Class: Opal::PathReader

Inherits:
Object
  • Object
show all
Defined in:
opal/lib/opal/path_reader.rb

Constant Summary collapse

RELATIVE_PATH_REGEXP =
/#{Opal::REGEXP_START}\.?\.#{Regexp.quote File::SEPARATOR}/.freeze
DEFAULT_EXTENSIONS =
['.js', '.js.rb', '.rb', '.opalerb'].freeze

Instance Method Summary collapse

Constructor Details

#initialize(paths = Opal.paths, extensions = DEFAULT_EXTENSIONS) ⇒ PathReader

Returns a new instance of PathReader.


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# File 'opal/lib/opal/path_reader.rb', line 11

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

Instance Method Details

#append_paths(*paths) ⇒ Object


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# File 'opal/lib/opal/path_reader.rb', line 39

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

#expand(path) ⇒ Object


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# File 'opal/lib/opal/path_reader.rb', line 23

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

#extensionsObject


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# File 'opal/lib/opal/path_reader.rb', line 35

def extensions
  file_finder.extensions
end

#pathsObject


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# File 'opal/lib/opal/path_reader.rb', line 31

def paths
  file_finder.paths
end

#read(path) ⇒ Object


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# File 'opal/lib/opal/path_reader.rb', line 17

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