Added alias to_h for to_hash (#297)

Author: pkuczynski

CHANGELOG.md

@@ -2,7 +2,13 @@
 
 ## Unreleased
 
-...
+### BREAKING CHANGES
+
+After upgrade behaviour of `to_h` would change and match behaviour of `to_hash`. Check [#217](https://github.com/rubyconfig/config/issues/217#issuecomment-741953382) for more details.
+
+### Bug fixes
+
+* Added alias `to_h` for `to_hash` ([#277](https://github.com/railsconfig/config/issues/277))
 
 ## 2.2.3
 

lib/config/options.rb

@@ -123,6 +123,8 @@ def to_hash
       result
     end
 
+    alias :to_h :to_hash
+
     def each(*args, &block)
       marshal_dump.each(*args, &block)
     end

spec/config_spec.rb

@@ -80,6 +80,15 @@
     expect(config[:section][:servers][1]).to be_kind_of(Config::Options)
   end
 
+  it "should convert to a hash without modifying nested settings" do
+    config = Config.load_files("#{fixture_path}/development.yml")
+    config.to_h
+    expect(config).to be_kind_of(Config::Options)
+    expect(config[:section]).to be_kind_of(Config::Options)
+    expect(config[:section][:servers][0]).to be_kind_of(Config::Options)
+    expect(config[:section][:servers][1]).to be_kind_of(Config::Options)
+  end
+
   it "should convert to a json" do
     config = Config.load_files("#{fixture_path}/development.yml").to_json
     expect(JSON.parse(config)["section"]["servers"]).to be_kind_of(Array)