add rolldown-vite to test matrix, improve setup for kit-node test

Author: dominikg

.github/workflows/ci.yml

@@ -88,6 +88,10 @@ jobs:
           - node: 20.19
             os: ubuntu-latest
             vite: '6.3.0'
+          # future test with rolldown-vite
+          - node: 24
+            os: ubuntu-latest
+            vite: 'npm:rolldown-vite@latest'
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4

packages/e2e-tests/_test_dependencies/vite-plugins/index.js

@@ -63,7 +63,7 @@ export function writeResolvedConfig() {
 			};
 			const dir = path.join(config.root, 'logs', 'resolved-configs');
 			if (!fs.existsSync(dir)) {
-				fs.mkdirSync(dir);
+				fs.mkdirSync(dir, { recursive: true });
 			}
 			const filename = path.join(dir, `vite.config.${cmd}${config.build.ssr ? '.ssr' : ''}.json`);
 			fs.writeFileSync(filename, JSON.stringify(serializableConfig, replacer, '\t'), 'utf-8');

packages/e2e-tests/kit-node/.gitignore

@@ -6,3 +6,4 @@ node_modules
 #.env
 .env.*
 !.env.example
+logs

packages/e2e-tests/scan-deps/__tests__/scan-deps.spec.ts

@@ -3,10 +3,11 @@ import { describe, expect, it } from 'vitest';
 describe('vite import scan', () => {
 	it('should not fail to discover dependencies exported from script module', async () => {
 		// vite logs an error if scan fails but continues, so validate no errors logged
-		expect(
-			e2eServer.logs.server.err.length,
-			`unexpected errors:\n${e2eServer.logs.server.err.join('\n')}`
-		).toBe(0);
+		// rolldown-vite logs an error for optimizeDeps.esbuildOptions that is unrelated
+		const errorLogs = e2eServer.logs.server.err.filter(
+			(m) => !m.startsWith('You or a plugin you are using have set `optimizeDeps.esbuildOptions`')
+		);
+		expect(errorLogs.length, `unexpected errors:\n${errorLogs.join('\n')}`).toBe(0);
 	});
 	it('should work with exports from module context', async () => {
 		expect(await getText('#svelte5')).toBe('svelte5');

packages/e2e-tests/vitestSetup.ts

@@ -141,8 +141,11 @@ beforeAll(
 				if (fs.existsSync(tempViteCache)) {
 					await fs.rm(tempViteCache, { force: true, recursive: true });
 				}
-
-				await fs.mkdir(path.join(tempDir, 'logs'));
+				const logsDir = path.join(tempDir, 'logs');
+				if (fs.existsSync(logsDir)) {
+					fs.rmSync(logsDir, { recursive: true, force: true });
+				}
+				await fs.mkdir(logsDir);
 				const customServerScript = path.resolve(path.dirname(testPath), 'serve.js');
 				const defaultServerScript = path.resolve(e2eTestsRoot, 'e2e-server.js');
 				const hasCustomServer = fs.existsSync(customServerScript);