Wait for a Socket to Open

var waitForSocket = require('waitforsocket');

waitForSocket('localhost', 4567, {timeout: 2000}).then(function () {
  console.log("socket open");
  // do stuff with socket, connect via HTTP, Redis, etc.
}, function (error) {
  console.log("socket did not open: ", error);
});

API

waitForSocket(host, port, [options]) => promise

• host hostname, i.e. localhost or example.com
• port the port, i.e. 80, or 6379
• options an object containing the following properties
  • timeout the timeout in milliseconds, default: 1000 (1 sec)

returns a promise.