--- a/mandarake-direct-link.user.js	Wed Jul 10 22:30:14 2019 +0900
+++ b/mandarake-direct-link.user.js	Wed Jul 10 22:36:31 2019 +0900
@@ -10,33 +10,34 @@
 // @downloadURL  https://bitbucket.org/nanayapro/ec-userscripts/raw/tip/mandarake-direct-link.user.js
 // ==/UserScript==
 
-;(function() {
-  "use strict";
+/* global $ */
+;(function () {
+  'use strict'
 
-  $(".r18mark").remove();
-  $(".r18item ~ a[href^='#adult_confirm']").remove();
+  $('.r18mark').remove()
+  $(".r18item ~ a[href^='#adult_confirm']").remove()
 
-  var fixR18Link = function(_i, el) {
-    var url = `/order/detailPage/item?itemCode=${el.id}`;
+  var fixR18Link = function (_i, el) {
+    var url = `/order/detailPage/item?itemCode=${el.id}`
 
-    el.setAttribute("href", url);
-    el.setAttribute("class", "");
-  };
+    el.setAttribute('href', url)
+    el.setAttribute('class', '')
+  }
 
-  $("[href^='#adult_confirm']").each(fixR18Link);
+  $("[href^='#adult_confirm']").each(fixR18Link)
 
-  var currentQuery = new URLSearchParams(location.search);
-  var fixSearchLink = function(_i, el) {
-    var query = new URLSearchParams(el.search);
+  var currentQuery = new URLSearchParams(window.location.search)
+  var fixSearchLink = function (_i, el) {
+    var query = new URLSearchParams(el.search)
 
     for (let [key, value] of currentQuery) {
       if (!query.has(key)) {
-        query.set(key, value);
+        query.set(key, value)
       }
     }
 
-    el.setAttribute("href", `/order/listPage/list?${query.toString()}`);
-  };
+    el.setAttribute('href', `/order/listPage/list?${query.toString()}`)
+  }
 
-  $("[href^='/order/listPage/list?']").each(fixSearchLink);
-}).call();
+  $("[href^='/order/listPage/list?']").each(fixSearchLink)
+}).call()