support for separate load hash extensions

lib/serialized_hashie.rb

@@ -19,6 +19,10 @@ def dump_extensions
       @dump_extensions ||= Extensions.new
     end
 
+    def load_hash_extensions
+      @load_hash_extensions ||= Extensions.new
+    end
+
   end
 
 end

lib/serialized_hashie/hash.rb

@@ -63,7 +63,11 @@ def load_hash(hash)
       end
 
       def load_value(value)
-        return load_hash(value) if value.is_a?(::Hash)
+        if value.is_a?(::Hash)
+          hash = SerializedHashie.load_hash_extensions.run(value)
+          return load_hash(hash)
+        end
+
         return value.map { |v| load_value(v) } if value.is_a?(Array)
 
         SerializedHashie.load_extensions.run(value)

spec/serialized_hashie/hash_spec.rb

@@ -98,5 +98,13 @@
       expect(hash).to be_a Hashie::Mash
       expect(hash).to eq({ 'hello' => 'world', 'nested' => { 'vegetables' => [{ 'name' => 'potato' }, { 'name' => 'cucumber' }], 'more_nesting' => { 'fruits' => [{ 'name' => 'banana' }, { 'name' => 'apple' }] } } })
     end
+
+    it 'should pass through hashes through their own extensions' do
+      SerializedHashie.load_hash_extensions.add(:test) { |hash| hash.transform_keys(&:upcase) }
+      hash = described_class.load('{"some_hash":{"name":"Michael"}}')
+      expect(hash).to be_a SerializedHashie::Hash
+      expect(hash).to be_a Hashie::Mash
+      expect(hash).to eq({ 'some_hash' => { 'NAME' => 'Michael' } })
+    end
   end
 end