Fix issue where certain versions of Safari treat class names case-insensitively in Selector/$$ queries. [#390 state:resolved]

This reverts commit 160f85f518.

.gitignore

@@ -1 +1,3 @@
-.DS_Store
+.DS_Store
+pkg
+test/unit/tmp/*

CHANGELOG

@@ -1,3 +1,9 @@
+* Fix issue where certain versions of Safari treat class names case-insensitively in Selector/$$ queries. (Andrew Dupont, kangax, Brice)
+
+* Fix issue where Function#argumentNames returned incorrect results in IE when comments were intermixed with argument names. (Christophe Porteneuve, T.J. Crowder)
+
+* Performance improvements in Function methods (Samuel Lebeau, kangax, jddalton, Tobie Langel).
+
 *1.6.0.3* (September 29, 2008)
 
 * Add support for the Chrome browser in jstest.rb. (Andrew Dupont)

dist/.gitignore

@@ -1 +1,2 @@
-prototype.js
+prototype.js
+prototype_update_helper.js

lib/protodoc.rb

@@ -21,6 +21,7 @@ module Protodoc
     include Environment
     
     def initialize(filename)
+      filename = File.join(filename.split('/'))
       @filename = File.expand_path(filename)
       @template = ERB.new(IO.read(@filename), nil, '%')
     end

src/ajax.js

@@ -1,391 +0,0 @@
-var Ajax = {
-  getTransport: function() {
-    return Try.these(
-      function() {return new XMLHttpRequest()},
-      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
-    ) || false;
-  },
-  
-  activeRequestCount: 0
-};
-
-Ajax.Responders = {
-  responders: [],
-  
-  _each: function(iterator) {
-    this.responders._each(iterator);
-  },
-
-  register: function(responder) {
-    if (!this.include(responder))
-      this.responders.push(responder);
-  },
-  
-  unregister: function(responder) {
-    this.responders = this.responders.without(responder);
-  },
-  
-  dispatch: function(callback, request, transport, json) {
-    this.each(function(responder) {
-      if (Object.isFunction(responder[callback])) {
-        try {
-          responder[callback].apply(responder, [request, transport, json]);
-        } catch (e) { }
-      }
-    });
-  }
-};
-
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
-  onCreate:   function() { Ajax.activeRequestCount++ }, 
-  onComplete: function() { Ajax.activeRequestCount-- }
-});
-
-Ajax.Base = Class.create({
-  initialize: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      encoding:     'UTF-8',
-      parameters:   '',
-      evalJSON:     true,
-      evalJS:       true
-    };
-    Object.extend(this.options, options || { });
-    
-    this.options.method = this.options.method.toLowerCase();
-    
-    if (Object.isString(this.options.parameters)) 
-      this.options.parameters = this.options.parameters.toQueryParams();
-    else if (Object.isHash(this.options.parameters))
-      this.options.parameters = this.options.parameters.toObject();
-  }
-});
-
-Ajax.Request = Class.create(Ajax.Base, {
-  _complete: false,
-  
-  initialize: function($super, url, options) {
-    $super(options);
-    this.transport = Ajax.getTransport();
-    this.request(url);
-  },
-
-  request: function(url) {
-    this.url = url;
-    this.method = this.options.method;
-    var params = Object.clone(this.options.parameters);
-
-    if (!['get', 'post'].include(this.method)) {
-      // simulate other verbs over post
-      params['_method'] = this.method;
-      this.method = 'post';
-    }
-    
-    this.parameters = params;
-
-    if (params = Object.toQueryString(params)) {
-      // when GET, append parameters to URL
-      if (this.method == 'get')
-        this.url += (this.url.include('?') ? '&' : '?') + params;
-      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
-        params += '&_=';
-    }
-      
-    try {
-      var response = new Ajax.Response(this);
-      if (this.options.onCreate) this.options.onCreate(response);
-      Ajax.Responders.dispatch('onCreate', this, response);
-    
-      this.transport.open(this.method.toUpperCase(), this.url, 
-        this.options.asynchronous);
-
-      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
-      
-      this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
-
-      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
-      this.transport.send(this.body);
-
-      /* Force Firefox to handle ready state 4 for synchronous requests */
-      if (!this.options.asynchronous && this.transport.overrideMimeType)
-        this.onStateChange();
-        
-    }
-    catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  onStateChange: function() {
-    var readyState = this.transport.readyState;
-    if (readyState > 1 && !((readyState == 4) && this._complete))
-      this.respondToReadyState(this.transport.readyState);
-  },
-  
-  setRequestHeaders: function() {
-    var headers = {
-      'X-Requested-With': 'XMLHttpRequest',
-      'X-Prototype-Version': Prototype.Version,
-      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
-    };
-
-    if (this.method == 'post') {
-      headers['Content-type'] = this.options.contentType +
-        (this.options.encoding ? '; charset=' + this.options.encoding : '');
-      
-      /* Force "Connection: close" for older Mozilla browsers to work
-       * around a bug where XMLHttpRequest sends an incorrect
-       * Content-length header. See Mozilla Bugzilla #246651. 
-       */
-      if (this.transport.overrideMimeType &&
-          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
-            headers['Connection'] = 'close';
-    }
-    
-    // user-defined headers
-    if (typeof this.options.requestHeaders == 'object') {
-      var extras = this.options.requestHeaders;
-
-      if (Object.isFunction(extras.push))
-        for (var i = 0, length = extras.length; i < length; i += 2) 
-          headers[extras[i]] = extras[i+1];
-      else
-        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
-    }
-
-    for (var name in headers) 
-      this.transport.setRequestHeader(name, headers[name]);
-  },
-  
-  success: function() {
-    var status = this.getStatus();
-    return !status || (status >= 200 && status < 300);
-  },
-    
-  getStatus: function() {
-    try {
-      return this.transport.status || 0;
-    } catch (e) { return 0 } 
-  },
-  
-  respondToReadyState: function(readyState) {
-    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
-
-    if (state == 'Complete') {
-      try {
-        this._complete = true;
-        (this.options['on' + response.status]
-         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(response, response.headerJSON);
-      } catch (e) {
-        this.dispatchException(e);
-      }
-      
-      var contentType = response.getHeader('Content-type');
-      if (this.options.evalJS == 'force'
-          || (this.options.evalJS && this.isSameOrigin() && contentType 
-          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
-        this.evalResponse();
-    }
-
-    try {
-      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
-      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
-    } catch (e) {
-      this.dispatchException(e);
-    }
-    
-    if (state == 'Complete') {
-      // avoid memory leak in MSIE: clean up
-      this.transport.onreadystatechange = Prototype.emptyFunction;
-    }
-  },
-  
-  isSameOrigin: function() {
-    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
-    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
-      protocol: location.protocol,
-      domain: document.domain,
-      port: location.port ? ':' + location.port : ''
-    }));
-  },
-  
-  getHeader: function(name) {
-    try {
-      return this.transport.getResponseHeader(name) || null;
-    } catch (e) { return null }
-  },
-  
-  evalResponse: function() {
-    try {
-      return eval((this.transport.responseText || '').unfilterJSON());
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  dispatchException: function(exception) {
-    (this.options.onException || Prototype.emptyFunction)(this, exception);
-    Ajax.Responders.dispatch('onException', this, exception);
-  }
-});
-
-Ajax.Request.Events = 
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Response = Class.create({
-  initialize: function(request){
-    this.request = request;
-    var transport  = this.transport  = request.transport,
-        readyState = this.readyState = transport.readyState;
-    
-    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
-      this.status       = this.getStatus();
-      this.statusText   = this.getStatusText();
-      this.responseText = String.interpret(transport.responseText);
-      this.headerJSON   = this._getHeaderJSON();
-    }
-    
-    if(readyState == 4) {
-      var xml = transport.responseXML;
-      this.responseXML  = Object.isUndefined(xml) ? null : xml;
-      this.responseJSON = this._getResponseJSON();
-    }
-  },
-  
-  status:      0,
-  statusText: '',
-  
-  getStatus: Ajax.Request.prototype.getStatus,
-  
-  getStatusText: function() {
-    try {
-      return this.transport.statusText || '';
-    } catch (e) { return '' }
-  },
-  
-  getHeader: Ajax.Request.prototype.getHeader,
-  
-  getAllHeaders: function() {
-    try {
-      return this.getAllResponseHeaders();
-    } catch (e) { return null } 
-  },
-  
-  getResponseHeader: function(name) {
-    return this.transport.getResponseHeader(name);
-  },
-  
-  getAllResponseHeaders: function() {
-    return this.transport.getAllResponseHeaders();
-  },
-  
-  _getHeaderJSON: function() {
-    var json = this.getHeader('X-JSON');
-    if (!json) return null;
-    json = decodeURIComponent(escape(json));
-    try {
-      return json.evalJSON(this.request.options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  },
-  
-  _getResponseJSON: function() {
-    var options = this.request.options;
-    if (!options.evalJSON || (options.evalJSON != 'force' && 
-      !(this.getHeader('Content-type') || '').include('application/json')) || 
-        this.responseText.blank())
-          return null;
-    try {
-      return this.responseText.evalJSON(options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  }
-});
-
-Ajax.Updater = Class.create(Ajax.Request, {
-  initialize: function($super, container, url, options) {
-    this.container = {
-      success: (container.success || container),
-      failure: (container.failure || (container.success ? null : container))
-    };
-
-    options = Object.clone(options);
-    var onComplete = options.onComplete;
-    options.onComplete = (function(response, json) {
-      this.updateContent(response.responseText);
-      if (Object.isFunction(onComplete)) onComplete(response, json);
-    }).bind(this);
-
-    $super(url, options);
-  },
-
-  updateContent: function(responseText) {
-    var receiver = this.container[this.success() ? 'success' : 'failure'], 
-        options = this.options;
-    
-    if (!options.evalScripts) responseText = responseText.stripScripts();
-    
-    if (receiver = $(receiver)) {
-      if (options.insertion) {
-        if (Object.isString(options.insertion)) {
-          var insertion = { }; insertion[options.insertion] = responseText;
-          receiver.insert(insertion);
-        }
-        else options.insertion(receiver, responseText);
-      } 
-      else receiver.update(responseText);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
-  initialize: function($super, container, url, options) {
-    $super(options);
-    this.onComplete = this.options.onComplete;
-
-    this.frequency = (this.options.frequency || 2);
-    this.decay = (this.options.decay || 1);
-    
-    this.updater = { };
-    this.container = container;
-    this.url = url;
-
-    this.start();
-  },
-
-  start: function() {
-    this.options.onComplete = this.updateComplete.bind(this);
-    this.onTimerEvent();
-  },
-
-  stop: function() {
-    this.updater.options.onComplete = undefined;
-    clearTimeout(this.timer);
-    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
-  },
-
-  updateComplete: function(response) {
-    if (this.options.decay) {
-      this.decay = (response.responseText == this.lastText ? 
-        this.decay * this.options.decay : 1);
-
-      this.lastText = response.responseText;
-    }
-    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
-  },
-
-  onTimerEvent: function() {
-    this.updater = new Ajax.Updater(this.container, this.url, this.options);
-  }
-});

src/ajax/ajax.js

@@ -0,0 +1,11 @@
+var Ajax = {
+  getTransport: function() {
+    return Try.these(
+      function() {return new XMLHttpRequest()},
+      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
+      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
+    ) || false;
+  },
+  
+  activeRequestCount: 0
+};

src/ajax/base.js

@@ -0,0 +1,21 @@
+Ajax.Base = Class.create({
+  initialize: function(options) {
+    this.options = {
+      method:       'post',
+      asynchronous: true,
+      contentType:  'application/x-www-form-urlencoded',
+      encoding:     'UTF-8',
+      parameters:   '',
+      evalJSON:     true,
+      evalJS:       true
+    };
+    Object.extend(this.options, options || { });
+    
+    this.options.method = this.options.method.toLowerCase();
+    
+    if (Object.isString(this.options.parameters)) 
+      this.options.parameters = this.options.parameters.toQueryParams();
+    else if (Object.isHash(this.options.parameters))
+      this.options.parameters = this.options.parameters.toObject();
+  }
+});

src/ajax/periodical_updater.js

@@ -0,0 +1,40 @@
+Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
+  initialize: function($super, container, url, options) {
+    $super(options);
+    this.onComplete = this.options.onComplete;
+
+    this.frequency = (this.options.frequency || 2);
+    this.decay = (this.options.decay || 1);
+    
+    this.updater = { };
+    this.container = container;
+    this.url = url;
+
+    this.start();
+  },
+
+  start: function() {
+    this.options.onComplete = this.updateComplete.bind(this);
+    this.onTimerEvent();
+  },
+
+  stop: function() {
+    this.updater.options.onComplete = undefined;
+    clearTimeout(this.timer);
+    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
+  },
+
+  updateComplete: function(response) {
+    if (this.options.decay) {
+      this.decay = (response.responseText == this.lastText ? 
+        this.decay * this.options.decay : 1);
+
+      this.lastText = response.responseText;
+    }
+    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
+  },
+
+  onTimerEvent: function() {
+    this.updater = new Ajax.Updater(this.container, this.url, this.options);
+  }
+});

