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59 lines
1.5 KiB
TypeScript
59 lines
1.5 KiB
TypeScript
import { NextResponse } from 'next/server'
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import type { NextRequest } from 'next/server'
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import { match } from '@formatjs/intl-localematcher'
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import Negotiator from 'negotiator'
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import type { Locale, Theme } from '@/utils/constants'
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import {
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COOKIE_MAX_AGE,
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DEFAULT_LOCALE,
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DEFAULT_THEME,
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LOCALES,
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THEMES
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} from '@/utils/constants'
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export const middleware = (request: NextRequest): NextResponse => {
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const response = NextResponse.next()
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let locale = request.cookies.get('locale')?.value
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if (locale == null || !LOCALES.includes(locale as Locale)) {
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try {
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const headers = {
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'accept-language':
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request.headers.get('accept-language') ?? DEFAULT_LOCALE
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}
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const languages = new Negotiator({ headers }).languages()
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locale = match(languages, LOCALES.slice(), DEFAULT_LOCALE)
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} catch {
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locale = DEFAULT_LOCALE
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}
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response.cookies.set('locale', locale, {
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path: '/',
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maxAge: COOKIE_MAX_AGE
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})
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}
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const theme = request.cookies.get('theme')?.value
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if (theme == null || !THEMES.includes(theme as Theme)) {
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response.cookies.set('theme', DEFAULT_THEME, {
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path: '/',
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maxAge: COOKIE_MAX_AGE
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})
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}
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return response
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}
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export const config = {
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matcher: [
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/*
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* Match all request paths except for the ones starting with:
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* - api (API routes)
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* - _next/static (static files)
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* - _next/image (image optimization files)
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* - favicon.ico (favicon file)
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*/
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'/((?!api|_next/static|_next/image|favicon.ico).*)'
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]
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}
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