Add Emoji::Character#skin_tones?

Author: mislav

lib/emoji.rb

@@ -118,6 +118,7 @@ def parse_data_file
           emoji.description = dedup.call(raw_emoji[:description])
           emoji.unicode_version = dedup.call(raw_emoji[:unicode_version])
           emoji.ios_version = dedup.call(raw_emoji[:ios_version])
+          emoji.skin_tones = raw_emoji.fetch(:skin_tones, false)
         end
       end
     end

lib/emoji/character.rb

@@ -11,6 +11,11 @@ def self.hex_inspect(str)
     # True if the emoji is not a standard Emoji character.
     def custom?() !raw end
 
+    # True if the emoji supports Fitzpatrick scale skin tone modifiers
+    def skin_tones?() @skin_tones end
+
+    attr_writer :skin_tones
+
     # A list of names uniquely referring to this emoji.
     attr_reader :aliases
 
@@ -54,6 +59,7 @@ def initialize(name)
       @aliases = Array(name)
       @unicode_aliases = []
       @tags = []
+      @skin_tones = false
     end
 
     def inspect

test/emoji_test.rb

@@ -153,6 +153,14 @@ class EmojiTest < TestCase
     assert_equal '8.3', emoji.ios_version
   end
 
+  test "skin tones" do
+    smiley = Emoji.find_by_alias("smiley")
+    assert_equal false, smiley.skin_tones?
+
+    wave = Emoji.find_by_alias("wave")
+    assert_equal true, wave.skin_tones?
+  end
+
   test "no custom emojis" do
     custom = Emoji.all.select(&:custom?)
     assert 0, custom.size