refactor: remove unused args

public/src/utils.js

@@ -2,9 +2,7 @@
 
 (function (factory) {
 	if (typeof module === 'object' && module.exports) {
-		const winston = require('winston');
+		module.exports = factory();
-
-		module.exports = factory(require('xregexp'), winston);
 
 		process.profile = function (operation, start) {
 			console.log('%s took %d milliseconds', operation, process.elapsedTimeSince(start));
@@ -15,14 +13,12 @@
 			return (diff[0] * 1e3) + (diff[1] / 1e6);
 		};
 	} else {
-		window.utils = factory(window.XRegExp, console);
+		window.utils = factory();
 	}
 	// eslint-disable-next-line
-}(function (XRegExp, console) {
+}(function () {
-	const freeze = Object.freeze || function (obj) { return obj; };
-
 	// add default escape function for escaping HTML entities
-	const escapeCharMap = freeze({
+	const escapeCharMap = Object.freeze({
 		'&': '&',
 		'<': '&lt;',
 		'>': '&gt;',
@@ -36,7 +32,7 @@
 	}
 	const escapeChars = /[&<>"'`=]/g;
 
-	const HTMLEntities = freeze({
+	const HTMLEntities = Object.freeze({
 		amp: '&',
 		gt: '>',
 		lt: '<',
@@ -373,13 +369,13 @@
 			return utils.languageKeyRegex.test(input);
 		},
 		userLangToTimeagoCode: function (userLang) {
-			const mapping = {
+			const mapping = Object.create(null, {
 				'en-GB': 'en',
 				'en-US': 'en',
 				'fa-IR': 'fa',
 				'pt-BR': 'pt-br',
 				nb: 'no',
-			};
+			});
 			return mapping[userLang] || userLang;
 		},
 		// shallow objects merge
@@ -401,7 +397,7 @@
 			return ('' + path).split('.').pop();
 		},
 
-		extensionMimeTypeMap: {
+		extensionMimeTypeMap: Object.create(null, {
 			bmp: 'image/bmp',
 			cmx: 'image/x-cmx',
 			cod: 'image/cis-cod',
@@ -425,7 +421,7 @@
 			xbm: 'image/x-xbitmap',
 			xpm: 'image/x-xpixmap',
 			xwd: 'image/x-xwindowdump',
-		},
+		}),
 
 		fileMimeType: function (path) {
 			return utils.extensionToMimeType(utils.fileExtension(path));