class Opal::PathReader

def append_paths(*paths)
  file_finder.append_paths(*paths)
end

def expand(path)
  if Pathname.new(path).absolute? || path =~ RELATIVE_PATH_REGEXP
    path
  else
    find_path(path)
  end
end

def extensions
  file_finder.extensions
end

def find_path(path)
  pathname = Pathname(path)
  return path if pathname.absolute? && pathname.exist?
  file_finder.find(path)
end

def initialize(paths = Opal.paths, extensions = DEFAULT_EXTENSIONS)
  @file_finder = Hike::Trail.new
  @file_finder.append_paths(*paths)
  @file_finder.append_extensions(*extensions)
end

def paths
  file_finder.paths
end

def read(path)
  full_path = expand(path)
  return nil if full_path.nil?
  File.open(full_path, 'rb:UTF-8', &:read) if File.exist?(full_path)
end