lib/grover/utils.rb in grover-0.2.2 vs lib/grover/utils.rb in grover-0.3.0

@@ -1,13 +1,48 @@
 class Grover
   #
   # Utility class for Grover helper methods
   #
   class Utils
+    ACRONYMS = {
+      'css' => 'CSS'
+    }.freeze
+    private_constant :ACRONYMS
+
+    #
+    # Removes leading/trailing whitespaces and squishes inner whitespace with a single space
+    #
+    # N.B. whitespace includes all 'blank' characters as well as newlines/carriage returns etc.
+    #
     def self.squish(string)
       string.
         gsub(/\A[[:space:]]+/, '').
         gsub(/[[:space:]]+\z/, '').
         gsub(/[[:space:]]+/, ' ')
     end
+
+    #
+    # Recursively normalizes hash objects with camelized string keys
+    #
+    def self.normalize_object(object)
+      if object.is_a? Hash
+        object.each_with_object({}) do |(k, v), acc|
+          acc[normalize_key(k)] = normalize_object(v)
+        end
+      else
+        object
+      end
+    end
+
+    #
+    # Normalizes hash keys into camelized strings, including up-casing known acronyms
+    #
+    # Regex sourced from ActiveSupport camelize
+    #
+    def self.normalize_key(key)
+      key.to_s.downcase.gsub(%r{(?:_|(/))([a-z\d]*)}) do
+        "#{Regexp.last_match(1)}#{ACRONYMS[Regexp.last_match(2)] || Regexp.last_match(2).capitalize}"
+      end
+    end
+    private_class_method :normalize_key
   end
 end