Merge branch 'master' of https://github.com/MystaraTheGreat/MagicMirror

2025-08-21 12:55:22 +00:00 · 2021-03-07 20:14:36 +00:00
parent 49be3cbd6b fbb0c59b4e
commit b72556b9a9
138 changed files with 4912 additions and 4824 deletions
--- a/js/app.js
+++ b/js/app.js
@@ -4,22 +4,23 @@
 * By Michael Teeuw https://michaelteeuw.nl
 * MIT Licensed.
 */
-var fs = require("fs");
-var path = require("path");
-var Log = require(__dirname + "/logger.js");
-var Server = require(__dirname + "/server.js");
-var Utils = require(__dirname + "/utils.js");
-var defaultModules = require(__dirname + "/../modules/default/defaultmodules.js");

 // Alias modules mentioned in package.js under _moduleAliases.
 require("module-alias/register");

+const fs = require("fs");
+const path = require("path");
+const Log = require("logger");
+const Server = require(`${__dirname}/server`);
+const Utils = require(`${__dirname}/utils`);
+const defaultModules = require(`${__dirname}/../modules/default/defaultmodules`);
+
 // Get version number.
-global.version = JSON.parse(fs.readFileSync("package.json", "utf8")).version;
+global.version = require(`${__dirname}/../package.json`).version;
 Log.log("Starting MagicMirror: v" + global.version);

 // global absolute root path
-global.root_path = path.resolve(__dirname + "/../");
+global.root_path = path.resolve(`${__dirname}/../`);

 if (process.env.MM_CONFIG_FILE) {
 	global.configuration_file = process.env.MM_CONFIG_FILE;
@@ -45,43 +46,40 @@ process.on("uncaughtException", function (err) {
 *
 * @class
 */
-var App = function () {
-	var nodeHelpers = [];
+function App() {
+	let nodeHelpers = [];

 	/**
-	 * Loads the config file. Combines it with the defaults,  and runs the
+	 * Loads the config file. Combines it with the defaults, and runs the
 	 * callback with the found config as argument.
 	 *
 	 * @param {Function} callback Function to be called after loading the config
 	 */
-	var loadConfig = function (callback) {
+	function loadConfig(callback) {
 		Log.log("Loading config ...");
-		var defaults = require(__dirname + "/defaults.js");
+		const defaults = require(`${__dirname}/defaults`);

 		// For this check proposed to TestSuite
 		// https://forum.magicmirror.builders/topic/1456/test-suite-for-magicmirror/8
-		var configFilename = path.resolve(global.root_path + "/config/config.js");
-		if (typeof global.configuration_file !== "undefined") {
-			configFilename = path.resolve(global.configuration_file);
-		}
+		const configFilename = path.resolve(global.configuration_file || `${global.root_path}/config/config.js`);

 		try {
 			fs.accessSync(configFilename, fs.F_OK);
-			var c = require(configFilename);
+			const c = require(configFilename);
 			checkDeprecatedOptions(c);
-			var config = Object.assign(defaults, c);
+			const config = Object.assign(defaults, c);
 			callback(config);
 		} catch (e) {
 			if (e.code === "ENOENT") {
 				Log.error(Utils.colors.error("WARNING! Could not find config file. Please create one. Starting with default configuration."));
 			} else if (e instanceof ReferenceError || e instanceof SyntaxError) {
-				Log.error(Utils.colors.error("WARNING! Could not validate config file. Starting with default configuration. Please correct syntax errors at or above this line: " + e.stack));
+				Log.error(Utils.colors.error(`WARNING! Could not validate config file. Starting with default configuration. Please correct syntax errors at or above this line: ${e.stack}`));
 			} else {
-				Log.error(Utils.colors.error("WARNING! Could not load config file. Starting with default configuration. Error found: " + e));
+				Log.error(Utils.colors.error(`WARNING! Could not load config file. Starting with default configuration. Error found: ${e}`));
 			}
 			callback(defaults);
 		}
-	};
+	}

