mirror of
https://github.com/discourse/discourse.git
synced 2024-11-22 22:21:55 +08:00
4601833e4e
Prior to this change we would never clear memory from contexts and rely on V8 reacting to pressure This could lead to bloating of PrettyText and Transpiler contexts This optimisations ensures that we will clear memory 2 seconds after the last eval on the context
333 lines
11 KiB
Ruby
333 lines
11 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module JsLocaleHelper
|
|
|
|
def self.plugin_client_files(locale_str)
|
|
Dir["#{Rails.root}/plugins/*/config/locales/client.#{locale_str}.yml"]
|
|
end
|
|
|
|
def self.reloadable_plugins(locale_sym, ctx)
|
|
return unless Rails.env.development?
|
|
I18n.fallbacks[locale_sym].each do |locale|
|
|
plugin_client_files(locale.to_s).each do |file|
|
|
ctx.depend_on(file)
|
|
end
|
|
end
|
|
end
|
|
|
|
def self.plugin_translations(locale_str)
|
|
@plugin_translations ||= HashWithIndifferentAccess.new
|
|
|
|
@plugin_translations[locale_str] ||= begin
|
|
translations = {}
|
|
|
|
plugin_client_files(locale_str).each do |file|
|
|
if plugin_translations = YAML.load_file(file)[locale_str]
|
|
translations.deep_merge!(plugin_translations)
|
|
end
|
|
end
|
|
|
|
translations
|
|
end
|
|
end
|
|
|
|
def self.load_translations(locale)
|
|
@loaded_translations ||= HashWithIndifferentAccess.new
|
|
@loaded_translations[locale] ||= begin
|
|
locale_str = locale.to_s
|
|
|
|
# load default translations
|
|
yml_file = "#{Rails.root}/config/locales/client.#{locale_str}.yml"
|
|
if File.exist?(yml_file)
|
|
translations = YAML.load_file(yml_file)
|
|
else
|
|
# If we can't find a base file in Discourse, it might only exist in a plugin
|
|
# so let's start with a basic object we can merge into
|
|
translations = {
|
|
locale_str => {
|
|
'js' => {},
|
|
'admin_js' => {},
|
|
'wizard_js' => {}
|
|
}
|
|
}
|
|
end
|
|
|
|
# merge translations (plugin translations overwrite default translations)
|
|
if translations[locale_str] && plugin_translations(locale_str)
|
|
translations[locale_str]['js'] ||= {}
|
|
translations[locale_str]['admin_js'] ||= {}
|
|
translations[locale_str]['wizard_js'] ||= {}
|
|
|
|
translations[locale_str]['js'].deep_merge!(plugin_translations(locale_str)['js']) if plugin_translations(locale_str)['js']
|
|
translations[locale_str]['admin_js'].deep_merge!(plugin_translations(locale_str)['admin_js']) if plugin_translations(locale_str)['admin_js']
|
|
translations[locale_str]['wizard_js'].deep_merge!(plugin_translations(locale_str)['wizard_js']) if plugin_translations(locale_str)['wizard_js']
|
|
end
|
|
|
|
translations
|
|
end
|
|
end
|
|
|
|
# deeply removes keys from "deleting_from" that are already present in "checking_hashes"
|
|
def self.deep_delete_matches(deleting_from, checking_hashes)
|
|
checking_hashes.compact!
|
|
|
|
new_hash = deleting_from.dup
|
|
deleting_from.each do |key, value|
|
|
if value.is_a?(Hash)
|
|
new_at_key = deep_delete_matches(deleting_from[key], checking_hashes.map { |h| h[key] })
|
|
if new_at_key.empty?
|
|
new_hash.delete(key)
|
|
else
|
|
new_hash[key] = new_at_key
|
|
end
|
|
else
|
|
if checking_hashes.any? { |h| h.include?(key) }
|
|
new_hash.delete(key)
|
|
end
|
|
end
|
|
end
|
|
new_hash
|
|
end
|
|
|
|
def self.load_translations_merged(*locales)
|
|
locales = locales.uniq.compact
|
|
@loaded_merges ||= {}
|
|
@loaded_merges[locales.join('-')] ||= begin
|
|
all_translations = {}
|
|
merged_translations = {}
|
|
loaded_locales = []
|
|
|
|
locales.map(&:to_s).each do |locale|
|
|
all_translations[locale] = load_translations(locale)
|
|
merged_translations[locale] = deep_delete_matches(all_translations[locale][locale], loaded_locales.map { |l| merged_translations[l] })
|
|
loaded_locales << locale
|
|
end
|
|
merged_translations
|
|
end
|
|
end
|
|
|
|
def self.clear_cache!
