lib/listen/record/entry.rb
# frozen_string_literal: true
module Listen
# @private api
class Record
# Represents a directory entry (dir or file)
class Entry
# file: "/home/me/watched_dir", "app/models", "foo.rb"
# dir, "/home/me/watched_dir", "."
def initialize(root, relative, name = nil)
@root = root
@relative = relative
@name = name
end
attr_reader :root, :relative, :name
def children
child_relative = _join
(_entries(sys_path) - %w[. ..]).map do |name|
Entry.new(@root, child_relative, name)
end
end
def meta
lstat = ::File.lstat(sys_path)
{ mtime: lstat.mtime.to_f, mode: lstat.mode, size: lstat.size }
end
# record hash is e.g.
# if @record["/home/me/watched_dir"]["project/app/models"]["foo.rb"]
# if @record["/home/me/watched_dir"]["project/app"]["models"]
# record_dir_key is "project/app/models"
def record_dir_key
::File.join(*[@relative, @name].compact)
end
def sys_path
# Use full path in case someone uses chdir
::File.join(*[@root, @relative, @name].compact)
end
def real_path
@real_path ||= ::File.realpath(sys_path)
end
private
def _join
args = [@relative, @name].compact
args.empty? ? nil : ::File.join(*args)
end
def _entries(dir)
return Dir.entries(dir) unless RUBY_ENGINE == 'jruby'
# JRuby inconsistency workaround, see:
# https://github.com/jruby/jruby/issues/3840
exists = ::File.exist?(dir)
directory = ::File.directory?(dir)
return Dir.entries(dir) unless exists && !directory
raise Errno::ENOTDIR, dir
end
end
end
end