 	/**
 	 * Checks the config for deprecated options and throws a warning in the logs
@@ -89,21 +87,15 @@ var App = function () {
 	 *
 	 * @param {object} userConfig The user config
 	 */
-	var checkDeprecatedOptions = function (userConfig) {
-		var deprecated = require(global.root_path + "/js/deprecated.js");
-		var deprecatedOptions = deprecated.configs;
+	function checkDeprecatedOptions(userConfig) {
+		const deprecated = require(`${global.root_path}/js/deprecated`);
+		const deprecatedOptions = deprecated.configs;

-		var usedDeprecated = [];
-
-		deprecatedOptions.forEach(function (option) {
-			if (userConfig.hasOwnProperty(option)) {
-				usedDeprecated.push(option);
-			}
-		});
+		const usedDeprecated = deprecatedOptions.filter((option) => userConfig.hasOwnProperty(option));
 		if (usedDeprecated.length > 0) {
-			Log.warn(Utils.colors.warn("WARNING! Your config is using deprecated options: " + usedDeprecated.join(", ") + ". Check README and CHANGELOG for more up-to-date ways of getting the same functionality."));
+			Log.warn(Utils.colors.warn(`WARNING! Your config is using deprecated options: ${usedDeprecated.join(", ")}. Check README and CHANGELOG for more up-to-date ways of getting the same functionality.`));
 		}
-	};
+	}

 	/**
 	 * Loads a specific module.
@@ -111,35 +103,35 @@ var App = function () {
 	 * @param {string} module The name of the module (including subpath).
 	 * @param {Function} callback Function to be called after loading
 	 */
-	var loadModule = function (module, callback) {
-		var elements = module.split("/");
-		var moduleName = elements[elements.length - 1];
-		var moduleFolder = __dirname + "/../modules/" + module;
+	function loadModule(module, callback) {
+		const elements = module.split("/");
+		const moduleName = elements[elements.length - 1];
+		let moduleFolder = `${__dirname}/../modules/${module}`;

-		if (defaultModules.indexOf(moduleName) !== -1) {
-			moduleFolder = __dirname + "/../modules/default/" + module;
+		if (defaultModules.includes(moduleName)) {
+			moduleFolder = `${__dirname}/../modules/default/${module}`;
 		}

-		var helperPath = moduleFolder + "/node_helper.js";
+		const helperPath = `${moduleFolder}/node_helper.js`;

-		var loadModule = true;
+		let loadHelper = true;
 		try {
 			fs.accessSync(helperPath, fs.R_OK);
 		} catch (e) {
-			loadModule = false;
-			Log.log("No helper found for module: " + moduleName + ".");
+			loadHelper = false;
+			Log.log(`No helper found for module: ${moduleName}.`);
 		}

-		if (loadModule) {
-			var Module = require(helperPath);
-			var m = new Module();
+		if (loadHelper) {
+			const Module = require(helperPath);
+			let m = new Module();

 			if (m.requiresVersion) {
-				Log.log("Check MagicMirror version for node helper '" + moduleName + "' - Minimum version:  " + m.requiresVersion + " - Current version: " + global.version);
+				Log.log(`Check MagicMirror version for node helper '${moduleName}' - Minimum version: ${m.requiresVersion} - Current version: ${global.version}`);
 				if (cmpVersions(global.version, m.requiresVersion) >= 0) {
 					Log.log("Version is ok!");
 				} else {
-					Log.log("Version is incorrect. Skip module: '" + moduleName + "'");
+					Log.warn(`Version is incorrect. Skip module: '${moduleName}'`);
 					return;
 				}
 			}
@@ -152,7 +144,7 @@ var App = function () {
 		} else {
 			callback();
 		}
-	};
+	}

 	/**
 	 * Loads all modules.
@@ -160,12 +152,15 @@ var App = function () {
 	 * @param {Module[]} modules All modules to be loaded
 	 * @param {Function} callback Function to be called after loading
 	 */
-	var loadModules = function (modules, callback) {
+	function loadModules(modules, callback) {
 		Log.log("Loading module helpers ...");

