Auto restart nodejs process when program exit

auto-restart-nodejs-process

var child_process = require('child_process');

start();
function start(nodefile) {
    if (typeof start !== 'string') {
        console.log('Has none file. like this: start("app.js")');
    }

    console.log('Master process is running.');
    
    var proc = child_process.spawn('node', [nodefile]);

    proc.stdout.on('data', function (data) {
        console.log(data.toString());
    });

    proc.stderr.on('data', function (data) {
        console.log(data.toString());
    });

    // 监测退出事件，删除原进程并开启新进程
    proc.on('exit', function (code) {
        console.log('child process exited with code ' + code);
        delete(proc);
        setTimeout(start, 5000);
    });
}

What are doing within the delete function?

What are doing within the delete function?

What are doing within the delete function?

What are doing within the delete function?

What are doing within the delete function?