inflector.rb in dry-inflector-0.1.1

- old
+ new

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
-require "set"
-
 module Dry
   # dry-inflector
   #
   # @since 0.1.0
   class Inflector
@@ -170,20 +168,21 @@
     #   inflector.ordinalize(1)  # => "1st"
     #   inflector.ordinalize(2)  # => "2nd"
     #   inflector.ordinalize(3)  # => "3rd"
     #   inflector.ordinalize(10) # => "10th"
     #   inflector.ordinalize(23) # => "23rd"
-    def ordinalize(number)
+    def ordinalize(number) # rubocop:disable Metrics/MethodLength
       abs_value = number.abs
 
-      if ORDINALIZE_TH.include?(abs_value % 100)
+      if ORDINALIZE_TH.key?(abs_value % 100)
         "#{number}th"
       else
         case abs_value % 10
         when 1 then "#{number}st"
         when 2 then "#{number}nd"
         when 3 then "#{number}rd"
+        else        "#{number}th"
         end
       end
     end
 
     # Pluralize a string
@@ -271,10 +270,10 @@
 
     private
 
     # @since 0.1.0
     # @api private
-    ORDINALIZE_TH = (4..16).to_set.freeze
+    ORDINALIZE_TH = (11..13).each_with_object({}) { |n, ret| ret[n] = true }.freeze
 
     # @since 0.1.0
     # @api private
     attr_reader :inflections
 