Class: MagicLoader::Task

Inherits:
Rake::TaskLib
  • Object
show all
Defined in:
lib/magic_loader/tasks.rb

Overview

Generates the MagicLoader rake task

Instance Method Summary collapse

Constructor Details

#initialize(*paths) ⇒ Task

Please see the README for how to use this task



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# File 'lib/magic_loader/tasks.rb', line 29

def initialize(*paths)
  options = paths.last.is_a?(Hash) ? paths.pop : {}
  task_name = options[:name] || 'magicload'

  desc "Automagically calculate code dependencies"
  task task_name do
    load_order = MagicLoader.require_all(*paths)
    strip_paths!(load_order, options[:strip]) if options[:strip]

    magic_block = [
      BEGIN_MAGIC,
      MAGIC_WARNING,
      "# Run \"rake #{task_name}\" to regenerate",
      load_order.map { |t| "require #{t.dump}" },
      END_MAGIC
    ].flatten.join("\n")
  
    if options[:target]
      if File.exists? options[:target]
        annotate_file options[:target], magic_block
      else
        File.open(options[:target], "w") { |f| f << magic_block }
      end
    else
      puts magic_block
    end
  end
  
  if options[:clean]
    namespace task_name do
      desc "Remove the previous MagicLoader block"
      task :clean do
        strip_magic_block options[:target]
      end
    end
    
    Rake::Task[task_name].prerequisites << "#{task_name}:clean"
  end
end