class Opal::Context::Loader

def find_lib(id)
  @paths.each do |path|
    candidate = File.join path, "#{id}.rb"
    return candidate if File.exists? candidate
    candidate = File.join path, id
    return candidate if File.exists? candidate
  end
  return File.expand_path id if File.exists? id
  return File.expand_path(id + '.rb') if File.exists?(id + '.rb')
  nil
end

def initialize(context, paths)
  @context = context
  @paths = paths
end

def resolve_lib(id)
  resolved = find_lib id
  raise "Cannot find lib `#{id}'" unless resolved
  resolved
end

def ruby_file_contents(filename)
  Opal::Parser.new.parse File.read(filename)
end

def wrap(content, filename)
  code = "(function($rb, self, __FILE__) { #{content} });"
  @context.eval code, filename
  # code
end