From f6e1305e01121d72d54b875b764e6422f12f5ba1 Mon Sep 17 00:00:00 2001
From: Rene Saarsoo <nene@triin.net>
Date: Mon, 16 Jul 2012 17:37:02 -0700
Subject: [PATCH] Consider alternateClassNames when generating @since tags.

---
 lib/jsduck/old_versions.rb |  9 ++++++---
 spec/old_versions_spec.rb  | 12 +++++++++---
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/lib/jsduck/old_versions.rb b/lib/jsduck/old_versions.rb
index 4a2d4909..6d950c0f 100644
--- a/lib/jsduck/old_versions.rb
+++ b/lib/jsduck/old_versions.rb
@@ -55,14 +55,17 @@ module JsDuck
     # classes/members.
     def generate_since_tags(versions, relations)
       relations.each do |cls|
-        cls[:meta][:since] = available_since(versions, cls[:name])
+        cls[:meta][:since] = available_since(versions, cls)
       end
     end
 
     # Returns name of the version since which the class is available
-    def available_since(versions, class_name)
+    def available_since(versions, cls)
       versions.each do |ver|
-        return ver[:version] if ver[:classes][class_name]
+        return ver[:version] if ver[:classes][cls[:name]]
+        cls[:alternateClassNames].each do |name|
+          return ver[:version] if ver[:classes][name]
+        end
       end
     end
 
diff --git a/spec/old_versions_spec.rb b/spec/old_versions_spec.rb
index 2c332577..28e58070 100644
--- a/spec/old_versions_spec.rb
+++ b/spec/old_versions_spec.rb
@@ -13,6 +13,7 @@ describe "JsDuck::OldVersions#generate_since_tags" do
         :version => "2.0", :classes => {
           "VeryOldClass" => {},
           "OldClass" => {},
+          "ClassWithOldName" => {},
         },
       },
       {
@@ -20,9 +21,10 @@ describe "JsDuck::OldVersions#generate_since_tags" do
       }
     ]
     @relations = [
-      {:name => "VeryOldClass", :meta => {}},
-      {:name => "OldClass", :meta => {}},
-      {:name => "NewClass", :meta => {}},
+      {:name => "VeryOldClass", :meta => {}, :alternateClassNames => []},
+      {:name => "OldClass", :meta => {}, :alternateClassNames => []},
+      {:name => "NewClass", :meta => {}, :alternateClassNames => []},
+      {:name => "ClassWithNewName", :meta => {}, :alternateClassNames => ["ClassWithOldName"]},
     ]
     JsDuck::OldVersions.generate_since_tags(@versions, @relations)
   end
@@ -39,4 +41,8 @@ describe "JsDuck::OldVersions#generate_since_tags" do
     @relations[2][:meta][:since].should == "3.0"
   end
 
+  it "adds @since 2.0 to ClassWithNewName" do
+    @relations[3][:meta][:since].should == "2.0"
+  end
+
 end
-- 
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