module Eco::Source

def self.combined_contents
  [CoffeeScript::Source.contents, contents].join(";\n")
end

def self.contents
  @contents ||= File.read(path)
end

def self.context
  @context ||= ExecJS.compile(combined_contents)
end

def self.path
  @path ||= ENV["ECO_SOURCE_PATH"] || bundled_path
end

def self.path=(path)
  @contents = @version = @context = nil
  @path = path
end

def self.version
  @version ||= contents[/Eco Compiler v(.*?)\s/, 1]
end