MultiJson::Engines::OkJson.symbolize_keys supports Array

Author: ishikawa

lib/multi_json/engines/ok_json.rb

@@ -16,11 +16,19 @@ def self.encode(object) #:nodoc:
       end
 
       def self.symbolize_keys(object) #:nodoc:
-        return object unless object.is_a?(Hash)
-        object.inject({}) do |result, (key, value)|
-          new_key   = key.is_a?(String) ? key.to_sym : key
-          new_value = value.is_a?(Hash) ? symbolize_keys(value) : value
-          result.merge! new_key => new_value
+        case object
+        when Array
+          object.map do |value|
+            symbolize_keys(value)
+          end
+        when Hash
+          object.inject({}) do |result, (key, value)|
+            new_key   = key.is_a?(String) ? key.to_sym : key
+            new_value = symbolize_keys(value)
+            result.merge! new_key => new_value
+          end
+        else
+          object
         end
       end
 

spec/multi_json_spec.rb

@@ -111,7 +111,22 @@ def self.encode(string)
         end
 
         it 'allows for symbolization of keys' do
-          MultiJson.decode('{"abc":{"def":"hgi"}}', :symbolize_keys => true).should == { :abc => { :def => 'hgi' } }
+          [
+            [
+              '{"abc":{"def":"hgi"}}',
+              { :abc => { :def => 'hgi' } }
+            ],
+            [
+              '[{"abc":{"def":"hgi"}}]',
+              [ { :abc => { :def => 'hgi' } } ]
+            ],
+            [
+              '{"abc":[{"def":"hgi"}]}',
+              { :abc => [ { :def => 'hgi' } ] }
+            ],
+          ].each do |example, expected|
+            MultiJson.decode(example, :symbolize_keys => true).should == expected
+          end
         end
       end
     end