Fix usage of the Image component with the Vercel adapter

.changeset/tidy-shoes-yawn.md

@@ -0,0 +1,6 @@
+---
+'@astrojs/image': patch
+'@astrojs/vercel': patch
+---
+
+Allows @astrojs/image to be used in Vercel SSR

packages/integrations/image/src/index.ts

@@ -11,6 +11,12 @@ export { getPicture } from './lib/get-picture.js';
 
 const PKG_NAME = '@astrojs/image';
 const ROUTE_PATTERN = '/_image';
+const UNSUPPORTED_ADAPTERS = new Set([
+	'@astrojs/cloudflare',
+	'@astrojs/deno',
+	'@astrojs/netlify/edge-functions',
+	'@astrojs/vercel/edge',
+]);
 
 interface BuildConfig {
 	client: URL;
@@ -100,6 +106,13 @@ export default function integration(options: IntegrationOptions = {}): AstroInte
 				_buildConfig = config.build;
 			},
 			'astro:build:start': ({ buildConfig }) => {
+				const adapterName = _config.adapter?.name;
+				if (adapterName && UNSUPPORTED_ADAPTERS.has(adapterName)) {
+					throw new Error(
+						`@astrojs/image is not supported with the ${adapterName} adapter. Please choose a Node.js compatible adapter.`
+					);
+				}
+
 				// Backwards compat
 				if (needsBuildConfig) {
 					_buildConfig = buildConfig;
@@ -158,7 +171,7 @@ export default function integration(options: IntegrationOptions = {}): AstroInte
 			},
 			'astro:build:ssr': async () => {
 				if (resolvedOptions.serviceEntryPoint === '@astrojs/image/squoosh') {
-					await copyWasmFiles(_buildConfig.server);
+					await copyWasmFiles(new URL('./chunks/', _buildConfig.server));
 				}
 			},
 		},

packages/integrations/image/src/loaders/squoosh.ts

@@ -3,11 +3,12 @@ import { red } from 'kleur/colors';
 import { error } from '../utils/logger.js';
 import { metadata } from '../utils/metadata.js';
 import { isRemoteImage } from '../utils/paths.js';
-import { processBuffer } from '../vendor/squoosh/image-pool.js';
 import type { Operation } from '../vendor/squoosh/image.js';
 import type { OutputFormat, TransformOptions } from './index.js';
 import { BaseSSRService } from './index.js';
 
+const imagePoolModulePromise = import('../vendor/squoosh/image-pool.js');
+
 class SquooshService extends BaseSSRService {
 	async processAvif(image: any, transform: TransformOptions) {
 		const encodeOptions = transform.quality
@@ -112,7 +113,7 @@ class SquooshService extends BaseSSRService {
 			});
 			throw new Error(`Unknown image output: "${transform.format}" used for ${transform.src}`);
 		}
-
+		const { processBuffer } = await imagePoolModulePromise;
 		const data = await processBuffer(inputBuffer, operations, transform.format, transform.quality);
 
 		return {

packages/integrations/image/src/vendor/squoosh/image-pool.ts

@@ -1,5 +1,6 @@
 import { isMainThread } from 'node:worker_threads';
 import { cpus } from 'os';
+import { fileURLToPath } from 'url';
 import type { OutputFormat } from '../../loaders/index.js';
 import execOnce from '../../utils/execOnce.js';
 import WorkerPool from '../../utils/workerPool.js';
@@ -12,7 +13,7 @@ const getWorker = execOnce(
 			// There will be at most 7 workers needed since each worker will take
       // at least 1 operation type.
       Math.max(1, Math.min(cpus().length - 1, 7)),
-			'./node_modules/@astrojs/image/dist/vendor/squoosh/image-pool.js'
+			fileURLToPath(import.meta.url)
 		);
 	}
 )

packages/integrations/vercel/package.json

@@ -45,7 +45,8 @@
   },
   "dependencies": {
     "@astrojs/webapi": "^1.1.1",
-    "@vercel/nft": "^0.22.1"
+    "@vercel/nft": "^0.22.1",
+    "fast-glob": "^3.2.11"
   },
   "devDependencies": {
     "astro": "workspace:*",

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

@@ -3,6 +3,8 @@ import type { AstroAdapter, AstroConfig, AstroIntegration } from 'astro';
 import { getVercelOutput, removeDir, writeJson } from '../lib/fs.js';
 import { copyDependenciesToFunction } from '../lib/nft.js';
 import { getRedirects } from '../lib/redirects.js';
+import glob from 'fast-glob';
+import { pathToFileURL } from 'url';
 
 const PACKAGE_NAME = '@astrojs/vercel/serverless';
 
@@ -66,11 +68,28 @@ export default function vercelServerless({
 				}
 			},
 			'astro:build:done': async ({ routes }) => {
+				// Merge any includes from `vite.assetsInclude
+				const inc = includeFiles?.map((file) => new URL(file, _config.root)) || [];
+				if(_config.vite.assetsInclude) {
+					const mergeGlobbedIncludes = (globPattern: unknown) => {
+						if(typeof globPattern === 'string') {
+							const entries = glob.sync(globPattern).map(p => pathToFileURL(p));
+							inc.push(...entries);
+						} else if(Array.isArray(globPattern)) {
+							for(const pattern of globPattern) {
+								mergeGlobbedIncludes(pattern);
+							}
+						}
+					};
+
+					mergeGlobbedIncludes(_config.vite.assetsInclude);
+				}
+
 				// Copy necessary files (e.g. node_modules/)
 				const { handler } = await copyDependenciesToFunction({
 					entry: new URL(serverEntry, buildTempFolder),
 					outDir: functionFolder,
-					includeFiles: includeFiles?.map((file) => new URL(file, _config.root)) || [],
+					includeFiles: inc,
 					excludeFiles: excludeFiles?.map((file) => new URL(file, _config.root)) || [],
 				});