chore: remove unused code (#1989)

web/middleware.ts

@@ -1,44 +0,0 @@
-import { match } from '@formatjs/intl-localematcher'
-import Negotiator from 'negotiator'
-import { NextResponse } from 'next/server'
-import type { NextRequest } from 'next/server'
-import type { Locale } from './i18n'
-import { i18n } from './i18n'
-
-export const getLocale = (request: NextRequest): Locale => {
-  // @ts-expect-error locales are readonly
-  const locales: Locale[] = i18n.locales
-
-  let languages: string[] | undefined
-  // get locale from cookie
-  const localeCookie = request.cookies.get('locale')
-  languages = localeCookie?.value ? [localeCookie.value] : []
-
-  if (!languages.length) {
-    // Negotiator expects plain object so we need to transform headers
-    const negotiatorHeaders: Record<string, string> = {}
-    request.headers.forEach((value, key) => (negotiatorHeaders[key] = value))
-    // Use negotiator and intl-localematcher to get best locale
-    languages = new Negotiator({ headers: negotiatorHeaders }).languages()
-  }
-
-  // match locale
-  let matchedLocale: Locale = i18n.defaultLocale
-  try {
-    // If languages is ['*'], Error would happen in match function.
-    matchedLocale = match(languages, locales, i18n.defaultLocale) as Locale
-  }
-  catch (e) {}
-  return matchedLocale
-}
-
-export const middleware = async (request: NextRequest) => {
-  const pathname = request.nextUrl.pathname
-  if (/\.(css|js(on)?|ico|svg|png)$/.test(pathname))
-    return
-
-  const locale = getLocale(request)
-  const response = NextResponse.next()
-  response.cookies.set('locale', locale)
-  return response
-}