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+# Connect
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+[![Gratipay][gratipay-image]][gratipay-url]
+
+  Connect is an extensible HTTP server framework for [node](http://nodejs.org) using "plugins" known as _middleware_.
+
+```js
+var connect = require('connect');
+var http = require('http');
+
+var app = connect();
+
+// gzip/deflate outgoing responses
+var compression = require('compression');
+app.use(compression());
+
+// store session state in browser cookie
+var cookieSession = require('cookie-session');
+app.use(cookieSession({
+    keys: ['secret1', 'secret2']
+}));
+
+// parse urlencoded request bodies into req.body
+var bodyParser = require('body-parser');
+app.use(bodyParser.urlencoded({extended: false}));
+
+// respond to all requests
+app.use(function(req, res){
+  res.end('Hello from Connect!\n');
+});
+
+//create node.js http server and listen on port
+http.createServer(app).listen(3000);
+```
+
+## Getting Started
+
+Connect is a simple framework to glue together various "middleware" to handle requests.
+
+### Install Connect
+
+```sh
+$ npm install connect
+```
+
+### Create an app
+
+The main component is a Connect "app". This will store all the middleware
+added and is, itself, a function.
+
+```js
+var app = connect();
+```
+
+### Use middleware
+
+The core of Connect is "using" middleware. Middleware are added as a "stack"
+where incoming requests will execute each middleware one-by-one until a middleware
+does not call `next()` within it.
+
+```js
+app.use(function middleware1(req, res, next) {
+  // middleware 1
+  next();
+});
+app.use(function middleware2(req, res, next) {
+  // middleware 2
+  next();
+});
+```
+
+### Mount middleware
+
+The `.use()` method also takes an optional path string that is matched against
+the beginning of the incoming request URL. This allows for basic routing.
+
+```js
+app.use('/foo', function fooMiddleware(req, res, next) {
+  // req.url starts with "/foo"
+  next();
+});
+app.use('/bar', function barMiddleware(req, res, next) {
+  // req.url starts with "/bar"
+  next();
+});
+```
+
+### Error middleware
+
+There are special cases of "error-handling" middleware. There are middleware
+where the function takes exactly 4 arguments. When a middleware passes an error
+to `next`, the app will proceed to look for the error middleware that was declared
+after that middleware and invoke it, skipping any error middleware above that
+middleware and any non-error middleware below.
+
+```js
+// regular middleware
+app.use(function (req, res, next) {
+  // i had an error
+  next(new Error('boom!'));
+});
+
+// error middleware for errors that occurred in middleware
+// declared before this
+app.use(function onerror(err, req, res, next) {
+  // an error occurred!
+});
+```
+
+### Create a server from the app
+
+The last step is to actually use the Connect app in a server. The `.listen()` method
+is a convenience to start a HTTP server (and is identical to the `http.Server`'s `listen`
+method in the version of Node.js you are running).
+
+```js
+var server = app.listen(port);
+```
+
+The app itself is really just a function with three arguments, so it can also be handed
+to `.createServer()` in Node.js.
+
+```js
+var server = http.createServer(app);
+```
+
+## Middleware
+
+These middleware and libraries are officially supported by the Connect/Express team:
+
+  - [body-parser](https://www.npmjs.com/package/body-parser) - previous `bodyParser`, `json`, and `urlencoded`. You may also be interested in:
+    - [body](https://www.npmjs.com/package/body)
+    - [co-body](https://www.npmjs.com/package/co-body)
+    - [raw-body](https://www.npmjs.com/package/raw-body)
+  - [compression](https://www.npmjs.com/package/compression) - previously `compress`
+  - [connect-timeout](https://www.npmjs.com/package/connect-timeout) - previously `timeout`
+  - [cookie-parser](https://www.npmjs.com/package/cookie-parser) - previously `cookieParser`
+  - [cookie-session](https://www.npmjs.com/package/cookie-session) - previously `cookieSession`
+  - [csurf](https://www.npmjs.com/package/csurf) - previously `csrf`
+  - [errorhandler](https://www.npmjs.com/package/errorhandler) - previously `error-handler`
+  - [express-session](https://www.npmjs.com/package/express-session) - previously `session`
+  - [method-override](https://www.npmjs.com/package/method-override) - previously `method-override`
+  - [morgan](https://www.npmjs.com/package/morgan) - previously `logger`
+  - [response-time](https://www.npmjs.com/package/response-time) - previously `response-time`
+  - [serve-favicon](https://www.npmjs.com/package/serve-favicon) - previously `favicon`
+  - [serve-index](https://www.npmjs.com/package/serve-index) - previously `directory`
+  - [serve-static](https://www.npmjs.com/package/serve-static) - previously `static`
+  - [vhost](https://www.npmjs.com/package/vhost) - previously `vhost`
+
+Most of these are exact ports of their Connect 2.x equivalents. The primary exception is `cookie-session`.
