2017-04-10 18:35:26 +00:00
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import React, { Component } from 'react'
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import PropTypes from 'prop-types'
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2016-12-16 18:42:40 +00:00
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import htmlescape from 'htmlescape'
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2016-12-19 18:42:19 +00:00
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import flush from 'styled-jsx/server'
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2016-12-16 18:42:40 +00:00
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export default class Document extends Component {
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static getInitialProps ({ renderPage }) {
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2017-04-01 21:03:40 +00:00
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const { html, head, errorHtml } = renderPage()
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2017-02-26 12:28:00 +00:00
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const styles = flush()
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2017-04-01 21:03:40 +00:00
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return { html, head, errorHtml, styles }
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2016-12-16 18:42:40 +00:00
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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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2017-04-18 04:18:43 +00:00
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getChunkPreloadLink (filename) {
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const { __NEXT_DATA__ } = this.context._documentProps
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let { buildStats, assetPrefix } = __NEXT_DATA__
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const hash = buildStats ? buildStats[filename].hash : '-'
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return (
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<link
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key={filename}
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rel='preload'
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href={`${assetPrefix}/_next/${hash}/${filename}`}
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as='script'
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/>
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)
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}
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getPreloadMainLinks () {
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const { dev } = this.context._documentProps
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if (dev) {
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return [
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this.getChunkPreloadLink('manifest.js'),
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this.getChunkPreloadLink('commons.js'),
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this.getChunkPreloadLink('main.js')
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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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return [
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this.getChunkPreloadLink('app.js')
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]
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}
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2016-12-16 18:42:40 +00:00
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render () {
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2017-04-18 04:18:43 +00:00
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const { head, styles, __NEXT_DATA__ } = this.context._documentProps
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const { pathname, buildId, assetPrefix } = __NEXT_DATA__
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2016-12-16 18:42:40 +00:00
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return <head>
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2017-04-18 04:18:43 +00:00
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<link rel='preload' href={`${assetPrefix}/_next/${buildId}/page${pathname}`} as='script' />
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<link rel='preload' href={`${assetPrefix}/_next/${buildId}/page/_error`} as='script' />
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{this.getPreloadMainLinks()}
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2016-12-16 18:42:40 +00:00
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{(head || []).map((h, i) => React.cloneElement(h, { key: i }))}
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2017-02-26 12:28:00 +00:00
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{styles || null}
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2016-12-16 18:42:40 +00:00
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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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2017-04-01 21:03:40 +00:00
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const { html, errorHtml } = this.context._documentProps
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return (
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<div>
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<div id='__next' dangerouslySetInnerHTML={{ __html: html }} />
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<div id='__next-error' dangerouslySetInnerHTML={{ __html: errorHtml }} />
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</div>
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)
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2016-12-16 18:42:40 +00:00
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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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2017-03-24 07:51:34 +00:00
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getChunkScript (filename, additionalProps = {}) {
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2017-03-07 18:43:56 +00:00
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const { __NEXT_DATA__ } = this.context._documentProps
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2017-04-18 04:18:43 +00:00
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let { buildStats, assetPrefix } = __NEXT_DATA__
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2017-03-07 18:43:56 +00:00
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const hash = buildStats ? buildStats[filename].hash : '-'
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return (
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2017-03-24 07:51:34 +00:00
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<script
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type='text/javascript'
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2017-04-18 04:18:43 +00:00
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src={`${assetPrefix}/_next/${hash}/${filename}`}
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2017-03-24 07:51:34 +00:00
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{...additionalProps}
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/>
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2017-03-07 18:43:56 +00:00
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)
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}
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2017-03-24 07:51:34 +00:00
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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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2017-03-26 20:48:59 +00:00
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{ this.getChunkScript('manifest.js') }
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2017-03-24 07:51:34 +00:00
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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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2016-12-16 18:42:40 +00:00
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render () {
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2017-01-11 20:16:18 +00:00
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const { staticMarkup, __NEXT_DATA__ } = this.context._documentProps
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2017-04-18 04:18:43 +00:00
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const { pathname, buildId, assetPrefix } = __NEXT_DATA__
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2016-12-17 08:49:10 +00:00
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2016-12-16 18:42:40 +00:00
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return <div>
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2017-01-20 00:14:05 +00:00
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{staticMarkup ? null : <script dangerouslySetInnerHTML={{
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2017-04-18 04:18:43 +00:00
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__html: `
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__NEXT_DATA__ = ${htmlescape(__NEXT_DATA__)}
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module={}
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__NEXT_LOADED_PAGES__ = []
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__NEXT_REGISTER_PAGE = function (route, fn) {
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__NEXT_LOADED_PAGES__.push({ route: route, fn: fn })
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}
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`
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2017-01-20 00:14:05 +00:00
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}} />}
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2017-04-18 04:18:43 +00:00
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<script async type='text/javascript' src={`${assetPrefix}/_next/${buildId}/page${pathname}`} />
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<script async type='text/javascript' src={`${assetPrefix}/_next/${buildId}/page/_error`} />
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2017-03-24 07:51:34 +00:00
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{staticMarkup ? null : this.getScripts()}
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2016-12-16 18:42:40 +00:00
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</div>
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}
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}
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