Merge branch 'main' into next

Author: Princesseuh

.changeset/weak-dancers-beam.md

@@ -0,0 +1,20 @@
+---
+'@astrojs/vercel': minor
+---
+
+Deprecates the `functionPerRoute` option
+
+This option is now deprecated, and will be removed entirely in Astro v5.0. We suggest removing this option from your configuration as soon as you are able to:
+
+```diff
+import { defineConfig } from 'astro/config';
+import vercel from '@astrojs/vercel/serverless';
+
+export default defineConfig({
+  // ...
+  output: 'server',
+  adapter: vercel({
+-     functionPerRoute: true,
+  }),
+});
+```

package.json

@@ -30,7 +30,7 @@
     "test:smoke:example": "turbo run build --concurrency=100% --filter=\"@example/*\"",
     "test:smoke:docs": "turbo run build --filter=docs",
     "test:check-examples": "node ./scripts/smoke/check.js",
-    "test:vite-ci": "turbo run test --filter=astro",
+    "test:vite-ci": "cd packages/astro && pnpm run test:node",
     "test:e2e": "cd packages/astro && pnpm playwright install chromium firefox && pnpm run test:e2e",
     "test:e2e:match": "cd packages/astro && pnpm playwright install chromium firefox && pnpm run test:e2e:match",
     "test:e2e:hosts": "turbo run test:hosted",

packages/integrations/vercel/src/serverless/adapter.ts

@@ -134,7 +134,10 @@ export interface VercelServerlessConfig {
 	/** Whether to create the Vercel Edge middleware from an Astro middleware in your code base. */
 	edgeMiddleware?: boolean;
 
-	/** Whether to split builds into a separate function for each route. */
+	/**
+	 * Whether to split builds into a separate function for each route.
+	 * @deprecated `functionPerRoute` is deprecated and will be removed in the next major release of the adapter.
+	 */
 	functionPerRoute?: boolean;
 
 	/** The maximum duration (in seconds) that Serverless Functions can run before timing out. See the [Vercel documentation](https://vercel.com/docs/functions/serverless-functions/runtimes#maxduration) for the default and maximum limit for your account plan. */
@@ -286,6 +289,11 @@ export default function vercelServerless({
 							`\tMake sure to check your plan carefully to avoid incurring additional costs.\n` +
 							`\tYou can set functionPerRoute: false to prevent surpassing the limit.\n`,
 					);
+
+					logger.warn(
+						`\n` +
+							`\t\`functionPerRoute\` is deprecated and will be removed in a future version of the adapter.\n`,
+					);
 				}
 
 				setAdapter(