Add emoji_for_completion helper

app/helpers/notes_helper.rb

@@ -14,4 +14,10 @@ module NotesHelper
       "vote downvote"
     end
   end
+
+  def emoji_for_completion
+    # should be an array of strings
+    # so to_s can be called, because it is sufficient and to_json is too slow
+    Emoji::NAMES
+  end
 end

spec/helpers/notes_helper_spec.rb

+require 'spec_helper'
+
+describe NotesHelper do
+  describe "#emoji_for_completion" do
+    it "should be an Array of Strings" do
+      emoji_for_completion.should be_a(Array)
+      emoji_for_completion.each { |emoji| emoji.should be_a(String) }
+    end
+  end
+end