src/ajax/request.js

@@ -0,0 +1,172 @@
+Ajax.Request = Class.create(Ajax.Base, {
+  _complete: false,
+  
+  initialize: function($super, url, options) {
+    $super(options);
+    this.transport = Ajax.getTransport();
+    this.request(url);
+  },
+
+  request: function(url) {
+    this.url = url;
+    this.method = this.options.method;
+    var params = Object.clone(this.options.parameters);
+
+    if (!['get', 'post'].include(this.method)) {
+      // simulate other verbs over post
+      params['_method'] = this.method;
+      this.method = 'post';
+    }
+    
+    this.parameters = params;
+
+    if (params = Object.toQueryString(params)) {
+      // when GET, append parameters to URL
+      if (this.method == 'get')
+        this.url += (this.url.include('?') ? '&' : '?') + params;
+      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
+        params += '&_=';
+    }
+      
+    try {
+      var response = new Ajax.Response(this);
+      if (this.options.onCreate) this.options.onCreate(response);
+      Ajax.Responders.dispatch('onCreate', this, response);
+    
+      this.transport.open(this.method.toUpperCase(), this.url, 
+        this.options.asynchronous);
+
+      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
+      
+      this.transport.onreadystatechange = this.onStateChange.bind(this);
+      this.setRequestHeaders();
+
+      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
+      this.transport.send(this.body);
+
+      /* Force Firefox to handle ready state 4 for synchronous requests */
+      if (!this.options.asynchronous && this.transport.overrideMimeType)
+        this.onStateChange();
+        
+    }
+    catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  onStateChange: function() {
+    var readyState = this.transport.readyState;
+    if (readyState > 1 && !((readyState == 4) && this._complete))
+      this.respondToReadyState(this.transport.readyState);
+  },
+  
+  setRequestHeaders: function() {
+    var headers = {
+      'X-Requested-With': 'XMLHttpRequest',
+      'X-Prototype-Version': Prototype.Version,
+      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
+    };
+
+    if (this.method == 'post') {
+      headers['Content-type'] = this.options.contentType +
+        (this.options.encoding ? '; charset=' + this.options.encoding : '');
+      
+      /* Force "Connection: close" for older Mozilla browsers to work
+       * around a bug where XMLHttpRequest sends an incorrect
+       * Content-length header. See Mozilla Bugzilla #246651. 
+       */
+      if (this.transport.overrideMimeType &&
+          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
+            headers['Connection'] = 'close';
+    }
+    
+    // user-defined headers
+    if (typeof this.options.requestHeaders == 'object') {
+      var extras = this.options.requestHeaders;
+
+      if (Object.isFunction(extras.push))
+        for (var i = 0, length = extras.length; i < length; i += 2) 
+          headers[extras[i]] = extras[i+1];
+      else
+        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+    }
+
+    for (var name in headers) 
+      this.transport.setRequestHeader(name, headers[name]);
+  },
+  
+  success: function() {
+    var status = this.getStatus();
+    return !status || (status >= 200 && status < 300);
+  },
+    
+  getStatus: function() {
+    try {
+      return this.transport.status || 0;
+    } catch (e) { return 0 } 
+  },
+  
+  respondToReadyState: function(readyState) {
+    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
+
+    if (state == 'Complete') {
+      try {
+        this._complete = true;
+        (this.options['on' + response.status]
+         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+         || Prototype.emptyFunction)(response, response.headerJSON);
+      } catch (e) {
+        this.dispatchException(e);
+      }
+      
+      var contentType = response.getHeader('Content-type');
+      if (this.options.evalJS == 'force'
+          || (this.options.evalJS && this.isSameOrigin() && contentType 
+          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
+        this.evalResponse();
+    }
+
+    try {
+      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
+      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
+    } catch (e) {
+      this.dispatchException(e);
+    }
+    
+    if (state == 'Complete') {
+      // avoid memory leak in MSIE: clean up
+      this.transport.onreadystatechange = Prototype.emptyFunction;
+    }
+  },
+  
+  isSameOrigin: function() {
+    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
+    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
+      protocol: location.protocol,
+      domain: document.domain,
+      port: location.port ? ':' + location.port : ''
+    }));
+  },
+  
+  getHeader: function(name) {
+    try {
+      return this.transport.getResponseHeader(name) || null;
+    } catch (e) { return null }
+  },
+  
+  evalResponse: function() {
+    try {
+      return eval((this.transport.responseText || '').unfilterJSON());
+    } catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  dispatchException: function(exception) {
+    (this.options.onException || Prototype.emptyFunction)(this, exception);
+    Ajax.Responders.dispatch('onException', this, exception);
+  }
+});
+
+Ajax.Request.Events = 
+  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

src/ajax/responders.js

@@ -0,0 +1,33 @@
+Ajax.Responders = {
+  responders: [],
+  
+  _each: function(iterator) {
+    this.responders._each(iterator);
+  },
+
+  register: function(responder) {
+    if (!this.include(responder))
+      this.responders.push(responder);
+  },
+  
+  unregister: function(responder) {
+    this.responders = this.responders.without(responder);
+  },
+  
+  dispatch: function(callback, request, transport, json) {
+    this.each(function(responder) {
+      if (Object.isFunction(responder[callback])) {
+        try {
+          responder[callback].apply(responder, [request, transport, json]);
+        } catch (e) { }
+      }
+    });
+  }
+};
+
+Object.extend(Ajax.Responders, Enumerable);
+
+Ajax.Responders.register({
+  onCreate:   function() { Ajax.activeRequestCount++ }, 
+  onComplete: function() { Ajax.activeRequestCount-- }
+});

src/ajax/response.js

@@ -0,0 +1,73 @@
+Ajax.Response = Class.create({
+  initialize: function(request){
+    this.request = request;
+    var transport  = this.transport  = request.transport,
+        readyState = this.readyState = transport.readyState;
+    
+    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
+      this.status       = this.getStatus();
+      this.statusText   = this.getStatusText();
+      this.responseText = String.interpret(transport.responseText);
+      this.headerJSON   = this._getHeaderJSON();
+    }
+    
+    if(readyState == 4) {
+      var xml = transport.responseXML;
+      this.responseXML  = Object.isUndefined(xml) ? null : xml;
+      this.responseJSON = this._getResponseJSON();
+    }
+  },
+  
+  status:      0,
+  statusText: '',
+  
+  getStatus: Ajax.Request.prototype.getStatus,
+  
+  getStatusText: function() {
+    try {
+      return this.transport.statusText || '';
+    } catch (e) { return '' }
+  },
+  
+  getHeader: Ajax.Request.prototype.getHeader,
+  
+  getAllHeaders: function() {
+    try {
+      return this.getAllResponseHeaders();
+    } catch (e) { return null } 
+  },
+  
+  getResponseHeader: function(name) {
+    return this.transport.getResponseHeader(name);
+  },
+  
+  getAllResponseHeaders: function() {
+    return this.transport.getAllResponseHeaders();
+  },
+  
+  _getHeaderJSON: function() {
+    var json = this.getHeader('X-JSON');
+    if (!json) return null;
+    json = decodeURIComponent(escape(json));
+    try {
+      return json.evalJSON(this.request.options.sanitizeJSON ||
+        !this.request.isSameOrigin());
+    } catch (e) {
+      this.request.dispatchException(e);
+    }
+  },
+  
+  _getResponseJSON: function() {
+    var options = this.request.options;
+    if (!options.evalJSON || (options.evalJSON != 'force' && 
+      !(this.getHeader('Content-type') || '').include('application/json')) || 
+        this.responseText.blank())
+          return null;
+    try {
+      return this.responseText.evalJSON(options.sanitizeJSON ||
+        !this.request.isSameOrigin());
+    } catch (e) {
+      this.request.dispatchException(e);
+    }
+  }
+});

src/ajax/updater.js

@@ -0,0 +1,35 @@
+Ajax.Updater = Class.create(Ajax.Request, {
+  initialize: function($super, container, url, options) {
+    this.container = {
+      success: (container.success || container),
+      failure: (container.failure || (container.success ? null : container))
+    };
+
+    options = Object.clone(options);
+    var onComplete = options.onComplete;
+    options.onComplete = (function(response, json) {
+      this.updateContent(response.responseText);
+      if (Object.isFunction(onComplete)) onComplete(response, json);
+    }).bind(this);
+
+    $super(url, options);
+  },
+
+  updateContent: function(responseText) {
+    var receiver = this.container[this.success() ? 'success' : 'failure'], 
+        options = this.options;
+    
+    if (!options.evalScripts) responseText = responseText.stripScripts();
+    
+    if (receiver = $(receiver)) {
+      if (options.insertion) {
+        if (Object.isString(options.insertion)) {
+          var insertion = { }; insertion[options.insertion] = responseText;
+          receiver.insert(insertion);
+        }
+        else options.insertion(receiver, responseText);
+      } 
+      else receiver.update(responseText);
+    }
+  }
+});

src/base.js

@@ -1,285 +0,0 @@
-/* Based on Alex Arnell's inheritance implementation. */
-var Class = {
-  create: function() {
-    var parent = null, properties = $A(arguments);
-    if (Object.isFunction(properties[0]))
-      parent = properties.shift();
-    
-    function klass() {
-      this.initialize.apply(this, arguments);
-    }
-    
-    Object.extend(klass, Class.Methods);
-    klass.superclass = parent;
-    klass.subclasses = [];
-    
-    if (parent) {
-      var subclass = function() { };
-      subclass.prototype = parent.prototype;
-      klass.prototype = new subclass;
-      parent.subclasses.push(klass);
-    }
-    
-    for (var i = 0; i < properties.length; i++)
-      klass.addMethods(properties[i]);
-      
-    if (!klass.prototype.initialize)
-      klass.prototype.initialize = Prototype.emptyFunction;
-    
-    klass.prototype.constructor = klass;
-    
-    return klass;
-  }
-};
-
-Class.Methods = {
-  addMethods: function(source) {
-    var ancestor   = this.superclass && this.superclass.prototype;
-    var properties = Object.keys(source);
-    
-    if (!Object.keys({ toString: true }).length)
-      properties.push("toString", "valueOf");
-    
-    for (var i = 0, length = properties.length; i < length; i++) {
-      var property = properties[i], value = source[property];
-      if (ancestor && Object.isFunction(value) &&
-          value.argumentNames().first() == "$super") {
-        var method = value;
-        value = (function(m) {
-          return function() { return ancestor[m].apply(this, arguments) };
-        })(property).wrap(method);
-
-        value.valueOf = method.valueOf.bind(method);
-        value.toString = method.toString.bind(method);
-      }
-      this.prototype[property] = value;
-    }
-    
-    return this;
-  }
-};
-
-var Abstract = { };
-
-Object.extend = function(destination, source) {
-  for (var property in source)
-    destination[property] = source[property];
-  return destination;
-};
-
-Object.extend(Object, {
-  inspect: function(object) {
-    try {
-      if (Object.isUndefined(object)) return 'undefined';
-      if (object === null) return 'null';
-      return object.inspect ? object.inspect() : String(object);
-    } catch (e) {
-      if (e instanceof RangeError) return '...';
-      throw e;
-    }
-  },
-  
-  toJSON: function(object) {
-    var type = typeof object;
-    switch (type) {
-      case 'undefined':
-      case 'function':
-      case 'unknown': return;
-      case 'boolean': return object.toString();
-    }
-    
-    if (object === null) return 'null';
-    if (object.toJSON) return object.toJSON();
-    if (Object.isElement(object)) return;
-    
-    var results = [];
-    for (var property in object) {
-      var value = Object.toJSON(object[property]);
-      if (!Object.isUndefined(value))
-        results.push(property.toJSON() + ': ' + value);
-    }
-    
-    return '{' + results.join(', ') + '}';
-  },
-  
-  toQueryString: function(object) {
-    return $H(object).toQueryString();
-  },
-  
-  toHTML: function(object) {
-    return object && object.toHTML ? object.toHTML() : String.interpret(object);
-  },
-  
-  keys: function(object) {
-    var keys = [];
-    for (var property in object)
-      keys.push(property);
-    return keys;
-  },
-  
-  values: function(object) {
-    var values = [];
-    for (var property in object)
-      values.push(object[property]);
-    return values;
-  },
-  
-  clone: function(object) {
-    return Object.extend({ }, object);
-  },
-  
-  isElement: function(object) {
-    return !!(object && object.nodeType == 1);
-  },
-  
-  isArray: function(object) {
-    return object != null && typeof object == "object" &&
-      'splice' in object && 'join' in object;
-  },
-  
-  isHash: function(object) {
-    return object instanceof Hash;
-  },
-  
-  isFunction: function(object) {
-    return typeof object == "function";
-  },
-  
-  isString: function(object) {
-    return typeof object == "string";
-  },
-  
-  isNumber: function(object) {
-    return typeof object == "number";
-  },
-  
-  isUndefined: function(object) {
-    return typeof object == "undefined";
-  }
-});
-
-Object.extend(Function.prototype, {
-  argumentNames: function() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
-      .replace(/\s+/g, '').split(',');
-    return names.length == 1 && !names[0] ? [] : names;
-  },
-  
-  bind: function() {
-    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function() {
-      return __method.apply(object, args.concat($A(arguments)));
-    }
-  },
-  
-  bindAsEventListener: function() {
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function(event) {
-      return __method.apply(object, [event || window.event].concat(args));
-    }
-  },
-  
-  curry: function() {
-    if (!arguments.length) return this;
-    var __method = this, args = $A(arguments);
-    return function() {
-      return __method.apply(this, args.concat($A(arguments)));
-    }
-  },
-
-  delay: function() { 
-    var __method = this, args = $A(arguments), timeout = args.shift() * 1000; 
-    return window.setTimeout(function() {
-      return __method.apply(__method, args);
-    }, timeout);
-  },
-  
-  defer: function() {
-    var args = [0.01].concat($A(arguments));
-    return this.delay.apply(this, args);
-  },
-  
-  wrap: function(wrapper) {
-    var __method = this;
-    return function() {
-      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); 
-    }
-  },
-  
-  methodize: function() {
-    if (this._methodized) return this._methodized;
-    var __method = this;
-    return this._methodized = function() {
-      return __method.apply(null, [this].concat($A(arguments)));
-    };
-  }
-});
-
-Date.prototype.toJSON = function() {
-  return '"' + this.getUTCFullYear() + '-' +
-    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
-    this.getUTCDate().toPaddedString(2) + 'T' +
-    this.getUTCHours().toPaddedString(2) + ':' +
-    this.getUTCMinutes().toPaddedString(2) + ':' +
-    this.getUTCSeconds().toPaddedString(2) + 'Z"';
-};
-
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-
-    return returnValue;
-  }
-};
-
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
-  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
-};
-
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create({
-  initialize: function(callback, frequency) {
-    this.callback = callback;
-    this.frequency = frequency;
-    this.currentlyExecuting = false;
-
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  execute: function() {
-    this.callback(this);
-  },
-  
-  stop: function() {
-    if (!this.timer) return;
-    clearInterval(this.timer);
-    this.timer = null;
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.execute();
-      } finally {
-        this.currentlyExecuting = false;
-      }
-    }
-  }
-});