-		var loadNextModule = function () {
+		/**
+		 *
+		 */
+		function loadNextModule() {
 			if (modules.length > 0) {
-				var nextModule = modules[0];
+				const nextModule = modules[0];
 				loadModule(nextModule, function () {
 					modules = modules.slice(1);
 					loadNextModule();
@@ -175,10 +170,10 @@ var App = function () {
 				Log.log("All module helpers loaded.");
 				callback();
 			}
-		};
+		}

 		loadNextModule();
-	};
+	}

 	/**
 	 * Compare two semantic version numbers and return the difference.
@@ -190,11 +185,11 @@ var App = function () {
 	 * number if a is smaller and 0 if they are the same
 	 */
 	function cmpVersions(a, b) {
-		var i, diff;
-		var regExStrip0 = /(\.0+)+$/;
-		var segmentsA = a.replace(regExStrip0, "").split(".");
-		var segmentsB = b.replace(regExStrip0, "").split(".");
-		var l = Math.min(segmentsA.length, segmentsB.length);
+		let i, diff;
+		const regExStrip0 = /(\.0+)+$/;
+		const segmentsA = a.replace(regExStrip0, "").split(".");
+		const segmentsB = b.replace(regExStrip0, "").split(".");
+		const l = Math.min(segmentsA.length, segmentsB.length);

 		for (i = 0; i < l; i++) {
 			diff = parseInt(segmentsA[i], 10) - parseInt(segmentsB[i], 10);
@@ -219,21 +214,19 @@ var App = function () {

 			Log.setLogLevel(config.logLevel);

-			var modules = [];
+			let modules = [];

-			for (var m in config.modules) {
-				var module = config.modules[m];
-				if (modules.indexOf(module.module) === -1 && !module.disabled) {
+			for (const module of config.modules) {
+				if (!modules.includes(module.module) && !module.disabled) {
 					modules.push(module.module);
 				}
 			}

 			loadModules(modules, function () {
-				var server = new Server(config, function (app, io) {
+				const server = new Server(config, function (app, io) {
 					Log.log("Server started ...");

-					for (var h in nodeHelpers) {
-						var nodeHelper = nodeHelpers[h];
+					for (let nodeHelper of nodeHelpers) {
 						nodeHelper.setExpressApp(app);
 						nodeHelper.setSocketIO(io);
 						nodeHelper.start();
@@ -256,8 +249,7 @@ var App = function () {
 	 * Added to fix #1056
 	 */
 	this.stop = function () {
-		for (var h in nodeHelpers) {
-			var nodeHelper = nodeHelpers[h];
+		for (const nodeHelper of nodeHelpers) {
 			if (typeof nodeHelper.stop === "function") {
 				nodeHelper.stop();
 			}
@@ -292,6 +284,6 @@ var App = function () {
 		this.stop();
 		process.exit(0);
 	});
-};
+}

 module.exports = new App();
--- a/js/check_config.js
+++ b/js/check_config.js
@@ -11,9 +11,9 @@ const linter = new Linter();
 const path = require("path");
 const fs = require("fs");

-const rootPath = path.resolve(__dirname + "/../");
-const Log = require(rootPath + "/js/logger.js");
-const Utils = require(rootPath + "/js/utils.js");
+const rootPath = path.resolve(`${__dirname}/../`);
+const Log = require(`${rootPath}/js/logger.js`);
+const Utils = require(`${rootPath}/js/utils.js`);

 /**
 * Returns a string with path of configuration file.
@@ -23,11 +23,7 @@ const Utils = require(rootPath + "/js/utils.js");
 */
 function getConfigFile() {
 	// FIXME: This function should be in core. Do you want refactor me ;) ?, be good!
-	let configFileName = path.resolve(rootPath + "/config/config.js");
-	if (process.env.MM_CONFIG_FILE) {
-		configFileName = path.resolve(process.env.MM_CONFIG_FILE);
-	}
-	return configFileName;
+	return path.resolve(process.env.MM_CONFIG_FILE || `${rootPath}/config/config.js`);
 }

