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Upgrade Guide
=============
To see discussion around these API changes, please refer to the
[changelog](/CHANGELOG.md) and visit the commits and issues they
reference.
0.6.x -> 0.7.x
--------------
The package root modules were removed. Please import modules from the
`Router` default export.
```js
// 0.6.x
var Link = require('react-router/Link');
// 0.7.x
var Router = require('react-router');
var Link = Router.Link;
```
0.5.x -> 0.6.x
--------------
### Path Matching
Paths that start with `/` are absolute and work exactly as they used to.
Paths that don't start with `/` are now relative, meaning they extend
their parent route.
Simply add `/` in front of all your paths to keep things working.
```xml
<!-- 0.5.x -->
<Route path="/foo">
<Route path="bar"/>
</Route>
<!-- 0.6.x -->
<Route path="/foo">
<Route path="/bar"/>
</Route>
```
Though, you may want to embrace this new feature:
```xml
<!-- 0.5.x -->
<Route path="/course/:courseId">
<Route path="/course/:courseId/assignments"/>
<Route path="/course/:courseId/announcements"/>
</Route>
<!-- 0.6.x -->
<Route path="/course/:courseId">
<Route path="assignments"/>
<Route path="announcements"/>
</Route>
```
Also `.` is no longer matched in dynamic segments.
```xml
<!-- 0.5.x -->
<Route path="/file/:filename" />
<!-- 0.6.x -->
<Route path="/file/:filename.?:ext?" />
<!--
or for a looser match to allow for multiple `.` note that the data
will be available on `this.props.params.splat` instead of
`this.props.params.filename`
-->
<Route path="/file/*" />
```
### Link params
Links should now pass their params in the `params` property, though the
old behavior will still work, you should update your code soon because
it will be removed by `v1.0`
```js
// 0.5.x
<Link to="user" userId="123"/>
// 0.6.x
<Link to="user" params={{userId: "123"}}/>
```
### Dynamic Segments, keys, and lifecycle methods
If you have dynamic segments and are depending on `getInitialState`,
`componentWillMount`, or `componentDidMount` to fire between transitions
to the same route--like `users/123` and `users/456`--then you have two
options:
- add `addHandlerKey={true}` to your route and keep the previous
behavior (but lose out on performance), or
- implement `componentWillReceiveProps`.
```js
// 0.5.x
<Route handler={User} path="/user/:userId"/>
// 0.6.x
<Route handler={User} path="/user/:userId" addHandlerKey={true} />
// 0.5.x
var User = React.createClass({
getInitialState: function() {
return {
user: getUser(this.props.params.userId);
}
}
});
// 0.6.x
var User = React.createClass({
getInitialState: function() {
return this.getState();
},
componentWillReceiveProps: function(newProps) {
this.setState(this.getState(newProps));
},
getState: function(props) {
props = props || this.props;
return {
user: getUser(props.params.userId)
};
}
});
```
0.4.x -> 0.5.x
--------------
We brought back `<Routes/>`.
```js
// 0.4.x
var routes = (
<Route handler={App} location="history">
<Route name="about" handler="about"/>
</Route>
);
// 0.5.x
var routes = (
<Routes location="history">
<Route handler={App}>
<Route name="about" handler="about"/>
</Route>
</Routes>
);
```
0.3.x -> 0.4.x
--------------
NPM users should point their apps to `react-router` instead of
`react-nested-router`. Make sure to `npm prune`!
0.2.x -> 0.3.x
--------------
- React `0.11.x` is now required.
- `this.props.activeRoute` became `this.props.activeRouteHandler()`
```js
// 0.2.x
var App = React.createClass({
render: function() {
return (
<div>
{this.props.activeRoute}
</div>
);
}
});
// 0.3.x
var App = React.createClass({
render: function() {
// now you can send extra props to the active route handler
// and use the new jsx syntax
// <this.props.activeRouteHandler extraProp={something}/>
return (
<div>
{this.props.activeRouteHandler()}
</div>
);
}
});
```
0.1.x -> 0.2.x
--------------
The `Router` function was removed.
```js
// 0.1.x
var router = Router(routes);
router.renderComponent(element);
// 0.2.x
React.renderComponent(routes, element);
```
|
