feat: Add APIRoute second generic (#9618)

Author: ivaaaaann

.changeset/fair-bottles-lie.md

@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Adds a second generic parameter to `APIRoute` to type the `params`

packages/astro/src/@types/astro.ts

@@ -2262,8 +2262,8 @@ type Routing = {
 	strategy: 'pathname';
 };
 
-export type APIRoute<Props extends Record<string, any> = Record<string, any>> = (
-	context: APIContext<Props>
+export type APIRoute<Props extends Record<string, any> = Record<string, any>, APIParams extends Record<string, string | undefined> = Record<string, string | undefined>> = (
+	context: APIContext<Props, APIParams>
 ) => Response | Promise<Response>;
 
 export interface EndpointHandler {