src/dom/event.js

@@ -0,0 +1,378 @@
+(function() {
+  var Event = {
+    KEY_BACKSPACE: 8,
+    KEY_TAB:       9,
+    KEY_RETURN:   13,
+    KEY_ESC:      27,
+    KEY_LEFT:     37,
+    KEY_UP:       38,
+    KEY_RIGHT:    39,
+    KEY_DOWN:     40,
+    KEY_DELETE:   46,
+    KEY_HOME:     36,
+    KEY_END:      35,
+    KEY_PAGEUP:   33,
+    KEY_PAGEDOWN: 34,
+    KEY_INSERT:   45,
+
+    cache: {}
+  };
+
+  var _isButton;
+  if (Prototype.Browser.IE) {
+    // IE doesn't map left/right/middle the same way.
+    var buttonMap = { 0: 1, 1: 4, 2: 2 };
+    _isButton = function(event, code) {
+      return event.button === buttonMap[code];
+    };
+  } else if (Prototype.Browser.WebKit) {
+    // In Safari we have to account for when the user holds down
+    // the "meta" key.
+    _isButton = function(event, code) {
+      switch (code) {
+        case 0: return event.which == 1 && !event.metaKey;
+        case 1: return event.which == 1 && event.metaKey;
+        default: return false;
+      }
+    };
+  } else {
+    _isButton = function(event, code) {
+      return event.which ? (event.which === code + 1) : (event.button === code);
+    };
+  }
+
+  function isLeftClick(event)   { return _isButton(event, 0) }
+  function isMiddleClick(event) { return _isButton(event, 1) }
+  function isRightClick(event)  { return _isButton(event, 2) }
+
+  function element(event) {
+    event = Event.extend(event);
+
+    var node = event.target, type = event.type,
+     currentTarget = event.currentTarget;
+
+    if (currentTarget && currentTarget.tagName) {
+      // Firefox screws up the "click" event when moving between radio buttons
+      // via arrow keys. It also screws up the "load" and "error" events on images,
+      // reporting the document as the target instead of the original image.
+      if (type === 'load' || type === 'error' ||
+        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+          && currentTarget.type === 'radio'))
+            node = currentTarget;
+    }
+
+    // Fix a Safari bug where a text node gets passed as the target of an
+    // anchor click rather than the anchor itself.
+    if (node.nodeType == Node.TEXT_NODE)
+      node = node.parentNode;
+
+    return Element.extend(node);
+  }
+
+  function findElement(event, expression) {
+    var element = Event.element(event);
+    if (!expression) return element;
+    var elements = [element].concat(element.ancestors());
+    return Selector.findElement(elements, expression, 0);
+  }
+
+  function pointer(event) {
+    var docElement = document.documentElement,
+     body = document.body || { scrollLeft: 0, scrollTop: 0 };
+    return {
+      x: event.pageX || (event.clientX +
+        (docElement.scrollLeft || body.scrollLeft) -
+        (docElement.clientLeft || 0)),
+      y: event.pageY || (event.clientY +
+        (docElement.scrollTop || body.scrollTop) -
+        (docElement.clientTop || 0))
+    };
+  }
+
+  function pointerX(event) { return Event.pointer(event).x }
+  function pointerY(event) { return Event.pointer(event).y }
+
+  function stop(event) {
+    Event.extend(event);
+    event.preventDefault();
+    event.stopPropagation();
+
+    // Set a "stopped" property so that a custom event can be inspected
+    // after the fact to determine whether or not it was stopped.
+    event.stopped = true;
+  }
+
+  Event.Methods = {
+    isLeftClick: isLeftClick,
+    isMiddleClick: isMiddleClick,
+    isRightClick: isRightClick,
+
+    element: element,
+    findElement: findElement,
+
+    pointer: pointer,
+    pointerX: pointerX,
+    pointerY: pointerY,
+
+    stop: stop
+  };
+
+
+  // Compile the list of methods that get extended onto Events.
+  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
+    m[name] = Event.Methods[name].methodize();
+    return m;
+  });
+
+  if (Prototype.Browser.IE) {
+    function _relatedTarget(event) {
+      var element;
+      switch (event.type) {
+        case 'mouseover': element = event.fromElement; break;
+        case 'mouseout':  element = event.toElement;   break;
+        default: return null;
+      }
+      return Element.extend(element);
+    }
+
+    Object.extend(methods, {
+      stopPropagation: function() { this.cancelBubble = true },
+      preventDefault:  function() { this.returnValue = false },
+      inspect: function() { return '[object Event]' }
+    });
+
+    // IE's method for extending events.
+    Event.extend = function(event) {
+      if (!event) return false;
+      if (event._extendedByPrototype) return event;
+
+      event._extendedByPrototype = Prototype.emptyFunction;
+      var pointer = Event.pointer(event);
+      Object.extend(event, {
+        target: event.srcElement,
+        relatedTarget: _relatedTarget(event),
+        pageX:  pointer.x,
+        pageY:  pointer.y
+      });
+      return Object.extend(event, methods);
+    };
+  } else {
+    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
+    Object.extend(Event.prototype, methods);
+    Event.extend = Prototype.K;
+  }
+
+  function _getEventID(element) {
+    if (element._prototypeEventID) return element._prototypeEventID[0];
+    return element._prototypeEventID = [++arguments.callee.id];
+  }
+  _getEventID.id = 1;
+
+  function _getDOMEventName(eventName) {
+    if (eventName && eventName.include(':')) return 'dataavailable';
+    return eventName;
+  }
+
+  function _getCacheForID(id) {
+    return Event.cache[id] = Event.cache[id] || { };
+  }
+
+  function _getRespondersForEvent(id, eventName) {
+    var c = _getCacheForID(id);
+    return c[eventName] = c[eventName] || [];
+  }
+
+  function _createResponder(element, eventName, handler) {
+    var id = _getEventID(element), r = _getRespondersForEvent(id, eventName);
+
+    // Work around the issue that permits a handler to be attached more than
+    // once to the same element & event type.
+    if (r.pluck('handler').include(handler)) return false;
+
+    var responder = function(event) {
+      if (!Event || !Event.extend ||
+      // If it's a custom event, but not the _correct_ custom event, ignore it.
+       (!Object.isUndefined(event.eventName) && event.eventName !== eventName))
+        return false;
+
+      Event.extend(event);
+      handler.call(element, event);
+    };
+
+    responder.handler = handler;
+    r.push(responder);
+    return responder;
+  }
+
+  function _findResponder(id, eventName, handler) {
+    var r = _getRespondersForEvent(id, eventName);
+    return r.find(function(responder) {
+      return responder.handler === handler;
+    });
+  }
+
+  function _destroyResponder(id, eventName, handler) {
+    var c = _getCacheForID(id);
+    if (Object.isUndefined(c[eventName])) return false;
+    c[eventName] = c[eventName].without(_findResponder(id, eventName, handler));
+  }
+
+  function _destroyCache() {
+    for (var id in Event.cache) {
+      for (var eventName in Event.cache[id])
+        Event.cache[id][eventName] = null;
+    }
+  }
+
+  // Internet Explorer needs to remove event handlers on page unload
+  // in order to avoid memory leaks.
+  if (Prototype.Browser.IE)
+    window.attachEvent('onunload', _destroyCache);
+
+  // Safari needs a dummy event handler on page unload so that it won't
+  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
+  // object when page is returned to via the back button using its bfcache.
+  if (Prototype.Browser.WebKit)
+    window.addEventListener('unload', Prototype.emptyFunction, false);
+
+
+  function observe(element, eventName, handler) {
+    element = $(element);
+    var name = _getDOMEventName(eventName),
+     responder = _createResponder(element, eventName, handler);
+
+    if (!responder) return element;
+
+    if (element.addEventListener)
+      element.addEventListener(name, responder, false);
+    else
+      element.attachEvent("on" + name, responder);
+
+    return element;
+  }
+
+  function stopObserving(element, eventName, handler) {
+    element = $(element);
+    var id = _getEventID(element), name = _getDOMEventName(eventName);
+
+    if (eventName && !handler) {
+      // If an event name is passed without a handler, we stop observing all
+      // handlers of that type.
+      _getRespondersForEvent(id, eventName).each(function(r) {
+        element.stopObserving(eventName, r.handler);
+      });
+      return element;
+    } else if (!eventName) {
+      // If both the event name and the handler are omitted, we stop observing
+      // _all_ handlers on the element.
+      Object.keys(_getCacheForID(id)).each(function(eventName) {
+        element.stopObserving(eventName);
+      });
+      return element;
+    }
+
+    var responder = _findResponder(id, eventName, handler);
+    if (!responder) return element;
+
+    if (element.removeEventListener)
+      element.removeEventListener(name, responder, false);
+    else
+      element.detachEvent('on' + name, responder);
+
+    _destroyResponder(id, eventName, handler);
+
+    return element;
+  }
+
+  function fire(element, eventName, memo) {
+    element = $(element);
+    if (element == document && document.createEvent && !element.dispatchEvent)
+      element = document.documentElement;
+
+    var event;
+    if (document.createEvent) {
+      event = document.createEvent('HTMLEvents');
+      event.initEvent('dataavailable', true, true);
+    } else {
+      event = document.createEventObject();
+      event.eventType = 'ondataavailable';
+    }
+
+    event.eventName = eventName;
+    event.memo = memo || { };
+
+    if (document.createEvent)
+      element.dispatchEvent(event);
+    else
+      element.fireEvent(event.eventType, event);
+
+    return Event.extend(event);
+  }
+
+
+  Object.extend(Event, Event.Methods);
+
+  Object.extend(Event, {
+    fire:          fire,
+    observe:       observe,
+    stopObserving: stopObserving
+  });
+
+  Element.addMethods({
+    fire:          fire,
+    observe:       observe,
+    stopObserving: stopObserving
+  });
+
+  Object.extend(document, {
+    fire:          fire.methodize(),
+    observe:       observe.methodize(),
+    stopObserving: stopObserving.methodize(),
+    loaded:        false
+  });
+
+  // Export to the global scope.
+  if (window.Event) Object.extend(window.Event, Event)
+  else window.Event = Event;
+})();
+
+(function() {
+  /* Support for the DOMContentLoaded event is based on work by Dan Webb, 
+     Matthias Miller, Dean Edwards and John Resig. */
+
+  var _timer;
+  
+  function _fireContentLoadedEvent() {
+    if (document.loaded) return;
+    if (_timer) window.clearInterval(_timer);
+    
+    document.fire("dom:loaded");
+    document.loaded = true;
+  }
+  
+  function _webkitContentLoadedCheck() {
+    var s = document.readyState;
+    if (s === "loaded" || s === "complete")
+      _fireContentLoadedEvent();
+  }
+  
+  function _IEContentLoadedCheck() {
+    if (this.readyState == "complete") {
+      this.onreadystatechange = null; 
+      _fireContentLoadedEvent();
+    }
+  }
+  
+  if (document.addEventListener) {
+    if (Prototype.Browser.WebKit) {
+      _timer = window.setInterval(_webkitContentLoadedCheck, 0);
+      Event.observe(window, "load", _fireContentLoadedEvent);
+    } else {
+      document.addEventListener("DOMContentLoaded",
+        _fireContentLoadedEvent, false);
+    }
+  } else {
+    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
+    $("__onDOMContentLoaded").onreadystatechange = _IEContentLoadedCheck;
+  }
+})();

src/dom/selector.js

@@ -38,6 +38,8 @@ var Selector = Class.create({
   
   shouldUseSelectorsAPI: function() {
     if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
+        
+    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;
     
     if (!Selector._div) Selector._div = new Element('div');
 
@@ -177,6 +179,25 @@ var Selector = Class.create({
   }
 });
 
+if (Prototype.BrowserFeatures.SelectorsAPI &&
+ document.compatMode === 'BackCompat') {
+  // Versions of Safari 3 before 3.1.2 treat class names case-insensitively in
+  // quirks mode. If we detect this behavior, we should use a different
+  // approach.
+  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
+    var div = document.createElement('div'),
+     span = document.createElement('span');
+
+    div.id = "prototype_test_id";
+    span.className = 'Test';
+    div.appendChild(span);
+    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
+    div = span = null;
+    alert(isIgnored);
+    return isIgnored;
+  })();
+}
+
 Object.extend(Selector, {
   _cache: { },
   

