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css/docs/pages/_app.js

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import React from 'react'
import App, {Container} from 'next/app'
import {MDXProvider} from '@mdx-js/tag'
import Head from 'next/head'
import {withMDXLive} from 'mdx-live'
import getConfig from 'next/config'
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import Octicon, {Pencil} from '@githubprimer/octicons-react'
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import {basename, join} from 'path'
import * as docComponents from './doc-components'
import * as primerComponents from '@primer/components'
const {BaseStyles, Box, Flex, Link, Text, theme} = primerComponents
const {SideNav, Header, IndexHero} = docComponents
const DocLink = props => <Link nounderline {...props} />
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const ext = /\.mdx?$/
const context = require.context('.', true, /\.mdx?$/)
const pathMap = context.keys().reduce((map, key) => {
const base = key.replace(ext, '').replace(/\/index$/, '')
const path = base.substr(1) // strip the leading "."
map[path] = key
return map
}, {})
const components = {
...docComponents,
...primerComponents,
Octicon,
// render links with our component
a: DocLink,
code: withMDXLive('pre'),
pre: props => props.children
}
export default class MyApp extends App {
static async getInitialProps({Component, ctx}) {
let page = {}
if (Component.getInitialProps) {
page = await Component.getInitialProps(ctx)
}
return {page}
}
render() {
const {pathname} = this.props.router
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const filename = pathMap[pathname]
const {Component, page} = this.props
const hasHero = ['/css', '/css/'].includes(pathname)
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const meta = {}
if (filename) {
Object.assign(meta, context(filename).meta)
}
return (
<BaseStyles style={{fontFamily: theme.fonts.normal}}>
<Container>
<Head>
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<title>Primer CSS{meta.title ? ` / ${meta.title}` : null}</title>
</Head>
<Header />
<Flex display={['block', 'block', 'flex', 'flex']} flexDirection="row-reverse">
<Box width="100%">
{hasHero && <IndexHero />}
<Box color="gray.9" maxWidth={1012} width={'100%'} my={6} mx={'auto'} px={6} className="markdown-body">
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{meta.title ? <h1>{meta.title}</h1> : null}
<MDXProvider components={components}>
<Component {...page} />
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<pre>meta: {JSON.stringify(meta, null, 2)}</pre>
</MDXProvider>
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{/* TODO: bring back edit link! */}
</Box>
</Box>
<SideNav />
</Flex>
</Container>
</BaseStyles>
)
}
}