Sha256: 2847757e288f393b8a6815b988d22c6fac791c54fd2612ab1ff42b8fbe80986a

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Size: 1.29 KB

Versions: 23

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Stored size: 1.29 KB

Contents

require 'listen/adapter/base'
require 'listen/adapter/bsd'
require 'listen/adapter/darwin'
require 'listen/adapter/linux'
require 'listen/adapter/polling'
require 'listen/adapter/windows'

module Listen
  module Adapter
    OPTIMIZED_ADAPTERS = [Darwin, Linux, BSD, Windows]
    POLLING_FALLBACK_MESSAGE = 'Listen will be polling for changes.'\
      'Learn more at https://github.com/guard/listen#listen-adapters.'

    def self.select(options = {})
      _log :debug, 'Adapter: considering polling ...'
      return Polling if options[:force_polling]
      _log :debug, 'Adapter: considering optimized backend...'
      return _usable_adapter_class if _usable_adapter_class
      _log :debug, 'Adapter: falling back to polling...'
      _warn_polling_fallback(options)
      Polling
    rescue
      _log :warn, format('Adapter: failed: %s:%s', $ERROR_POSITION.inspect,
                         $ERROR_POSITION * "\n")
      raise
    end

    private

    def self._usable_adapter_class
      OPTIMIZED_ADAPTERS.detect(&:usable?)
    end

    def self._warn_polling_fallback(options)
      msg = options.fetch(:polling_fallback_message, POLLING_FALLBACK_MESSAGE)
      Kernel.warn "[Listen warning]:\n  #{msg}" if msg
    end

    def self._log(type, message)
      Listen::Logger.send(type, message)
    end
  end
end

Version data entries

23 entries across 23 versions & 8 rubygems

Version Path
files.com-1.0.55 docs/vendor/bundle/ruby/2.5.0/gems/listen-3.0.8/lib/listen/adapter.rb
honeybadger-4.5.3 vendor/bundle/ruby/2.6.0/gems/listen-3.0.8/lib/listen/adapter.rb
vagrant-unbundled-1.8.5.2 vendor/bundle/ruby/2.3.0/gems/listen-3.0.8/lib/listen/adapter.rb
vagrant-unbundled-1.8.5.1 vendor/bundle/ruby/2.3.0/gems/listen-3.0.8/lib/listen/adapter.rb
vagrant-unbundled-1.8.4.2 vendor/bundle/ruby/2.3.0/gems/listen-3.0.8/lib/listen/adapter.rb
vagrant-unbundled-1.8.4.1 vendor/bundle/ruby/2.3.0/gems/listen-3.0.8/lib/listen/adapter.rb
listen-3.0.8 lib/listen/adapter.rb
sass-listen-3.0.7 lib/listen/adapter.rb
listen-3.0.7 lib/listen/adapter.rb
listen-3.0.6 lib/listen/adapter.rb
vagrant-unbundled-1.8.1.1 vendor/bundle/ruby/2.3.0/gems/listen-3.0.5/lib/listen/adapter.rb
listen-3.0.5 lib/listen/adapter.rb
listen-3.0.4 lib/listen/adapter.rb
mastermind_adeybee-0.1.4 vendor/bundle/ruby/2.2.0/gems/listen-3.0.3/lib/listen/adapter.rb
mastermind_adeybee-0.1.3 vendor/bundle/ruby/2.2.0/gems/listen-3.0.3/lib/listen/adapter.rb
mastermind_adeybee-0.1.2 vendor/bundle/ruby/2.2.0/gems/listen-3.0.3/lib/listen/adapter.rb
mastermind_adeybee-0.1.1 vendor/bundle/ruby/2.2.0/gems/listen-3.0.3/lib/listen/adapter.rb
vagrant-cloudstack-1.2.0 vendor/bundle/gems/listen-3.0.3/lib/listen/adapter.rb
geminfo-0.1.0 path/gems/listen-3.0.3/lib/listen/adapter.rb
listen-3.0.3 lib/listen/adapter.rb