knoq

Knoq

A interval based Node module for continuous retrieval of web resources.

Example

var Knoq = require('knoq');
var req = Knoq('http://www.google.com/');

req.on('response', function(res) {
  console.log(res.statusCode);
  req.end();
});

req.on('end', function() {
  console.log('ended!');
});

Methods

var Knoq = require('knoq');

var req = Knoq(uri, opts, cb)

Create an ongoing http request to uri.

The optional opts object is used to pass configuration to Knoq.

• opts.delay - Used to configure the interval timer. Defaults to 6000.

Alternatively you can pass a number as the opts argument:

var req = Knoq('http://google.com', 12000);

Which is shorthand for:

var req = Knoq('http://google.com', { delay: 12000 });

The optional callback cb(err, res) is called when either the error or response event is fired.

req.start()

Internally this is called with every new instance of Knoq. Can be used to restart an ended Knoq instance.

req.end()

Calling req.end() clears all timeouts, and stops Knoq from making any further requests.

Events

Knoq returns an instance of EventEmitter, and exposes the following events:

req.on('request', function (req) {})

The request event bubbles up from http.request().

req.on('response', function (res) {})

The response event bubbles up from http.request().

req.on('error', function (err) {})

The error event bubbles up from http.request(). By default req.end() will be called in the case of an error.

req.on('end', function () {})

The end event is fired when req.end() is called.

Install

npm install knoq

License

MIT