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# frozen_string_literal: true
require 'json'
module Tooling
module Danger
class EmojiChecker
DIGESTS = File.expand_path('../../fixtures/emojis/digests.json', __dir__)
ALIASES = File.expand_path('../../fixtures/emojis/aliases.json', __dir__)
# A regex that indicates a piece of text _might_ include an Emoji. The regex
# alone is not enough, as we'd match `:foo:bar:baz`. Instead, we use this
# regex to save us from having to check for all possible emoji names when we
# know one definitely is not included.
LIKELY_EMOJI = /:[\+a-z0-9_\-]+:/.freeze
UNICODE_EMOJI_REGEX = %r{(
[\u{1F300}-\u{1F5FF}] |
[\u{1F1E6}-\u{1F1FF}] |
[\u{2700}-\u{27BF}] |
[\u{1F900}-\u{1F9FF}] |
[\u{1F600}-\u{1F64F}] |
[\u{1F680}-\u{1F6FF}] |
[\u{2600}-\u{26FF}]
)}x.freeze
def initialize
names = JSON.parse(File.read(DIGESTS)).keys +
JSON.parse(File.read(ALIASES)).keys
@emoji = names.map { |name| ":#{name}:" }
end
def includes_text_emoji?(text)
return false unless text.match?(LIKELY_EMOJI)
@emoji.any? { |emoji| text.include?(emoji) }
end
def includes_unicode_emoji?(text)
text.match?(UNICODE_EMOJI_REGEX)
end
end
end
end
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