src/event.js

@@ -1,348 +0,0 @@
-if (!window.Event) var Event = { };
-
-Object.extend(Event, {
-  KEY_BACKSPACE: 8,
-  KEY_TAB:       9,
-  KEY_RETURN:   13,
-  KEY_ESC:      27,
-  KEY_LEFT:     37,
-  KEY_UP:       38,
-  KEY_RIGHT:    39,
-  KEY_DOWN:     40,
-  KEY_DELETE:   46,
-  KEY_HOME:     36,
-  KEY_END:      35,
-  KEY_PAGEUP:   33,
-  KEY_PAGEDOWN: 34,
-  KEY_INSERT:   45,
-  
-  cache: { },
-
-  relatedTarget: function(event) {
-    var element;
-    switch(event.type) {
-      case 'mouseover': element = event.fromElement; break;
-      case 'mouseout':  element = event.toElement;   break;
-      default: return null;
-    }
-    return Element.extend(element);
-  }
-});
-
-Event.Methods = (function() {
-  var isButton;
-
-  if (Prototype.Browser.IE) {
-    var buttonMap = { 0: 1, 1: 4, 2: 2 };
-    isButton = function(event, code) {
-      return event.button == buttonMap[code];
-    };
-    
-  } else if (Prototype.Browser.WebKit) {
-    isButton = function(event, code) {
-      switch (code) {
-        case 0: return event.which == 1 && !event.metaKey;
-        case 1: return event.which == 1 && event.metaKey;
-        default: return false;
-      }
-    };
-    
-  } else {
-    isButton = function(event, code) {
-      return event.which ? (event.which === code + 1) : (event.button === code);
-    };
-  }
-
-  return {
-    isLeftClick:   function(event) { return isButton(event, 0) },
-    isMiddleClick: function(event) { return isButton(event, 1) },
-    isRightClick:  function(event) { return isButton(event, 2) },
-    
-    element: function(event) {
-      event = Event.extend(event);
-      
-      var node          = event.target,
-          type          = event.type,
-          currentTarget = event.currentTarget;
-      
-      if (currentTarget && currentTarget.tagName) {
-        // Firefox screws up the "click" event when moving between radio buttons
-        // via arrow keys. It also screws up the "load" and "error" events on images,
-        // reporting the document as the target instead of the original image.
-        if (type === 'load' || type === 'error' ||
-          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
-            && currentTarget.type === 'radio'))
-              node = currentTarget;
-      }
-      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
-      return Element.extend(node);
-    },
-
-    findElement: function(event, expression) {
-      var element = Event.element(event);
-      if (!expression) return element;
-      var elements = [element].concat(element.ancestors());
-      return Selector.findElement(elements, expression, 0);
-    },
-
-    pointer: function(event) {
-      var docElement = document.documentElement,
-      body = document.body || { scrollLeft: 0, scrollTop: 0 };
-      return {
-        x: event.pageX || (event.clientX + 
-          (docElement.scrollLeft || body.scrollLeft) -
-          (docElement.clientLeft || 0)),
-        y: event.pageY || (event.clientY + 
-          (docElement.scrollTop || body.scrollTop) -
-          (docElement.clientTop || 0))
-      };
-    },
-
-    pointerX: function(event) { return Event.pointer(event).x },
-    pointerY: function(event) { return Event.pointer(event).y },
-
-    stop: function(event) {
-      Event.extend(event);
-      event.preventDefault();
-      event.stopPropagation();
-      event.stopped = true;
-    }
-  };
-})();
-
-Event.extend = (function() {
-  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
-    m[name] = Event.Methods[name].methodize();
-    return m;
-  });
-  
-  if (Prototype.Browser.IE) {
-    Object.extend(methods, {
-      stopPropagation: function() { this.cancelBubble = true },
-      preventDefault:  function() { this.returnValue = false },
-      inspect: function() { return "[object Event]" }
-    });
-
-    return function(event) {
-      if (!event) return false;
-      if (event._extendedByPrototype) return event;
-      
-      event._extendedByPrototype = Prototype.emptyFunction;
-      var pointer = Event.pointer(event);
-      Object.extend(event, {
-        target: event.srcElement,
-        relatedTarget: Event.relatedTarget(event),
-        pageX:  pointer.x,
-        pageY:  pointer.y
-      });
-      return Object.extend(event, methods);
-    };
-    
-  } else {
-    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
-    Object.extend(Event.prototype, methods);
-    return Prototype.K;
-  }
-})();
-
-Object.extend(Event, (function() {
-  var cache = Event.cache;
-
-  function getEventID(element) {
-    if (element._prototypeEventID) return element._prototypeEventID[0];
-    arguments.callee.id = arguments.callee.id || 1;
-    return element._prototypeEventID = [++arguments.callee.id];
-  }
-  
-  function getDOMEventName(eventName) {
-    if (eventName && eventName.include(':')) return "dataavailable";
-    return eventName;
-  }
-  
-  function getCacheForID(id) {
-    return cache[id] = cache[id] || { };
-  }
-  
-  function getWrappersForEventName(id, eventName) {
-    var c = getCacheForID(id);
-    return c[eventName] = c[eventName] || [];
-  }
-  
-  function createWrapper(element, eventName, handler) {
-    var id = getEventID(element);
-    var c = getWrappersForEventName(id, eventName);
-    if (c.pluck("handler").include(handler)) return false;
-    
-    var wrapper = function(event) {
-      if (!Event || !Event.extend ||
-        (event.eventName && event.eventName != eventName))
-          return false;
-      
-      Event.extend(event);
-      handler.call(element, event);
-    };
-    
-    wrapper.handler = handler;
-    c.push(wrapper);
-    return wrapper;
-  }
-  
-  function findWrapper(id, eventName, handler) {
-    var c = getWrappersForEventName(id, eventName);
-    return c.find(function(wrapper) { return wrapper.handler == handler });
-  }
-  
-  function destroyWrapper(id, eventName, handler) {
-    var c = getCacheForID(id);
-    if (!c[eventName]) return false;
-    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
-  }
-  
-  function destroyCache() {
-    for (var id in cache)
-      for (var eventName in cache[id])
-        cache[id][eventName] = null;
-  }
-  
-  
-  // Internet Explorer needs to remove event handlers on page unload
-  // in order to avoid memory leaks.
-  if (window.attachEvent) {
-    window.attachEvent("onunload", destroyCache);
-  }
-  
-  // Safari has a dummy event handler on page unload so that it won't
-  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
-  // object when page is returned to via the back button using its bfcache.
-  if (Prototype.Browser.WebKit) {    
-    window.addEventListener('unload', Prototype.emptyFunction, false);
-  }
-    
-  return {
-    observe: function(element, eventName, handler) {
-      element = $(element);
-      var name = getDOMEventName(eventName);
-      
-      var wrapper = createWrapper(element, eventName, handler);
-      if (!wrapper) return element;
-      
-      if (element.addEventListener) {
-        element.addEventListener(name, wrapper, false);
-      } else {
-        element.attachEvent("on" + name, wrapper);
-      }
-      
-      return element;
-    },
-  
-    stopObserving: function(element, eventName, handler) {
-      element = $(element);
-      var id = getEventID(element), name = getDOMEventName(eventName);
-      
-      if (!handler && eventName) {
-        getWrappersForEventName(id, eventName).each(function(wrapper) {
-          element.stopObserving(eventName, wrapper.handler);
-        });
-        return element;
-        
-      } else if (!eventName) {
-        Object.keys(getCacheForID(id)).each(function(eventName) {
-          element.stopObserving(eventName);
-        });
-        return element;
-      }
-      
-      var wrapper = findWrapper(id, eventName, handler);
-      if (!wrapper) return element;
-      
-      if (element.removeEventListener) {
-        element.removeEventListener(name, wrapper, false);
-      } else {
-        element.detachEvent("on" + name, wrapper);
-      }
-      
-      destroyWrapper(id, eventName, handler);
-      
-      return element;
-    },
-  
-    fire: function(element, eventName, memo) {
-      element = $(element);
-      if (element == document && document.createEvent && !element.dispatchEvent)
-        element = document.documentElement;
-        
-      var event;
-      if (document.createEvent) {
-        event = document.createEvent("HTMLEvents");
-        event.initEvent("dataavailable", true, true);
-      } else {
-        event = document.createEventObject();
-        event.eventType = "ondataavailable";
-      }
-
-      event.eventName = eventName;
-      event.memo = memo || { };
-
-      if (document.createEvent) {
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent(event.eventType, event);
-      }
-
-      return Event.extend(event);
-    }
-  };
-})());
-
-Object.extend(Event, Event.Methods);
-
-Element.addMethods({
-  fire:          Event.fire,
-  observe:       Event.observe,
-  stopObserving: Event.stopObserving
-});
-
-Object.extend(document, {
-  fire:          Element.Methods.fire.methodize(),
-  observe:       Element.Methods.observe.methodize(),
-  stopObserving: Element.Methods.stopObserving.methodize(),
-  loaded:        false
-});
-
-(function() {
-  /* Support for the DOMContentLoaded event is based on work by Dan Webb, 
-     Matthias Miller, Dean Edwards and John Resig. */
-
-  var timer;
-  
-  function fireContentLoadedEvent() {
-    if (document.loaded) return;
-    if (timer) window.clearInterval(timer);
-    document.fire("dom:loaded");
-    document.loaded = true;
-  }
-  
-  if (document.addEventListener) {
-    if (Prototype.Browser.WebKit) {
-      timer = window.setInterval(function() {
-        if (/loaded|complete/.test(document.readyState))
-          fireContentLoadedEvent();
-      }, 0);
-      
-      Event.observe(window, "load", fireContentLoadedEvent);
-      
-    } else {
-      document.addEventListener("DOMContentLoaded", 
-        fireContentLoadedEvent, false);
-    }
-    
-  } else {
-    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
-    $("__onDOMContentLoaded").onreadystatechange = function() { 
-      if (this.readyState == "complete") {
-        this.onreadystatechange = null; 
-        fireContentLoadedEvent();
-      }
-    }; 
-  }
-})();

src/hash.js

@@ -1,101 +0,0 @@
-function $H(object) {
-  return new Hash(object);
-};
-
-var Hash = Class.create(Enumerable, (function() {
-
-  function toQueryPair(key, value) {
-    if (Object.isUndefined(value)) return key;
-    return key + '=' + encodeURIComponent(String.interpret(value));
-  }
-
-  return {
-    initialize: function(object) {
-      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
-    },
-
-    _each: function(iterator) {
-      for (var key in this._object) {
-        var value = this._object[key], pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    },
-
-    set: function(key, value) { 
-      return this._object[key] = value;
-    },
-
-    get: function(key) {
-      // simulating poorly supported hasOwnProperty
-      if (this._object[key] !== Object.prototype[key])
-        return this._object[key];
-    },
-
-    unset: function(key) {
-      var value = this._object[key];
-      delete this._object[key];
-      return value;
-    },
-
-    toObject: function() {
-      return Object.clone(this._object);
-    },
-
-    keys: function() {
-      return this.pluck('key');
-    },
-
-    values: function() {
-      return this.pluck('value');
-    },
-
-    index: function(value) {
-      var match = this.detect(function(pair) { 
-        return pair.value === value; 
-      });
-      return match && match.key;
-    },
-
-    merge: function(object) {
-      return this.clone().update(object);
-    },
-
-    update: function(object) {
-      return new Hash(object).inject(this, function(result, pair) {
-        result.set(pair.key, pair.value);
-        return result;
-      });
-    },
-
-    toQueryString: function() {
-      return this.inject([], function(results, pair) {
-        var key = encodeURIComponent(pair.key), values = pair.value;
-
-        if (values && typeof values == 'object') {
-          if (Object.isArray(values))
-            return results.concat(values.map(toQueryPair.curry(key)));
-        } else results.push(toQueryPair(key, values));
-        return results;
-      }).join('&');
-    },
-
-    inspect: function() {
-      return '#<Hash:{' + this.map(function(pair) {
-        return pair.map(Object.inspect).join(': ');
-      }).join(', ') + '}>';
-    },
-
-    toJSON: function() {
-      return Object.toJSON(this.toObject());
-    },
-
-    clone: function() {
-      return new Hash(this);
-    }
-  }
-})());
-
-Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
-Hash.from = $H;

src/lang/array.js

@@ -21,86 +21,95 @@ if (Prototype.Browser.WebKit) {
   };
 }
 
+function $w(string) {
+  if (!Object.isString(string)) return [];
+  string = string.strip();
+  return string ? string.split(/\s+/) : [];
+}
+
 Array.from = $A;
 
-Object.extend(Array.prototype, Enumerable);
-
-if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
-
-Object.extend(Array.prototype, {
-  _each: function(iterator) {
+(function() {
+  var arrayProto = Array.prototype,
+      slice = arrayProto.slice,
+      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
+  
+  function each(iterator) {
     for (var i = 0, length = this.length; i < length; i++)
       iterator(this[i]);
-  },
+  }
+  if (!_each) _each = each;
   
-  clear: function() {
+  function clear() {
     this.length = 0;
     return this;
-  },
-  
-  first: function() {
+  }
+
+  function first() {
     return this[0];
-  },
-  
-  last: function() {
+  }
+
+  function last() {
     return this[this.length - 1];
-  },
-  
-  compact: function() {
+  }
+
+  function compact() {
     return this.select(function(value) {
       return value != null;
     });
-  },
-  
-  flatten: function() {
+  }
+
+  function flatten() {
     return this.inject([], function(array, value) {
-      return array.concat(Object.isArray(value) ?
-        value.flatten() : [value]);
+      if (Object.isArray(value))
+        return array.concat(value.flatten());
+      array.push(value);
+      return array;
     });
-  },
-  
-  without: function() {
-    var values = $A(arguments);
+  }
+
+  function without() {
+    var values = slice.call(arguments, 0);
     return this.select(function(value) {
       return !values.include(value);
     });
-  },
-  
-  reverse: function(inline) {
+  }
+
+  function reverse(inline) {
     return (inline !== false ? this : this.toArray())._reverse();
-  },
-  
-  reduce: function() {
+  }
+
+  function reduce() {
     return this.length > 1 ? this : this[0];
-  },
-  
-  uniq: function(sorted) {
+  }
+
+  function uniq(sorted) {
     return this.inject([], function(array, value, index) {
       if (0 == index || (sorted ? array.last() != value : !array.include(value)))
         array.push(value);
       return array;
     });
-  },
-  
-  intersect: function(array) { 
+  }
+
+  function intersect(array) { 
     return this.uniq().findAll(function(item) { 
       return array.detect(function(value) { return item === value });
     }); 
-  },
-  
-  clone: function() {
-    return [].concat(this);
-  },
-  
-  size: function() {
+  }
+
+  function clone() {
+    return slice.call(this, 0);
+  }
+
+  function size() {
     return this.length;
-  },
-  
-  inspect: function() {
+  }
+
+  function inspect() {
     return '[' + this.map(Object.inspect).join(', ') + ']';
-  },
-  
-  toJSON: function() {
+  }
+
+  function toJSON() {
     var results = [];
     this.each(function(object) {
       var value = Object.toJSON(object);
@@ -108,37 +117,23 @@ Object.extend(Array.prototype, {
     });
     return '[' + results.join(', ') + ']';
   }
-});
-
-// use native browser JS 1.6 implementation if available
-if (Object.isFunction(Array.prototype.forEach))
-  Array.prototype._each = Array.prototype.forEach;
-
-if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
-  i || (i = 0);
-  var length = this.length;
-  if (i < 0) i = length + i;
-  for (; i < length; i++)
-    if (this[i] === item) return i;
-  return -1;
-};
-
-if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
-  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
-  var n = this.slice(0, i).reverse().indexOf(item);
-  return (n < 0) ? n : i - n - 1;
-};
-
-Array.prototype.toArray = Array.prototype.clone;
-
-function $w(string) {
-  if (!Object.isString(string)) return [];
-  string = string.strip();
-  return string ? string.split(/\s+/) : [];
-}
-
-if (Prototype.Browser.Opera){
-  Array.prototype.concat = function() {
+  
+  function indexOf(item, i) {
+    i || (i = 0);
+    var length = this.length;
+    if (i < 0) i = length + i;
+    for (; i < length; i++)
+      if (this[i] === item) return i;
+    return -1;
+  }
+  
+  function lastIndexOf(item, i) {
+    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
+    var n = this.slice(0, i).reverse().indexOf(item);
+    return (n < 0) ? n : i - n - 1;
+  }
+  
+  function concat() {
     var array = [];
     for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
     for (var i = 0, length = arguments.length; i < length; i++) {
@@ -150,5 +145,34 @@ if (Prototype.Browser.Opera){
       }
     }
     return array;
-  };
-}
+  }
+  
+  Object.extend(arrayProto, Enumerable);
+  
+  if (!arrayProto._reverse)
+    arrayProto._reverse = arrayProto.reverse;
+  
+  Object.extend(arrayProto, {
+    _each:     _each,
+    clear:     clear,
+    first:     first,
+    last:      last,
+    compact:   compact,
+    flatten:   flatten,
+    without:   without,
+    reverse:   reverse,
+    reduce:    reduce,
+    uniq:      uniq,
+    intersect: intersect,
+    clone:     clone,
+    toArray:   clone,
+    size:      size,
+    inspect:   inspect,
+    toJSON:    toJSON
+  });
+  
+  // use native browser JS 1.6 implementation if available
+  if (!'indexOf'     in arrayProto) arrayProto.indexOf     = indexOf;
+  if (!'lastIndexOf' in arrayProto) arrayProto.lastIndexOf = lastIndexOf;
+  if (!'concat'      in arrayProto) arrayProto.concat      = concat;
+})();

src/lang/class.js

@@ -0,0 +1,64 @@
+/* Based on Alex Arnell's inheritance implementation. */
+var Class = (function() {
+  function create() {
+    var parent = null, properties = $A(arguments);
+    if (Object.isFunction(properties[0]))
+      parent = properties.shift();
+      
+    function klass() {
+      this.initialize.apply(this, arguments);
+    }
+    
+    Object.extend(klass, Class.Methods);
+    klass.superclass = parent;
+    klass.subclasses = [];
+    
+    if (parent) {
+      var subclass = function() {};
+      subclass.prototype = parent.prototype;
+      klass.prototype = new subclass;
+      parent.subclasses.push(klass);
+    }
+    
+    for (var i = 0; i < properties.length; i++)
+      klass.addMethods(properties[i]);
+      
+    if (!klass.prototype.initialize)
+      klass.prototype.initialize = Prototype.emptyFunction;
+      
+    klass.prototype.constructor = klass;
+    return klass;      
+  }
+  
+  function addMethods(source) {
+    var ancestor   = this.superclass && this.superclass.prototype;
+    var properties = Object.keys(source);
+    
+    if (!Object.keys({ toString: true }).length)
+      properties.push("toString", "valueOf");
+    
+    for (var i = 0, length = properties.length; i < length; i++) {
+      var property = properties[i], value = source[property];
+      if (ancestor && Object.isFunction(value) &&
+          value.argumentNames().first() == "$super") {
+        var method = value;
+        value = (function(m) {
+          return function() { return ancestor[m].apply(this, arguments); };
+        })(property).wrap(method);
+
+        value.valueOf = method.valueOf.bind(method);
+        value.toString = method.toString.bind(method);
+      }
+      this.prototype[property] = value;
+    }
+    
+    return this;    
+  }
+  
+  return {
+    create: create,
+    Methods: {
+      addMethods: addMethods
+    }
+  };
+})();

src/lang/date.js

@@ -0,0 +1,9 @@
+Date.prototype.toJSON = function() {
+  return '"' + this.getUTCFullYear() + '-' +
+    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+    this.getUTCDate().toPaddedString(2) + 'T' +
+    this.getUTCHours().toPaddedString(2) + ':' +
+    this.getUTCMinutes().toPaddedString(2) + ':' +
+    this.getUTCSeconds().toPaddedString(2) + 'Z"';
+};
+

src/lang/enumerable.js

@@ -1,7 +1,7 @@
 var $break = { };
 
