robusta/generator.coffee

A tool for generating Backbone/CoffeeScript Node.js-based apps

pi = require './project_initializer.coffee'
runner = require './runner.coffee'

commands =
	"-h":
		description: "help"
		exec: -> print_usage()
		args: []
	init:
		description: "initialize a project with the default structure"
		exec: -> pi.initialize_project()
		args: []
	run:
		description: "watches your project for changes and runs the server"
		exec: (args) -> runner.run(args)
		args: [ {description: '<port>', default: 3000}]


print_usage = ->
	console.log ""
	console.log "Here is how you use Robusta:"
	console.log ""
	console.log "Usage:"
	console.log "   robusta [command] [args]"
	console.log ""
	console.log "Commands:"
	for key, value of commands
		value_names = ("#{arg.description}:#{arg.default}" for arg in value.args)
		first_part = "   robusta #{key} #{value_names.join(' ')}"
		spacing = (' ' for x in [1..(30 - first_part.length)]).join('')
		console.log "#{first_part}#{spacing}#{value.description}"
	console.log ""

execute_command = (command, args) ->
	command_data = commands[command]
	return print_usage() if !command_data

	if command_data.args.length
		for arg_num in [0..command_data.args.length-1]
			continue if args[arg_num]
			args[arg_num] = command_data.args[arg_num].default

	command_data.exec args

args = process.argv.splice(2)
return print_usage() if args.length <= 0
execute_command args[0], args.splice(1)