mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
219 lines
6.2 KiB
JavaScript
219 lines
6.2 KiB
JavaScript
/* eslint-disable */
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import React, { Component } from 'react'
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import PropTypes from 'prop-types'
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import htmlescape from 'htmlescape'
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import flush from 'styled-jsx/server'
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const Fragment = React.Fragment || function Fragment ({ children }) {
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return <div>{children}</div>
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}
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export default class Document extends Component {
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static childContextTypes = {
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_documentProps: PropTypes.any
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}
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static getInitialProps ({ renderPage }) {
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const { html, head, buildManifest } = renderPage()
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const styles = flush()
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return { html, head, styles, buildManifest }
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}
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getChildContext () {
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return { _documentProps: this.props }
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}
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render () {
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return <html>
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<Head />
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<body>
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<Main />
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<NextScript />
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</body>
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</html>
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}
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}
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export class Head extends Component {
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static contextTypes = {
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_documentProps: PropTypes.any
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}
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static propTypes = {
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nonce: PropTypes.string
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}
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getCssLinks () {
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const { assetPrefix, files } = this.context._documentProps
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if(!files || files.length === 0) {
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return null
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}
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return files.map((file) => {
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// Only render .css files here
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if(!/\.css$/.exec(file)) {
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return null
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}
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return <link
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key={file}
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nonce={this.props.nonce}
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rel='stylesheet'
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href={`${assetPrefix}/_next/${file}`}
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/>
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})
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}
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getPreloadDynamicChunks () {
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const { dynamicImports, assetPrefix } = this.context._documentProps
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return dynamicImports.map((bundle) => {
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return <link
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rel='preload'
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key={bundle.file}
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href={`${assetPrefix}/_next/${bundle.file}`}
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as='script'
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nonce={this.props.nonce}
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/>
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})
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}
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getPreloadMainLinks () {
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const { assetPrefix, files } = this.context._documentProps
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if(!files || files.length === 0) {
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return null
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}
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return files.map((file) => {
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// Only render .js files here
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if(!/\.js$/.exec(file)) {
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return null
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}
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return <link
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key={file}
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nonce={this.props.nonce}
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rel='preload'
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href={`${assetPrefix}/_next/${file}`}
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as='script'
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/>
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})
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}
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render () {
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const { head, styles, assetPrefix, __NEXT_DATA__ } = this.context._documentProps
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const { page, pathname, buildId } = __NEXT_DATA__
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const pagePathname = getPagePathname(pathname)
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let children = this.props.children
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// show a warning if Head contains <title> (only in development)
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if (process.env.NODE_ENV !== 'production') {
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children = React.Children.map(children, (child) => {
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if (child && child.type === 'title') {
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console.warn("Warning: <title> should not be used in _document.js's <Head>. https://err.sh/next.js/no-document-title")
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}
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return child
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})
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}
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return <head {...this.props}>
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{head}
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{page !== '/_error' && <link rel='preload' href={`${assetPrefix}/_next/static/${buildId}/pages${pagePathname}`} as='script' nonce={this.props.nonce} />}
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<link rel='preload' href={`${assetPrefix}/_next/static/${buildId}/pages/_app.js`} as='script' nonce={this.props.nonce} />
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<link rel='preload' href={`${assetPrefix}/_next/static/${buildId}/pages/_error.js`} as='script' nonce={this.props.nonce} />
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{this.getPreloadDynamicChunks()}
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{this.getPreloadMainLinks()}
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{this.getCssLinks()}
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{styles || null}
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{children}
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</head>
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}
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}
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export class Main extends Component {
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static contextTypes = {
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_documentProps: PropTypes.any
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}
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render () {
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const { html } = this.context._documentProps
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return (
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<div id='__next' dangerouslySetInnerHTML={{ __html: html }} />
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)
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}
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}
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export class NextScript extends Component {
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static contextTypes = {
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_documentProps: PropTypes.any
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}
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static propTypes = {
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nonce: PropTypes.string
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}
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getDynamicChunks () {
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const { dynamicImports, assetPrefix } = this.context._documentProps
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return dynamicImports.map((bundle) => {
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return <script
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async
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key={bundle.file}
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src={`${assetPrefix}/_next/${bundle.file}`}
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nonce={this.props.nonce}
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/>
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})
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}
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getScripts () {
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const { assetPrefix, files } = this.context._documentProps
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if(!files || files.length === 0) {
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return null
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}
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return files.map((file) => {
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// Only render .js files here
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if(!/\.js$/.exec(file)) {
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return null
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}
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return <script
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key={file}
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src={`${assetPrefix}/_next/${file}`}
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nonce={this.props.nonce}
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async
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/>
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})
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}
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static getInlineScriptSource (documentProps) {
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const { __NEXT_DATA__ } = documentProps
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const { page, pathname } = __NEXT_DATA__
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return `__NEXT_DATA__ = ${htmlescape(__NEXT_DATA__)};__NEXT_LOADED_PAGES__=[];__NEXT_REGISTER_PAGE=function(r,f){__NEXT_LOADED_PAGES__.push([r, f])}${page === '/_error' ? `;__NEXT_REGISTER_PAGE(${htmlescape(pathname)},function(){var e = new Error('Page does not exist: ${htmlescape(pathname)}');e.statusCode=404;return {error:e}})`:''}`
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}
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render () {
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const { staticMarkup, assetPrefix, devFiles, __NEXT_DATA__ } = this.context._documentProps
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const { page, pathname, buildId } = __NEXT_DATA__
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const pagePathname = getPagePathname(pathname)
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return <Fragment>
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{devFiles ? devFiles.map((file) => <script key={file} src={`${assetPrefix}/_next/${file}`} nonce={this.props.nonce} />) : null}
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{staticMarkup ? null : <script nonce={this.props.nonce} dangerouslySetInnerHTML={{
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__html: NextScript.getInlineScriptSource(this.context._documentProps)
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}} />}
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{page !== '/_error' && <script async id={`__NEXT_PAGE__${pathname}`} src={`${assetPrefix}/_next/static/${buildId}/pages${pagePathname}`} nonce={this.props.nonce} />}
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<script async id={`__NEXT_PAGE__/_app`} src={`${assetPrefix}/_next/static/${buildId}/pages/_app.js`} nonce={this.props.nonce} />
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<script async id={`__NEXT_PAGE__/_error`} src={`${assetPrefix}/_next/static/${buildId}/pages/_error.js`} nonce={this.props.nonce} />
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{staticMarkup ? null : this.getDynamicChunks()}
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{staticMarkup ? null : this.getScripts()}
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</Fragment>
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}
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}
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function getPagePathname (pathname) {
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if (pathname === '/') {
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return '/index.js'
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}
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return `${pathname}.js`
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}
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