-var Enumerable = {
-  each: function(iterator, context) {
+var Enumerable = (function() {
+  function each(iterator, context) {
     var index = 0;
     try {
       this._each(function(value) {
@@ -11,17 +11,17 @@ var Enumerable = {
       if (e != $break) throw e;
     }
     return this;
-  },
+  }
   
-  eachSlice: function(number, iterator, context) {
+  function eachSlice(number, iterator, context) {
     var index = -number, slices = [], array = this.toArray();
     if (number < 1) return array;
     while ((index += number) < array.length)
       slices.push(array.slice(index, index+number));
     return slices.collect(iterator, context);
-  },
+  }
 
-  all: function(iterator, context) {
+  function all(iterator, context) {
     iterator = iterator || Prototype.K;
     var result = true;
     this.each(function(value, index) {
@@ -29,9 +29,9 @@ var Enumerable = {
       if (!result) throw $break;
     });
     return result;
-  },
+  }
 
-  any: function(iterator, context) {
+  function any(iterator, context) {
     iterator = iterator || Prototype.K;
     var result = false;
     this.each(function(value, index) {
@@ -39,18 +39,18 @@ var Enumerable = {
         throw $break;
     });
     return result;
-  },
+  }
 
-  collect: function(iterator, context) {
+  function collect(iterator, context) {
     iterator = iterator || Prototype.K;
     var results = [];
     this.each(function(value, index) {
       results.push(iterator.call(context, value, index));
     });
     return results;
-  },
+  }
   
-  detect: function(iterator, context) {
+  function detect(iterator, context) {
     var result;
     this.each(function(value, index) {
       if (iterator.call(context, value, index)) {
@@ -59,18 +59,18 @@ var Enumerable = {
       }
     });
     return result;
-  },
+  }
   
-  findAll: function(iterator, context) {
+  function findAll(iterator, context) {
     var results = [];
     this.each(function(value, index) {
       if (iterator.call(context, value, index))
         results.push(value);
     });
     return results;
-  },
+  }
   
-  grep: function(filter, iterator, context) {
+  function grep(filter, iterator, context) {
     iterator = iterator || Prototype.K;
     var results = [];
 
@@ -82,9 +82,9 @@ var Enumerable = {
         results.push(iterator.call(context, value, index));
     });
     return results;
-  },
+  }
   
-  include: function(object) {
+  function include(object) {
     if (Object.isFunction(this.indexOf))
       if (this.indexOf(object) != -1) return true;
 
@@ -96,31 +96,31 @@ var Enumerable = {
       }
     });
     return found;
-  },
+  }
   
-  inGroupsOf: function(number, fillWith) {
+  function inGroupsOf(number, fillWith) {
     fillWith = Object.isUndefined(fillWith) ? null : fillWith;
     return this.eachSlice(number, function(slice) {
       while(slice.length < number) slice.push(fillWith);
       return slice;
     });
-  },
+  }
   
-  inject: function(memo, iterator, context) {
+  function inject(memo, iterator, context) {
     this.each(function(value, index) {
       memo = iterator.call(context, memo, value, index);
     });
     return memo;
-  },
+  }
   
-  invoke: function(method) {
+  function invoke(method) {
     var args = $A(arguments).slice(1);
     return this.map(function(value) {
       return value[method].apply(value, args);
     });
-  },
+  }
   
-  max: function(iterator, context) {
+  function max(iterator, context) {
     iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
@@ -129,9 +129,9 @@ var Enumerable = {
         result = value;
     });
     return result;
-  },
+  }
   
-  min: function(iterator, context) {
+  function min(iterator, context) {
     iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
@@ -140,9 +140,9 @@ var Enumerable = {
         result = value;
     });
     return result;
-  },
+  }
   
-  partition: function(iterator, context) {
+  function partition(iterator, context) {
     iterator = iterator || Prototype.K;
     var trues = [], falses = [];
     this.each(function(value, index) {
@@ -150,26 +150,26 @@ var Enumerable = {
         trues : falses).push(value);
     });
     return [trues, falses];
-  },
+  }
   
-  pluck: function(property) {
+  function pluck(property) {
     var results = [];
     this.each(function(value) {
       results.push(value[property]);
     });
     return results;
-  },
+  }
   
-  reject: function(iterator, context) {
+  function reject(iterator, context) {
     var results = [];
     this.each(function(value, index) {
       if (!iterator.call(context, value, index))
         results.push(value);
     });
     return results;
-  },
+  }
   
-  sortBy: function(iterator, context) {
+  function sortBy(iterator, context) {
     return this.map(function(value, index) {
       return {
         value: value,
@@ -179,13 +179,13 @@ var Enumerable = {
       var a = left.criteria, b = right.criteria;
       return a < b ? -1 : a > b ? 1 : 0;
     }).pluck('value');
-  },
+  }
   
-  toArray: function() {
+  function toArray() {
     return this.map();
-  },
+  }
   
-  zip: function() {
+  function zip() {
     var iterator = Prototype.K, args = $A(arguments);
     if (Object.isFunction(args.last()))
       iterator = args.pop();
@@ -194,24 +194,46 @@ var Enumerable = {
     return this.map(function(value, index) {
       return iterator(collections.pluck(index));
     });
-  },
+  }
   
-  size: function() {
+  function size() {
     return this.toArray().length;
-  },
+  }
   
-  inspect: function() {
+  function inspect() {
     return '#<Enumerable:' + this.toArray().inspect() + '>';
   }
-};
-
-Object.extend(Enumerable, {
-  map:     Enumerable.collect,
-  find:    Enumerable.detect,
-  select:  Enumerable.findAll,
-  filter:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray,
-  every:   Enumerable.all,
-  some:    Enumerable.any
-});
+  
+  return {
+    each:       each,
+    eachSlice:  eachSlice,
+    all:        all,
+    every:      all,
+    any:        any,
+    some:       any,
+    collect:    collect,
+    map:        collect,
+    detect:     detect,
+    findAll:    findAll,
+    select:     findAll,
+    filter:     findAll,
+    grep:       grep,
+    include:    include,
+    member:     include,
+    inGroupsOf: inGroupsOf,
+    inject:     inject,
+    invoke:     invoke,
+    max:        max,
+    min:        min,
+    partition:  partition,
+    pluck:      pluck,
+    reject:     reject,
+    sortBy:     sortBy,
+    toArray:    toArray,
+    entries:    toArray,
+    zip:        zip,
+    size:       size,
+    inspect:    inspect,
+    find:       detect
+  };
+})();

src/lang/function.js

@@ -0,0 +1,89 @@
+Object.extend(Function.prototype, (function() {
+  var slice = Array.prototype.slice;
+  
+  function update(array, args) {
+    var arrayLength = array.length, length = args.length;
+    while (length--) array[arrayLength + length] = args[length];
+    return array;
+  }
+  
+  function merge(array, args) {
+    array = slice.call(array, 0);
+    return update(array, args);
+  }
+  
+  function argumentNames() {
+    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+      .replace(/\s+/g, '').split(',');
+    return names.length == 1 && !names[0] ? [] : names;
+  }
+
+  function bind(context) {
+    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
+    var __method = this, args = slice.call(arguments, 1);
+    return function() {
+      var a = merge(args, arguments);
+      return __method.apply(context, a);
+    }
+  }
+
+  function bindAsEventListener(context) {
+    var __method = this, args = slice.call(arguments, 1);
+    return function(event) {
+      var a = update([event || window.event], args);
+      return __method.apply(context, a);
+    }
+  }
+
+  function curry() {
+    if (!arguments.length) return this;
+    var __method = this, args = slice.call(arguments, 0);
+    return function() {
+      var a = merge(args, arguments);
+      return __method.apply(this, a);
+    }
+  }
+
+  function delay(timeout) { 
+    var __method = this, args = slice.call(arguments, 1);
+    timeout = timeout * 1000
+    return window.setTimeout(function() {
+      return __method.apply(__method, args);
+    }, timeout);
+  }
+
+  function defer() {
+    var args = update([0.01], arguments);
+    return this.delay.apply(this, args);
+  }
+
+  function wrap(wrapper) {
+    var __method = this;
+    return function() {
+      var a = update([__method.bind(this)], arguments);
+      return wrapper.apply(this, a);
+    }
+  }
+
+  function methodize() {
+    if (this._methodized) return this._methodized;
+    var __method = this;
+    return this._methodized = function() {
+      var a = update([this], arguments);
+      return __method.apply(null, a);
+    };
+  }
+  
+  return {
+    argumentNames:       argumentNames,
+    bind:                bind,
+    bindAsEventListener: bindAsEventListener,
+    curry:               curry,
+    delay:               delay,
+    defer:               defer,
+    wrap:                wrap,
+    methodize:           methodize
+  }
+})());
+

src/lang/hash.js

@@ -0,0 +1,116 @@
+function $H(object) {
+  return new Hash(object);
+};
+
+var Hash = Class.create(Enumerable, (function() {
+  function initialize(object) {
+    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
+  }
+
+  function _each(iterator) {
+    for (var key in this._object) {
+      var value = this._object[key], pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator(pair);
+    }
+  }
+
+  function set(key, value) {
+    return this._object[key] = value;
+  }
+
+  function get(key) {
+    // simulating poorly supported hasOwnProperty
+    if (this._object[key] !== Object.prototype[key])
+      return this._object[key];
+  }
+
+  function unset(key) {
+    var value = this._object[key];
+    delete this._object[key];
+    return value;
+  }
+
+  function toObject() {
+    return Object.clone(this._object);
+  }
+
+  function keys() {
+    return this.pluck('key');
+  }
+
+  function values() {
+    return this.pluck('value');
+  }
+
+  function index(value) {
+    var match = this.detect(function(pair) { 
+      return pair.value === value; 
+    });
+    return match && match.key;
+  }
+
+  function merge(object) {
+    return this.clone().update(object);
+  }
+
+  function update(object) {
+    return new Hash(object).inject(this, function(result, pair) {
+      result.set(pair.key, pair.value);
+      return result;
+    });
+  }
+
+  function toQueryPair(key, value) {
+    if (Object.isUndefined(value)) return key;
+    return key + '=' + encodeURIComponent(String.interpret(value));
+  }
+
+  function toQueryString() {
+    return this.inject([], function(results, pair) {
+      var key = encodeURIComponent(pair.key), values = pair.value;
+      
+      if (values && typeof values == 'object') {
+        if (Object.isArray(values))
+          return results.concat(values.map(toQueryPair.curry(key)));
+      } else results.push(toQueryPair(key, values));
+      return results;
+    }).join('&');
+  }
+
+  function inspect() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
+  }
+
+  function toJSON() {
+    return Object.toJSON(this.toObject());
+  }
+
+  function clone() {
+    return new Hash(this);
+  }
+  
+  return {
+    initialize:             initialize,
+    _each:                  _each,
+    set:                    set,
+    get:                    get,
+    unset:                  unset,
+    toObject:               toObject,
+    toTemplateReplacements: toObject,
+    keys:                   keys,
+    values:                 values,
+    index:                  index,
+    merge:                  merge,
+    update:                 update,
+    toQueryString:          toQueryString,
+    inspect:                inspect,
+    toJSON:                 toJSON,
+    clone:                  clone
+  };
+})());
+
+Hash.from = $H;

src/lang/number.js

@@ -0,0 +1,51 @@
+Object.extend(Number.prototype, (function() {
+  function toColorPart() {
+    return this.toPaddedString(2, 16);
+  }
+
+  function succ() {
+    return this + 1;
+  }
+  
+  function times(iterator, context) {
+    $R(0, this, true).each(iterator, context);
+    return this;
+  }
+  
+  function toPaddedString(length, radix) {
+    var string = this.toString(radix || 10);
+    return '0'.times(length - string.length) + string;
+  }
+  
+  function toJSON() {
+    return isFinite(this) ? this.toString() : 'null';
+  }
+  
+  function abs() {
+    return Math.abs(this);
+  }
+  
+  function round() {
+    return Math.round(this);
+  }
+  
+  function ceil() {
+    return Math.ceil(this);
+  }
+  
+  function floor() {
+    return Math.floor(this);
+  }
+  
+  return {
+    toColorPart:    toColorPart,
+    succ:           succ,
+    times:          times,
+    toPaddedString: toPaddedString,
+    toJSON:         toJSON,
+    abs:            abs,
+    round:          round,
+    ceil:           ceil,
+    floor:          floor
+  };
+})());

