mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
96 lines
2.9 KiB
Ruby
96 lines
2.9 KiB
Ruby
require "active_support"
|
|
require "active_support/file_update_checker"
|
|
require "active_support/core_ext/array/wrap"
|
|
|
|
module I18n
|
|
class Railtie < Rails::Railtie
|
|
config.i18n = ActiveSupport::OrderedOptions.new
|
|
config.i18n.railties_load_path = []
|
|
config.i18n.load_path = []
|
|
config.i18n.fallbacks = ActiveSupport::OrderedOptions.new
|
|
# Enforce I18n to check the available locales when setting a locale.
|
|
config.i18n.enforce_available_locales = true
|
|
|
|
# Set the i18n configuration after initialization since a lot of
|
|
# configuration is still usually done in application initializers.
|
|
config.after_initialize do |app|
|
|
I18n::Railtie.initialize_i18n(app)
|
|
end
|
|
|
|
# Trigger i18n config before any eager loading has happened
|
|
# so it's ready if any classes require it when eager loaded.
|
|
config.before_eager_load do |app|
|
|
I18n::Railtie.initialize_i18n(app)
|
|
end
|
|
|
|
protected
|
|
|
|
@i18n_inited = false
|
|
|
|
# Setup i18n configuration.
|
|
def self.initialize_i18n(app)
|
|
return if @i18n_inited
|
|
|
|
fallbacks = app.config.i18n.delete(:fallbacks)
|
|
|
|
# Avoid issues with setting the default_locale by disabling available locales
|
|
# check while configuring.
|
|
enforce_available_locales = app.config.i18n.delete(:enforce_available_locales)
|
|
enforce_available_locales = I18n.enforce_available_locales unless I18n.enforce_available_locales.nil?
|
|
I18n.enforce_available_locales = false
|
|
|
|
app.config.i18n.each do |setting, value|
|
|
case setting
|
|
when :railties_load_path
|
|
app.config.i18n.load_path.unshift(*value)
|
|
when :load_path
|
|
I18n.load_path += value
|
|
else
|
|
I18n.send("#{setting}=", value)
|
|
end
|
|
end
|
|
|
|
init_fallbacks(fallbacks) if fallbacks && validate_fallbacks(fallbacks)
|
|
|
|
# Restore available locales check so it will take place from now on.
|
|
I18n.enforce_available_locales = enforce_available_locales
|
|
|
|
reloader = ActiveSupport::FileUpdateChecker.new(I18n.load_path.dup){ I18n.reload! }
|
|
app.reloaders << reloader
|
|
ActionDispatch::Reloader.to_prepare { reloader.execute_if_updated }
|
|
reloader.execute
|
|
|
|
@i18n_inited = true
|
|
end
|
|
|
|
def self.include_fallbacks_module
|
|
I18n.backend.class.send(:include, I18n::Backend::Fallbacks)
|
|
end
|
|
|
|
def self.init_fallbacks(fallbacks)
|
|
include_fallbacks_module
|
|
|
|
args = case fallbacks
|
|
when ActiveSupport::OrderedOptions
|
|
[*(fallbacks[:defaults] || []) << fallbacks[:map]].compact
|
|
when Hash, Array
|
|
Array.wrap(fallbacks)
|
|
else # TrueClass
|
|
[]
|
|
end
|
|
|
|
I18n.fallbacks = I18n::Locale::Fallbacks.new(*args)
|
|
end
|
|
|
|
def self.validate_fallbacks(fallbacks)
|
|
case fallbacks
|
|
when ActiveSupport::OrderedOptions
|
|
!fallbacks.empty?
|
|
when TrueClass, Array, Hash
|
|
true
|
|
else
|
|
raise "Unexpected fallback type #{fallbacks.inspect}"
|
|
end
|
|
end
|
|
end
|
|
end
|