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add app.context() docs

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TJ Holowaychuk 2013-08-18 11:18:05 -07:00
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docs/api.md
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@ -59,6 +59,28 @@ http.createServer(app.callback()).listen(3001);
Add the given middleware function to this application. See [Middleware](#middleware) for Add the given middleware function to this application. See [Middleware](#middleware) for
more information. more information.
### app.context(obj)
Each `Application` has its own `Context` instance, meaning you may extend the prototype of one,
and the other will remain untouched with the default prototype. To extend an apps context you may
invoke `app.context()` any number of times with an object of extensions:
```js
app.context({
get something(){
return 'hi';
},
set something(val){
this._something = val;
},
render: function(){
this.body = '<html></html>';
}
});
```
## Context ## Context
A Koa Context encapsulates node's `request` and `response` objects A Koa Context encapsulates node's `request` and `response` objects