Module: CdnjsCommand::Helpers

Included in:
Fetcher
Defined in:
lib/cdnjs_command/helpers.rb

Instance Method Summary collapse

Instance Method Details

#get_package(id) ⇒ Object 



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# File 'lib/cdnjs_command/helpers.rb', line 12

def get_package(id)
  Package[id] or begin
    tip "Package not found."
    tip "For a list of all packages, see: cdnjs list"
    exit
  end
end

#invalid_usage(usage = "cdnjs --help") ⇒ Object 



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# File 'lib/cdnjs_command/helpers.rb', line 6

def invalid_usage(usage="cdnjs --help")
  puts "Invalid usage."
  puts "Try: #{usage.gsub(/^cdnjs/, File.basename($0))}"
  exit
end

#show_help ⇒ Object 



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# File 'lib/cdnjs_command/helpers.rb', line 20

def show_help
  tip "Usage:"
  tip "  cdnjs NAME       - Download specific package"
  tip ""
  tip "Other commands:"
  tip "  cdnjs list       - List available packages"
  tip "  cdnjs info NAME  - Show package info"
  tip "  cdnjs html NAME  - Show HTML snippet to include given package"
  tip "  cdnjs url NAME   - Show the URL for the given package"
  tip "  cdnjs update     - Updates the package cache"
  tip ""
  tip "You may also use the first letters of each command; e.g., `cdnjs i jquery`."
  tip "Here are some common examples:"
  tip ""
  tip "  $ cdnjs jquery"
  tip "  $ echo `cdnjs h underscore` >> index.html"
  tip ""
end

#tip(message) ⇒ Object 



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# File 'lib/cdnjs_command/helpers.rb', line 2

def tip(message)
  $stderr.write "#{message}\n"
end