nohup run node.js

nohup.js

var fs = require('fs'),
    exec = require('child_process').exec,
    isWin = process.platform.indexOf('win') === 0;

function nohup(cmd, options, callback){
    if(typeof options === 'function'){
        callback = options;
        options = null;
    }
    if(isWin){
        var cmdEscape = cmd.replace(/"/g, '""'),
            file = '.nohup.cmd.vbs',
            script = '';
        script += 'Dim shell\n';
        script += 'Set shell=Wscript.CreateObject("WScript.Shell")\n';
        script += 'shell.Run "cmd.exe /c start /b ' + cmdEscape + '", 0, TRUE';
        fs.writeFileSync(file, script);
        exec('cscript.exe /nologo "' + file + '"', options, function(){
            fs.unlinkSync(file);
            if(callback) callback();
        });
    } else {
        exec('nohup ' + cmd + ' > /dev/null 2>&1 &', options, callback);
    }
}

nohup('node index.js', function(){
    console.log('done');
});