fix vite on windows

packages/shared-internals/src/package-cache.ts

@@ -2,7 +2,7 @@ import Package from './package';
 import { existsSync, realpathSync } from 'fs';
 import { getOrCreate } from './get-or-create';
 import resolvePackagePath from 'resolve-package-path';
-import { dirname, sep } from 'path';
+import { dirname, posix } from 'path';
 
 const realpathSyncCache = new Map<string, string>();
 
@@ -67,7 +67,7 @@ export default class PackageCache {
   }
 
   ownerOfFile(filename: string): Package | undefined {
-    let segments = filename.split(sep);
+    let segments = filename.replace(/\\/g, '/').split(posix.sep);
 
     // first we look through our cached packages for any that are rooted right
     // at or above the file.
@@ -79,11 +79,11 @@ export default class PackageCache {
       }
 
       let usedSegments = segments.slice(0, length);
-      let candidate = usedSegments.join(sep);
+      let candidate = usedSegments.join(posix.sep);
       if (this.rootCache.has(candidate)) {
         return this.rootCache.get(candidate);
       }
-      if (getCachedExists([...usedSegments, 'package.json'].join(sep))) {
+      if (getCachedExists([...usedSegments, 'package.json'].join(posix.sep))) {
         return this.get(candidate);
       }
     }

packages/vite/src/bin/run-tests.mjs

@@ -11,9 +11,13 @@ async function run() {
 
   await /** @type {Promise<void>} */ (
     new Promise(fulfill => {
-      const runvite = child.spawn(resolve(__root, 'node_modules', '.bin', 'vite'), ['--port', '60173', '--no-open'], {
-        stdio: 'pipe',
-      });
+      const runvite = child.fork(
+        resolve(__root, 'node_modules', 'vite', 'bin', 'vite.js'),
+        ['--port', '60173', '--no-open'],
+        {
+          stdio: 'pipe',
+        }
+      );
 
       process.on('exit', () => runvite.kill());
 

packages/vite/src/esbuild-request.ts

@@ -1,7 +1,5 @@
 import { type ModuleRequest, cleanUrl } from '@embroider/core';
 
-export const virtualNamespace = 'embroider';
-
 export class EsBuildModuleRequest implements ModuleRequest {
   static from(
     source: string,

tests/vite-app/app/components/fancy.gts

@@ -1 +1,2 @@
 <template>Yay for gts!</template>
+

tests/vite-app/package.json

@@ -22,7 +22,7 @@
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "start:prebuild": "ember build --watch",
-    "start:dev": "pnpm start:prebuild & vite --force",
+    "start:dev": "vite",
     "start:test": "vite --open /tests/",
     "test": "concurrently \"npm:lint\" \"npm:test:*\" --names \"lint,test:\"",
     "test:ember": "node ./node_modules/@embroider/vite/src/bin/run-tests.mjs"