Class: Csspin::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/csspin/cli.rb

Constant Summary collapse

USAGE =
"Usage: csspin pin <package|package@version>"

Class Method Summary collapse

Class Method Details

.run(argv:, root: Dir.pwd, io: $stdout, error_io: $stderr, pin_command: nil) ⇒ Object



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# File 'lib/csspin/cli.rb', line 7

def self.run(argv:, root: Dir.pwd, io: $stdout, error_io: $stderr, pin_command: nil)
  command = argv[0]

  if command == "--version" || command == "-v"
    io.puts "csspin-rails #{Csspin::VERSION}"
    return 0
  end

  if command == "--help" || command == "-h" || command.nil?
    io.puts USAGE
    io.puts
    io.puts "Commands:"
    io.puts "  pin <package|package@version>  Download a CSS package into vendor/assets/stylesheets"
    io.puts
    io.puts "Options:"
    io.puts "  -v, --version  Show version"
    io.puts "  -h, --help     Show this help"
    return 0
  end

  unless command == "pin"
    error_io.puts "Unknown command: #{command}"
    error_io.puts USAGE
    return 1
  end

  input = argv[1]
  if input.to_s.strip.empty?
    error_io.puts USAGE
    return 1
  end

  downloader = Csspin::HTTP::Downloader.new

  cmd = pin_command || Csspin::Commands::Pin.new(
    resolver: Csspin::Resolver::Jsdelivr.new,
    downloader: downloader,
    fallback_candidates: Csspin::CssFallbackCandidates.new(
      metadata_client: Csspin::JsdelivrMetadataClient.new(downloader: downloader)
    ),
    writer: Csspin::VendorWriter.new(root: root),
    printer: Csspin::InstructionsPrinter.new(io: io),
    error_io: error_io
  )

  cmd.run(input: input, root: root, io: io)
rescue ArgumentError => e
  error_io.puts e.message
  error_io.puts USAGE
  1
end