sumbit test code

packages/astro/src/core/preview/util.ts

@@ -1,12 +1,10 @@
-import { getNetworkAddress } from './get-network-address.js'
-
 export function getResolvedHostForHttpServer(host: string | boolean) {
 	if (host === false) {
 		// Use a secure default
 		return 'localhost';
 	} else if (host === true) {
 		// If passed --host in the CLI without arguments
-		return getNetworkAddress(); // undefined typically means 0.0.0.0 or :: (listen on all IPs)
+		return undefined; // undefined typically means 0.0.0.0 or :: (listen on all IPs)
 	} else {
 		return host;
 	}
@@ -19,4 +17,3 @@ export function stripBase(path: string, base: string): string {
 	const baseWithSlash = base.endsWith('/') ? base : base + '/';
 	return path.replace(RegExp('^' + baseWithSlash), '/');
 }
-

packages/integrations/node/package.json

@@ -30,6 +30,7 @@
     "build": "astro-scripts build \"src/**/*.ts\" && tsc",
     "build:ci": "astro-scripts build \"src/**/*.ts\"",
     "dev": "astro-scripts dev \"src/**/*.ts\"",
+    "t": "mocha --exit --timeout 20000 test/url-protocol.test.js",
     "test": "mocha --exit --timeout 20000 test/"
   },
   "dependencies": {

packages/integrations/node/src/preview.ts

@@ -2,6 +2,7 @@ import type { CreatePreviewServer } from 'astro';
 import type http from 'node:http';
 import { fileURLToPath } from 'node:url';
 import { createServer } from './http-server.js';
+import { getNetworkAddress } from './get-network-address.js'
 import type { createExports } from './server';
 
 const preview: CreatePreviewServer = async function ({
@@ -58,6 +59,10 @@ const preview: CreatePreviewServer = async function ({
 		return pathname;
 	}
 
+	if (!host){
+		host = getNetworkAddress()
+	}
+
 	const server = createServer(
 		{
 			client,

packages/integrations/node/test/fixtures/url-protocol/package.json

@@ -5,5 +5,9 @@
   "dependencies": {
     "astro": "workspace:*",
     "@astrojs/node": "workspace:*"
+  },
+  "scripts": {
+    "build": "astro build",
+    "preview": "astro preview"
   }
 }