| import React from 'react' |
| import Head from '../shared/lib/head' |
| import type { NextPageContext } from '../shared/lib/utils' |
|
|
| const statusCodes: { [code: number]: string } = { |
| 400: 'Bad Request', |
| 404: 'This page could not be found', |
| 405: 'Method Not Allowed', |
| 500: 'Internal Server Error', |
| } |
|
|
| export type ErrorProps = { |
| statusCode: number |
| hostname?: string |
| title?: string |
| withDarkMode?: boolean |
| } |
|
|
| function _getInitialProps({ |
| req, |
| res, |
| err, |
| }: NextPageContext): Promise<ErrorProps> | ErrorProps { |
| const statusCode = |
| res && res.statusCode ? res.statusCode : err ? err.statusCode! : 404 |
|
|
| let hostname |
|
|
| if (typeof window !== 'undefined') { |
| hostname = window.location.hostname |
| } else if (req) { |
| const { getRequestMeta } = |
| require('../server/request-meta') as typeof import('../server/request-meta') |
|
|
| const initUrl = getRequestMeta(req, 'initURL') |
| if (initUrl) { |
| const url = new URL(initUrl) |
| hostname = url.hostname |
| } |
| } |
|
|
| return { statusCode, hostname } |
| } |
|
|
| const styles: Record<string, React.CSSProperties> = { |
| error: { |
| |
| fontFamily: |
| 'system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji"', |
| height: '100vh', |
| textAlign: 'center', |
| display: 'flex', |
| flexDirection: 'column', |
| alignItems: 'center', |
| justifyContent: 'center', |
| }, |
| desc: { |
| lineHeight: '48px', |
| }, |
| h1: { |
| display: 'inline-block', |
| margin: '0 20px 0 0', |
| paddingRight: 23, |
| fontSize: 24, |
| fontWeight: 500, |
| verticalAlign: 'top', |
| }, |
| h2: { |
| fontSize: 14, |
| fontWeight: 400, |
| lineHeight: '28px', |
| }, |
| wrap: { |
| display: 'inline-block', |
| }, |
| } |
|
|
| |
| |
| |
| export default class Error<P = {}> extends React.Component<P & ErrorProps> { |
| static displayName = 'ErrorPage' |
|
|
| static getInitialProps = _getInitialProps |
| static origGetInitialProps = _getInitialProps |
|
|
| render() { |
| const { statusCode, withDarkMode = true } = this.props |
| const title = |
| this.props.title || |
| statusCodes[statusCode] || |
| 'An unexpected error has occurred' |
|
|
| return ( |
| <div style={styles.error}> |
| <Head> |
| <title> |
| {statusCode |
| ? `${statusCode}: ${title}` |
| : 'Application error: a client-side exception has occurred'} |
| </title> |
| </Head> |
| <div style={styles.desc}> |
| <style |
| dangerouslySetInnerHTML={{ |
| /* CSS minified from |
| body { margin: 0; color: #000; background: #fff; } |
| .next-error-h1 { |
| border-right: 1px solid rgba(0, 0, 0, .3); |
| } |
| |
| ${ |
| withDarkMode |
| ? `@media (prefers-color-scheme: dark) { |
| body { color: #fff; background: #000; } |
| .next-error-h1 { |
| border-right: 1px solid rgba(255, 255, 255, .3); |
| } |
| }` |
| : '' |
| } |
| */ |
| __html: `body{color:#000;background:#fff;margin:0}.next-error-h1{border-right:1px solid rgba(0,0,0,.3)}${ |
| withDarkMode |
| ? '@media (prefers-color-scheme:dark){body{color:#fff;background:#000}.next-error-h1{border-right:1px solid rgba(255,255,255,.3)}}' |
| : '' |
| }`, |
| }} |
| /> |
| |
| {statusCode ? ( |
| <h1 className="next-error-h1" style={styles.h1}> |
| {statusCode} |
| </h1> |
| ) : null} |
| <div style={styles.wrap}> |
| <h2 style={styles.h2}> |
| {this.props.title || statusCode ? ( |
| title |
| ) : ( |
| <> |
| Application error: a client-side exception has occurred{' '} |
| {Boolean(this.props.hostname) && ( |
| <>while loading {this.props.hostname}</> |
| )}{' '} |
| (see the browser console for more information) |
| </> |
| )} |
| . |
| </h2> |
| </div> |
| </div> |
| </div> |
| ) |
| } |
| } |
|
|
