mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
a879f47f9a
This will isolate all the NPM modules into a single chunk. That chunk won't touch by webpack unless, there's a new NPM module. That gives us much better re-build performance.
104 lines
2.4 KiB
JavaScript
104 lines
2.4 KiB
JavaScript
import React, { Component, PropTypes } from 'react'
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import htmlescape from 'htmlescape'
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import flush from 'styled-jsx/server'
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export default class Document extends Component {
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static getInitialProps ({ renderPage }) {
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const {html, head} = renderPage()
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const styles = flush()
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return { html, head, styles }
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}
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static childContextTypes = {
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_documentProps: PropTypes.any
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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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render () {
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const { head, styles } = this.context._documentProps
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return <head>
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{(head || []).map((h, i) => React.cloneElement(h, { key: i }))}
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{styles || null}
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{this.props.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 <div id='__next' dangerouslySetInnerHTML={{ __html: html }} />
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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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getChunkScript (filename, additionalProps = {}) {
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const { __NEXT_DATA__ } = this.context._documentProps
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let { buildStats } = __NEXT_DATA__
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const hash = buildStats ? buildStats[filename].hash : '-'
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return (
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<script
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type='text/javascript'
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src={`/_next/${hash}/${filename}`}
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{...additionalProps}
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/>
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)
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}
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getScripts () {
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const { dev } = this.context._documentProps
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if (dev) {
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return (
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<div>
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{ this.getChunkScript('manifest.js') }
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{ this.getChunkScript('commons.js') }
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{ this.getChunkScript('main.js') }
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</div>
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)
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}
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// In the production mode, we have a single asset with all the JS content.
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// So, we can load the script with async
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return this.getChunkScript('app.js', { async: true })
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}
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render () {
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const { staticMarkup, __NEXT_DATA__ } = this.context._documentProps
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return <div>
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{staticMarkup ? null : <script dangerouslySetInnerHTML={{
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__html: `__NEXT_DATA__ = ${htmlescape(__NEXT_DATA__)}; module={};`
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}} />}
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{staticMarkup ? null : this.getScripts()}
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</div>
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}
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}
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