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next.js/examples/with-loading/pages/_app.js
Tomek e8c1eaec83 update with-loading example (#4836)
Changes:

* Split `Header` component trough `_document.js` and `_app.js`
* Attached Router events with a way described in the [documentation](https://github.com/zeit/next.js#router-events) (though in the documentation is says it should be `Router.events.on` while I managed to get it working only by `Router.router.events.on` and I had to place it inside `componentDidMount`)
2018-08-11 19:39:48 -07:00

45 lines
1.1 KiB
JavaScript

import React from 'react'
import App, {Container} from 'next/app'
import Link from 'next/link'
import NProgress from 'nprogress'
import Router from 'next/router'
const linkStyle = {
margin: '0 10px 0 0'
}
Router.onRouteChangeStart = (url) => {
console.log(`Loading: ${url}`)
NProgress.start()
}
Router.onRouteChangeComplete = () => NProgress.done()
Router.onRouteChangeError = () => NProgress.done()
export default class MyApp extends App {
static async getInitialProps ({ Component, router, ctx }) {
let pageProps = {}
if (Component.getInitialProps) {
pageProps = await Component.getInitialProps(ctx)
}
return {pageProps}
}
render () {
const {Component, pageProps} = this.props
return (
<Container>
<div style={{ marginBottom: 20 }}>
<Link href='/'><a style={linkStyle}>Home</a></Link>
<Link href='/about'><a style={linkStyle}>About</a></Link>
<Link href='/forever'><a style={linkStyle}>Forever</a></Link>
<Link href='/non-existing'><a style={linkStyle}>Non Existing Page</a></Link>
</div>
<Component {...pageProps} />
</Container>
)
}
}