prototype: improvements to deprecation.js.

CHANGELOG

@@ -1,3 +1,9 @@
+* deprecation extension: mark Class.create() used without arguments as deprecated. [Tobie Langel]
+
+* deprecation extension: mark Event.unloadCache as removed rather than deprecated. [Tobie Langel]
+
+* deprecation extension: log everything *but* deprecations with console.error. [Tobie Langel]
+
 * Change deprecation extension to use Firebug's console.warn and console.error. [Andrew Dupont, Tobie Langel]
 
 * Make tagName comparisons XHTML-compliant. Closes #11012, #11013, #11014. [cfis, Tobie Langel]

ext/deprecation/deprecation.js

@@ -61,7 +61,7 @@ var DeprecationNotifier = {
   },
   
   log: function(message, type) {
-    if (type === 'removal') {
+    if (type !== 'deprecation') {
       console.error(message);
     } else console.warn(message);
   }
@@ -295,7 +295,18 @@ DeprecationNotifier.init([
   {
     methodName: 'unloadCache',
     namespace: Event,
-    message: 'Event.unloadCache has been deprecated.'
+    message: 'Event.unloadCache has been deprecated.',
+    type: 'removal'
+  },
+  
+  {
+    methodName: 'create',
+    namespace: Class,
+    message: 'The class API has been fully revised and now allows for mixins and inheritance.\n' + 
+      'You can find more about it here: http://prototypejs.org/learn/class-inheritance',
+    condition: function() {
+      return !arguments.length;
+    }
   }
 ]);
 

ext/deprecation/deprecation_test.html

@@ -212,7 +212,7 @@
 
     testEvent: function(){ with(this) {
       Event.unloadCache();
-      assertDeprecationNotified('Event.unloadCache has been deprecated.')
+      assertRemovalNotified('Event.unloadCache has been deprecated.')
     }},
     
     testHash: function(){ with(this) {
@@ -254,6 +254,14 @@
       h.set('toJSON', 'arg'); // make sure hash methods are not overwritten
       assertRespondsTo('toJSON', h)
     }},
+
+    testClass: function(){ with(this) {
+      Class.create();
+      assertDeprecationNotified('The class API has been fully revised and now allows for mixins and inheritance.\n' + 
+        'You can find more about it here: http://prototypejs.org/learn/class-inheritance');
+      Class.create({});
+      assertNotNotified();
+    }},
     
     testLogDeprecationOption: function(){ with(this) {
       DeprecationNotifier.logDeprecation = false;