app library

Classes

Blob: Native detached binary large object.
ErrorRoute: Binds an error handler to a route path and optional method.
Event: Request-scoped context passed to routes, middleware, and error handlers.
File: File metadata wrapper over Blob.
FormData
Headers
MiddlewareRoute: Binds middleware to a route path and optional method.
Request: Native request contract shell aligned with the MDN Request surface.
RequestContext: Adds per-request controls on top of the shared lifecycle context.
RequestInit: Initialization options for Request, aligned with the MDN Fetch RequestInit surface.
Response
ResponseInit
RuntimeCapabilities: Describes which runtime-backed features are available to a server instance.
RuntimeInfo: Identifies a runtime family and the role it is performing.
ServerLifecycleContext: Carries runtime metadata shared by lifecycle hooks and request handling.
Spry: A Spry application with routes, middleware, and error handlers.
URLSearchParams: Query parameter collection compatible with the MDN URLSearchParams model.

defineHandler(Handler handler, {Iterable<Middleware> middleware = const [], ErrorHandler? onError}) → Handler: Defines a route handler with local middleware and error handling.
servePublicAsset(Request request, RequestContext context, {String? publicDir, Uri? requestUri}) → Future<Response?>: Resolves and serves a static asset for the incoming request.

ErrorHandler = FutureOr<Response> Function(Object error, StackTrace stackTrace, Event event): Handles an error raised while processing a request.
Handler = FutureOr<Response> Function(Event event): Handles a matched route request.
Middleware = FutureOr<Response> Function(Event event, Next next): Intercepts a request before the final route handler runs.
Next = Future<Response> Function(): Continues execution to the next middleware or route handler.
RouteHandlers = Map<HttpMethod?, Handler>: Route handlers keyed by HTTP method.