execjs

(function(program, runner) { runner(program); })(function(console,DTRACE_NET_SERVER_CONNECTION,DTRACE_NET_STREAM_END,DTRACE_HTTP_SERVER_REQUEST,DTRACE_HTTP_SERVER_RESPONSE,DTRACE_HTTP_CLIENT_REQUEST,DTRACE_HTTP_CLIENT_RESPONSE,global,process,GLOBAL,root,Buffer,clearImmediate,clearInterval,clearTimeout,setImmediate,setInterval,setTimeout,module,require,assert,async_hooks,buffer,child_process,cluster,crypto,dgram,dns,domain,events,fs,http,https,net,os,path,perf_hooks,punycode,querystring,readline,repl,stream,string_decoder,tls,tty,url,util,v8,vm,zlib,http2) {
  return <%= source %>;
}, function(program, undefined) {
  var result;
  try {
    result = program();
    try {
      if (result === undefined) {
        process.stdout.write('["ok"]');
      } else {
        process.stdout.write(JSON.stringify(['ok', result]));
      }
    } catch (err) {
      process.stdout.write('["err"]');
    }
  } catch (err) {
    process.stdout.write(JSON.stringify(['err', '' + err, err.stack]));
  }
});