mirror of
https://github.com/terribleplan/next.js.git
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103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
import React, { Component, PropTypes } from 'react'
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import { AppContainer } from 'react-hot-loader'
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import shallowEquals from './shallow-equals'
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import { warn } from './utils'
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const ErrorDebug = process.env.NODE_ENV === 'production'
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? null : require('./error-debug').default
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export default class App extends Component {
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static childContextTypes = {
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headManager: PropTypes.object
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}
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getChildContext () {
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const { headManager } = this.props
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return { headManager }
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}
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render () {
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const { Component, props, hash, err, router } = this.props
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const url = createUrl(router)
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// If there no component exported we can't proceed.
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// We'll tackle that here.
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if (typeof Component !== 'function') {
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throw new Error(`The default export is not a React Component in page: "${url.pathname}"`)
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}
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const containerProps = { Component, props, hash, router, url }
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return <div>
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<Container {...containerProps} />
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{ErrorDebug && err ? <ErrorDebug error={err} /> : null}
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</div>
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}
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}
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class Container extends Component {
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componentDidMount () {
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this.scrollToHash()
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}
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componentDidUpdate () {
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this.scrollToHash()
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}
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scrollToHash () {
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const { hash } = this.props
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const el = document.getElementById(hash)
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if (el) {
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// If we call scrollIntoView() in here without a setTimeout
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// it won't scroll properly.
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setTimeout(() => el.scrollIntoView(), 0)
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}
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}
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shouldComponentUpdate (nextProps) {
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// need this check not to rerender component which has already thrown an error
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return !shallowEquals(this.props, nextProps)
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}
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render () {
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const { Component, props, url } = this.props
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// includes AppContainer which bypasses shouldComponentUpdate method
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// https://github.com/gaearon/react-hot-loader/issues/442
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return <AppContainer errorReporter={ErrorDebug}>
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<Component {...props} url={url} />
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</AppContainer>
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}
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}
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function createUrl (router) {
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return {
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query: router.query,
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pathname: router.pathname,
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back: () => {
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warn(`Warning: 'url.back()' is deprecated. Use "window.history.back()"`)
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router.back()
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},
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push: (url, as) => {
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warn(`Warning: 'url.push()' is deprecated. Use "next/router" APIs.`)
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return router.push(url, as)
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},
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pushTo: (href, as) => {
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warn(`Warning: 'url.pushTo()' is deprecated. Use "next/router" APIs.`)
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const pushRoute = as ? href : null
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const pushUrl = as || href
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return router.push(pushRoute, pushUrl)
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},
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replace: (url, as) => {
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warn(`Warning: 'url.replace()' is deprecated. Use "next/router" APIs.`)
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return router.replace(url, as)
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},
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replaceTo: (href, as) => {
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warn(`Warning: 'url.replaceTo()' is deprecated. Use "next/router" APIs.`)
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const replaceRoute = as ? href : null
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const replaceUrl = as || href
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return router.replace(replaceRoute, replaceUrl)
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}
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}
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}
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