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# frozen_string_literal: true
module Listen
@logger = nil
# Listen.logger will always be present.
# If you don't want logging, set Listen.logger = ::Logger.new('/dev/null', level: ::Logger::UNKNOWN)
@adapter_warn_behavior = :warn
class << self
attr_writer :logger
attr_accessor :adapter_warn_behavior
def logger
@logger ||= default_logger
end
def adapter_warn(message)
case ENV['LISTEN_GEM_ADAPTER_WARN_BEHAVIOR']&.to_sym || adapter_warn_behavior_callback(message)
when :log
logger.warn(message)
when :silent, nil, false
# do nothing
else # :warn
warn(message)
end
end
private
def default_logger
level =
case ENV['LISTEN_GEM_DEBUGGING'].to_s
when /debug|2/i
::Logger::DEBUG
when /info|true|yes|1/i
::Logger::INFO
when /warn/i
::Logger::WARN
when /fatal/i
::Logger::FATAL
else
::Logger::ERROR
end
::Logger.new(STDERR, level: level)
end
def adapter_warn_behavior_callback(message)
if adapter_warn_behavior.respond_to?(:call)
case behavior = adapter_warn_behavior.call(message)
when Symbol
behavior
when false, nil
:silent
else
:warn
end
else
adapter_warn_behavior
end
end
end
end
|