 /**
@@ -54,21 +50,18 @@ function checkConfigFile() {
 	Log.info(Utils.colors.info("Checking file... "), configFileName);

 	// I'm not sure if all ever is utf-8
-	fs.readFile(configFileName, "utf-8", function (err, data) {
-		if (err) {
-			throw err;
+	const configFile = fs.readFileSync(configFileName, "utf-8");
+
+	const errors = linter.verify(configFile);
+	if (errors.length === 0) {
+		Log.info(Utils.colors.pass("Your configuration file doesn't contain syntax errors :)"));
+	} else {
+		Log.error(Utils.colors.error("Your configuration file contains syntax errors :("));
+
+		for (const error of errors) {
+			Log.error(`Line ${error.line} column ${error.column}: ${error.message}`);
 		}
-		const messages = linter.verify(data);
-		if (messages.length === 0) {
-			Log.info(Utils.colors.pass("Your configuration file doesn't contain syntax errors :)"));
-		} else {
-			Log.error(Utils.colors.error("Your configuration file contains syntax errors :("));
-			// In case the there errors show messages and return
-			messages.forEach((error) => {
-				Log.error("Line", error.line, "col", error.column, error.message);
-			});
-		}
-	});
+	}
 }

 checkConfigFile();
--- a/js/defaults.js
+++ b/js/defaults.js
@@ -20,6 +20,7 @@ var defaults = {
 	ipWhitelist: ["127.0.0.1", "::ffff:127.0.0.1", "::1"],

 	language: "en",
+	logLevel: ["INFO", "LOG", "WARN", "ERROR"],
 	timeFormat: 24,
 	units: "metric",
 	zoom: 1,
@@ -42,7 +43,7 @@ var defaults = {
 			module: "helloworld",
 			position: "middle_center",
 			config: {
-				text: "Please create a config file."
+				text: "Please create a config file or check the existing one for errors."
 			}
 		},
 		{
@@ -58,7 +59,7 @@ var defaults = {
 			position: "middle_center",
 			classes: "xsmall",
 			config: {
-				text: "If you get this message while your config file is already<br>created, your config file probably contains an error.<br>Use a JavaScript linter to validate your file."
+				text: "If you get this message while your config file is already created,<br>" + "it probably contains an error. To validate your config file run in your MagicMirror directory<br>" + "<pre>npm run config:check</pre>"
 			}
 		},
 		{
--- a/js/deprecated.js
+++ b/js/deprecated.js
@@ -6,11 +6,6 @@
 * Olex S. original idea this deprecated option
 */

-var deprecated = {
+module.exports = {
 	configs: ["kioskmode"]
 };
-
-/*************** DO NOT EDIT THE LINE BELOW ***************/
-if (typeof module !== "undefined") {
-	module.exports = deprecated;
-}
--- a/js/electron.js
+++ b/js/electron.js
@@ -2,10 +2,10 @@

 const electron = require("electron");
 const core = require("./app.js");
-const Log = require("./logger.js");
+const Log = require("logger");

 // Config
-var config = process.env.config ? JSON.parse(process.env.config) : {};
+let config = process.env.config ? JSON.parse(process.env.config) : {};
 // Module to control application life.
 const app = electron.app;
 // Module to create native browser window.
@@ -20,13 +20,14 @@ let mainWindow;
 */
 function createWindow() {
 	app.commandLine.appendSwitch("autoplay-policy", "no-user-gesture-required");
-	var electronOptionsDefaults = {
+	let electronOptionsDefaults = {
 		width: 800,
 		height: 600,
 		x: 0,
 		y: 0,
 		darkTheme: true,
 		webPreferences: {
+			contextIsolation: true,
 			nodeIntegration: false,
 			zoomFactor: config.zoom
 		},
@@ -42,7 +43,7 @@ function createWindow() {
 		electronOptionsDefaults.autoHideMenuBar = true;
 	}

