@using System.Globalization
@using Microsoft.AspNetCore.Localization
@code {
[CascadingParameter]
private HttpContext? HttpContext { get; set; }
// Pin whatever the middleware negotiated (Accept-Language, or the configured default) into the
// culture cookie on the very first visit. Without this the language picker would be the only
// thing that ever writes the cookie, so a reader whose browser asked for German would be served
// German until the moment they touched the picker — and the picker would open showing English.
protected override void OnInitialized() =>
HttpContext?.Response.Cookies.Append(
CookieRequestCultureProvider.DefaultCookieName,
CookieRequestCultureProvider.MakeCookieValue(
new RequestCulture(CultureInfo.CurrentCulture, CultureInfo.CurrentUICulture)),
new CookieOptions
{
Path = "/",
Expires = DateTimeOffset.UtcNow.AddYears(1),
SameSite = SameSiteMode.Lax,
HttpOnly = true,
IsEssential = true,
});
}