lib/active_support/logger.rb
# frozen_string_literal: true require "active_support/logger_silence" require "active_support/logger_thread_safe_level" require "logger" module ActiveSupport class Logger < ::Logger include LoggerSilence # Returns true if the logger destination matches one of the sources # # logger = Logger.new(STDOUT) # ActiveSupport::Logger.logger_outputs_to?(logger, STDOUT) # # => true def self.logger_outputs_to?(logger, *sources) logdev = logger.instance_variable_get(:@logdev) logger_source = logdev.dev if logdev.respond_to?(:dev) sources.any? { |source| source == logger_source } end # Broadcasts logs to multiple loggers. def self.broadcast(logger) # :nodoc: Module.new do define_method(:add) do |*args, &block| logger.add(*args, &block) super(*args, &block) end define_method(:<<) do |x| logger << x super(x) end define_method(:close) do logger.close super() end define_method(:progname=) do |name| logger.progname = name super(name) end define_method(:formatter=) do |formatter| logger.formatter = formatter super(formatter) end define_method(:level=) do |level| logger.level = level super(level) end define_method(:local_level=) do |level| logger.local_level = level if logger.respond_to?(:local_level=) super(level) if respond_to?(:local_level=) end define_method(:silence) do |level = Logger::ERROR, &block| if logger.respond_to?(:silence) logger.silence(level) do if defined?(super) super(level, &block) else block.call(self) end end else if defined?(super) super(level, &block) else block.call(self) end end end end end def initialize(*args, **kwargs) super @formatter = SimpleFormatter.new end # Simple formatter which only displays the message. class SimpleFormatter < ::Logger::Formatter # This method is invoked when a log event occurs def call(severity, timestamp, progname, msg) "#{String === msg ? msg : msg.inspect}\n" end end end end