-	var electronOptions = Object.assign({}, electronOptionsDefaults, config.electronOptions);
+	const electronOptions = Object.assign({}, electronOptionsDefaults, config.electronOptions);

 	// Create the browser window.
 	mainWindow = new BrowserWindow(electronOptions);
@@ -50,14 +51,14 @@ function createWindow() {
 	// and load the index.html of the app.
 	// If config.address is not defined or is an empty string (listening on all interfaces), connect to localhost

-	var prefix;
+	let prefix;
 	if (config["tls"] !== null && config["tls"]) {
 		prefix = "https://";
 	} else {
 		prefix = "http://";
 	}

-	var address = (config.address === void 0) | (config.address === "") ? (config.address = "localhost") : config.address;
+	let address = (config.address === void 0) | (config.address === "") ? (config.address = "localhost") : config.address;
 	mainWindow.loadURL(`${prefix}${address}:${config.port}`);

 	// Open the DevTools if run with "npm start dev"
@@ -125,7 +126,7 @@ app.on("before-quit", (event) => {

 // Start the core application if server is run on localhost
 // This starts all node helpers and starts the webserver.
-if (["localhost", "127.0.0.1", "::1", "::ffff:127.0.0.1", undefined].indexOf(config.address) > -1) {
+if (["localhost", "127.0.0.1", "::1", "::ffff:127.0.0.1", undefined].includes(config.address)) {
 	core.start(function (c) {
 		config = c;
 	});
--- a/js/loader.js
+++ b/js/loader.js
@@ -125,7 +125,7 @@ var Loader = (function () {
 	 * @param {Function} callback Function called when done.
 	 */
 	var loadModule = function (module, callback) {
-		var url = module.path + "/" + module.file;
+		var url = module.path + module.file;

 		var afterLoad = function () {
 			var moduleObject = Module.create(module.name);
--- a/js/main.js
+++ b/js/main.js
@@ -295,6 +295,9 @@ var MM = (function () {
 		// Otherwise cancel show action.
 		if (module.lockStrings.length !== 0 && options.force !== true) {
 			Log.log("Will not show " + module.name + ". LockStrings active: " + module.lockStrings.join(","));
+			if (typeof options.onError === "function") {
+				options.onError(new Error("LOCK_STRING_ACTIVE"));
+			}
 			return;
 		}

@@ -440,7 +443,6 @@ var MM = (function () {
 		 * Removes a module instance from the collection.
 		 *
 		 * @param {object} module The module instance to remove from the collection.
-		 *
 		 * @returns {Module[]} Filtered collection of modules.
 		 */
 		var exceptModule = function (module) {
@@ -547,6 +549,11 @@ var MM = (function () {
 				return;
 			}

+			if (!module.data.position) {
+				Log.warn("module tries to update the DOM without being displayed.");
+				return;
+			}
+
 			// Further implementation is done in the private method.
 			updateDom(module, speed);
 		},
--- a/js/module.js
+++ b/js/module.js
@@ -176,7 +176,7 @@ var Module = Class.extend({
 		});

 		this._nunjucksEnvironment.addFilter("translate", function (str, variables) {
-			return self.translate(str, variables);
+			return nunjucks.runtime.markSafe(self.translate(str, variables));
 		});

 		return this._nunjucksEnvironment;
@@ -311,33 +311,33 @@ var Module = Class.extend({
 	 *
 	 * @param {Function} callback Function called when done.
 	 */
-	loadTranslations: function (callback) {
-		var self = this;
-		var translations = this.getTranslations();
-		var lang = config.language.toLowerCase();
+	loadTranslations(callback) {
+		const translations = this.getTranslations() || {};
+		const language = config.language.toLowerCase();

