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Contents
require 'sass/logger/log_level'
# A logger that delays messages until they're explicitly flushed to an inner
# logger.
#
# This can be installed around the current logger by calling \{#install!}, and
# the original logger can be replaced by calling \{#uninstall!}. The log
# messages can be flushed by calling \{#flush}.
class Sass::Logger::Delayed < Sass::Logger::Base
# Installs a new delayed logger as the current Sass logger, wrapping the
# original logger.
#
# This can be undone by calling \{#uninstall!}.
#
# @return [Sass::Logger::Delayed] The newly-created logger.
def self.install!
logger = Sass::Logger::Delayed.new(Sass.logger)
Sass.logger = logger
logger
end
# Creates a delayed logger wrapping `inner`.
#
# @param inner [Sass::Logger::Base] The wrapped logger.
def initialize(inner)
self.log_level = inner.log_level
@inner = inner
@messages = []
end
# Flushes all queued logs to the wrapped logger.
def flush
@messages.each {|(l, m)| @inner.log(l, m)}
end
# Uninstalls this logger from \{Sass.logger\}. This should only be called if
# the logger was installed using \{#install!}
def uninstall!
if Sass.logger != self
throw Exception.new("Can't uninstall a logger that's not currently installed.")
end
@inner.log_level = log_level
Sass.logger = @inner
end
def _log(level, message)
@messages << [level, message]
end
end
Version data entries
49 entries across 49 versions & 6 rubygems