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Importance_0
v5.0.0.1 - Show latest stable - 0 notes - Class: EventedFileUpdateChecker
new(files, dirs = {}, &block) public

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# File activesupport/lib/active_support/evented_file_update_checker.rb, line 34
    def initialize(files, dirs = {}, &block)
      @ph    = PathHelper.new
      @files = files.map { |f| @ph.xpath(f) }.to_set

      @dirs = {}
      dirs.each do |dir, exts|
        @dirs[@ph.xpath(dir)] = Array(exts).map { |ext| @ph.normalize_extension(ext) }
      end

      @block      = block
      @updated    = Concurrent::AtomicBoolean.new(false)
      @lcsp       = @ph.longest_common_subpath(@dirs.keys)
      @pid        = Process.pid
      @boot_mutex = Mutex.new

      if (@dtw = directories_to_watch).any?
        # Loading listen triggers warnings. These are originated by a legit
        # usage of attr_* macros for private attributes, but adds a lot of noise
        # to our test suite. Thus, we lazy load it and disable warnings locally.
        silence_warnings do
          begin
            require 'listen'
          rescue LoadError => e
            raise LoadError, "Could not load the 'listen' gem. Add `gem 'listen'` to the development group of your Gemfile", e.backtrace
          end
        end
      end
      boot!
    end
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