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Contents
module Listen
module Adapter
# Adapter implementation for Windows `wdm`.
#
class Windows < Base
# The message to show when wdm gem isn't available
#
BUNDLER_DECLARE_GEM = <<-EOS.gsub(/^ {6}/, '')
Please add the following to your Gemfile to avoid polling for changes:
require 'rbconfig'
gem 'wdm', '>= 0.1.0' if RbConfig::CONFIG['target_os'] =~ /mswin|mingw|cygwin/i
EOS
def self.usable?
if RbConfig::CONFIG['target_os'] =~ /mswin|mingw|cygwin/i
require 'wdm'
true
end
rescue LoadError
Kernel.warn BUNDLER_DECLARE_GEM
false
end
def start
worker = _init_worker
Thread.new { worker.run! }
end
private
# Initializes a WDM monitor and adds a watcher for
# each directory passed to the adapter.
#
# @return [WDM::Monitor] initialized worker
#
def _init_worker
WDM::Monitor.new.tap do |worker|
_directories_path.each { |path| worker.watch_recursively(path, &_worker_callback) }
end
end
def _worker_callback
lambda do |change|
_notify_change(_path(change.path), type: 'File', change: _change(change.type))
end
end
def _path(path)
Pathname.new(path)
end
def _change(type)
{ modified: [:modified],
added: [:added, :renamed_new_file],
removed: [:removed, :renamed_old_file] }.each do |change, types|
return change if types.include?(type)
end
nil
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems