mirror of
https://github.com/terribleplan/next.js.git
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119 lines
2.9 KiB
JavaScript
119 lines
2.9 KiB
JavaScript
import React, { Component, PropTypes } from 'react'
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import htmlescape from 'htmlescape'
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import { renderStatic } from 'glamor/server'
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import readPkgUp from 'read-pkg-up'
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const { pkg } = readPkgUp.sync({
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cwd: __dirname,
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normalize: false
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})
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export default class Document extends Component {
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static getInitialProps ({ renderPage }) {
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let head
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const { html, css, ids } = renderStatic(() => {
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const page = renderPage()
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head = page.head
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return page.html
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})
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const nextCSS = { css, ids }
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return { html, head, nextCSS }
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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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constructor (props) {
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super(props)
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const { __NEXT_DATA__, nextCSS } = props
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if (nextCSS) __NEXT_DATA__.ids = nextCSS.ids
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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, nextCSS } = 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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{nextCSS ? <style dangerouslySetInnerHTML={{ __html: nextCSS.css }} /> : 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, __NEXT_DATA__, staticMarkup } = this.context._documentProps
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return <div>
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<div id='__next' dangerouslySetInnerHTML={{ __html: html }} />
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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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</div>
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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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render () {
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const { staticMarkup, dev, cdn } = this.context._documentProps
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return <div>
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{staticMarkup ? null : createClientScript({ dev, cdn })}
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<script type='text/javascript' src='/_next/commons.js' />
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</div>
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}
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}
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function createClientScript ({ dev, cdn }) {
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if (dev) {
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return <script type='text/javascript' src='/_next/next-dev.bundle.js' />
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}
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if (!cdn) {
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return <script type='text/javascript' src='/_next/next.bundle.js' />
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}
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return <script dangerouslySetInnerHTML={{ __html: `
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(function () {
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load('https://cdn.zeit.co/next.js/${pkg.version}/next.min.js', function (err) {
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if (err) load('/_next/next.bundle.js')
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})
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function load (src, fn) {
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fn = fn || function () {}
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var script = document.createElement('script')
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script.src = src
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script.onload = function () { fn(null) }
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script.onerror = fn
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script.crossorigin = 'anonymous'
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document.body.appendChild(script)
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}
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})()
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`}} />
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}
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