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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Error Decoder requires reading pregenerated error message from getStaticProps, | ||
| // but MDX component doesn't support props. So we use React Context to populate | ||
| // the value without prop-drilling. | ||
| // TODO: Replace with React.cache + React.use when migrating to Next.js App Router | ||
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| import {createContext, useContext} from 'react'; | ||
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| const notInErrorDecoderContext = Symbol('not in error decoder context'); | ||
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| export const ErrorDecoderContext = createContext< | ||
| | {errorMessage: string | null; errorCode: string | null} | ||
| | typeof notInErrorDecoderContext | ||
| >(notInErrorDecoderContext); | ||
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| export const useErrorDecoderParams = () => { | ||
| const params = useContext(ErrorDecoderContext); | ||
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| if (params === notInErrorDecoderContext) { | ||
| throw new Error('useErrorDecoder must be used in error decoder pages only'); | ||
| } | ||
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| return params; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import {useEffect, useState} from 'react'; | ||
| import {useErrorDecoderParams} from '../ErrorDecoderContext'; | ||
| import cn from 'classnames'; | ||
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| function replaceArgs( | ||
| msg: string, | ||
| argList: Array<string | undefined>, | ||
| replacer = '[missing argument]' | ||
| ): string { | ||
| let argIdx = 0; | ||
| return msg.replace(/%s/g, function () { | ||
| const arg = argList[argIdx++]; | ||
| // arg can be an empty string: ?args[0]=&args[1]=count | ||
| return arg === undefined || arg === '' ? replacer : arg; | ||
| }); | ||
| } | ||
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| /** | ||
| * Sindre Sorhus <https://sindresorhus.com> | ||
| * Released under MIT license | ||
| * https://github.com/sindresorhus/linkify-urls/blob/edd75a64a9c36d7025f102f666ddbb6cf0afa7cd/index.js#L4C25-L4C137 | ||
| * | ||
| * The regex is used to extract URL from the string for linkify. | ||
| */ | ||
| const urlRegex = | ||
| /((?<!\+)https?:\/\/(?:www\.)?(?:[-\w.]+?[.@][a-zA-Z\d]{2,}|localhost)(?:[-\w.:%+~#*$!?&/=@]*?(?:,(?!\s))*?)*)/g; | ||
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| // When the message contains a URL (like https://fb.me/react-refs-must-have-owner), | ||
| // make it a clickable link. | ||
| function urlify(str: string): React.ReactNode[] { | ||
| const segments = str.split(urlRegex); | ||
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| return segments.map((message, i) => { | ||
| if (i % 2 === 1) { | ||
| return ( | ||
| <a | ||
| key={i} | ||
| target="_blank" | ||
| className="underline" | ||
| rel="noopener noreferrer" | ||
| href={message}> | ||
| {message} | ||
| </a> | ||
| ); | ||
| } | ||
| return message; | ||
| }); | ||
| } | ||
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| // `?args[]=foo&args[]=bar` | ||
| // or `// ?args[0]=foo&args[1]=bar` | ||
| function parseQueryString(search: string): Array<string | undefined> { | ||
| const rawQueryString = search.substring(1); | ||
| if (!rawQueryString) { | ||
| return []; | ||
| } | ||
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| const args: Array<string | undefined> = []; | ||
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| const queries = rawQueryString.split('&'); | ||
| for (let i = 0; i < queries.length; i++) { | ||
| const query = decodeURIComponent(queries[i]); | ||
| if (query.startsWith('args[')) { | ||
| args.push(query.slice(query.indexOf(']=') + 2)); | ||
| } | ||
| } | ||
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| return args; | ||
| } | ||
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| export default function ErrorDecoder() { | ||
| const {errorMessage} = useErrorDecoderParams(); | ||
| /** error messages that contain %s require reading location.search */ | ||
| const hasParams = errorMessage?.includes('%s'); | ||
| const [message, setMessage] = useState<React.ReactNode | null>(() => | ||
| errorMessage ? urlify(errorMessage) : null | ||
| ); | ||
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| const [isReady, setIsReady] = useState(errorMessage == null || !hasParams); | ||
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| useEffect(() => { | ||
| if (errorMessage == null || !hasParams) { | ||
| return; | ||
| } | ||
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| setMessage( | ||
| urlify( | ||
| replaceArgs( | ||
| errorMessage, | ||
| parseQueryString(window.location.search), | ||
| '[missing argument]' | ||
| ) | ||
| ) | ||
| ); | ||
| setIsReady(true); | ||
| }, [hasParams, errorMessage]); | ||
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| return ( | ||
| <code | ||
| className={cn( | ||
| 'block bg-red-100 text-red-600 py-4 px-6 mt-5 rounded-lg', | ||
| isReady ? 'opacity-100' : 'opacity-0' | ||
| )}> | ||
| <b>{message}</b> | ||
| </code> | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <Intro> | ||
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| In the minified production build of React, we avoid sending down full error messages in order to reduce the number of bytes sent over the wire. | ||
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| </Intro> | ||
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| We highly recommend using the development build locally when debugging your app since it tracks additional debug info and provides helpful warnings about potential problems in your apps, but if you encounter an exception while using the production build, this page will reassemble the original error message. | ||
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| The full text of the error you just encountered is: | ||
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| <ErrorDecoder /> | ||
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| This error occurs when you pass a BigInt value from a Server Component to a Client Component. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| <Intro> | ||
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| In the minified production build of React, we avoid sending down full error messages in order to reduce the number of bytes sent over the wire. | ||
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| </Intro> | ||
|
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| We highly recommend using the development build locally when debugging your app since it tracks additional debug info and provides helpful warnings about potential problems in your apps, but if you encounter an exception while using the production build, this page will reassemble the original error message. | ||
|
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| The full text of the error you just encountered is: | ||
|
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| <ErrorDecoder /> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| <Intro> | ||
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| In the minified production build of React, we avoid sending down full error messages in order to reduce the number of bytes sent over the wire. | ||
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| </Intro> | ||
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| We highly recommend using the development build locally when debugging your app since it tracks additional debug info and provides helpful warnings about potential problems in your apps, but if you encounter an exception while using the production build, the error message will include just a link to the docs for the error. | ||
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| For an example, see: [https://react.dev/errors/149](/errors/421). |
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