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-rw-r--r--.changeset/swift-papayas-kiss.md5
-rw-r--r--packages/astro/src/core/preview/index.ts7
-rw-r--r--packages/astro/test/fixtures/ssr-preview/package.json8
-rw-r--r--packages/astro/test/fixtures/ssr-preview/preview.mjs8
-rw-r--r--packages/astro/test/fixtures/ssr-preview/src/pages/index.astro8
-rw-r--r--packages/astro/test/ssr-preview.test.js22
-rw-r--r--packages/astro/test/test-adapter.js3
-rw-r--r--pnpm-lock.yaml16
8 files changed, 69 insertions, 8 deletions
diff --git a/.changeset/swift-papayas-kiss.md b/.changeset/swift-papayas-kiss.md
new file mode 100644
index 000000000..d7681461d
--- /dev/null
+++ b/.changeset/swift-papayas-kiss.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix astro preview not working on Windows
diff --git a/packages/astro/src/core/preview/index.ts b/packages/astro/src/core/preview/index.ts
index 818ac90fd..ea8eef1e1 100644
--- a/packages/astro/src/core/preview/index.ts
+++ b/packages/astro/src/core/preview/index.ts
@@ -1,5 +1,6 @@
import type { AstroTelemetry } from '@astrojs/telemetry';
import { createRequire } from 'module';
+import { pathToFileURL } from 'url';
import type { AstroSettings, PreviewModule, PreviewServer } from '../../@types/astro';
import { runHookConfigDone, runHookConfigSetup } from '../../integrations/index.js';
import type { LogOptions } from '../logger/core';
@@ -41,9 +42,11 @@ export default async function preview(
// don't treat this as a dependency of Astro itself. This correctly resolves the
// preview entrypoint of the integration package, relative to the user's project root.
const require = createRequire(settings.config.root);
- const previewEntrypoint = require.resolve(settings.adapter.previewEntrypoint);
+ const previewEntrypointUrl = pathToFileURL(
+ require.resolve(settings.adapter.previewEntrypoint)
+ ).href;
- const previewModule = (await import(previewEntrypoint)) as Partial<PreviewModule>;
+ const previewModule = (await import(previewEntrypointUrl)) as Partial<PreviewModule>;
if (typeof previewModule.default !== 'function') {
throw new Error(`[preview] ${settings.adapter.name} cannot preview your app.`);
}
diff --git a/packages/astro/test/fixtures/ssr-preview/package.json b/packages/astro/test/fixtures/ssr-preview/package.json
new file mode 100644
index 000000000..667d61876
--- /dev/null
+++ b/packages/astro/test/fixtures/ssr-preview/package.json
@@ -0,0 +1,8 @@
+{
+ "name": "@test/ssr-preview",
+ "version": "0.0.0",
+ "private": true,
+ "dependencies": {
+ "astro": "workspace:*"
+ }
+}
diff --git a/packages/astro/test/fixtures/ssr-preview/preview.mjs b/packages/astro/test/fixtures/ssr-preview/preview.mjs
new file mode 100644
index 000000000..745f22624
--- /dev/null
+++ b/packages/astro/test/fixtures/ssr-preview/preview.mjs
@@ -0,0 +1,8 @@
+export default () => {
+ // noop
+ return {
+ port: 3000,
+ closed() {},
+ stop() {}
+ }
+}
diff --git a/packages/astro/test/fixtures/ssr-preview/src/pages/index.astro b/packages/astro/test/fixtures/ssr-preview/src/pages/index.astro
new file mode 100644
index 000000000..ec8925686
--- /dev/null
+++ b/packages/astro/test/fixtures/ssr-preview/src/pages/index.astro
@@ -0,0 +1,8 @@
+<html lang="en">
+ <head>
+ <title>Astro</title>
+ </head>
+ <body>
+ Hello
+ </body>
+</html>
