Minimal development proxy middleware for NodeJS. Usable to complete BrowserSync with a customized proxy.
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// Basic development proxy middleware for NodeJS. | |
// | |
// You may use it with BrowserSync to proxy some paths | |
// to another service. Example of BrowserSync conig: | |
// | |
// browserSync({ | |
// server: { | |
// baseDir: 'dist', | |
// middleware: function(req, res, next) { | |
// proxy('/api/', 127.0.0.1', 9292, req, res, next); | |
// } | |
// } | |
// }); | |
var http = require('http'); | |
var proxy = function(path, host, port, req, res, next) { | |
var regex = new RegExp(path); | |
if (!req.url.match(regex)) { | |
console.log(req.url + ' doesn\'t match ' + path); | |
next(); | |
return; | |
} | |
var proxyRequest = function(req, res, next) { | |
console.log('proxy request ' + req.url + ' to ' + host + ':' + port + req.url); | |
var options = { | |
host: host, | |
port: port, | |
path: req.url, | |
headers: req.headers, | |
method: req.method | |
}; | |
callback = function(proxyRes) { | |
proxyRes.on('data', function(chunk) { | |
res.write(chunk); | |
}); | |
proxyRes.on('end', function () { | |
res.end(); | |
}); | |
}; | |
var proxyReq = http.request(options, callback); | |
req.on('data', function(chunk) { | |
proxyReq.write(chunk); | |
}); | |
req.on('end', function() { | |
proxyReq.end(); | |
}); | |
proxyReq.end(); | |
}; | |
proxyRequest(req, res, next); | |
}; | |
module.exports = proxy; |
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