Fix dev resolution of client modules on Windows (#2768)

* Fix dev resolution of client modules on Windows

* Adds a changeset

2 files changed, 7 insertions, 1 deletions

diff --git a/.changeset/strange-kings-add.md b/.changeset/strange-kings-add.md
new file mode 100644
index 000000000..baf354513
--- /dev/null
+++ b/.changeset/strange-kings-add.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes loading astro/client/\* on Windows in dev
diff --git a/packages/astro/src/core/render/dev/index.ts b/packages/astro/src/core/render/dev/index.ts
index c3bf8cb5f..e44ff3072 100644
--- a/packages/astro/src/core/render/dev/index.ts
+++ b/packages/astro/src/core/render/dev/index.ts
@@ -8,6 +8,7 @@ import { RouteCache } from '../route-cache.js';
 import { resolveRenderers } from './renderers.js';
 import { errorHandler } from './error.js';
 import { getHmrScript } from './hmr.js';
+import { prependForwardSlash } from '../../path.js';
 import { render as coreRender } from '../core.js';
 import { createModuleScriptElementWithSrcSet } from '../ssr-element.js';
 
@@ -103,7 +104,7 @@ export async function render(renderers: Renderer[], mod: ComponentInstance, ssrO
 			// broken in the legacy build. This can be removed once the legacy build is removed.
 			if (!astroConfig.buildOptions.legacyBuild) {
 				const [, resolvedPath] = await viteServer.moduleGraph.resolveUrl(s);
-				return resolvedPath;
+				return '/@fs' + prependForwardSlash(resolvedPath);
 			} else {
 				return s;
 			}