|
|
@loaded_translations = nil
|
|
@plugin_translations = nil
|
|
@loaded_merges = nil
|
|
end
|
|
|
|
def self.translations_for(locale_str)
|
|
clear_cache! if Rails.env.development?
|
|
|
|
locale_sym = locale_str.to_sym
|
|
|
|
translations = I18n.with_locale(locale_sym) do
|
|
if locale_sym == :en
|
|
load_translations(locale_sym)
|
|
else
|
|
load_translations_merged(*I18n.fallbacks[locale_sym])
|
|
end
|
|
end
|
|
|
|
Marshal.load(Marshal.dump(translations))
|
|
end
|
|
|
|
def self.output_locale(locale)
|
|
locale_str = locale.to_s
|
|
fallback_locale_str = LocaleSiteSetting.fallback_locale(locale_str)&.to_s
|
|
translations = translations_for(locale_str)
|
|
|
|
message_formats = remove_message_formats!(translations, locale)
|
|
mf_locale, mf_filename = find_message_format_locale([locale_str], fallback_to_english: true)
|
|
result = generate_message_format(message_formats, mf_locale, mf_filename)
|
|
|
|
translations.keys.each do |l|
|
|
translations[l].keys.each do |k|
|
|
translations[l].delete(k) unless k == "js"
|
|
end
|
|
end
|
|
|
|
# I18n
|
|
result << "I18n.translations = #{translations.to_json};\n"
|
|
result << "I18n.locale = '#{locale_str}';\n"
|
|
result << "I18n.fallbackLocale = '#{fallback_locale_str}';\n" if fallback_locale_str && fallback_locale_str != "en"
|
|
result << "I18n.pluralizationRules.#{locale_str} = MessageFormat.locale.#{mf_locale};\n" if mf_locale != "en"
|
|
|
|
# moment
|
|
result << File.read("#{Rails.root}/vendor/assets/javascripts/moment.js")
|
|
result << File.read("#{Rails.root}/vendor/assets/javascripts/moment-timezone-with-data.js")
|
|
result << moment_locale(locale_str)
|
|
result << moment_locale(locale_str, timezone_names: true)
|
|
result << moment_formats
|
|
|
|
result
|
|
end
|
|
|
|
def self.output_client_overrides(locale)
|
|
translations = (I18n.overrides_by_locale(locale) || {}).select { |k, _| k[/^(admin_js|js)\./] }
|
|
return "" if translations.blank?
|
|
|
|
message_formats = {}
|
|
|
|
translations.delete_if do |key, value|
|
|
if key.to_s.end_with?("_MF")
|
|
message_formats[key] = value
|
|
end
|
|
end
|
|
|
|
message_formats = message_formats.map { |k, v| "#{k.inspect}: #{v}" }.join(", ")
|
|
|
|
<<~JS
|
|
I18n._mfOverrides = {#{message_formats}};
|
|
I18n._overrides = #{translations.to_json};
|
|
JS
|
|
end
|
|
|
|
def self.output_extra_locales(bundle, locale)
|
|
translations = translations_for(locale)
|
|
|
|
translations.keys.each do |l|
|
|
translations[l].keys.each do |k|
|
|
bundle_translations = translations[l].delete(k)
|
|
translations[l].deep_merge!(bundle_translations) if k == bundle
|
|
end
|
|
end
|
|
|
|
translations.present? ? "I18n.extras = #{translations.to_json};" : ""
|
|
end
|
|
|
|
MOMENT_LOCALE_MAPPING ||= {
|
|
"hy" => "hy-am",
|
|
"en" => "en-gb"
|
|
}
|
|
|
|
def self.find_moment_locale(locale_chain, timezone_names: false)
|
|
if timezone_names
|
|
path = "#{Rails.root}/vendor/assets/javascripts/moment-timezone-names-locale"
|
|
type = :moment_js_timezones
|
|
else
|
|
path = "#{Rails.root}/vendor/assets/javascripts/moment-locale"
|
|
type = :moment_js
|
|
end
|
|
|
|
find_locale(locale_chain, path, type, fallback_to_english: false) do |locale|
|
|
locale = MOMENT_LOCALE_MAPPING[locale] if MOMENT_LOCALE_MAPPING.key?(locale)
|
|
# moment.js uses a different naming scheme for locale files
|
|
locale.tr('_', '-').downcase
|
|
end
|
|
|
|
end
|
|
|
|
def self.find_message_format_locale(locale_chain, fallback_to_english:)
|
|
path = "#{Rails.root}/lib/javascripts/locale"
|
|
find_locale(locale_chain, path, :message_format, fallback_to_english: fallback_to_english)
|
|
end
|
|
|
|
def self.find_locale(locale_chain, path, type, fallback_to_english:)
|
|
locale_chain.map!(&:to_s)
|
|
|
|
locale_chain.each do |locale|
|
|
plugin_locale = DiscoursePluginRegistry.locales[locale]
|
|
return plugin_locale[type] if plugin_locale&.has_key?(type)
|
|
|
|
locale = yield(locale) if block_given?
