public DefaultSpaBuilder(IApplicationBuilder applicationBuilder, MulitSpaOptions options)
{
ApplicationBuilder = applicationBuilder
?? throw new ArgumentNullException(nameof(applicationBuilder));
Options = options
?? throw new ArgumentNullException(nameof(options));
}
/// <summary>
/// Handles all requests from this point in the middleware chain by returning
/// the default page for the Single Page Application (SPA).
///
/// This middleware should be placed late in the chain, so that other middleware
/// for serving static files, MVC actions, etc., takes precedence.
/// </summary>
/// <param name="app">The <see cref="IApplicationBuilder"/>.</param>
/// <param name="configuration">
/// This callback will be invoked so that additional middleware can be registered within
/// the context of this SPA.
/// </param>
public static void UseMulitSpa(this IApplicationBuilder app, Action <IMulitSpaBuilder> configuration)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
// Use the options configured in DI (or blank if none was configured). We have to clone it
// otherwise if you have multiple UseSpa calls, their configurations would interfere with one another.
var optionsProvider = app.ApplicationServices.GetService <IOptions <MulitSpaOptions> >();
var options = new MulitSpaOptions(optionsProvider.Value);
var spaBuilder = new DefaultSpaBuilder(app, options);
configuration.Invoke(spaBuilder);
SpaDefaultPageMiddleware.Attach(spaBuilder);
}
/// <summary>
/// Constructs a new instance of <see cref="MulitSpaOptions"/>.
/// </summary>
/// <param name="copyFromOptions">An instance of <see cref="MulitSpaOptions"/> from which values should be copied.</param>
internal MulitSpaOptions(MulitSpaOptions copyFromOptions)
{
_defaultPage = copyFromOptions.DefaultPage;
DefaultPageStaticFileOptions = copyFromOptions.DefaultPageStaticFileOptions;
SourcePath = copyFromOptions.SourcePath;
}