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router.js
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router.js
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var app = require('./app'),
router = module.exports = require('koa-router')(),
resolve = require('path').resolve,
fs = require('fs'),
zlib = require('zlib');
var root = resolve(__dirname, '..');
var gzip = zlib.createGzip();
router.get('/serverpush', function (ctx, next){
var zepto = fs.readFileSync(resolve(root, 'public/js/zepto.js'), { encoding: 'UTF-8' })
var underscore = fs.readFileSync(resolve(root, 'public/js/underscore.js'), { encoding: 'UTF-8' })
var backbone = fs.readFileSync(resolve(root, 'public/js/backbone.js'), { encoding: 'UTF-8' })
var html = fs.readFileSync(resolve(root, 'public/item2_1.html'), { encoding: 'UTF-8' })
var options = {
request:{
accept: '*/*',
},response: {
'content-type': 'application/javascript',
'content-encoding':'gzip',
'vary':'Accept-Encoding'
}
}
ctx.res.push('/zepto.js', options, function(err, stream){
if (err) return;
zlib.gzip(zepto,function(err, buf){
stream.end(buf)
})
});
ctx.res.push('/underscore.js', options, function(err, stream){
if (err) return;
zlib.gzip(underscore,function(err, buf){
stream.end(buf)
})
});
ctx.res.push('/backbone.js', options, function(err, stream){
if (err) return;
zlib.gzip(underscore,function(err, buf){
stream.end(buf)
})
});
ctx.body = html
})