|
|
filename = File.join(path, "#{locale}.js")
|
|
return [locale, filename] if File.exist?(filename)
|
|
end
|
|
|
|
locale_chain.map! { |locale| yield(locale) } if block_given?
|
|
|
|
# try again, but this time only with the language itself
|
|
locale_chain = locale_chain.map { |l| l.split(/[-_]/)[0] }
|
|
.uniq.reject { |l| locale_chain.include?(l) }
|
|
|
|
if locale_chain.any?
|
|
locale_data = find_locale(locale_chain, path, type, fallback_to_english: false)
|
|
return locale_data if locale_data
|
|
end
|
|
|
|
# English should alyways work
|
|
["en", File.join(path, "en.js")] if fallback_to_english
|
|
end
|
|
|
|
def self.moment_formats
|
|
result = +""
|
|
result << moment_format_function('short_date_no_year')
|
|
result << moment_format_function('short_date')
|
|
result << moment_format_function('long_date')
|
|
result << "moment.fn.relativeAge = function(opts){ return Discourse.Formatter.relativeAge(this.toDate(), opts)};\n"
|
|
end
|
|
|
|
def self.moment_format_function(name)
|
|
format = I18n.t("dates.#{name}")
|
|
"moment.fn.#{name.camelize(:lower)} = function(){ return this.format('#{format}'); };\n"
|
|
end
|
|
|
|
def self.moment_locale(locale, timezone_names: false)
|
|
_, filename = find_moment_locale([locale], timezone_names: timezone_names)
|
|
filename && File.exist?(filename) ? File.read(filename) << "\n" : ""
|
|
end
|
|
|
|
def self.generate_message_format(message_formats, locale, filename)
|
|
formats = message_formats.map { |k, v| k.inspect << " : " << compile_message_format(filename, locale, v) }.join(", ")
|
|
|
|
result = +"MessageFormat = {locale: {}};\n"
|
|
result << "I18n._compiledMFs = {#{formats}};\n"
|
|
result << File.read(filename) << "\n"
|
|
result << File.read("#{Rails.root}/lib/javascripts/messageformat-lookup.js") << "\n"
|
|
end
|
|
|
|
def self.reset_context
|
|
@ctx&.dispose
|
|
@ctx = nil
|
|
end
|
|
|
|
@mutex = Mutex.new
|
|
def self.with_context
|
|
@mutex.synchronize do
|
|
yield @ctx ||= begin
|
|
ctx = MiniRacer::Context.new(timeout: 15000, ensure_gc_after_idle: 2000)
|
|
ctx.load("#{Rails.root}/lib/javascripts/messageformat.js")
|
|
ctx
|
|
end
|
|
end
|
|
end
|
|
|
|
def self.compile_message_format(path, locale, format)
|
|
with_context do |ctx|
|
|
ctx.load(path) if File.exist?(path)
|
|
ctx.eval("mf = new MessageFormat('#{locale}');")
|
|
ctx.eval("mf.precompile(mf.parse(#{format.inspect}))")
|
|
end
|
|
rescue MiniRacer::EvalError => e
|
|
message = +"Invalid Format: " << e.message
|
|
"function(){ return #{message.inspect};}"
|
|
end
|
|
|
|
def self.remove_message_formats!(translations, locale)
|
|
message_formats = {}
|
|
I18n.fallbacks[locale].map(&:to_s).each do |l|
|
|
next unless translations.key?(l)
|
|
|
|
%w{js admin_js}.each do |k|
|
|
message_formats.merge!(strip_out_message_formats!(translations[l][k]))
|
|
end
|
|
end
|
|
message_formats
|
|
end
|
|
|
|
def self.strip_out_message_formats!(hash, prefix = "", message_formats = {})
|
|
if hash.is_a?(Hash)
|
|
hash.each do |key, value|
|
|
if value.is_a?(Hash)
|
|
message_formats.merge!(strip_out_message_formats!(value, join_key(prefix, key), message_formats))
|
|
elsif key.to_s.end_with?("_MF")
|
|
message_formats[join_key(prefix, key)] = value
|
|
hash.delete(key)
|
|
end
|
|
end
|
|
end
|
|
message_formats
|
|
end
|
|
|
|
def self.join_key(prefix, key)
|
|
prefix.blank? ? key : "#{prefix}.#{key}"
|
|
end
|
|
end
|