src/lang/object.js

@@ -0,0 +1,114 @@
+(function() {
+  function extend(destination, source) {
+    for (var property in source)
+      destination[property] = source[property];
+    return destination;
+  }
+
+  function inspect(object) {
+    try {
+      if (isUndefined(object)) return 'undefined';
+      if (object === null) return 'null';
+      return object.inspect ? object.inspect() : String(object);
+    } catch (e) {
+      if (e instanceof RangeError) return '...';
+      throw e;
+    }
+  }
+
+  function toJSON(object) {
+    var type = typeof object;
+    switch (type) {
+      case 'undefined':
+      case 'function':
+      case 'unknown': return;
+      case 'boolean': return object.toString();
+    }
+
+    if (object === null) return 'null';
+    if (object.toJSON) return object.toJSON();
+    if (isElement(object)) return;
+
+    var results = [];
+    for (var property in object) {
+      var value = toJSON(object[property]);
+      if (!isUndefined(value))
+        results.push(property.toJSON() + ': ' + value);
+    }
+
+    return '{' + results.join(', ') + '}';
+  }
+
+  function toQueryString(object) {
+    return $H(object).toQueryString();
+  }
+
+  function toHTML(object) {
+    return object && object.toHTML ? object.toHTML() : String.interpret(object);
+  }
+
+  function keys(object) {
+    var keys = [];
+    for (var property in object)
+      keys.push(property);
+    return keys;
+  }
+
+  function values(object) {
+    var values = [];
+    for (var property in object)
+      values.push(object[property]);
+    return values;
+  }
+
+  function clone(object) {
+    return extend({ }, object);
+  }
+
+  function isElement(object) {
+    return !!(object && object.nodeType == 1);
+  }
+
+  function isArray(object) {
+    return object != null && typeof object === "object" &&
+      'splice' in object && 'join' in object;
+  }
+
+  function isHash(object) {
+    return object instanceof Hash;
+  }
+
+  function isFunction(object) {
+    return typeof object === "function";
+  }
+
+  function isString(object) {
+    return typeof object === "string";
+  }
+
+  function isNumber(object) {
+    return typeof object === "number";
+  }
+
+  function isUndefined(object) {
+    return typeof object === "undefined";
+  }
+
+  extend(Object, {
+    extend:        extend,
+    inspect:       inspect,
+    toJSON:        toJSON,
+    toQueryString: toQueryString,
+    toHTML:        toHTML,
+    keys:          keys,
+    values:        values,
+    clone:         clone,
+    isElement:     isElement,
+    isArray:       isArray,
+    isHash:        isHash,
+    isFunction:    isFunction,
+    isString:      isString,
+    isNumber:      isNumber,
+    isUndefined:   isUndefined
+  });
+})();

src/lang/periodical_executer.js

@@ -0,0 +1,34 @@
+var PeriodicalExecuter = Class.create({
+  initialize: function(callback, frequency) {
+    this.callback = callback;
+    this.frequency = frequency;
+    this.currentlyExecuting = false;
+
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  execute: function() {
+    this.callback(this);
+  },
+  
+  stop: function() {
+    if (!this.timer) return;
+    clearInterval(this.timer);
+    this.timer = null;
+  },
+
+  onTimerEvent: function() {
+    if (!this.currentlyExecuting) {
+      try {
+        this.currentlyExecuting = true;
+        this.execute();
+      } finally {
+        this.currentlyExecuting = false;
+      }
+    }
+  }
+});

src/lang/range.js

@@ -1,27 +1,34 @@
-var ObjectRange = Class.create(Enumerable, {
-  initialize: function(start, end, exclusive) {
+function $R(start, end, exclusive) {
+  return new ObjectRange(start, end, exclusive);
+}
+
+var ObjectRange = Class.create(Enumerable, (function() {
+  function initialize(start, end, exclusive) {
     this.start = start;
     this.end = end;
     this.exclusive = exclusive;
-  },
+  }
   
-  _each: function(iterator) {
+  function _each(iterator) {
     var value = this.start;
     while (this.include(value)) {
       iterator(value);
       value = value.succ();
     }
-  },
+  }
   
-  include: function(value) {
+  function include(value) {
     if (value < this.start) 
       return false;
     if (this.exclusive)
       return value < this.end;
     return value <= this.end;
   }
-});
+  
+  return {
+    initialize: initialize,
+    _each:      _each,
+    include:    include
+  };
+})());
 
-var $R = function(start, end, exclusive) {
-  return new ObjectRange(start, end, exclusive);
-};

src/lang/regexp.js

@@ -0,0 +1,5 @@
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function(str) {
+  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+};

src/lang/string.js

@@ -12,11 +12,18 @@ Object.extend(String, {
   }
 });
 
-Object.extend(String.prototype, {
-  gsub: function(pattern, replacement) {
+Object.extend(String.prototype, (function() {
+  
+  function prepareReplacement(replacement) {
+    if (Object.isFunction(replacement)) return replacement;
+    var template = new Template(replacement);
+    return function(match) { return template.evaluate(match) };
+  }
+  
+  function gsub(pattern, replacement) {
     var result = '', source = this, match;
-    replacement = arguments.callee.prepareReplacement(replacement);
-    
+    replacement = prepareReplacement(replacement);
+
     while (source.length > 0) {
       if (match = source.match(pattern)) {
         result += source.slice(0, match.index);
@@ -27,78 +34,78 @@ Object.extend(String.prototype, {
       }
     }
     return result;
-  },
-  
-  sub: function(pattern, replacement, count) {
-    replacement = this.gsub.prepareReplacement(replacement);
+  }
+
+  function sub(pattern, replacement, count) {
+    replacement = prepareReplacement(replacement);
     count = Object.isUndefined(count) ? 1 : count;
-    
+
     return this.gsub(pattern, function(match) {
       if (--count < 0) return match[0];
       return replacement(match);
     });
-  },
-  
-  scan: function(pattern, iterator) {
+  }
+
+  function scan(pattern, iterator) {
     this.gsub(pattern, iterator);
     return String(this);
-  },
-  
-  truncate: function(length, truncation) {
+  }
+
+  function truncate(length, truncation) {
     length = length || 30;
     truncation = Object.isUndefined(truncation) ? '...' : truncation;
     return this.length > length ? 
       this.slice(0, length - truncation.length) + truncation : String(this);
-  },
+  }
 
-  strip: function() {
+  function strip() {
     return this.replace(/^\s+/, '').replace(/\s+$/, '');
-  },
-  
-  stripTags: function() {
-    return this.replace(/<\/?[^>]+>/gi, '');
-  },
+  }
 
-  stripScripts: function() {
+  function stripTags() {
+    return this.replace(/<\/?[^>]+>/gi, '');
+  }
+
+  function stripScripts() {
     return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-  },
-  
-  extractScripts: function() {
+  }
+
+  function extractScripts() {
     var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
     var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
     return (this.match(matchAll) || []).map(function(scriptTag) {
       return (scriptTag.match(matchOne) || ['', ''])[1];
     });
-  },
-  
-  evalScripts: function() {
-    return this.extractScripts().map(function(script) { return eval(script) });
-  },
+  }
 
-  escapeHTML: function() {
+  function evalScripts() {
+    return this.extractScripts().map(function(script) { return eval(script) });
+  }
+
+  function escapeHTML() {
     var self = arguments.callee;
     self.text.data = this;
     return self.div.innerHTML;
-  },
+  }
 
-  unescapeHTML: function() {
+  function unescapeHTML() {
     var div = new Element('div');
     div.innerHTML = this.stripTags();
     return div.childNodes[0] ? (div.childNodes.length > 1 ? 
       $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : 
       div.childNodes[0].nodeValue) : '';
-  },
-  
-  toQueryParams: function(separator) {
+  }
+
+  function toQueryParams(separator) {
     var match = this.strip().match(/([^?#]*)(#.*)?$/);
     if (!match) return { };
-    
+
     return match[1].split(separator || '&').inject({ }, function(hash, pair) {
       if ((pair = pair.split('='))[0]) {
         var key = decodeURIComponent(pair.shift());
         var value = pair.length > 1 ? pair.join('=') : pair[0];
         if (value != undefined) value = decodeURIComponent(value);
-        
+
         if (key in hash) {
           if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
           hash[key].push(value);
@@ -107,104 +114,138 @@ Object.extend(String.prototype, {
       }
       return hash;
     });
-  },
-  
-  toArray: function() {
-    return this.split('');
-  },
+  }
 
-  succ: function() {
+  function toArray() {
+    return this.split('');
+  }
+
+  function succ() {
     return this.slice(0, this.length - 1) +
       String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
-  },
-  
-  times: function(count) {
+  }
+
+  function times(count) {
     return count < 1 ? '' : new Array(count + 1).join(this);
-  },
-  
-  camelize: function() {
+  }
+
+  function camelize() {
     var parts = this.split('-'), len = parts.length;
     if (len == 1) return parts[0];
-    
+
     var camelized = this.charAt(0) == '-' 
       ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
       : parts[0];
-    
+
     for (var i = 1; i < len; i++)
       camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
-   
+
     return camelized;
-  },
-  
-  capitalize: function() {
+  }
+
+  function capitalize() {
     return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
-  },
-  
-  underscore: function() {
+  }
+
+  function underscore() {
     return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
-  },
+  }
 
-  dasherize: function() {
+  function dasherize() {
     return this.gsub(/_/,'-');
-  },
+  }
 
-  inspect: function(useDoubleQuotes) {
+  function inspect(useDoubleQuotes) {
     var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
       var character = String.specialChar[match[0]];
       return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
     });
     if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
     return "'" + escapedString.replace(/'/g, '\\\'') + "'";
-  },
-  
-  toJSON: function() {
+  }
+
+  function toJSON() {
     return this.inspect(true);
-  },
+  }
 
-  unfilterJSON: function(filter) {
+  function unfilterJSON(filter) {
     return this.sub(filter || Prototype.JSONFilter, '#{1}');
-  },
+  }
 
-  isJSON: function() {
+  function isJSON() {
     var str = this;
     if (str.blank()) return false;
     str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
     return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
-  },
-  
-  evalJSON: function(sanitize) {
+  }
+
+  function evalJSON(sanitize) {
     var json = this.unfilterJSON();
     try {
       if (!sanitize || json.isJSON()) return eval('(' + json + ')');
     } catch (e) { }
     throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
-  },
-  
-  include: function(pattern) {
+  }
+
+  function include(pattern) {
     return this.indexOf(pattern) > -1;
-  },
+  }
 
-  startsWith: function(pattern) {
+  function startsWith(pattern) {
     return this.indexOf(pattern) === 0;
-  },
+  }
 
-  endsWith: function(pattern) {
+  function endsWith(pattern) {
     var d = this.length - pattern.length;
     return d >= 0 && this.lastIndexOf(pattern) === d;
-  },
-  
-  empty: function() {
-    return this == '';
-  },
-  
-  blank: function() {
-    return /^\s*$/.test(this);
-  },
+  }
 
-  interpolate: function(object, pattern) {
+  function empty() {
+    return this == '';
+  }
+
+  function blank() {
+    return /^\s*$/.test(this);
+  }
+
+  function interpolate(object, pattern) {
     return new Template(this, pattern).evaluate(object);
   }
-});
+  
+  return {
+    gsub:           gsub,
+    sub:            sub,
+    scan:           scan,
+    truncate:       truncate,
+    strip:          strip,
+    stripTags:      stripTags,
+    stripScripts:   stripScripts,
+    extractScripts: extractScripts,
+    evalScripts:    evalScripts,
+    escapeHTML:     escapeHTML,
+    unescapeHTML:   unescapeHTML,
+    toQueryParams:  toQueryParams,
+    parseQuery:     toQueryParams,
+    toArray:        toArray,
+    succ:           succ,
+    times:          times,
+    camelize:       camelize,
+    capitalize:     capitalize,
+    underscore:     underscore,
+    dasherize:      dasherize,
+    inspect:        inspect,
+    toJSON:         toJSON,
+    unfilterJSON:   unfilterJSON,
+    isJSON:         isJSON,
+    evalJSON:       evalJSON,
+    include:        include,
+    startsWith:     startsWith,
+    endsWith:       endsWith,
+    empty:          empty,
+    blank:          blank,
+    interpolate:    interpolate
+  };
+})());
 
 if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
   escapeHTML: function() {
@@ -215,14 +256,6 @@ if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.proto
   }
 });
 
-String.prototype.gsub.prepareReplacement = function(replacement) {
-  if (Object.isFunction(replacement)) return replacement;
-  var template = new Template(replacement);
-  return function(match) { return template.evaluate(match) };
-};
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
 Object.extend(String.prototype.escapeHTML, {
   div:  document.createElement('div'),
   text: document.createTextNode('')
@@ -230,37 +263,3 @@ Object.extend(String.prototype.escapeHTML, {
 
 String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
 
-var Template = Class.create({
-  initialize: function(template, pattern) {
-    this.template = template.toString();
-    this.pattern = pattern || Template.Pattern;
-  },
-  
-  evaluate: function(object) {
-    if (Object.isFunction(object.toTemplateReplacements))
-      object = object.toTemplateReplacements();
-
-    return this.template.gsub(this.pattern, function(match) {
-      if (object == null) return '';
-      
-      var before = match[1] || '';
-      if (before == '\\') return match[2];
-      
-      var ctx = object, expr = match[3];
-      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
-      match = pattern.exec(expr);
-      if (match == null) return before;
-
-      while (match != null) {
-        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
-        ctx = ctx[comp];
-        if (null == ctx || '' == match[3]) break;
-        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
-        match = pattern.exec(expr);
-      }
-      
-      return before + String.interpret(ctx);
-    });
-  }
-});
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

src/lang/template.js

@@ -0,0 +1,34 @@
+var Template = Class.create({
+  initialize: function(template, pattern) {
+    this.template = template.toString();
+    this.pattern = pattern || Template.Pattern;
+  },
+  
+  evaluate: function(object) {
+    if (Object.isFunction(object.toTemplateReplacements))
+      object = object.toTemplateReplacements();
+
+    return this.template.gsub(this.pattern, function(match) {
+      if (object == null) return '';
+      
+      var before = match[1] || '';
+      if (before == '\\') return match[2];
+      
+      var ctx = object, expr = match[3];
+      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
+      match = pattern.exec(expr);
+      if (match == null) return before;
+
+      while (match != null) {
+        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
+        ctx = ctx[comp];
+        if (null == ctx || '' == match[3]) break;
+        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
+        match = pattern.exec(expr);
+      }
+      
+      return before + String.interpret(ctx);
+    });
+  }
+});
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

src/number.js

@@ -1,27 +0,0 @@
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    return this.toPaddedString(2, 16);
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-  
-  times: function(iterator, context) {
-    $R(0, this, true).each(iterator, context);
-    return this;
-  },
-  
-  toPaddedString: function(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
-  },
-  
-  toJSON: function() {
-    return isFinite(this) ? this.toString() : 'null';
-  }
-});
-
-$w('abs round ceil floor').each(function(method){
-  Number.prototype[method] = Math[method].methodize();
-});

src/prototype.js

@@ -33,11 +33,40 @@ var Prototype = {
 if (Prototype.Browser.MobileSafari)
   Prototype.BrowserFeatures.SpecificElementExtensions = false;
   
