emoji.rb

# coding: UTF-8

# emoji plugin
# ====
#
# You can post Emoji easily!
#
# Usage
# ----
#
#    heading to Shibuya :train:
#    :zzz:
#
# See also:
# ----
#
# * https://github.com/jugyo/named_emoji
# * http://www.emoji-cheat-sheet.com/
#

require 'named_emoji'

Earthquake.init do
  input_filter do |text|
    next text unless text =~ %r|^(:\w+)|
    text.gsub(/:([^\s:]+):/) do |emoji_name|
      NamedEmoji.emojis[$1.to_sym] || emoji_name
    end
  end

  completion do |text|
    next [] if Readline.line_buffer.strip == text
    regexp = /^#{Regexp.quote(text)}/
    NamedEmoji.emojis.keys.map {|i| ":#{i}:"}.grep(regexp)
  end

  command :emojis do
    puts NamedEmoji.emojis.map {|k, v| "#{v}  #{k}"}.join("   ")
  end
end