-		// The variable `first` will contain the first
-		// defined translation after the following line.
-		for (var first in translations) {
-			break;
-		}
+		const languages = Object.keys(translations);
+		const fallbackLanguage = languages[0];

-		if (translations) {
-			var translationFile = translations[lang] || undefined;
-			var translationsFallbackFile = translations[first];
-
-			// If a translation file is set, load it and then also load the fallback translation file.
-			// Otherwise only load the fallback translation file.
-			if (translationFile !== undefined && translationFile !== translationsFallbackFile) {
-				Translator.load(self, translationFile, false, function () {
-					Translator.load(self, translationsFallbackFile, true, callback);
-				});
-			} else {
-				Translator.load(self, translationsFallbackFile, true, callback);
-			}
-		} else {
+		if (languages.length === 0) {
 			callback();
+			return;
 		}
+
+		const translationFile = translations[language];
+		const translationsFallbackFile = translations[fallbackLanguage];
+
+		if (!translationFile) {
+			Translator.load(this, translationsFallbackFile, true, callback);
+			return;
+		}
+
+		Translator.load(this, translationFile, false, () => {
+			if (translationFile !== translationsFallbackFile) {
+				Translator.load(this, translationsFallbackFile, true, callback);
+			} else {
+				callback();
+			}
+		});
 	},

 	/**
@@ -428,12 +428,11 @@ var Module = Class.extend({
 		callback = callback || function () {};
 		options = options || {};

-		var self = this;
 		MM.showModule(
 			this,
 			speed,
-			function () {
-				self.resume();
+			() => {
+				this.resume();
 				callback();
 			},
 			options
--- a/js/node_helper.js
+++ b/js/node_helper.js
@@ -5,21 +5,21 @@
 * MIT Licensed.
 */
 const Class = require("./class.js");
-const Log = require("./logger.js");
+const Log = require("logger");
 const express = require("express");

-var NodeHelper = Class.extend({
-	init: function () {
+const NodeHelper = Class.extend({
+	init() {
 		Log.log("Initializing new module helper ...");
 	},

-	loaded: function (callback) {
-		Log.log("Module helper loaded: " + this.name);
+	loaded(callback) {
+		Log.log(`Module helper loaded: ${this.name}`);
 		callback();
 	},

-	start: function () {
-		Log.log("Starting module helper: " + this.name);
+	start() {
+		Log.log(`Starting module helper: ${this.name}`);
 	},

 	/* stop()
@@ -28,8 +28,8 @@ var NodeHelper = Class.extend({
 	 * gracefully exit the module.
 	 *
 	 */
-	stop: function () {
-		Log.log("Stopping module helper: " + this.name);
+	stop() {
+		Log.log(`Stopping module helper: ${this.name}`);
 	},

 	/* socketNotificationReceived(notification, payload)
@@ -38,8 +38,8 @@ var NodeHelper = Class.extend({
 	 * argument notification string - The identifier of the notification.
 	 * argument payload mixed - The payload of the notification.
 	 */
-	socketNotificationReceived: function (notification, payload) {
-		Log.log(this.name + " received a socket notification: " + notification + " - Payload: " + payload);
+	socketNotificationReceived(notification, payload) {
+		Log.log(`${this.name} received a socket notification: ${notification} - Payload: ${payload}`);
 	},

 	/* setName(name)
@@ -47,7 +47,7 @@ var NodeHelper = Class.extend({
 	 *
 	 * argument name string - Module name.
 	 */
-	setName: function (name) {
+	setName(name) {
 		this.name = name;
 	},

@@ -56,7 +56,7 @@ var NodeHelper = Class.extend({
 	 *
 	 * argument path string - Module path.
 	 */
-	setPath: function (path) {
+	setPath(path) {
 		this.path = path;
 	},

@@ -66,7 +66,7 @@ var NodeHelper = Class.extend({
 	 * argument notification string - The identifier of the notification.
 	 * argument payload mixed - The payload of the notification.
 	 */
-	sendSocketNotification: function (notification, payload) {
+	sendSocketNotification(notification, payload) {
 		this.io.of(this.name).emit(notification, payload);
 	},

