[fix] remove obsolete generated types correctly (#8149)

.changeset/fresh-files-study.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+[fix] remove obsolete generated types correctly

packages/kit/src/core/sync/write_types/index.js

@@ -49,7 +49,7 @@ export async function write_all_types(config, manifest_data) {
 		for (const file of walk(types_dir)) {
 			const dir = path.dirname(file);
 			if (!expected_directories.has(dir)) {
-				rimraf(file);
+				rimraf(path.join(types_dir, file));
 			}
 		}
 	}

packages/kit/src/utils/filesystem.js

@@ -83,6 +83,7 @@ export function copy(source, target, opts = {}) {
  * Get a list of all files in a directory
  * @param {string} cwd - the directory to walk
  * @param {boolean} [dirs] - whether to include directories in the result
+ * @returns {string[]} a list of all found files (and possibly directories) relative to `cwd`
  */
 export function walk(cwd, dirs = false) {
 	/** @type {string[]} */

packages/kit/test/prerendering/ssr-false/package.json

@@ -6,6 +6,7 @@
 		"dev": "vite dev",
 		"build": "vite build",
 		"preview": "vite preview",
+		"check": "svelte-kit sync && tsc && svelte-check",
 		"test": "svelte-kit sync && pnpm build && uvu test"
 	},
 	"devDependencies": {

packages/kit/test/prerendering/ssr-false/src/routes/not-prerenderable/+page.server.js

@@ -1 +1,3 @@
-export const actions = {};
+export const actions = {
+	default: () => {}
+};