+var Abstract = { };
 
-<%= include 'base.js', 'string.js' %>
+var Try = {
+  these: function() {
+    var returnValue;
+    
+    for (var i = 0, length = arguments.length; i < length; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) { }
+    }
+    
+    return returnValue;
+  }
+};
 
-<%= include 'enumerable.js', 'array.js', 'number.js', 'hash.js', 'range.js' %>
+<%= include 'lang/class.js', 'lang/object.js', 'lang/function.js' %>
 
-<%= include 'ajax.js', 'dom.js', 'selector.js', 'form.js', 'event.js', 'deprecated.js' %>
+<%= include 'lang/date.js', 'lang/regexp.js', 'lang/periodical_executer.js' %>
+
+<%= include 'lang/string.js', 'lang/template.js' %>
+
+<%= include 'lang/enumerable.js', 'lang/array.js', 'lang/hash.js' %>
+
+<%= include 'lang/number.js', 'lang/range.js' %>
+
+<%= include 'ajax/ajax.js', 'ajax/responders.js', 'ajax/base.js', 'ajax/request.js', 'ajax/response.js' %>
+
+<%= include 'ajax/updater.js', 'ajax/periodical_updater.js' %>
+
+<%= include 'dom/dom.js', 'dom/selector.js', 'dom/form.js', 'dom/event.js' %>
+
+<%= include 'deprecated.js' %>
 
 Element.addMethods();

test/unit/class_test.js

@@ -0,0 +1,130 @@
+new Test.Unit.Runner({
+  testClassCreate: function() {
+    this.assert(Object.isFunction(Animal), 'Animal is not a constructor');
+    this.assertEnumEqual([Cat, Mouse, Dog, Ox], Animal.subclasses);
+    Animal.subclasses.each(function(subclass) {
+      this.assertEqual(Animal, subclass.superclass);
+    }, this);
+
+    var Bird = Class.create(Animal);
+    this.assertEqual(Bird, Animal.subclasses.last());
+    // for..in loop (for some reason) doesn't iterate over the constructor property in top-level classes
+    this.assertEnumEqual(Object.keys(new Animal).sort(), Object.keys(new Bird).without('constructor').sort());
+  },
+
+  testClassInstantiation: function() {
+    var pet = new Animal("Nibbles");
+    this.assertEqual("Nibbles", pet.name, "property not initialized");
+    this.assertEqual('Nibbles: Hi!', pet.say('Hi!'));
+    this.assertEqual(Animal, pet.constructor, "bad constructor reference");
+    this.assertUndefined(pet.superclass);
+
+    var Empty = Class.create();
+    this.assert('object', typeof new Empty);
+  },
+
+  testInheritance: function() {
+    var tom = new Cat('Tom');
+    this.assertEqual(Cat, tom.constructor, "bad constructor reference");
+    this.assertEqual(Animal, tom.constructor.superclass, 'bad superclass reference');
+    this.assertEqual('Tom', tom.name);
+    this.assertEqual('Tom: meow', tom.say('meow'));
+    this.assertEqual('Tom: Yuk! I only eat mice.', tom.eat(new Animal));
+  },
+
+  testSuperclassMethodCall: function() {
+    var tom = new Cat('Tom');
+    this.assertEqual('Tom: Yum!', tom.eat(new Mouse));
+
+    // augment the constructor and test
+    var Dodo = Class.create(Animal, {
+      initialize: function($super, name) {
+        $super(name);
+        this.extinct = true;
+      },
+
+      say: function($super, message) {
+        return $super(message) + " honk honk";
+      }
+    });
+
+    var gonzo = new Dodo('Gonzo');
+    this.assertEqual('Gonzo', gonzo.name);
+    this.assert(gonzo.extinct, 'Dodo birds should be extinct');
+    this.assertEqual("Gonzo: hello honk honk", gonzo.say("hello"));
+  },
+
+  testClassAddMethods: function() {
+    var tom   = new Cat('Tom');
+    var jerry = new Mouse('Jerry');
+
+    Animal.addMethods({
+      sleep: function() {
+        return this.say('ZZZ');
+      }
+    });
+
+    Mouse.addMethods({
+      sleep: function($super) {
+        return $super() + " ... no, can't sleep! Gotta steal cheese!";
+      },
+      escape: function(cat) {
+        return this.say('(from a mousehole) Take that, ' + cat.name + '!');
+      }
+    });
+
+    this.assertEqual('Tom: ZZZ', tom.sleep(), "added instance method not available to subclass");
+    this.assertEqual("Jerry: ZZZ ... no, can't sleep! Gotta steal cheese!", jerry.sleep());
+    this.assertEqual("Jerry: (from a mousehole) Take that, Tom!", jerry.escape(tom));
+    // insure that a method has not propagated *up* the prototype chain:
+    this.assertUndefined(tom.escape);
+    this.assertUndefined(new Animal().escape);
+
+    Animal.addMethods({
+      sleep: function() {
+        return this.say('zZzZ');
+      }
+    });
+
+    this.assertEqual("Jerry: zZzZ ... no, can't sleep! Gotta steal cheese!", jerry.sleep());
+  },
+
+  testBaseClassWithMixin: function() {
+    var grass = new Plant('grass', 3);
+    this.assertRespondsTo('getValue', grass);
+    this.assertEqual('#<Plant: grass>', grass.inspect());
+  },
+
+  testSubclassWithMixin: function() {
+    var snoopy = new Dog('Snoopy', 12, 'male');
+    this.assertRespondsTo('reproduce', snoopy);
+  },
+
+  testSubclassWithMixins: function() {
+    var cow = new Ox('cow', 400, 'female');
+    this.assertEqual('#<Ox: cow>', cow.inspect());
+    this.assertRespondsTo('reproduce', cow);
+    this.assertRespondsTo('getValue', cow);
+  },
+
+  testClassWithToStringAndValueOfMethods: function() {
+    var Foo = Class.create({
+      toString: function() { return "toString" },
+      valueOf: function() { return "valueOf" }
+    });
+
+    var Parent = Class.create({
+      m1: function(){ return 'm1' },
+      m2: function(){ return 'm2' }
+    });
+    var Child = Class.create(Parent, {
+      m1: function($super) { return 'm1 child' },
+      m2: function($super) { return 'm2 child' }
+    });
+
+    this.assert(new Child().m1.toString().indexOf('m1 child') > -1);
+
+    this.assertEqual("toString", new Foo().toString());
+    this.assertEqual("valueOf", new Foo().valueOf());
+  }
+});

test/unit/date_test.js

@@ -0,0 +1,5 @@
+new Test.Unit.Runner({
+  testDateToJSON: function() {
+    this.assertEqual('\"1970-01-01T00:00:00Z\"', new Date(Date.UTC(1970, 0, 1)).toJSON());
+  }
+});

test/unit/fixtures/class.js

@@ -0,0 +1,83 @@
+// base class
+var Animal = Class.create({
+  initialize: function(name) {
+    this.name = name;
+  },
+  name: "",
+  eat: function() {
+    return this.say("Yum!");
+  },
+  say: function(message) {
+    return this.name + ": " + message;
+  }
+});
+
+// subclass that augments a method
+var Cat = Class.create(Animal, {
+  eat: function($super, food) {
+    if (food instanceof Mouse) return $super();
+    else return this.say("Yuk! I only eat mice.");
+  }
+});
+
+// empty subclass
+var Mouse = Class.create(Animal, {});
+
+//mixins
+var Sellable = {
+  getValue: function(pricePerKilo) {
+    return this.weight * pricePerKilo;
+  },
+
+  inspect: function() {
+    return '#<Sellable: #{weight}kg>'.interpolate(this);
+  }
+};
+
+var Reproduceable = {
+  reproduce: function(partner) {
+    if (partner.constructor != this.constructor || partner.sex == this.sex)
+      return null;
+    var weight = this.weight / 10, sex = Math.random(1).round() ? 'male' : 'female';
+    return new this.constructor('baby', weight, sex);
+  }
+};
+
+// base class with mixin
+var Plant = Class.create(Sellable, {
+  initialize: function(name, weight) {
+    this.name = name;
+    this.weight = weight;
+  },
+
+  inspect: function() {
+    return '#<Plant: #{name}>'.interpolate(this);
+  }
+});
+
+// subclass with mixin
+var Dog = Class.create(Animal, Reproduceable, {
+  initialize: function($super, name, weight, sex) {
+    this.weight = weight;
+    this.sex = sex;
+    $super(name);
+  }
+});
+
+// subclass with mixins
+var Ox = Class.create(Animal, Sellable, Reproduceable, {
+  initialize: function($super, name, weight, sex) {
+    this.weight = weight;
+    this.sex = sex;
+    $super(name);
+  },
+
+  eat: function(food) {
+    if (food instanceof Plant)
+      this.weight += food.weight;
+  },
+
+  inspect: function() {
+    return '#<Ox: #{name}>'.interpolate(this);
+  }
+});

test/unit/fixtures/function.js

@@ -0,0 +1,13 @@
+var arg1 = 1;
+var arg2 = 2;
+var arg3 = 3;
+function TestObj() { };
+TestObj.prototype.assertingEventHandler =
+  function(event, assertEvent, assert1, assert2, assert3, a1, a2, a3) {
+    assertEvent(event);
+    assert1(a1);
+    assert2(a2);
+    assert3(a3);
+  };
+
+var globalBindTest = null;

test/unit/fixtures/object.html

@@ -0,0 +1,6 @@
+<div id="test"></div>
+<ul id="list">
+  <li></li>
+  <li></li>
+  <li></li>
+</ul>

test/unit/fixtures/object.js

@@ -0,0 +1,7 @@
+var Person = function(name){
+    this.name = name;
+};
+
+Person.prototype.toJSON = function() {
+  return '-' + this.name;
+};

test/unit/function_test.js

@@ -0,0 +1,133 @@
+new Test.Unit.Runner({
+  testFunctionArgumentNames: function() {
+    this.assertEnumEqual([], (function() {}).argumentNames());
+    this.assertEnumEqual(["one"], (function(one) {}).argumentNames());
+    this.assertEnumEqual(["one", "two", "three"], (function(one, two, three) {}).argumentNames());
+    this.assertEnumEqual(["one", "two", "three"], (function(  one  , two
+       , three   ) {}).argumentNames());
+    this.assertEqual("$super", (function($super) {}).argumentNames().first());
+
+    function named1() {};
+    this.assertEnumEqual([], named1.argumentNames());
+    function named2(one) {};
+    this.assertEnumEqual(["one"], named2.argumentNames());
+    function named3(one, two, three) {};
+    this.assertEnumEqual(["one", "two", "three"], named3.argumentNames());
+    function named4(one,
+      two,
+
+      three) {}
+    this.assertEnumEqual($w('one two three'), named4.argumentNames());
+    function named5(/*foo*/ foo, /* bar */ bar, /*****/ baz) {}
+    this.assertEnumEqual($w("foo bar baz"), named5.argumentNames());
+    function named6(
+      /*foo*/ foo,
+      /**/bar,
+      /* baz */ /* baz */ baz,
+      // Skip a line just to screw with the regex...
+      /* thud */ thud) {}
+    this.assertEnumEqual($w("foo bar baz thud"), named6.argumentNames());
+  },
+
+  testFunctionBind: function() {
+    function methodWithoutArguments() { return this.hi };
+    function methodWithArguments()    { return this.hi + ',' + $A(arguments).join(',') };
+    var func = Prototype.emptyFunction;
+
+    this.assertIdentical(func, func.bind());
+    this.assertIdentical(func, func.bind(undefined));
+    this.assertNotIdentical(func, func.bind(null));
+
+    this.assertEqual('without', methodWithoutArguments.bind({ hi: 'without' })());
+    this.assertEqual('with,arg1,arg2', methodWithArguments.bind({ hi: 'with' })('arg1','arg2'));
+    this.assertEqual('withBindArgs,arg1,arg2',
+      methodWithArguments.bind({ hi: 'withBindArgs' }, 'arg1', 'arg2')());
+    this.assertEqual('withBindArgsAndArgs,arg1,arg2,arg3,arg4',
+      methodWithArguments.bind({ hi: 'withBindArgsAndArgs' }, 'arg1', 'arg2')('arg3', 'arg4'));
+  },
+
+  testFunctionCurry: function() {
+    var split = function(delimiter, string) { return string.split(delimiter); };
+    var splitOnColons = split.curry(":");
+    this.assertNotIdentical(split, splitOnColons);
+    this.assertEnumEqual(split(":", "0:1:2:3:4:5"), splitOnColons("0:1:2:3:4:5"));
+    this.assertIdentical(split, split.curry());
+  },
+
+  testFunctionDelay: function() {
+    window.delayed = undefined;
+    var delayedFunction = function() { window.delayed = true; };
+    var delayedFunctionWithArgs = function() { window.delayedWithArgs = $A(arguments).join(' '); };
+    delayedFunction.delay(0.8);
+    delayedFunctionWithArgs.delay(0.8, 'hello', 'world');
+    this.assertUndefined(window.delayed);
+    this.wait(1000, function() {
+      this.assert(window.delayed);
+      this.assertEqual('hello world', window.delayedWithArgs);
+    });
+  },
+
+  testFunctionWrap: function() {
+    function sayHello(){
+      return 'hello world';
+    };
+
+    this.assertEqual('HELLO WORLD', sayHello.wrap(function(proceed) {
+      return proceed().toUpperCase();
+    })());
+
+    var temp = String.prototype.capitalize;
+    String.prototype.capitalize = String.prototype.capitalize.wrap(function(proceed, eachWord) {
+      if(eachWord && this.include(' ')) return this.split(' ').map(function(str){
+        return str.capitalize();
+      }).join(' ');
+      return proceed();
+    });
+    this.assertEqual('Hello world', 'hello world'.capitalize());
+    this.assertEqual('Hello World', 'hello world'.capitalize(true));
+    this.assertEqual('Hello', 'hello'.capitalize());
+    String.prototype.capitalize = temp;
+  },
+
+  testFunctionDefer: function() {
+    window.deferred = undefined;
+    var deferredFunction = function() { window.deferred = true; };
+    deferredFunction.defer();
+    this.assertUndefined(window.deferred);
+    this.wait(50, function() {
+      this.assert(window.deferred);
+
+      window.deferredValue = 0;
+      var deferredFunction2 = function(arg) { window.deferredValue = arg; };
+      deferredFunction2.defer('test');
+      this.wait(50, function() {
+        this.assertEqual('test', window.deferredValue);
+      });
+    });
+  },
+
+  testFunctionMethodize: function() {
+    var Foo = { bar: function(baz) { return baz } };
+    var baz = { quux: Foo.bar.methodize() };
+
+    this.assertEqual(Foo.bar.methodize(), baz.quux);
+    this.assertEqual(baz, Foo.bar(baz));
+    this.assertEqual(baz, baz.quux());
+  },
+
+  testBindAsEventListener: function() {
+    for( var i = 0; i < 10; ++i ){
+      var div = document.createElement('div');
+      div.setAttribute('id','test-'+i);
+      document.body.appendChild(div);
+      var tobj = new TestObj();
+      var eventTest = { test: true };
+      var call = tobj.assertingEventHandler.bindAsEventListener(tobj,
+        this.assertEqual.bind(this, eventTest),
+        this.assertEqual.bind(this, arg1),
+        this.assertEqual.bind(this, arg2),
+        this.assertEqual.bind(this, arg3), arg1, arg2, arg3 );
+      call(eventTest);
+    }
+  }
+});

