fix: add vite-plus/pack/client export as tsdown/client equivalent

packages/core/__tests__/build-artifacts.spec.ts

@@ -16,4 +16,13 @@ describe('build artifacts', () => {
     expect(content).toContain('__dirname');
     expect(content).toContain('__filename');
   });
+
+  it('should include tsdown client.d.ts in dist/tsdown for pack/client support', () => {
+    const clientPath = path.join(distDir, 'tsdown/client.d.ts');
+    expect(fs.existsSync(clientPath), `${clientPath} should exist`).toBe(true);
+
+    const content = fs.readFileSync(clientPath, 'utf8');
+    expect(content).toContain('ImportMeta');
+    expect(content).toContain('glob');
+  });
 });

packages/core/build.ts

@@ -436,6 +436,10 @@ async function bundleTsdown() {
   // tsdown resolves this file via path.resolve(import.meta.dirname, '..', 'esm-shims.js'),
   // which means it expects the file at dist/esm-shims.js (one level up from dist/tsdown/).
   await copyFile(join(tsdownSourceDir, 'esm-shims.js'), join(projectDir, 'dist/esm-shims.js'));
+
+  // Copy client.d.ts to dist/tsdown/ to expose it as the vite-plus/pack/client entry point,
+  // equivalent to tsdown/client for registering bundler type features with TypeScript.
+  await copyFile(join(tsdownSourceDir, 'client.d.ts'), join(projectDir, 'dist/tsdown/client.d.ts'));
 }
 
 async function brandTsdown() {

packages/core/package.json

@@ -46,6 +46,9 @@
       "default": "./dist/tsdown/index.js",
       "types": "./dist/tsdown/index-types.d.ts"
     },
+    "./pack/client": {
+      "types": "./dist/tsdown/client.d.ts"
+    },
     "./package.json": "./package.json",
     "./rolldown": {
       "default": "./dist/rolldown/index.mjs",