feat: Next.js 13 RSC integration #139
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@@ -2,3 +2,4 @@ | |
| .DS_Store | ||
| node_modules | ||
| dist | ||
| .vscode | ||
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| require('eslint-config-molindo/setupPlugins'); | ||
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| module.exports = { | ||
| extends: [ | ||
| 'molindo/typescript', | ||
| 'molindo/react', | ||
| 'plugin:@next/next/recommended' | ||
| ], | ||
| rules: { | ||
| 'react/react-in-jsx-scope': 'off', | ||
| 'jsx-a11y/anchor-is-valid': 'off', | ||
| 'react/display-name': 'off' | ||
| } | ||
| }; |
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| /.next/ | ||
| .DS_Store | ||
| tsconfig.tsbuildinfo | ||
| .vscode | ||
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| @@ -1,6 +1,3 @@ | ||
| module.exports = { | ||
| experimental: {appDir: true} | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| 'use client'; | ||
| import {NextIntlProvider} from 'next-intl'; | ||
| import {ReactNode} from 'react'; | ||
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| type Props = { | ||
| children: ReactNode; | ||
| locale: string; | ||
| }; | ||
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| export default function Provider({children, locale}: Props) { | ||
| console.log('Provider'); | ||
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| // return children; | ||
| return <NextIntlProvider locale={locale}>{children}</NextIntlProvider>; | ||
| } |
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| import 'server-only'; | ||
| import {createServerContext} from 'react'; | ||
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| // This is always passed to the client, regardless of if it's read from a client component! | ||
| // Interestingly the module code is not there, but the context value. | ||
| const ServerOnlyContext = createServerContext('serverOnly', 'initialValue'); | ||
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| export default ServerOnlyContext; |
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| @@ -0,0 +1,48 @@ | ||
| import Storage from '../../utils/Storage'; | ||
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| export function generateStaticParams() { | ||
| return ['de', 'en'].map((locale) => ({locale})); | ||
| } | ||
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| type Props = { | ||
| params: { | ||
| locale: string; | ||
| }; | ||
| }; | ||
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| export default function Index({params: {locale}}: Props) { | ||
| const value = Storage.get(); | ||
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| return ( | ||
| <p> | ||
| Hello {locale} ({value.now}) | ||
| </p> | ||
| ); | ||
| } | ||
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| // import {useTranslations} from 'next-intl'; | ||
| // import LocaleSwitcher from 'components/LocaleSwitcher'; | ||
| // import PageLayout from 'components/PageLayout'; | ||
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| // import {useContext} from 'react'; | ||
| // import ServerOnlyContext from './ServerOnlyContext'; | ||
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| // export default function Index() { | ||
| // // TODO: Use middleware to redirect to a specific locale | ||
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| // const serverOnly = useContext(ServerOnlyContext); | ||
| // // const t = useTranslations('Index'); | ||
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| // console.log('Index'); | ||
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| // // return <p>{t('title')}</p>; | ||
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| // return <p>Hello {serverOnly.only.for.server + 10}</p>; | ||
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| // // return ( | ||
| // // <PageLayout title={t('title')}> | ||
| // // <p>{t('description')}</p> | ||
| // // <LocaleSwitcher /> | ||
| // // </PageLayout> | ||
| // // ); | ||
| // } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,31 @@ | ||
| import {ReactNode} from 'react'; | ||
| import Storage from '../utils/Storage'; | ||
| import ServerOnlyContext from './ServerOnlyContext'; | ||
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| type Props = { | ||
| children: ReactNode; | ||
| }; | ||
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| export default function RootLayout({children}: Props) { | ||
| const now = new Date().toISOString(); | ||
| Storage.set({now}); | ||
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| // How to get this from the URL? | ||
| // TODO: Validate locale or redirect to default locale | ||
| const locale = 'en'; | ||
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| return ( | ||
| <html lang={locale}> | ||
| <head> | ||
| <title>next-intl example</title> | ||
| </head> | ||
| <body> | ||
| <ServerOnlyContext.Provider value={{only: {for: {server: 42}}}}> | ||
| {/* <Provider locale={locale}> */} | ||
| {children} | ||
| {/* </Provider> */} | ||
| </ServerOnlyContext.Provider> | ||
| </body> | ||
| </html> | ||
| ); | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,4 @@ | ||
| export default { | ||
| locales: ['en', 'de'], | ||
| defaultLocale: 'en' | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,26 @@ | ||
| import acceptLanguageParser from 'accept-language-parser'; | ||
| import {headers} from 'next/headers'; | ||
| import {NextResponse} from 'next/server'; | ||
| import type {NextRequest} from 'next/server'; | ||
| import i18n from './i18n'; | ||
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| // Somehow not invoked? | ||
|
There was a problem hiding this comment. From a quick glance at the example WIP, the middleware doesn't seem to fire unless there is a "pages" folder as well. After that, it fires on both "pages" and "app" folders. There was a problem hiding this comment. Oh cool, thanks for figuring this out! Seems like a bug on the Next.js side. |
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| function resolveLocale(requestHeaders: Headers) { | ||
| const locale = | ||
| acceptLanguageParser.pick( | ||
| i18n.locales, | ||
| requestHeaders.get('accept-language') || i18n.defaultLocale | ||
| ) || i18n.defaultLocale; | ||
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| return locale; | ||
| } | ||
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| export function middleware(request: NextRequest) { | ||
| const locale = resolveLocale(headers()); | ||
| return NextResponse.redirect(new URL('/' + locale, request.url)); | ||
| } | ||
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| export const config = { | ||
| matcher: '/test' | ||
| }; | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,29 @@ | ||
| import {requestAsyncStorage} from 'next/dist/client/components/request-async-storage'; | ||
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| const key = '__next-intl'; | ||
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| /** | ||
| * Returns the request-level storage of Next.js where typically headers | ||
| * and cookies are stored. This is recreated for every request. | ||
| * | ||
| * This uses internal APIs of Next.js and may break in the future. | ||
| */ | ||
| function getStorage() { | ||
| const requestStore = | ||
| requestAsyncStorage && 'getStore' in requestAsyncStorage | ||
| ? requestAsyncStorage.getStore()! | ||
| : requestAsyncStorage; | ||
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| return requestStore; | ||
| } | ||
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| export default { | ||
| set(value: any) { | ||
| const storage = getStorage(); | ||
| (storage as any)[key] = value; | ||
| }, | ||
| get() { | ||
| const storage = getStorage(); | ||
| return (storage as any)[key]; | ||
| } | ||
| }; |
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Maybe wrap all pages under optional
[[locale]]then get usingparamshttps://beta.nextjs.org/docs/routing/defining-routes#example
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Hey and thank you for your interest! Yep, that seems to work, I've experimented with it here:
next-intl/packages/example/src/app/[locale]/page.tsx
Lines 11 to 15 in ccb9c8a
I think that part is doable, the part where I currently don't see an ergonomic solution is how global configuration like messages can be passed to the library (see the topic about context in the PR description).
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I've tried some workarounds,
1, Using singleton — Failed because for RSC, initializing on root layout requires 2 render to assign the
messagesobject.2. Using third-party state manager like zustand — Failed because of the same reason as number 1.
Probably the solution is gonna be around client component. To use in a server component we could provide utility component like
<T key='dashboard.hi' />. Performance-wise, next will also server-render client components so the downside is on developer experience. But won't be much I think.