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With OptParse:
require 'rubygems'
require 'optparse'
require File.join(File.dirname(__FILE__), '..', 'lib', 'jack')
usage = "Usage: jackup my_javascript_app.js [rack options]"
options = OptionParser.new("", 24, ' ') do |opts|
opts.banner = usage
opts.separator ""
opts.separator "Rack options:"
opts.on("-o", "--host HOST", "listen on HOST (default: 127.0.0.1)") do |host|
Jack.options[:Host] = host
end
opts.on("-p", "--port PORT", "use PORT (default: 9292)") do |port|
Jack.options[:port] = port
end
opts.separator ""
opts.separator "Javscript options:"
opts.on_tail("-f", "--file", "require a javascript file") do |f|
Jack.require f
end
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
opts.on_tail("--version", "Show version") do
require 'jack'
puts "Jack #{Jack.version}"
exit
end
opts.parse! ARGV
end
unless js_app_file = ARGV[0]
puts "!!Missing js app file!!"
puts ''
puts usage
exit
end
Jack.up js_app_file
With Clip:
require 'rubygems'
require 'clip'
require File.join(File.dirname(__FILE__), '..', 'lib', 'jack')
usage = "Usage: jackup my_javascript_app.js [rack options]"
options = Clip do |p|
p.optional 'o', 'Host', :desc => 'listen on HOST (default: 127.0.0.1)', :default => '127.0.0.1'
p.optional 'p', 'Port', :desc => 'use PORT (default: 9292)', :default => 9292 do |port|
port.to_i # always deal with integers
end
end
if options.valid? && options.remainder.size > 0
Jack.up options.remainder # the remainder is an array of files to load as jack apps
else
$stderr.puts options.to_s
end