lib/polyfill/v2_4/io/instance/each_line.rb in polyfill-0.3.0 vs lib/polyfill/v2_4/io/instance/each_line.rb in polyfill-0.4.0

@@ -1,65 +1,52 @@
+require 'English'
+
 module Polyfill
   module V2_4
     module IO
       module Instance
         module EachLine
           module Method
             def each_line(*args)
               hash, others = args.partition { |arg| arg.is_a?(::Hash) }
-
               chomps = hash[0] && hash[0][:chomp]
 
               unless block_given?
-                if chomps
-                  separator = others.find { |other| other.respond_to?(:to_str) }
+                return super(*others) unless chomps
 
-                  return Enumerator.new do |yielder|
-                    block =
-                      if separator
-                        Proc.new do |line|
-                          yielder.yield(line.chomp(separator))
-                        end
-                      else
-                        Proc.new do |line|
-                          yielder.yield(line.chomp)
-                        end
-                      end
-                    super(*others, &block)
+                separator = others.find do |other|
+                  other.respond_to?(:to_str)
+                end || $INPUT_RECORD_SEPARATOR
+                return ::Enumerator.new do |yielder|
+                  super(*others) do |line|
+                    yielder.yield(line.chomp(separator))
                   end
-                else
-                  return super(*others)
                 end
               end
 
               block =
                 if chomps
-                  separator = others.find { |other| other.respond_to?(:to_str) }
-                  if separator
-                    Proc.new do |line|
-                      yield(line.chomp(separator))
-                    end
-                  else
-                    Proc.new do |line|
-                      yield(line.chomp)
-                    end
+                  separator = others.find do |other|
+                    other.respond_to?(:to_str)
+                  end || $INPUT_RECORD_SEPARATOR
+
+                  proc do |line|
+                    yield(line.chomp(separator))
                   end
                 else
                   Proc.new
                 end
 
               super(*others, &block)
             end
           end
 
-          if RUBY_VERSION < '2.4.0'
-            refine ::IO do
-              include Method
-            end
+          refine ::IO do
+            include Method
+          end
 
-            def self.included(base)
-              base.include Method
-            end
+          def self.included(base)
+            base.include Method
           end
         end
       end
     end
   end