Issue 6449 - Switch to Harmony modules

lib/options.js

Index: lib/options.js
===================================================================
--- a/lib/options.js
+++ b/lib/options.js
@@ -12,22 +12,20 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /** @module options */
 
-"use strict";
-
-const {getDecodedHostname} = require("url");
-const {checkWhitelisted} = require("whitelisting");
-const {port} = require("messaging");
-const info = require("info");
+import {getDecodedHostname} from "url";
+import {checkWhitelisted} from "whitelisting";
+import {port} from "messaging";
+import info from "info";
 
 const optionsUrl = "options.html";
 
 function findOptionsTab(callback)
 {
   browser.tabs.query({}, tabs =>
   {
     // We find a tab ourselves because Edge has a bug when quering tabs with
@@ -117,23 +115,22 @@
         }
       }
 
       port.on("app.listen", onMessage);
     });
   }
 }
 
-let showOptions =
 /**
  * Opens the options page.
  *
  * @param {function} callback
  */
-exports.showOptions = callback =>
+export const showOptions = callback =>
 {
   findOptionsTab(optionsTab =>
   {
     // Edge does not yet support runtime.openOptionsPage (tested version 38)
     if ("openOptionsPage" in browser.runtime &&
         // Some versions of Firefox for Android before version 57 do have a
         // runtime.openOptionsPage but it doesn't do anything.
         // https://bugzilla.mozilla.org/show_bug.cgi?id=1364945