feat(core): add routePattern to GetStaticPathsOptions

.changeset/little-sheep-hear.md

@@ -0,0 +1,5 @@
+---
+'astro': minor
+---
+
+Add `routePattern` to `GetStaticPathsOptions`

packages/astro/src/core/render/route-cache.ts

@@ -60,6 +60,7 @@ export async function callGetStaticPaths({
 		// Q: Why the cast?
 		// A: So users downstream can have nicer typings, we have to make some sacrifice in our internal typings, which necessitate a cast here
 		paginate: generatePaginateFunction(route, base) as PaginateFunction,
+		routePattern: route.route,
 	});
 
 	validateGetStaticPathsResult(staticPaths, logger, route);

packages/astro/src/types/public/common.ts

@@ -9,6 +9,7 @@ import type { APIContext } from './context.js';
  */
 export interface GetStaticPathsOptions {
 	paginate: PaginateFunction;
+	routePattern: string;
 }
 
 export type GetStaticPathsItem = {