
+				},
+			},
+		});
+
+		context.sendMessage(`${style.green('<success>')} ${result} | ${vmConsole.join(' ')}`, context.room.id);
+	} catch (error) {
+		context.sendMessage(`${style.red(`<${error.name}>`)} ${error.message}`, context.room.id);
+	}
+}
+
+module.exports = {
+	onCommand,
+	commands: ['js', '>'],
+};