Commit f3f790f4 authored by Rene Saarsoo's avatar Rene Saarsoo
Browse files

Two version of --help: short and full. 

By default showing the short help, so we don't scare users.

--help=full will show all possible command line options.
parent 34cecba5

lib/jsduck/options.rb

+27 −2
Original line number Diff line number Diff line
@@ -292,8 +292,33 @@ module JsDuck 
          @ext_namespaces = ns

        end



        opts.on('-h', '--help', "Prints this help message", " ") do

        opts.on('-h', '--help[=full]',

          "Prints the short help message or the full help.", " ") do |v|

          if v == 'full'

            puts opts

          else

            puts opts.banner



            show_help = false

            main_opts = [

              /--output/,

              /--no-warnings/,

              /--verbose/,

              /--help/,

              /--version/,

            ]

            opts.summarize([], opts.summary_width) do |helpline|

              if main_opts.any? {|re| helpline =~ re }

                puts helpline

                show_help = true

              elsif helpline =~ /^\s*$/ && show_help == true

                puts helpline

                show_help = false

              elsif show_help == true

                puts helpline

              end

            end

          end

          exit

        end