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next.js/server/document.js
Arunoda Susiripala 2796c08ef7 Fix '/' page serving issue.
It was xxxx/page//index.js
2017-05-11 06:20:58 -07:00

165 lines
4.5 KiB
JavaScript

import React, { Component } from 'react'
import PropTypes from 'prop-types'
import htmlescape from 'htmlescape'
import flush from 'styled-jsx/server'
export default class Document extends Component {
static getInitialProps ({ renderPage }) {
const { html, head, errorHtml } = renderPage()
const styles = flush()
return { html, head, errorHtml, styles }
}
static childContextTypes = {
_documentProps: PropTypes.any
}
getChildContext () {
return { _documentProps: this.props }
}
render () {
return <html>
<Head />
<body>
<Main />
<NextScript />
</body>
</html>
}
}
export class Head extends Component {
static contextTypes = {
_documentProps: PropTypes.any
}
getChunkPreloadLink (filename) {
const { __NEXT_DATA__ } = this.context._documentProps
let { buildStats, assetPrefix } = __NEXT_DATA__
const hash = buildStats ? buildStats[filename].hash : '-'
return (
<link
key={filename}
rel='preload'
href={`${assetPrefix}/_next/${hash}/${filename}`}
as='script'
/>
)
}
getPreloadMainLinks () {
const { dev } = this.context._documentProps
if (dev) {
return [
this.getChunkPreloadLink('manifest.js'),
this.getChunkPreloadLink('commons.js'),
this.getChunkPreloadLink('main.js')
]
}
// In the production mode, we have a single asset with all the JS content.
return [
this.getChunkPreloadLink('app.js')
]
}
render () {
const { head, styles, __NEXT_DATA__ } = this.context._documentProps
const { pathname, buildId, assetPrefix, nextExport } = __NEXT_DATA__
const pagePathname = getPagePathname(pathname, nextExport)
return <head>
<link rel='preload' href={`${assetPrefix}/_next/${buildId}/page${pagePathname}`} as='script' />
<link rel='preload' href={`${assetPrefix}/_next/${buildId}/page/_error/index.js`} as='script' />
{this.getPreloadMainLinks()}
{(head || []).map((h, i) => React.cloneElement(h, { key: i }))}
{styles || null}
{this.props.children}
</head>
}
}
export class Main extends Component {
static contextTypes = {
_documentProps: PropTypes.any
}
render () {
const { html, errorHtml } = this.context._documentProps
return (
<div>
<div id='__next' dangerouslySetInnerHTML={{ __html: html }} />
<div id='__next-error' dangerouslySetInnerHTML={{ __html: errorHtml }} />
</div>
)
}
}
export class NextScript extends Component {
static contextTypes = {
_documentProps: PropTypes.any
}
getChunkScript (filename, additionalProps = {}) {
const { __NEXT_DATA__ } = this.context._documentProps
let { buildStats, assetPrefix } = __NEXT_DATA__
const hash = buildStats ? buildStats[filename].hash : '-'
return (
<script
key={filename}
type='text/javascript'
src={`${assetPrefix}/_next/${hash}/${filename}`}
{...additionalProps}
/>
)
}
getScripts () {
const { dev } = this.context._documentProps
if (dev) {
return [
this.getChunkScript('manifest.js'),
this.getChunkScript('commons.js'),
this.getChunkScript('main.js')
]
}
// In the production mode, we have a single asset with all the JS content.
// So, we can load the script with async
return [this.getChunkScript('app.js', { async: true })]
}
render () {
const { staticMarkup, __NEXT_DATA__ } = this.context._documentProps
const { pathname, nextExport, buildId, assetPrefix } = __NEXT_DATA__
const pagePathname = getPagePathname(pathname, nextExport)
return <div>
{staticMarkup ? null : <script dangerouslySetInnerHTML={{
__html: `
__NEXT_DATA__ = ${htmlescape(__NEXT_DATA__)}
module={}
__NEXT_LOADED_PAGES__ = []
__NEXT_REGISTER_PAGE = function (route, fn) {
__NEXT_LOADED_PAGES__.push({ route: route, fn: fn })
}
`
}} />}
<script async id={`__NEXT_PAGE__${pathname}`} type='text/javascript' src={`${assetPrefix}/_next/${buildId}/page${pagePathname}`} />
<script async id={`__NEXT_PAGE__/_error`} type='text/javascript' src={`${assetPrefix}/_next/${buildId}/page/_error/index.js`} />
{staticMarkup ? null : this.getScripts()}
</div>
}
}
function getPagePathname (pathname, nextExport) {
if (!nextExport) return pathname
if (pathname === '/') return '/index.js'
return `${pathname}/index.js`
}