mirror of
https://github.com/terribleplan/next.js.git
synced 2024-01-19 02:48:18 +00:00
8570d19af6
* handle errors of lifecycle methods * handle errors of render method
107 lines
2.4 KiB
JavaScript
107 lines
2.4 KiB
JavaScript
import React, { Component, PropTypes } from 'react'
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import { AppContainer } from 'react-hot-loader'
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import { warn } from './utils'
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export default class App extends Component {
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static childContextTypes = {
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router: PropTypes.object,
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headManager: PropTypes.object
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}
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constructor (props) {
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super(props)
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this.state = propsToState(props)
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this.close = null
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}
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componentWillReceiveProps (nextProps) {
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const state = propsToState(nextProps)
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try {
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this.setState(state)
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} catch (err) {
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this.handleError(err)
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}
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}
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componentDidMount () {
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const { router } = this.props
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this.close = router.subscribe((data) => {
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const props = data.props || this.state.props
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const state = propsToState({
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...data,
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props,
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router
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})
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try {
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this.setState(state)
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} catch (err) {
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this.handleError(err)
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}
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})
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}
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componentWillUnmount () {
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if (this.close) this.close()
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}
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getChildContext () {
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const { router, headManager } = this.props
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return { router, headManager }
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}
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render () {
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const { Component, props } = this.state
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return <AppContainer>
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<Component {...props} />
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</AppContainer>
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}
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async handleError (err) {
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console.error(err)
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const { router, ErrorComponent } = this.props
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const { pathname, query } = router
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const props = await ErrorComponent.getInitialProps({ err, pathname, query })
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const state = propsToState({ Component: ErrorComponent, props, router })
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try {
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this.setState(state)
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} catch (err2) {
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console.error(err2)
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}
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}
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}
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function propsToState (props) {
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const { Component, router } = props
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const url = {
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query: router.query,
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pathname: router.pathname,
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back: () => router.back(),
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push: (url, as) => router.push(url, as),
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pushTo: (href, as) => {
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warn(`Warning: 'url.pushTo()' is deprecated. Please use 'url.push()' instead.`)
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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) => router.replace(url, as),
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replaceTo: (href, as) => {
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warn(`Warning: 'url.replaceTo()' is deprecated. Please use 'url.replace()' instead.`)
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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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return {
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Component,
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props: { ...props.props, url }
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}
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}
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