lib/grape/path.rb in grape-1.3.0 vs lib/grape/path.rb in grape-1.3.1

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+require 'grape/util/cache'
+
 module Grape
   # Represents a path to an endpoint.
   class Path
     def self.prepare(raw_path, namespace, settings)
       Path.new(raw_path, namespace, settings)
@@ -56,11 +58,11 @@
         '(/.:format)'
       end
     end
 
     def path
-      Grape::Router.normalize_path(parts.join('/'))
+      Grape::Router.normalize_path(PartsCache[parts])
     end
 
     def path_with_suffix
       "#{path}#{suffix}"
     end
@@ -68,9 +70,17 @@
     def to_s
       path_with_suffix
     end
 
     private
+
+    class PartsCache < Grape::Util::Cache
+      def initialize
+        @cache = Hash.new do |h, parts|
+          h[parts] = -parts.join('/')
+        end
+      end
+    end
 
     def parts
       parts = [mount_path, root_prefix].compact
       parts << ':version' if uses_path_versioning?
       parts << namespace.to_s