Sha256: a5a57cc3b25782f261b858d993aefb514b5b51b6ba99048b183b9e2009fd306a
Contents?: true
Size: 2 KB
Versions: 26
Compression:
Stored size: 2 KB
Contents
/*!
* Ext JS Connect
* Copyright(c) 2010 Sencha Inc.
* MIT Licensed
*/
/**
* Module dependencies.
*/
var child_process = require('child_process'),
sys = require('sys'),
compress = require('compress');
/**
* Provides gzip compression via the node-compress library.
*
* @return {Function}
* @api public
*/
module.exports = function gzip(){
return function gzip(req, res, next) {
var writeHead = res.writeHead,
write = res.write,
end = res.end;
res.writeHead = function (code, headers) {
var type = headers["Content-Type"],
accept = req.headers["accept-encoding"];
if (!(code === 200 && accept && accept.indexOf('gzip') >= 0
&& type && (/(text|javascript|json)/).test(type)
&& headers["Content-Encoding"] === undefined)) {
res.writeHead = writeHead;
res.writeHead(code, headers);
return;
}
headers["Content-Encoding"] = "gzip";
delete headers["Content-Length"];
var gzip = new compress.GzipStream();
res.write = function (chunk, encoding) {
gzip.setInputEncoding(encoding);
gzip.write(chunk);
};
res.end = function (chunk, encoding) {
if (chunk) {
res.write(chunk, encoding);
}
gzip.close();
};
gzip.addListener('data', function (chunk) {
write.call(res, chunk);
});
gzip.addListener('error', function(err) {
res.write = write;
res.end = end;
next(err);
});
gzip.addListener('end', function (code) {
res.write = write;
res.end = end;
res.end();
});
res.writeHead = writeHead;
res.writeHead(code, headers);
};
next();
};
};
Version data entries
26 entries across 26 versions & 1 rubygems