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56 lines
1.5 KiB
56 lines
1.5 KiB
# frozen_string_literal: true |
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def codepoints_to_filename(codepoints) |
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codepoints.downcase.gsub(/\A[0]+/, '').tr(' ', '-') |
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end |
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def codepoints_to_unicode(codepoints) |
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if codepoints.include?(' ') |
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codepoints.split(' ').map(&:hex).pack('U*') |
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else |
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[codepoints.hex].pack('U') |
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end |
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end |
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namespace :emojis do |
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desc 'Generate a unicode to filename mapping' |
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task :generate do |
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source = 'http://www.unicode.org/Public/emoji/5.0/emoji-test.txt' |
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codes = [] |
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dest = Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_map.json') |
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puts "Downloading emojos from source... (#{source})" |
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HTTP.get(source).to_s.split("\n").each do |line| |
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next if line.start_with? '#' |
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parts = line.split(';').map(&:strip) |
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next if parts.size < 2 |
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codes << [parts[0], parts[1].start_with?('fully-qualified')] |
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end |
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grouped_codes = codes.reduce([]) do |agg, current| |
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if current[1] |
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agg << [current[0]] |
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else |
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agg.last << current[0] |
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agg |
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end |
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end |
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existence_maps = grouped_codes.map { |c| c.map { |cc| [cc, File.exist?(Rails.root.join('public', 'emoji', codepoints_to_filename(cc) + '.svg'))] }.to_h } |
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map = {} |
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existence_maps.each do |group| |
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existing_one = group.key(true) |
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group.each_key do |key| |
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map[codepoints_to_unicode(key)] = codepoints_to_filename(existing_one) |
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end |
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end |
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map = map.sort { |a, b| a[0].size <=> b[0].size }.to_h |
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File.write(dest, Oj.dump(map)) |
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puts "Wrote emojo to destination! (#{dest})" |
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end |
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end
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