fix: withastro#6131

.changeset/odd-owls-hide.md

@@ -0,0 +1,6 @@
+---
+'astro': patch
+'@astrojs/deno': patch
+---
+
+fix: Deno SSR with prerender=true complains about invalid URL scheme

packages/astro/src/core/build/vite-plugin-ssr.ts

@@ -34,7 +34,7 @@ export function vitePluginSSR(internals: BuildInternals, adapter: AstroAdapter):
 		},
 		load(id) {
 			if (id === resolvedVirtualModuleId) {
-				return `import * as adapter from '${adapter.serverEntrypoint}';
+				return `import * as _adapter from '${adapter.serverEntrypoint}';
 import * as _main from '${pagesVirtualModuleId}';
 import { deserializeManifest as _deserializeManifest } from 'astro/app';
 const _manifest = Object.assign(_deserializeManifest('${manifestReplace}'), {
@@ -45,7 +45,7 @@ const _args = ${adapter.args ? JSON.stringify(adapter.args) : 'undefined'};
 
 ${
 	adapter.exports
-		? `const _exports = adapter.createExports(_manifest, _args);
+		? `const _exports = _adapter.createExports(_manifest, _args);
 ${adapter.exports
 	.map((name) => {
 		if (name === 'default') {
@@ -59,11 +59,15 @@ export { _default as default };`;
 `
 		: ''
 }
-const _start = 'start';
-if(_start in adapter) {
-	adapter[_start](_manifest, _args);
-}`;
-			}
+export const adapter = _adapter;
+
+${adapter.name !== '@astrojs/deno' ? `
+	const _start = 'start';
+	if(_start in _adapter) {
+		_adapter[_start](_manifest, _args);
+	}`: 
+	''} `;
+}
 			return void 0;
 		},
 		async generateBundle(_opts, bundle) {

packages/integrations/deno/src/code-constant.ts

@@ -0,0 +1,2 @@
+export const DEFAULTIMPORT = `import { Server } from 'https://deno.land/std@0.132.0/http/server.ts';\n import { fetch } from 'https://deno.land/x/file_fetch/mod.ts';`
+export const DEFAULTSTART = `const _start = 'start'; \n if(_start in _adapter) { \n adapter[_start](_manifest, _args);}`

packages/integrations/deno/src/index.ts

@@ -3,6 +3,7 @@ import esbuild from 'esbuild';
 import * as fs from 'fs';
 import * as npath from 'path';
 import { fileURLToPath } from 'url';
+import * as CONSTANT from './code-constant'
 
 interface BuildConfig {
 	server: URL;
@@ -77,6 +78,8 @@ export default function createIntegration(args?: Options): AstroIntegration {
 			'astro:build:done': async () => {
 				const entryUrl = new URL(_buildConfig.serverEntry, _buildConfig.server);
 				const pth = fileURLToPath(entryUrl);
+				const content = await fs.readFileSync(pth, 'utf8')
+				await fs.writeFileSync(pth, `${CONSTANT.DEFAULTIMPORT}\n${content}\n${CONSTANT.DEFAULTSTART}`);
 				await esbuild.build({
 					target: 'es2020',
 					platform: 'browser',

packages/integrations/deno/src/server.ts

@@ -1,17 +1,14 @@
 // Normal Imports
 import type { SSRManifest } from 'astro';
 import { App } from 'astro/app';
-// @ts-ignore
-import { Server } from 'https://deno.land/std@0.132.0/http/server.ts';
-// @ts-ignore
-import { fetch } from 'https://deno.land/x/file_fetch/mod.ts';
 
 interface Options {
 	port?: number;
 	hostname?: string;
 	start?: boolean;
 }
 
+// @ts-ignore
 let _server: Server | undefined = undefined;
 let _startPromise: Promise<void> | undefined = undefined;
 
@@ -39,7 +36,11 @@ export function start(manifest: SSRManifest, options: Options) {
 		// try to fetch a static file instead
 		const url = new URL(request.url);
 		const localPath = new URL('./' + app.removeBase(url.pathname), clientRoot);
-		const fileResp = await fetch(localPath.toString());
+		const fileResp = await fetch(
+			localPath.toString().endsWith('client/')
+				? `${localPath.toString()}index.html`
+				: localPath.toString()
+		);
 
 		// If the static file can't be found
 		if (fileResp.status == 404) {
@@ -60,6 +61,7 @@ export function start(manifest: SSRManifest, options: Options) {
 	};
 
 	const port = options.port ?? 8085;
+	// @ts-ignore
 	_server = new Server({
 		port,
 		hostname: options.hostname ?? '0.0.0.0',