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io-stream (gallery-io-stream)

Last Updated: 02/19/10

+ 0 -

Jay Shirley

YUI Contributor

Created: 11/6/09
Project: YUI 3
License: YUI BSD
YUI Version: 3.0.0
Free for use.

This module aims to fully support streaming XmlHttpRequest connections, similar to what Digg Labs is doing (http://blog.digg.com/?p=621) except using YUI3 and the existing IO framework.

This connects to a multipart XmlHttpRequest streaming service, and emits signals when a packet is available for reading.

You must have a streaming HTTP service to make full use of this module. I have been using Tatsumaki (my fork is http://github.com/jshirley/tatsumaki)

Code Sample

YUI().use('gallery-io-stream', function(Y) {
    var stream_uri = '/chat/twitter/mxhrpoll?session=' + Math.random();
    var stream = new Y.IOStream({
        uri: stream_uri,
    });
    var output = Y.one('#stream');
    Y.on('stream:packet', 
        function(body, headers) {
            var data = Y.JSON.parse(body);
            output.prepend(
                "<dt><a href=\"" + data.ident + "\"><img src=\"" + data.avatar + "\" height=\"32\"></a></dt><dd>" + data.html + "</dd>"); 
        }
    );
    stream.start();
});

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