1 files changed, 32 insertions, 31 deletions

diff --git a/lib/rdoc/generator/template/darkfish/js/search.js b/lib/rdoc/generator/template/darkfish/js/search.js
index 60ac295e6c..b558ca5b4f 100644
--- a/lib/rdoc/generator/template/darkfish/js/search.js
+++ b/lib/rdoc/generator/template/darkfish/js/search.js
@@ -1,29 +1,29 @@
 Search = function(data, input, result) {
   this.data = data;
-  this.$input = $(input);
-  this.$result = $(result);
+  this.input = input;
+  this.result = result;
 
-  this.$current = null;
-  this.$view = this.$result.parent();
+  this.current = null;
+  this.view = this.result.parentNode;
   this.searcher = new Searcher(data.index);
   this.init();
 }
 
-Search.prototype = $.extend({}, Navigation, new function() {
+Search.prototype = Object.assign({}, Navigation, new function() {
   var suid = 1;
 
   this.init = function() {
     var _this = this;
     var observer = function(e) {
-      switch(e.originalEvent.keyCode) {
+      switch(e.keyCode) {
         case 38: // Event.KEY_UP
         case 40: // Event.KEY_DOWN
           return;
       }
-      _this.search(_this.$input[0].value);
+      _this.search(_this.input.value);
     };
-    this.$input.keyup(observer);
-    this.$input.click(observer); // mac's clear field
+    this.input.addEventListener('keyup', observer);
+    this.input.addEventListener('click', observer); // mac's clear field
 
     this.searcher.ready(function(results, isLast) {
       _this.addResults(results, isLast);
@@ -34,7 +34,7 @@ Search.prototype = $.extend({}, Navigation, new function() {
   }
 
   this.search = function(value, selectFirstMatch) {
-    value = jQuery.trim(value).toLowerCase();
+    value = value.trim().toLowerCase();
     if (value) {
       this.setNavigationActive(true);
     } else {
@@ -43,23 +43,23 @@ Search.prototype = $.extend({}, Navigation, new function() {
 
     if (value == '') {
       this.lastQuery = value;
-      this.$result.empty();
-      this.$result.attr('aria-expanded', 'false');
+      this.result.innerHTML = '';
+      this.result.setAttribute('aria-expanded', 'false');
       this.setNavigationActive(false);
     } else if (value != this.lastQuery) {
       this.lastQuery = value;
-      this.$result.attr('aria-busy',     'true');
-      this.$result.attr('aria-expanded', 'true');
+      this.result.setAttribute('aria-busy',     'true');
+      this.result.setAttribute('aria-expanded', 'true');
       this.firstRun = true;
       this.searcher.find(value);
     }
   }
 
   this.addResults = function(results, isLast) {
-    var target = this.$result.get(0);
+    var target = this.result;
     if (this.firstRun && (results.length > 0 || isLast)) {
-      this.$current = null;
-      this.$result.empty();
+      this.current = null;
+      this.result.innerHTML = '';
     }
 
     for (var i=0, l = results.length; i < l; i++) {
@@ -70,25 +70,26 @@ Search.prototype = $.extend({}, Navigation, new function() {
 
     if (this.firstRun && results.length > 0) {
       this.firstRun = false;
-      this.$current = $(target.firstChild);
-      this.$current.addClass('search-selected');
+      this.current = target.firstChild;
+      this.current.classList.add('search-selected');
     }
-    if (jQuery.browser.msie) this.$element[0].className += '';
+    //TODO: ECMAScript
+    //if (jQuery.browser.msie) this.$element[0].className += '';
 
-    if (isLast) this.$result.attr('aria-busy', 'false');
+    if (isLast) this.result.setAttribute('aria-busy', 'false');
   }
 
   this.move = function(isDown) {
-    if (!this.$current) return;
-    var $next = this.$current[isDown ? 'next' : 'prev']();
-    if ($next.length) {
-      this.$current.removeClass('search-selected');
-      $next.addClass('search-selected');
-      this.$input.attr('aria-activedescendant', $next.attr('id'));
-      this.scrollIntoView($next[0], this.$view[0]);
-      this.$current = $next;
-      this.$input.val($next[0].firstChild.firstChild.text);
-      this.$input.select();
+    if (!this.current) return;
+    var next = isDown ? this.current.nextElementSibling : this.current.previousElementSibling;
+    if (next) {
+      this.current.classList.remove('search-selected');
+      next.classList.add('search-selected');
+      this.input.setAttribute('aria-activedescendant', next.getAttribute('id'));
+      this.scrollIntoView(next, this.view);
+      this.current = next;
+      this.input.value = next.firstChild.firstChild.text;
+      this.input.select();
     }
     return true;
   }