333 lines
11 KiB
Ruby
333 lines
11 KiB
Ruby
# frozen_string_literal: true
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module JsLocaleHelper
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def self.plugin_client_files(locale_str)
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files = Dir["#{Rails.root}/plugins/*/config/locales/client*.#{locale_str}.yml"]
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files += DiscourseDev.client_locale_files(locale_str) if Rails.env.development?
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I18n::Backend::DiscourseI18n.sort_locale_files(files)
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end
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def self.reloadable_plugins(locale_sym, ctx)
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return unless Rails.env.development?
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I18n.fallbacks[locale_sym].each do |locale|
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plugin_client_files(locale.to_s).each do |file|
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ctx.depend_on(file)
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end
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end
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end
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def self.plugin_translations(locale_str)
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@plugin_translations ||= HashWithIndifferentAccess.new
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@plugin_translations[locale_str] ||= begin
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translations = {}
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plugin_client_files(locale_str).each do |file|
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if plugin_translations = YAML.load_file(file)[locale_str]
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translations.deep_merge!(plugin_translations)
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end
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end
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translations
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end
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end
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def self.load_translations(locale)
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@loaded_translations ||= HashWithIndifferentAccess.new
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@loaded_translations[locale] ||= begin
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locale_str = locale.to_s
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# load default translations
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yml_file = "#{Rails.root}/config/locales/client.#{locale_str}.yml"
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if File.exist?(yml_file)
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translations = YAML.load_file(yml_file)
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else
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# If we can't find a base file in Discourse, it might only exist in a plugin
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# so let's start with a basic object we can merge into
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translations = {
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locale_str => {
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'js' => {},
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'admin_js' => {},
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'wizard_js' => {}
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}
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}
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end
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# merge translations (plugin translations overwrite default translations)
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if translations[locale_str] && plugin_translations(locale_str)
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translations[locale_str]['js'] ||= {}
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translations[locale_str]['admin_js'] ||= {}
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translations[locale_str]['wizard_js'] ||= {}
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translations[locale_str]['js'].deep_merge!(plugin_translations(locale_str)['js']) if plugin_translations(locale_str)['js']
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translations[locale_str]['admin_js'].deep_merge!(plugin_translations(locale_str)['admin_js']) if plugin_translations(locale_str)['admin_js']
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translations[locale_str]['wizard_js'].deep_merge!(plugin_translations(locale_str)['wizard_js']) if plugin_translations(locale_str)['wizard_js']
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end
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translations
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end
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end
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# deeply removes keys from "deleting_from" that are already present in "checking_hashes"
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def self.deep_delete_matches(deleting_from, checking_hashes)
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checking_hashes.compact!
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new_hash = deleting_from.dup
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deleting_from.each do |key, value|
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if value.is_a?(Hash)
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new_at_key = deep_delete_matches(deleting_from[key], checking_hashes.map { |h| h[key] })
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if new_at_key.empty?
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new_hash.delete(key)
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else
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new_hash[key] = new_at_key
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end
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else
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if checking_hashes.any? { |h| h.include?(key) }
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new_hash.delete(key)
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end
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end
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end
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new_hash
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end
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def self.load_translations_merged(*locales)
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locales = locales.uniq.compact
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@loaded_merges ||= {}
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@loaded_merges[locales.join('-')] ||= begin
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all_translations = {}
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merged_translations = {}
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loaded_locales = []
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locales.map(&:to_s).each do |locale|
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all_translations[locale] = load_translations(locale)
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merged_translations[locale] = deep_delete_matches(all_translations[locale][locale], loaded_locales.map { |l| merged_translations[l] })
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loaded_locales << locale
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end
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merged_translations
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end
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end
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def self.clear_cache!
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@loaded_translations = nil
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@plugin_translations = nil
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@loaded_merges = nil
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end
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def self.translations_for(locale_str)
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clear_cache! if Rails.env.development?
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locale_sym = locale_str.to_sym
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translations = I18n.with_locale(locale_sym) do
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if locale_sym == :en
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load_translations(locale_sym)
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else
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load_translations_merged(*I18n.fallbacks[locale_sym])
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end
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end
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Marshal.load(Marshal.dump(translations))
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end
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def self.output_locale(locale)
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locale_str = locale.to_s
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fallback_locale_str = LocaleSiteSetting.fallback_locale(locale_str)&.to_s
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translations = translations_for(locale_str)
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message_formats = remove_message_formats!(translations, locale)
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mf_locale, mf_filename = find_message_format_locale([locale_str], fallback_to_english: true)
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result = generate_message_format(message_formats, mf_locale, mf_filename)
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translations.keys.each do |l|
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translations[l].keys.each do |k|
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translations[l].delete(k) unless k == "js"
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end
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end
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# I18n
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result << "I18n.translations = #{translations.to_json};\n"
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result << "I18n.locale = '#{locale_str}';\n"
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result << "I18n.fallbackLocale = '#{fallback_locale_str}';\n" if fallback_locale_str && fallback_locale_str != "en"
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result << "I18n.pluralizationRules.#{locale_str} = MessageFormat.locale.#{mf_locale};\n" if mf_locale != "en"
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# moment
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result << File.read("#{Rails.root}/vendor/assets/javascripts/moment.js")
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result << File.read("#{Rails.root}/vendor/assets/javascripts/moment-timezone-with-data.js")
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result << moment_locale(locale_str)
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result << moment_locale(locale_str, timezone_names: true)
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result << moment_formats
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result
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end
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def self.output_client_overrides(locale)
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translations = (I18n.overrides_by_locale(locale) || {}).select { |k, _| k[/^(admin_js|js)\./] }
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return "" if translations.blank?
