lib/listen/change.rb
# frozen_string_literal: true
require 'listen/file'
require 'listen/directory'
module Listen
# TODO: rename to Snapshot
class Change
# TODO: test this class for coverage
class Config
def initialize(queue, silencer)
@queue = queue
@silencer = silencer
end
def silenced?(path, type)
@silencer.silenced?(Pathname(path), type)
end
def queue(*args)
@queue << args
end
end
attr_reader :record
def initialize(config, record)
@config = config
@record = record
end
# Invalidate some part of the snapshot/record (dir, file, subtree, etc.)
# rubocop:disable Metrics/MethodLength
# rubocop:disable Metrics/CyclomaticComplexity
# rubocop:disable Metrics/PerceivedComplexity
def invalidate(type, rel_path, options)
watched_dir = Pathname.new(record.root)
change = options[:change]
cookie = options[:cookie]
if !cookie && @config.silenced?(rel_path, type)
Listen.logger.debug { "(silenced): #{rel_path.inspect}" }
return
end
path = watched_dir + rel_path
Listen.logger.debug do
log_details = options[:silence] && 'recording' || change || 'unknown'
"#{log_details}: #{type}:#{path} (#{options.inspect})"
end
if change
options = cookie ? { cookie: cookie } : {}
@config.queue(type, change, watched_dir, rel_path, options)
elsif type == :dir
# NOTE: POSSIBLE RECURSION
# TODO: fix - use a queue instead
Directory.scan(self, rel_path, options)
elsif (change = File.change(record, rel_path)) && !options[:silence]
@config.queue(:file, change, watched_dir, rel_path)
end
end
# rubocop:enable Metrics/MethodLength
# rubocop:enable Metrics/CyclomaticComplexity
# rubocop:enable Metrics/PerceivedComplexity
end
end