fix: exclude server files from optimizeDeps.entries (#12242)

* exclude server files from optimizeDeps.entries

* fix glob to exclude +server.js and fix tests

* changeset

* Revert "fix glob to exclude +server.js and fix tests"

This reverts commit c778f78.

* review suggestions

* remove dot

* Update index.js

---------

Co-authored-by: Simon H <[email protected]>

Author: gtm-nayan

.changeset/flat-hairs-love.md

@@ -0,0 +1,5 @@
+---
+"@sveltejs/kit": patch
+---
+
+fix: exclude server files from optimizeDeps.entries

packages/kit/src/exports/vite/index.js

@@ -293,7 +293,10 @@ async function kit({ svelte_config }) {
 					cors: { preflightContinue: true }
 				},
 				optimizeDeps: {
-					entries: [`${kit.files.routes}/**/+*.{svelte,js,ts}`],
+					entries: [
+						`${kit.files.routes}/**/+*.{svelte,js,ts}`,
+						`!${kit.files.routes}/**/+*server.*`
+					],
 					exclude: [
 						'@sveltejs/kit',
 						// exclude kit features so that libraries using them work even when they are prebundled

packages/kit/test/apps/dev-only/test/test.js

@@ -107,14 +107,14 @@ test.describe('Vite', () => {
 		expect(manifest).toHaveProperty('optimized.e2e-test-dep-page-universal');
 	});
 
-	test('optimizes +page.server.js dependencies', async ({ page }) => {
+	test('skips optimizing +page.server.js dependencies', async ({ page }) => {
 		await page.goto('/');
 		await page.getByText('hello world!').waitFor();
 
 		const manifest_path = path.join(__dirname, '../node_modules/.vite/deps/_metadata.json');
 		const manifest = JSON.parse(fs.readFileSync(manifest_path, 'utf-8'));
 
-		expect(manifest).toHaveProperty('optimized.e2e-test-dep-page-server');
+		expect(manifest).not.toHaveProperty('optimized.e2e-test-dep-page-server');
 	});
 
 	test('optimizes +layout.svelte dependencies', async ({ page }) => {
@@ -137,14 +137,14 @@ test.describe('Vite', () => {
 		expect(manifest).toHaveProperty('optimized.e2e-test-dep-layout-universal');
 	});
 
-	test('optimizes +layout.server.js dependencies', async ({ page }) => {
+	test('skips optimizing +layout.server.js dependencies', async ({ page }) => {
 		await page.goto('/');
 		await page.getByText('hello world!').waitFor();
 
 		const manifest_path = path.join(__dirname, '../node_modules/.vite/deps/_metadata.json');
 		const manifest = JSON.parse(fs.readFileSync(manifest_path, 'utf-8'));
 
-		expect(manifest).toHaveProperty('optimized.e2e-test-dep-layout-server');
+		expect(manifest).not.toHaveProperty('optimized.e2e-test-dep-layout-server');
 	});
 
 	test('optimizes +error.svelte dependencies', async ({ page }) => {