+
+Some middleware previously included with Connect are no longer supported by the Connect/Express team, are replaced by an alternative module, or should be superseded by a better module. Use one of these alternatives instead:
+
+  - `cookieParser`
+    - [cookies](https://www.npmjs.com/package/cookies) and [keygrip](https://www.npmjs.com/package/keygrip)
+  - `limit`
+    - [raw-body](https://www.npmjs.com/package/raw-body)
+  - `multipart`
+    - [connect-multiparty](https://www.npmjs.com/package/connect-multiparty)
+    - [connect-busboy](https://www.npmjs.com/package/connect-busboy)
+  - `query`
+    - [qs](https://www.npmjs.com/package/qs)
+  - `staticCache`
+    - [st](https://www.npmjs.com/package/st)
+    - [connect-static](https://www.npmjs.com/package/connect-static)
+
+Checkout [http-framework](https://github.com/Raynos/http-framework/wiki/Modules) for many other compatible middleware! 
+
+## API
+
+The Connect API is very minimalist, enough to create an app and add a chain
+of middleware.
+
+When the `connect` module is required, a function is returned that will construct
+a new app when called.
+
+```js
+// require module
+var connect = require('connect')
+
+// create app
+var app = connect()
+```
+
+### app(req, res[, next])
+
+The `app` itself is a function. This is just an alias to `app.handle`.
+
+### app.handle(req, res[, out])
+
+Calling the function will run the middleware stack against the given Node.js
+http request (`req`) and response (`res`) objects. An optional function `out`
+can be provided that will be called if the request (or error) was not handled
+by the middleware stack.
+
+### app.listen([...])
+
+Start the app listening for requests. This method will internally create a Node.js
+HTTP server and call `.listen()` on it.
+
+This is an alias to the `server.listen()` method in the version of Node.js running,
+so consult the Node.js documentation for all the different variations. The most
+common signature is [`app.listen(port)`](https://nodejs.org/dist/latest-v6.x/docs/api/http.html#http_server_listen_port_hostname_backlog_callback).
+
+### app.use(fn)
+
+Use a function on the app, where the function represents a middleware. The function
+will be invoked for every request in the order that `app.use` is called. The function
+is called with three arguments:
+
+```js
+app.use(function (req, res, next) {
+  // req is the Node.js http request object
+  // res is the Node.js http response object
+  // next is a function to call to invoke the next middleware
+})
+```
+
+In addition to a plan function, the `fn` argument can also be a Node.js HTTP server
+instance or another Connect app instance.
+
+### app.use(route, fn)
+
+Use a function on the app, where the function represents a middleware. The function
+will be invoked for every request in which the URL (`req.url` property) starts with
+the given `route` string in the order that `app.use` is called. The function is
+called with three arguments:
+
+```js
+app.use('/foo', function (req, res, next) {
+  // req is the Node.js http request object
+  // res is the Node.js http response object
+  // next is a function to call to invoke the next middleware
+})
+```
+
+In addition to a plan function, the `fn` argument can also be a Node.js HTTP server
+instance or another Connect app instance.
+
+The `route` is always terminated at a path separator (`/`) or a dot (`.`) character.
+This means the given routes `/foo/` and `/foo` are the same and both will match requests
+with the URLs `/foo`, `/foo/`, `/foo/bar`, and `/foo.bar`, but not match a request with
+the URL `/foobar`.
+
+The `route` is matched in a case-insensitive manor.
+
+In order to make middleware easier to write to be agnostic of the `route`, when the
+`fn` is invoked, the `req.url` will be altered to remove the `route` part (and the
+original will be available as `req.originalUrl`). For example, if `fn` is used at the
+route `/foo`, the request for `/foo/bar` will invoke `fn` with `req.url === '/foo'`
+and `req.originalUrl === '/foo/bar'`.
+
+## Running Tests
+
+```bash
+npm install
+npm test
+```
+
+## Contributors
+
+ https://github.com/senchalabs/connect/graphs/contributors
+
+## Node Compatibility
+
+  - Connect `< 1.x` - node `0.2`
+  - Connect `1.x` - node `0.4`
+  - Connect `< 2.8` - node `0.6`
+  - Connect `>= 2.8 < 3` - node `0.8`
+  - Connect `>= 3` - node `0.10`, `0.12`, `4.x`, `5.x`, `6.x`, `7.x`; io.js `1.x`, `2.x`, `3.x`
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/connect.svg
+[npm-url]: https://npmjs.org/package/connect
+[travis-image]: https://img.shields.io/travis/senchalabs/connect/master.svg
+[travis-url]: https://travis-ci.org/senchalabs/connect
+[coveralls-image]: https://img.shields.io/coveralls/senchalabs/connect/master.svg
+[coveralls-url]: https://coveralls.io/r/senchalabs/connect
+[downloads-image]: https://img.shields.io/npm/dm/connect.svg
+[downloads-url]: https://npmjs.org/package/connect
+[gratipay-image]: https://img.shields.io/gratipay/dougwilson.svg
+[gratipay-url]: https://www.gratipay.com/dougwilson/