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Update README.md

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Guillermo Rauch 2016-12-30 17:37:06 -08:00 committed by GitHub
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@ -282,21 +282,13 @@ If you are no longer want to listen to that event, you can simply unset the even
Router.onRouteChangeStart = null Router.onRouteChangeStart = null
``` ```
##### Cancelled (Abort) Routes If a route load is cancelled (for example by clicking two links rapidly in succession), `routeChangeError` will fire. The passed `err` will contained a `cancelled` property set to `true`.
Sometimes, you might want to change a route before the current route gets completed. Current route may be downloading the page or running `getInitialProps`.
In that case, we abort the current route and process with the new route.
If you need, you could capture those cancelled routes via `routeChangeError` router event. See:
```js ```js
Router.onRouteChangeError = (err, url) => { Router.onRouteChangeError = (err, url) => {
if (err.cancelled) { if (err.cancelled) {
console.log(`Route to ${url} is cancelled!`) console.log(`Route to ${url} was cancelled!`)
return
} }
// Some other error
} }
``` ```