Merge pull request #30 from duffyjp/uncolor

Add uncolor String method to remove ANSI color codes

CHANGELOG.md

@@ -1,3 +1,7 @@
+## unreleased
+  - Add `uncolor` method to remove ANSI color sequences. 
+
+
 ## v1.1.0
   - Print out method keyword arguments
   - Fix NoMethodError with Sequel

lib/amazing_print/core_ext/string.rb

@@ -40,4 +40,9 @@ class String
 
   alias black grayish
   alias pale  whiteish
+
+  # Remove ANSI color codes.
+  def uncolor
+    gsub(/\e\[[0-9;]*m/, '')
+  end
 end

spec/colors_spec.rb

@@ -112,5 +112,12 @@ def tty?
         end
       end
     end
+
+    describe 'uncolor' do
+      it 'removes any ANSI color codes' do
+        expect('red'.red + 'blue'.blue).to eq "\e[1;31mred\e[0m\e[1;34mblue\e[0m"
+        expect(('red'.red + 'blue'.blue).uncolor).to eq 'redblue'
+      end
+    end
   end
 end