Issue 4871 - Start using ESLint for adblockplusui

i18n.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 12 matching lines @@
 
 // Getting UI locale cannot be done synchronously on Firefox,
 // requires messaging the background page. For Chrome and Safari,
 // we could get the UI locale here, but would need to duplicate
 // the logic implemented in Utils.appLocale.
 ext.backgroundPage.sendMessage(
   {
     type: "app.get",
     what: "localeInfo"
   },
-  localeInfo =>
+  (localeInfo) =>
   {
     document.documentElement.lang = localeInfo.locale;
     document.documentElement.dir = localeInfo.bidiDir;
   }
 );
 
 // Inserts i18n strings into matching elements. Any inner HTML already
 // in the element is parsed as JSON and used as parameters to
 // substitute into placeholders in the i18n message.
 ext.i18n.setElementText = function(element, stringName, args)
@@ skipping 18 matching lines @@
   while (element.lastChild)
     element.removeChild(element.lastChild);
   processString(ext.i18n.getMessage(stringName, args), element);
 };
 
 // Loads i18n strings
 function loadI18nStrings()
 {
   function addI18nStringsToElements(containerElement)
   {
-    for (let node of containerElement.querySelectorAll("[class^='i18n_']"))
+    let elements = containerElement.querySelectorAll("[class^='i18n_']");
+    for (let node of elements)
     {
       let args = JSON.parse("[" + node.textContent + "]");
       if (args.length == 0)
         args = null;
 
       let {className} = node;
       if (className instanceof SVGAnimatedString)
         className = className.animVal;
       let stringName = className.split(/\s/)[0].substring(5);
 
@@ skipping 21 matching lines @@
 }
 
 // Formats date string to ["YYYY-MM-DD", "mm:ss"] format
 function i18nFormatDateTime(when)
 {
   let date = new Date(when);
   let dateParts = [date.getFullYear(), date.getMonth() + 1, date.getDate(),
                    date.getHours(), date.getMinutes()];
 
   dateParts = dateParts.map(
-    datePart => datePart < 10 ? "0" + datePart : datePart
+    (datePart) => datePart < 10 ? "0" + datePart : datePart
   );
 
   return [dateParts.splice(0, 3).join("-"), dateParts.join(":")];
 }
 
 // Fill in the strings as soon as possible
 window.addEventListener("DOMContentLoaded", loadI18nStrings, true);