lib/emoji_data.rb in emoji_data-0.0.2 vs lib/emoji_data.rb in emoji_data-0.0.3

@@ -6,10 +6,13 @@
   GEM_ROOT = File.join(File.dirname(__FILE__), '..')
   RAW_JSON = IO.read(File.join(GEM_ROOT, 'vendor/emoji-data/emoji.json'))
   EMOJI_MAP = JSON.parse( RAW_JSON )
   EMOJI_CHARS = EMOJI_MAP.map { |em| EmojiChar.new(em) }
 
+  # hashmap for fast unified lookups
+  EMOJICHAR_UNIFIED_MAP = Hash[EMOJI_CHARS.map { |u| [u.unified, u] }]
+
   def self.all
     EMOJI_CHARS
   end
 
   def self.chars
@@ -27,10 +30,11 @@
   def self.unified_to_char(cp)
     find_by_unified(cp).char
   end
 
   def self.find_by_unified(cp)
-    EMOJI_CHARS.detect { |ec| ec.unified == cp.upcase }
+    # EMOJI_CHARS.detect { |ec| ec.unified == cp.upcase }
+    EMOJICHAR_UNIFIED_MAP[cp.upcase]
   end
 
   def self.find_by_str(str)
     matches = EMOJI_CHARS.select { |ec| str.include? ec.char }
     matches.sort_by { |matched_char| str.index(matched_char.char) }