闭社主体
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40 lines
693 B
40 lines
693 B
# frozen_string_literal: true
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require 'singleton'
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class Emoji
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include Singleton
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def initialize
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data = Oj.load(File.open(File.join(Rails.root, 'lib', 'assets', 'emoji.json')))
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@map = {}
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data.each do |_, emoji|
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keys = [emoji['shortname']] + emoji['aliases']
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unicode = codepoint_to_unicode(emoji['unicode'])
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keys.each do |key|
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@map[key] = unicode
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end
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end
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end
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def unicode(shortcode)
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@map[shortcode]
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end
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def names
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@map.keys
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end
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private
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def codepoint_to_unicode(codepoint)
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if codepoint.include?('-')
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codepoint.split('-').map(&:hex).pack('U*')
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else
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[codepoint.hex].pack('U')
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end
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end
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end
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