@@ -76,11 +76,10 @@ var NodeHelper = Class.extend({
 	 *
 	 * argument app Express app - The Express app object.
 	 */
-	setExpressApp: function (app) {
+	setExpressApp(app) {
 		this.expressApp = app;

-		var publicPath = this.path + "/public";
-		app.use("/" + this.name, express.static(publicPath));
+		app.use(`/${this.name}`, express.static(`${this.path}/public`));
 	},

 	/* setSocketIO(io)
@@ -89,27 +88,25 @@ var NodeHelper = Class.extend({
 	 *
 	 * argument io Socket.io - The Socket io object.
 	 */
-	setSocketIO: function (io) {
-		var self = this;
-		self.io = io;
+	setSocketIO(io) {
+		this.io = io;

-		Log.log("Connecting socket for: " + this.name);
-		var namespace = this.name;
-		io.of(namespace).on("connection", function (socket) {
+		Log.log(`Connecting socket for: ${this.name}`);
+
+		io.of(this.name).on("connection", (socket) => {
 			// add a catch all event.
-			var onevent = socket.onevent;
+			const onevent = socket.onevent;
 			socket.onevent = function (packet) {
-				var args = packet.data || [];
+				const args = packet.data || [];
 				onevent.call(this, packet); // original call
 				packet.data = ["*"].concat(args);
 				onevent.call(this, packet); // additional call to catch-all
 			};

 			// register catch all.
-			socket.on("*", function (notification, payload) {
+			socket.on("*", (notification, payload) => {
 				if (notification !== "*") {
-					//Log.log('received message in namespace: ' + namespace);
-					self.socketNotificationReceived(notification, payload);
+					this.socketNotificationReceived(notification, payload);
 				}
 			});
 		});
@@ -120,7 +117,4 @@ NodeHelper.create = function (moduleDefinition) {
 	return NodeHelper.extend(moduleDefinition);
 };

-/*************** DO NOT EDIT THE LINE BELOW ***************/
-if (typeof module !== "undefined") {
-	module.exports = NodeHelper;
-}
+module.exports = NodeHelper;
--- a/js/server.js
+++ b/js/server.js
@@ -4,25 +4,29 @@
 * By Michael Teeuw https://michaelteeuw.nl
 * MIT Licensed.
 */
-var express = require("express");
-var app = require("express")();
-var path = require("path");
-var ipfilter = require("express-ipfilter").IpFilter;
-var fs = require("fs");
-var helmet = require("helmet");
+const express = require("express");
+const app = require("express")();
+const path = require("path");
+const ipfilter = require("express-ipfilter").IpFilter;
+const fs = require("fs");
+const helmet = require("helmet");

-var Log = require("./logger.js");
-var Utils = require("./utils.js");
+const Log = require("logger");
+const Utils = require("./utils.js");

-var Server = function (config, callback) {
-	var port = config.port;
-	if (process.env.MM_PORT) {
-		port = process.env.MM_PORT;
-	}
+/**
+ * Server
+ *
+ * @param {object} config The MM config
+ * @param {Function} callback Function called when done.
+ * @class
+ */
+function Server(config, callback) {
+	const port = process.env.MM_PORT || config.port;

-	var server = null;
+	let server = null;
 	if (config.useHttps) {
-		var options = {
+		const options = {
 			key: fs.readFileSync(config.httpsPrivateKey),
 			cert: fs.readFileSync(config.httpsCertificate)
 		};
@@ -30,18 +34,24 @@ var Server = function (config, callback) {
 	} else {
 		server = require("http").Server(app);
 	}
-	var io = require("socket.io")(server);
+	const io = require("socket.io")(server, {
+		cors: {
+			origin: /.*$/,
+			credentials: true
+		},
+		allowEIO3: true
+	});

