Is there a way to return 404 page if using default prefix in url?

[websorokinweb]

Desired behaviour:
domain.com - handles pages with default locale (ua)
domain.com/ua - returns 404

Is that even possible without redirect?

My next config:
i18n: {
locales: ['ua', 'en'],
localeDetection: false,
defaultLocale: 'ua',
},

[Baryonae]

i guess this would help?
https://nextjs.org/docs/pages/building-your-application/routing/custom-error

[websorokinweb]

I am using /pages router

[websorokinweb]

@Avi98 I don't get it. Whenever it's domain.com or domain.com/ua I just get domain.com/ua in nextUrl

[Baryonae]

well you should update to app routing, u got a advantage there like if you create a folder like app/ua and put a loading file there like app/ua/404.tsx ig it should show the page whenever you go to a unknown directory in the /ua
more info in the doc I sent

[Avi98]

@websorokinweb sorry for the late reply. AFAIK you are trying to return custom 404 page for all the routes that matches ua/**.
Can we use nextjs middleware to check for the request.path using req.nextUrl.pathname.startsWith('ua/') and if there is match we can redirect using NextResponse.redirect(new URL('/my-custom-404', request.url)).

please correct me if I'm wrong or missing anything

[websorokinweb]

It isn't so easy unfortunately: when I type in address domain.com or domain.com/ua I get it middleware as domain.com/ua either.

@Baryonae It is too much work to switch into app router unfortunately. But your solution might work