test/unit/object_test.js

@@ -0,0 +1,174 @@
+new Test.Unit.Runner({
+  testObjectExtend: function() {
+    var object = {foo: 'foo', bar: [1, 2, 3]};
+    this.assertIdentical(object, Object.extend(object));
+    this.assertHashEqual({foo: 'foo', bar: [1, 2, 3]}, object);
+    this.assertIdentical(object, Object.extend(object, {bla: 123}));
+    this.assertHashEqual({foo: 'foo', bar: [1, 2, 3], bla: 123}, object);
+    this.assertHashEqual({foo: 'foo', bar: [1, 2, 3], bla: null},
+      Object.extend(object, {bla: null}));
+  },
+
+  testObjectToQueryString: function() {
+    this.assertEqual('a=A&b=B&c=C&d=D%23', Object.toQueryString({a: 'A', b: 'B', c: 'C', d: 'D#'}));
+  },
+
+  testObjectClone: function() {
+    var object = {foo: 'foo', bar: [1, 2, 3]};
+    this.assertNotIdentical(object, Object.clone(object));
+    this.assertHashEqual(object, Object.clone(object));
+    this.assertHashEqual({}, Object.clone());
+    var clone = Object.clone(object);
+    delete clone.bar;
+    this.assertHashEqual({foo: 'foo'}, clone,
+      "Optimizing Object.clone perf using prototyping doesn't allow properties to be deleted.");
+  },
+
+  testObjectInspect: function() {
+    this.assertEqual('undefined', Object.inspect());
+    this.assertEqual('undefined', Object.inspect(undefined));
+    this.assertEqual('null', Object.inspect(null));
+    this.assertEqual("'foo\\\\b\\\'ar'", Object.inspect('foo\\b\'ar'));
+    this.assertEqual('[]', Object.inspect([]));
+    this.assertNothingRaised(function() { Object.inspect(window.Node) });
+  },
+
+  testObjectToJSON: function() {
+    this.assertUndefined(Object.toJSON(undefined));
+    this.assertUndefined(Object.toJSON(Prototype.K));
+    this.assertEqual('\"\"', Object.toJSON(''));
+    this.assertEqual('[]', Object.toJSON([]));
+    this.assertEqual('[\"a\"]', Object.toJSON(['a']));
+    this.assertEqual('[\"a\", 1]', Object.toJSON(['a', 1]));
+    this.assertEqual('[\"a\", {\"b\": null}]', Object.toJSON(['a', {'b': null}]));
+    this.assertEqual('{\"a\": \"hello!\"}', Object.toJSON({a: 'hello!'}));
+    this.assertEqual('{}', Object.toJSON({}));
+    this.assertEqual('{}', Object.toJSON({a: undefined, b: undefined, c: Prototype.K}));
+    this.assertEqual('{\"b\": [false, true], \"c\": {\"a\": \"hello!\"}}',
+      Object.toJSON({'b': [undefined, false, true, undefined], c: {a: 'hello!'}}));
+    this.assertEqual('{\"b\": [false, true], \"c\": {\"a\": \"hello!\"}}',
+      Object.toJSON($H({'b': [undefined, false, true, undefined], c: {a: 'hello!'}})));
+    this.assertEqual('true', Object.toJSON(true));
+    this.assertEqual('false', Object.toJSON(false));
+    this.assertEqual('null', Object.toJSON(null));
+    var sam = new Person('sam');
+    this.assertEqual('-sam', Object.toJSON(sam));
+    this.assertEqual('-sam', sam.toJSON());
+    var element = $('test');
+    this.assertUndefined(Object.toJSON(element));
+    element.toJSON = function(){return 'I\'m a div with id test'};
+    this.assertEqual('I\'m a div with id test', Object.toJSON(element));
+  },
+
+  testObjectToHTML: function() {
+    this.assertIdentical('', Object.toHTML());
+    this.assertIdentical('', Object.toHTML(''));
+    this.assertIdentical('', Object.toHTML(null));
+    this.assertIdentical('0', Object.toHTML(0));
+    this.assertIdentical('123', Object.toHTML(123));
+    this.assertEqual('hello world', Object.toHTML('hello world'));
+    this.assertEqual('hello world', Object.toHTML({toHTML: function() { return 'hello world' }}));
+  },
+
+  testObjectIsArray: function() {
+    this.assert(Object.isArray([]));
+    this.assert(Object.isArray([0]));
+    this.assert(Object.isArray([0, 1]));
+    this.assert(!Object.isArray({}));
+    this.assert(!Object.isArray($('list').childNodes));
+    this.assert(!Object.isArray());
+    this.assert(!Object.isArray(''));
+    this.assert(!Object.isArray('foo'));
+    this.assert(!Object.isArray(0));
+    this.assert(!Object.isArray(1));
+    this.assert(!Object.isArray(null));
+    this.assert(!Object.isArray(true));
+    this.assert(!Object.isArray(false));
+    this.assert(!Object.isArray(undefined));
+  },
+
+  testObjectIsHash: function() {
+    this.assert(Object.isHash($H()));
+    this.assert(Object.isHash(new Hash()));
+    this.assert(!Object.isHash({}));
+    this.assert(!Object.isHash(null));
+    this.assert(!Object.isHash());
+    this.assert(!Object.isHash(''));
+    this.assert(!Object.isHash(2));
+    this.assert(!Object.isHash(false));
+    this.assert(!Object.isHash(true));
+    this.assert(!Object.isHash([]));
+  },
+
+  testObjectIsElement: function() {
+    this.assert(Object.isElement(document.createElement('div')));
+    this.assert(Object.isElement(new Element('div')));
+    this.assert(Object.isElement($('testlog')));
+    this.assert(!Object.isElement(document.createTextNode('bla')));
+
+    // falsy variables should not mess up return value type
+    this.assertIdentical(false, Object.isElement(0));
+    this.assertIdentical(false, Object.isElement(''));
+    this.assertIdentical(false, Object.isElement(NaN));
+    this.assertIdentical(false, Object.isElement(null));
+    this.assertIdentical(false, Object.isElement(undefined));
+  },
+
+  testObjectIsFunction: function() {
+    this.assert(Object.isFunction(function() { }));
+    this.assert(Object.isFunction(Class.create()));
+    this.assert(!Object.isFunction("a string"));
+    this.assert(!Object.isFunction($("testlog")));
+    this.assert(!Object.isFunction([]));
+    this.assert(!Object.isFunction({}));
+    this.assert(!Object.isFunction(0));
+    this.assert(!Object.isFunction(false));
+    this.assert(!Object.isFunction(undefined));
+  },
+
+  testObjectIsString: function() {
+    this.assert(!Object.isString(function() { }));
+    this.assert(Object.isString("a string"));
+    this.assert(!Object.isString(0));
+    this.assert(!Object.isString([]));
+    this.assert(!Object.isString({}));
+    this.assert(!Object.isString(false));
+    this.assert(!Object.isString(undefined));
+  },
+
+  testObjectIsNumber: function() {
+    this.assert(Object.isNumber(0));
+    this.assert(Object.isNumber(1.0));
+    this.assert(!Object.isNumber(function() { }));
+    this.assert(!Object.isNumber("a string"));
+    this.assert(!Object.isNumber([]));
+    this.assert(!Object.isNumber({}));
+    this.assert(!Object.isNumber(false));
+    this.assert(!Object.isNumber(undefined));
+  },
+
+  testObjectIsUndefined: function() {
+    this.assert(Object.isUndefined(undefined));
+    this.assert(!Object.isUndefined(null));
+    this.assert(!Object.isUndefined(false));
+    this.assert(!Object.isUndefined(0));
+    this.assert(!Object.isUndefined(""));
+    this.assert(!Object.isUndefined(function() { }));
+    this.assert(!Object.isUndefined([]));
+    this.assert(!Object.isUndefined({}));
+  },
+
+  // sanity check
+  testDoesntExtendObjectPrototype: function() {
+    // for-in is supported with objects
+    var iterations = 0, obj = { a: 1, b: 2, c: 3 };
+    for(property in obj) iterations++;
+    this.assertEqual(3, iterations);
+
+    // for-in is not supported with arrays
+    iterations = 0;
+    var arr = [1,2,3];
+    for(property in arr) iterations++;
+    this.assert(iterations > 3);
+  }
+});

test/unit/periodical_executer_test.js

@@ -0,0 +1,15 @@
+new Test.Unit.Runner({
+  testPeriodicalExecuterStop: function() {
+    var peEventCount = 0;
+    function peEventFired(pe) {
+      if (++peEventCount > 2) pe.stop();
+    }
+
+    // peEventFired will stop the PeriodicalExecuter after 3 callbacks
+    new PeriodicalExecuter(peEventFired, 0.05);
+
+    this.wait(600, function() {
+      this.assertEqual(3, peEventCount);
+    });
+  }
+});

test/unit/prototype_test.js

@@ -0,0 +1,43 @@
+new Test.Unit.Runner({
+  testBrowserDetection: function() {
+    var results = $H(Prototype.Browser).map(function(engine){
+      return engine;
+    }).partition(function(engine){
+      return engine[1] === true
+    });
+    var trues = results[0], falses = results[1];
+
+    this.info('User agent string is: ' + navigator.userAgent);
+
+    this.assert(trues.size() == 0 || trues.size() == 1,
+      'There should be only one or no browser detected.');
+
+    // we should have definite trues or falses here
+    trues.each(function(result) {
+      this.assert(result[1] === true);
+    }, this);
+    falses.each(function(result) {
+      this.assert(result[1] === false);
+    }, this);
+
+    if(navigator.userAgent.indexOf('AppleWebKit/') > -1) {
+      this.info('Running on WebKit');
+      this.assert(Prototype.Browser.WebKit);
+    }
+
+    if(!!window.opera) {
+      this.info('Running on Opera');
+      this.assert(Prototype.Browser.Opera);
+    }
+
+    if(!!(window.attachEvent && !window.opera)) {
+      this.info('Running on IE');
+      this.assert(Prototype.Browser.IE);
+    }
+
+    if(navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1) {
+      this.info('Running on Gecko');
+      this.assert(Prototype.Browser.Gecko);
+    }
+  }
+});

test/unit/regexp_test.js

@@ -0,0 +1,42 @@
+new Test.Unit.Runner({
+  testRegExpEscape: function() {
+    this.assertEqual('word', RegExp.escape('word'));
+    this.assertEqual('\\/slashes\\/', RegExp.escape('/slashes/'));
+    this.assertEqual('\\\\backslashes\\\\', RegExp.escape('\\backslashes\\'));
+    this.assertEqual('\\\\border of word', RegExp.escape('\\border of word'));
+
+    this.assertEqual('\\(\\?\\:non-capturing\\)', RegExp.escape('(?:non-capturing)'));
+    this.assertEqual('non-capturing', new RegExp(RegExp.escape('(?:') + '([^)]+)').exec('(?:non-capturing)')[1]);
+
+    this.assertEqual('\\(\\?\\=positive-lookahead\\)', RegExp.escape('(?=positive-lookahead)'));
+    this.assertEqual('positive-lookahead', new RegExp(RegExp.escape('(?=') + '([^)]+)').exec('(?=positive-lookahead)')[1]);
+
+    this.assertEqual('\\(\\?<\\=positive-lookbehind\\)', RegExp.escape('(?<=positive-lookbehind)'));
+    this.assertEqual('positive-lookbehind', new RegExp(RegExp.escape('(?<=') + '([^)]+)').exec('(?<=positive-lookbehind)')[1]);
+
+    this.assertEqual('\\(\\?\\!negative-lookahead\\)', RegExp.escape('(?!negative-lookahead)'));
+    this.assertEqual('negative-lookahead', new RegExp(RegExp.escape('(?!') + '([^)]+)').exec('(?!negative-lookahead)')[1]);
+
+    this.assertEqual('\\(\\?<\\!negative-lookbehind\\)', RegExp.escape('(?<!negative-lookbehind)'));
+    this.assertEqual('negative-lookbehind', new RegExp(RegExp.escape('(?<!') + '([^)]+)').exec('(?<!negative-lookbehind)')[1]);
+
+    this.assertEqual('\\[\\\\w\\]\\+', RegExp.escape('[\\w]+'));
+    this.assertEqual('character class', new RegExp(RegExp.escape('[') + '([^\\]]+)').exec('[character class]')[1]);
+
+    this.assertEqual('<div>', new RegExp(RegExp.escape('<div>')).exec('<td><div></td>')[0]);
+
+    this.assertEqual('false', RegExp.escape(false));
+    this.assertEqual('undefined', RegExp.escape());
+    this.assertEqual('null', RegExp.escape(null));
+    this.assertEqual('42', RegExp.escape(42));
+
+    this.assertEqual('\\\\n\\\\r\\\\t', RegExp.escape('\\n\\r\\t'));
+    this.assertEqual('\n\r\t', RegExp.escape('\n\r\t'));
+    this.assertEqual('\\{5,2\\}', RegExp.escape('{5,2}'));
+
+    this.assertEqual(
+      '\\/\\(\\[\\.\\*\\+\\?\\^\\=\\!\\:\\$\\{\\}\\(\\)\\|\\[\\\\\\]\\\\\\\/\\\\\\\\\\]\\)\\/g',
+      RegExp.escape('/([.*+?^=!:${}()|[\\]\\/\\\\])/g')
+    );
+  }
+});