internal static bool ShouldFallback(this HttpContext context, SpaFallbackOptions options)
{
if (context.Response.HasStarted)
{
return(false);
}
if (context.Response.StatusCode != StatusCodes.Status404NotFound)
{
return(false);
}
if (!IsGet(context.Request.Method))
{
return(false);
}
// Fallback only on "hard" 404s, i.e. when the request reached the marker middleware.
if (!context.Items.ContainsKey(MarkerKey))
{
return(false);
}
if (HasFileExtension(context.Request.Path))
{
return(options.AllowFileExtensions);
}
return(true);
}
internal static bool ShouldThrow(this HttpContext context, SpaFallbackOptions options)
{
return(context.Response.StatusCode == StatusCodes.Status404NotFound && options.ThrowIfFallbackFails);
}
