main.js

#!/usr/bin/env node

var program = require('commander');
var server = require('./server/server');
var project = require('./server/project');
var exec = require('child_process').exec
var fs = require('fs')

var packageJSON = JSON.parse(fs.readFileSync(__dirname + '/package.json', 'utf-8'))

var checkForDependencies = function(callback) {
    exec('which npm', function(err, stdout, stderr) {
        if (err) {
            console.error('Could not find `npm` command. Is npm installed?')
            process.exit(-1)
        } else {
            callback()
        }
    })
}

program
    .version(packageJSON.version)
    .option('-p, --port <number>', 'use a custom http port')
 
program
    .command('init [directory]')
    .description('Initialize a new project and listen for connections.')
    .action(function(dir){checkForDependencies(function(){
        project.chdir(dir)
        project.init()
        project.start()
        server.listen(program.port || process.env.PORT || 8123)
    })})
  
program
    .command('listen [directory]')
    .description('Listen for connections.')
    .action(function(dir){checkForDependencies(function(){
        project.chdir(dir)
        project.start()
        server.listen(program.port || process.env.PORT || 8123)
    })})    

if (process.argv.length > 2) {
    if (process.argv[2].charAt(0) == '-') {
    	process.argv.splice(2, 0, 'listen')
    }
    program.parse(process.argv);
} else {
    process.argv.push('listen');
    program.parse(process.argv);
}