| | 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> |
| | ) |
| | } |
| | } |
| |
|