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mastodon/app/lib/language_detector.rb

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# frozen_string_literal: true
class LanguageDetector
attr_reader :text, :account
def initialize(text, account = nil)
@text = text
@account = account
@identifier = CLD3::NNetLanguageIdentifier.new(1, 2048)
end
def to_iso_s
detected_language_code || default_locale.to_sym
end
private
def detected_language_code
result.language.to_sym if detected_language_reliable?
end
def result
@result ||= @identifier.find_language(text_without_urls)
end
def detected_language_reliable?
result.reliable?
end
def text_without_urls
text.dup.tap do |new_text|
URI.extract(new_text).each do |url|
new_text.gsub!(url, '')
end
end
end
def default_locale
account&.user_locale || I18n.default_locale
end
end