-	Log.log("Starting server on port " + port + " ... ");
+	Log.log(`Starting server on port ${port} ... `);

-	server.listen(port, config.address ? config.address : "localhost");
+	server.listen(port, config.address || "localhost");

 	if (config.ipWhitelist instanceof Array && config.ipWhitelist.length === 0) {
 		Log.warn(Utils.colors.warn("You're using a full whitelist configuration to allow for all IPs"));
 	}

 	app.use(function (req, res, next) {
-		var result = ipfilter(config.ipWhitelist, { mode: config.ipWhitelist.length === 0 ? "deny" : "allow", log: false })(req, res, function (err) {
+		ipfilter(config.ipWhitelist, { mode: config.ipWhitelist.length === 0 ? "deny" : "allow", log: false })(req, res, function (err) {
 			if (err === undefined) {
 				return next();
 			}
@@ -52,10 +62,9 @@ var Server = function (config, callback) {
 	app.use(helmet({ contentSecurityPolicy: false }));

 	app.use("/js", express.static(__dirname));
-	var directories = ["/config", "/css", "/fonts", "/modules", "/vendor", "/translations", "/tests/configs"];
-	var directory;
-	for (var i in directories) {
-		directory = directories[i];
+
+	const directories = ["/config", "/css", "/fonts", "/modules", "/vendor", "/translations", "/tests/configs"];
+	for (const directory of directories) {
 		app.use(directory, express.static(path.resolve(global.root_path + directory)));
 	}

@@ -68,10 +77,10 @@ var Server = function (config, callback) {
 	});

 	app.get("/", function (req, res) {
-		var html = fs.readFileSync(path.resolve(global.root_path + "/index.html"), { encoding: "utf8" });
+		let html = fs.readFileSync(path.resolve(`${global.root_path}/index.html`), { encoding: "utf8" });
 		html = html.replace("#VERSION#", global.version);

-		var configFile = "config/config.js";
+		let configFile = "config/config.js";
 		if (typeof global.configuration_file !== "undefined") {
 			configFile = global.configuration_file;
 		}
@@ -83,6 +92,6 @@ var Server = function (config, callback) {
 	if (typeof callback === "function") {
 		callback(app, io);
 	}
-};
+}

 module.exports = Server;
--- a/js/translator.js
+++ b/js/translator.js
@@ -103,26 +103,19 @@ var Translator = (function () {
 		 * @param {boolean} isFallback Flag to indicate fallback translations.
 		 * @param {Function} callback Function called when done.
 		 */
-		load: function (module, file, isFallback, callback) {
-			if (!isFallback) {
-				Log.log(module.name + " - Load translation: " + file);
-			} else {
-				Log.log(module.name + " - Load translation fallback: " + file);
+		load(module, file, isFallback, callback) {
+			Log.log(`${module.name} - Load translation${isFallback && " fallback"}: ${file}`);
+
+			if (this.translationsFallback[module.name]) {
+				callback();
+				return;
 			}

-			var self = this;
-			if (!this.translationsFallback[module.name]) {
-				loadJSON(module.file(file), function (json) {
-					if (!isFallback) {
-						self.translations[module.name] = json;
-					} else {
-						self.translationsFallback[module.name] = json;
-					}
-					callback();
-				});
-			} else {
+			loadJSON(module.file(file), (json) => {
+				const property = isFallback ? "translationsFallback" : "translations";
+				this[property][module.name] = json;
 				callback();
-			}
+			});
 		},

 		/**
--- a/js/utils.js
+++ b/js/utils.js
@@ -4,9 +4,9 @@
 * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
 * MIT Licensed.
 */
-var colors = require("colors/safe");
+const colors = require("colors/safe");

-var Utils = {
+module.exports = {
 	colors: {
 		warn: colors.yellow,
 		error: colors.red,
@@ -14,7 +14,3 @@ var Utils = {
 		pass: colors.green
 	}
 };
-
-if (typeof module !== "undefined") {
-	module.exports = Utils;
-}