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@mirzu
Created June 21, 2013 00:54
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images stream function
var request = require('superagent');
var Stream = require('stream');
/**
* Get Images function
*
*/
module.exports = function images(url, fn) {
var data = '';
// Set up a stream to pipe data to.
// @see https://github.com/substack/stream-handbook#writable
var stream = new Stream();
stream.writable = true;
/**
* The stream's write behavior.
*/
stream.write = function(buf) {
if (buf && typeof buf.toString !== 'undefined') {
data += buf.toString();
}
};
/**
* The stream's end behavior.
*/
stream.end = function(buf) {
stream.write(buf);
stream.writable = false;
fn(null, data);
};
/**
* The stream's destroy behavior.
*/
stream.destroy = function() {
stream.writable = false;
};
// Request the URL. The accept header was lifted from a Google
// Chrome request. The user agent is custom.
var req = request
.get(url)
.set('Accept', 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8')
.set('User-Agent', 'node.js training ❤ Four Kitchens');
// Pipe the result to our stream.
req.pipe(stream);
};
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