diff --git a/packages/astro/test/ssr-preview.test.js b/packages/astro/test/ssr-preview.test.js
new file mode 100644
index 000000000..d4b63ea53
--- /dev/null
+++ b/packages/astro/test/ssr-preview.test.js
@@ -0,0 +1,22 @@
+import { loadFixture } from './test-utils.js';
+import testAdapter from './test-adapter.js';
+
+describe('SSR Preview', () => {
+ /** @type {import('./test-utils').Fixture} */
+ let fixture;
+
+ before(async () => {
+ fixture = await loadFixture({
+ root: './fixtures/ssr-preview/',
+ output: 'server',
+ adapter: testAdapter({ extendAdapter: { previewEntrypoint: './preview.mjs' } }),
+ });
+ await fixture.build();
+ });
+
+ it('preview server works', async () => {
+ /** @type {import('./test-utils').PreviewServer} */
+ const previewServer = await fixture.preview();
+ await previewServer.stop();
+ });
+});
diff --git a/packages/astro/test/test-adapter.js b/packages/astro/test/test-adapter.js
index 64bf85336..4faa9a7c6 100644
--- a/packages/astro/test/test-adapter.js
+++ b/packages/astro/test/test-adapter.js
@@ -4,7 +4,7 @@ import { viteID } from '../dist/core/util.js';
*
* @returns {import('../src/@types/astro').AstroIntegration}
*/
-export default function ({ provideAddress } = { provideAddress: true }) {
+export default function ({ provideAddress = true, extendAdapter } = { provideAddress: true }) {
return {
name: 'my-ssr-adapter',
hooks: {
@@ -66,6 +66,7 @@ export default function ({ provideAddress } = { provideAddress: true }) {
name: 'my-ssr-adapter',
serverEntrypoint: '@my-ssr',
exports: ['manifest', 'createApp'],
+ ...extendAdapter,
});
},
},
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f074dd23d..faf1e2c06 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2276,6 +2276,12 @@ importers:
'@astrojs/partytown': link:../../../../integrations/partytown
astro: link:../../..
+ packages/astro/test/fixtures/ssr-preview:
+ specifiers:
+ astro: workspace:*
+ dependencies:
+ astro: link:../../..
+
packages/astro/test/fixtures/ssr-redirect:
specifiers:
astro: workspace:*
@@ -3831,7 +3837,7 @@ packages:
'@astro-community/astro-embed-twitter': 0.1.3_astro@packages+astro
'@astro-community/astro-embed-vimeo': 0.1.1_astro@packages+astro
'@astro-community/astro-embed-youtube': 0.2.1_astro@packages+astro
- astro: link:packages/astro
+ astro: link:packages\astro
unist-util-select: 4.0.1
dev: false
@@ -3841,7 +3847,7 @@ packages:
astro: ^1.0.0-beta.10
dependencies:
'@astro-community/astro-embed-utils': 0.0.3
- astro: link:packages/astro
+ astro: link:packages\astro
dev: false
/@astro-community/astro-embed-utils/0.0.3:
@@ -3853,7 +3859,7 @@ packages:
peerDependencies:
astro: ^1.0.0-beta.10
dependencies:
- astro: link:packages/astro
+ astro: link:packages\astro
lite-vimeo-embed: 0.1.0
dev: false
@@ -3862,7 +3868,7 @@ packages:
peerDependencies:
astro: ^1.0.0-beta.10
dependencies:
- astro: link:packages/astro
+ astro: link:packages\astro
lite-youtube-embed: 0.2.0
dev: false
@@ -10594,7 +10600,7 @@ packages:
'@astro-community/astro-embed-twitter': 0.1.3_astro@packages+astro
'@astro-community/astro-embed-vimeo': 0.1.1_astro@packages+astro
'@astro-community/astro-embed-youtube': 0.2.1_astro@packages+astro
- astro: link:packages/astro
+ astro: link:packages\astro
dev: false
/async-sema/3.1.1:
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-19 22:14:23 +0000