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message_formats = {}
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translations.delete_if do |key, value|
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if key.to_s.end_with?("_MF")
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message_formats[key] = value
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end
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end
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message_formats = message_formats.map { |k, v| "#{k.inspect}: #{v}" }.join(", ")
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<<~JS
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I18n._mfOverrides = {#{message_formats}};
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I18n._overrides = #{translations.to_json};
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JS
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end
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def self.output_extra_locales(bundle, locale)
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translations = translations_for(locale)
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translations.keys.each do |l|
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translations[l].keys.each do |k|
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bundle_translations = translations[l].delete(k)
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translations[l].deep_merge!(bundle_translations) if k == bundle
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end
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end
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translations.present? ? "I18n.extras = #{translations.to_json};" : ""
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end
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MOMENT_LOCALE_MAPPING ||= {
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"hy" => "hy-am"
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}
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def self.find_moment_locale(locale_chain, timezone_names: false)
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if timezone_names
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path = "#{Rails.root}/vendor/assets/javascripts/moment-timezone-names-locale"
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type = :moment_js_timezones
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else
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path = "#{Rails.root}/vendor/assets/javascripts/moment-locale"
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type = :moment_js
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end
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find_locale(locale_chain, path, type, fallback_to_english: false) do |locale|
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locale = MOMENT_LOCALE_MAPPING[locale] if MOMENT_LOCALE_MAPPING.key?(locale)
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# moment.js uses a different naming scheme for locale files
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locale.tr('_', '-').downcase
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end
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end
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def self.find_message_format_locale(locale_chain, fallback_to_english:)
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path = "#{Rails.root}/lib/javascripts/locale"
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find_locale(locale_chain, path, :message_format, fallback_to_english: fallback_to_english)
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end
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def self.find_locale(locale_chain, path, type, fallback_to_english:)
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locale_chain.map!(&:to_s)
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locale_chain.each do |locale|
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plugin_locale = DiscoursePluginRegistry.locales[locale]
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return plugin_locale[type] if plugin_locale&.has_key?(type)
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locale = yield(locale) if block_given?
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filename = File.join(path, "#{locale}.js")
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return [locale, filename] if File.exist?(filename)
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end
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locale_chain.map! { |locale| yield(locale) } if block_given?
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# try again, but this time only with the language itself
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locale_chain = locale_chain.map { |l| l.split(/[-_]/)[0] }
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.uniq.reject { |l| locale_chain.include?(l) }
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if locale_chain.any?
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locale_data = find_locale(locale_chain, path, type, fallback_to_english: false)
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return locale_data if locale_data
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end
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# English should alyways work
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["en", File.join(path, "en.js")] if fallback_to_english
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end
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def self.moment_formats
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result = +""
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result << moment_format_function('short_date_no_year')
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result << moment_format_function('short_date')
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result << moment_format_function('long_date')
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result << "moment.fn.relativeAge = function(opts){ return Discourse.Formatter.relativeAge(this.toDate(), opts)};\n"
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end
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def self.moment_format_function(name)
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format = I18n.t("dates.#{name}")
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"moment.fn.#{name.camelize(:lower)} = function(){ return this.format('#{format}'); };\n"
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end
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def self.moment_locale(locale, timezone_names: false)
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_, filename = find_moment_locale([locale], timezone_names: timezone_names)
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filename && File.exist?(filename) ? File.read(filename) << "\n" : ""
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end
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def self.generate_message_format(message_formats, locale, filename)
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formats = message_formats.map { |k, v| k.inspect << " : " << compile_message_format(filename, locale, v) }.join(", ")
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result = +"MessageFormat = {locale: {}};\n"
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result << "I18n._compiledMFs = {#{formats}};\n"
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result << File.read(filename) << "\n"
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result << File.read("#{Rails.root}/lib/javascripts/messageformat-lookup.js") << "\n"
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end
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def self.reset_context
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@ctx&.dispose
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@ctx = nil
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end
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@mutex = Mutex.new
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def self.with_context
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@mutex.synchronize do
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yield @ctx ||= begin
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ctx = MiniRacer::Context.new(timeout: 15000, ensure_gc_after_idle: 2000)
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ctx.load("#{Rails.root}/lib/javascripts/messageformat.js")
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ctx
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end
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end
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end
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def self.compile_message_format(path, locale, format)
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with_context do |ctx|
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ctx.load(path) if File.exist?(path)
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ctx.eval("mf = new MessageFormat('#{locale}');")
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ctx.eval("mf.precompile(mf.parse(#{format.inspect}))")
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end
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rescue MiniRacer::EvalError => e
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message = +"Invalid Format: " << e.message
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"function(){ return #{message.inspect};}"
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end
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def self.remove_message_formats!(translations, locale)
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message_formats = {}
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I18n.fallbacks[locale].map(&:to_s).each do |l|
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next unless translations.key?(l)
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%w{js admin_js}.each do |k|
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message_formats.merge!(strip_out_message_formats!(translations[l][k]))
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end
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end
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message_formats
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end
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def self.strip_out_message_formats!(hash, prefix = "", message_formats = {})
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if hash.is_a?(Hash)
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hash.each do |key, value|
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if value.is_a?(Hash)
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message_formats.merge!(strip_out_message_formats!(value, join_key(prefix, key), message_formats))
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elsif key.to_s.end_with?("_MF")
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message_formats[join_key(prefix, key)] = value
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hash.delete(key)
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end
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end
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end
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message_formats
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end
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def self.join_key(prefix, key)
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prefix.blank? ? key : "#{prefix}.#{key}"
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end
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end
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