# File lib/active_support/i18n_railtie.rb, line 12 def self.reloader @reloader ||= ActiveSupport::FileUpdateChecker.new(reloader_paths){ I18n.reload! } end
# File lib/active_support/i18n_railtie.rb, line 16 def self.reloader_paths @reloader_paths ||= [] end
# File lib/active_support/i18n_railtie.rb, line 72 def self.include_fallbacks_module I18n.backend.class.send(:include, I18n::Backend::Fallbacks) end
# File lib/active_support/i18n_railtie.rb, line 76 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
Setup i18n configuration
# File lib/active_support/i18n_railtie.rb, line 48 def self.initialize_i18n(app) return if @i18n_inited fallbacks = app.config.i18n.delete(:fallbacks) 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) reloader_paths.concat I18n.load_path reloader.execute @i18n_inited = true end
# File lib/active_support/i18n_railtie.rb, line 91 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