From 7b3c110bededaf1522d73469d2ec16e34bfc2a14 Mon Sep 17 00:00:00 2001
From: shulaoda <165626830+shulaoda@users.noreply.github.com>
Date: Fri, 3 Apr 2026 13:35:07 +0800
Subject: [PATCH 1/3] fix: make island CSS rewrite tests cross-platform

---
 .../void/test/unit/island-css-rewrite.test.ts | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/packages/void/test/unit/island-css-rewrite.test.ts b/packages/void/test/unit/island-css-rewrite.test.ts
index bf3e4a038..0e1fa0fd1 100644
--- a/packages/void/test/unit/island-css-rewrite.test.ts
+++ b/packages/void/test/unit/island-css-rewrite.test.ts
@@ -1,30 +1,35 @@
+import { resolve } from "node:path";
 import { describe, it, expect } from "vitest";
+import { normalizePath } from "vite";
 import { rewriteCssImportForVirtualModule } from "../../src/pages/islands-plugin";
 
+/** Resolve a POSIX-style absolute path to a platform-correct path with forward slashes. */
+const p = (posix: string) => normalizePath(resolve(posix));
+
 describe("rewriteCssImportForVirtualModule", () => {
   it("rewrites relative CSS import to absolute path", () => {
     const result = rewriteCssImportForVirtualModule(
       'import "./global.css"',
       "./global.css",
-      "/project/pages/layout.tsx",
+      p("/project/pages/layout.tsx"),
     );
-    expect(result).toBe('import "/project/pages/global.css";');
+    expect(result).toBe(`import "${p("/project/pages/global.css")}";`);
   });
 
   it("rewrites parent-relative CSS import to absolute path", () => {
     const result = rewriteCssImportForVirtualModule(
       'import "../styles/theme.css"',
       "../styles/theme.css",
-      "/project/pages/blog/index.tsx",
+      p("/project/pages/blog/index.tsx"),
     );
-    expect(result).toBe('import "/project/pages/styles/theme.css";');
+    expect(result).toBe(`import "${p("/project/pages/styles/theme.css")}";`);
   });
 
   it("preserves bare specifiers (package imports)", () => {
     const result = rewriteCssImportForVirtualModule(
       'import "@void/md/theme.css"',
       "@void/md/theme.css",
-      "/project/pages/layout.tsx",
+      p("/project/pages/layout.tsx"),
     );
     expect(result).toBe('import "@void/md/theme.css";');
   });
@@ -33,7 +38,7 @@ describe("rewriteCssImportForVirtualModule", () => {
     const result = rewriteCssImportForVirtualModule(
       'import "/absolute/path/style.css"',
       "/absolute/path/style.css",
-      "/project/pages/layout.tsx",
+      p("/project/pages/layout.tsx"),
     );
     expect(result).toBe('import "/absolute/path/style.css";');
   });
@@ -42,20 +47,18 @@ describe("rewriteCssImportForVirtualModule", () => {
     const result = rewriteCssImportForVirtualModule(
       '  import "some-lib/styles.css"  ',
       "some-lib/styles.css",
-      "/project/pages/layout.tsx",
+      p("/project/pages/layout.tsx"),
     );
     expect(result).toBe('import "some-lib/styles.css";');
   });
 
   it("normalizes backslashes to forward slashes", () => {
-    // normalizePath ensures Windows-style paths become valid import specifiers
     const result = rewriteCssImportForVirtualModule(
       'import "./card.css"',
       "./card.css",
-      "/project/pages/components/deep/Card.tsx",
+      p("/project/pages/components/deep/Card.tsx"),
     );
-    // Should always use forward slashes regardless of OS
     expect(result).not.toContain("\\");
-    expect(result).toBe('import "/project/pages/components/deep/card.css";');
+    expect(result).toBe(`import "${p("/project/pages/components/deep/card.css")}";`);
   });
 });

From 1df4a58b41f8492b38766427863f9eee8f1438f2 Mon Sep 17 00:00:00 2001
From: shulaoda <165626830+shulaoda@users.noreply.github.com>
Date: Fri, 3 Apr 2026 13:36:45 +0800
Subject: [PATCH 2/3] u

---
 packages/void/test/unit/island-css-rewrite.test.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/void/test/unit/island-css-rewrite.test.ts b/packages/void/test/unit/island-css-rewrite.test.ts
index 0e1fa0fd1..fe6ce0d40 100644
--- a/packages/void/test/unit/island-css-rewrite.test.ts
+++ b/packages/void/test/unit/island-css-rewrite.test.ts
@@ -1,6 +1,6 @@
 import { resolve } from "node:path";
-import { describe, it, expect } from "vitest";
 import { normalizePath } from "vite";
+import { describe, it, expect } from "vitest";
 import { rewriteCssImportForVirtualModule } from "../../src/pages/islands-plugin";
 
 /** Resolve a POSIX-style absolute path to a platform-correct path with forward slashes. */

From 469b41a47942923a6e5f41f8b7afdd2f659fefd2 Mon Sep 17 00:00:00 2001
From: shulaoda <165626830+shulaoda@users.noreply.github.com>
Date: Fri, 3 Apr 2026 13:38:12 +0800
Subject: [PATCH 3/3] u

---
 packages/void/test/unit/island-css-rewrite.test.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/void/test/unit/island-css-rewrite.test.ts b/packages/void/test/unit/island-css-rewrite.test.ts
index fe6ce0d40..2d62536aa 100644
--- a/packages/void/test/unit/island-css-rewrite.test.ts
+++ b/packages/void/test/unit/island-css-rewrite.test.ts
@@ -53,11 +53,13 @@ describe("rewriteCssImportForVirtualModule", () => {
   });
 
   it("normalizes backslashes to forward slashes", () => {
+    // normalizePath ensures Windows-style paths become valid import specifiers
     const result = rewriteCssImportForVirtualModule(
       'import "./card.css"',
       "./card.css",
       p("/project/pages/components/deep/Card.tsx"),
     );
+    // Should always use forward slashes regardless of OS
     expect(result).not.toContain("\\");
     expect(result).toBe(`import "${p("/project/pages/components/deep/card.css")}";`);
   });