Function redirectBack

  • redirectBack(
        request: Request,
        __namedParameters: ResponseInit & { fallback: string },
    ): UNSAFE_DataWithResponseInit<never>

  • Create a new Response with a redirect set to the URL the user was before. It uses the Referer header to detect the previous URL. It asks for a fallback URL in case the Referer couldn't be found, this fallback should be a URL you may be ok the user to land to after an action even if it's not the same.

    Parameters

    • request: Request
    • __namedParameters: ResponseInit & { fallback: string }

    Returns UNSAFE_DataWithResponseInit<never>

    Example

    export async function action({ request }: ActionFunctionArgs) {
      await doSomething(request);
      // If the user was on `/search?query=something` we redirect to that URL
      // but if we couldn't we redirect to `/search`, which is an good enough
      // fallback
      return redirectBack(request, { fallback: "/search" });
    }

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