fix(create): say "Hello, vite+!" in the library template greeting

packages/cli/src/create/__tests__/utils.spec.ts

@@ -12,6 +12,7 @@ import {
   formatTargetDir,
   getProjectDirFromPackageName,
   renameFiles,
+  setLibraryGreeting,
   shouldConfigureEditorsForCreate,
 } from '../utils.js';
 
@@ -404,3 +405,35 @@ describe('renameFiles', () => {
     expect(read('_foo')).toBe('bar\n');
   });
 });
+
+describe('setLibraryGreeting', () => {
+  let tmpDir: string;
+
+  beforeEach(() => {
+    tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'vp-library-greeting-'));
+  });
+
+  afterEach(() => {
+    fs.rmSync(tmpDir, { recursive: true, force: true });
+  });
+
+  it('rebrands the greeting in the source and test files', () => {
+    fs.mkdirSync(path.join(tmpDir, 'src'));
+    fs.mkdirSync(path.join(tmpDir, 'tests'));
+    fs.writeFileSync(path.join(tmpDir, 'src/index.ts'), 'return "Hello, tsdown!";\n');
+    fs.writeFileSync(path.join(tmpDir, 'tests/index.test.ts'), 'toBe("Hello, tsdown!");\n');
+
+    setLibraryGreeting(tmpDir);
+
+    expect(fs.readFileSync(path.join(tmpDir, 'src/index.ts'), 'utf8')).toBe(
+      'return "Hello, vite+!";\n',
+    );
+    expect(fs.readFileSync(path.join(tmpDir, 'tests/index.test.ts'), 'utf8')).toBe(
+      'toBe("Hello, vite+!");\n',
+    );
+  });
+
+  it('ignores missing files', () => {
+    expect(() => setLibraryGreeting(tmpDir)).not.toThrow();
+  });
+});

packages/cli/src/create/templates/builtin.ts

@@ -7,7 +7,7 @@ import colors from 'picocolors';
 import type { WorkspaceInfo } from '../../types/index.ts';
 import type { ExecutionWithProjectDir } from '../command.ts';
 import { discoverTemplate } from '../discovery.ts';
-import { setPackageName } from '../utils.ts';
+import { setLibraryGreeting, setPackageName } from '../utils.ts';
 import { executeGeneratorScaffold } from './generator.ts';
 import { removeNestedLibraryToolConfig } from './monorepo.ts';
 import { runRemoteTemplateCommand } from './remote.ts';
@@ -50,6 +50,7 @@ export async function executeBuiltinTemplate(
     }
     const fullPath = path.join(workspaceInfo.rootDir, templateInfo.targetDir);
     setPackageName(fullPath, templateInfo.packageName);
+    setLibraryGreeting(fullPath);
     if (workspaceInfo.isMonorepo) {
       removeNestedLibraryToolConfig(fullPath);
     }

packages/cli/src/create/templates/monorepo.ts

@@ -13,7 +13,13 @@ import { templatesDir } from '../../utils/path.ts';
 import { editYamlFile, readYamlFile } from '../../utils/yaml.ts';
 import type { ExecutionWithProjectDir } from '../command.ts';
 import { discoverTemplate } from '../discovery.ts';
-import { copyDir, formatDisplayTargetDir, renameFiles, setPackageName } from '../utils.ts';
+import {
+  copyDir,
+  formatDisplayTargetDir,
+  renameFiles,
+  setLibraryGreeting,
+  setPackageName,
+} from '../utils.ts';
 import { runRemoteTemplateCommand } from './remote.ts';
 import { type BuiltinTemplateInfo, LibraryTemplateRepo } from './types.ts';
 
@@ -153,6 +159,7 @@ export async function executeMonorepoTemplate(
     : 'utils';
   const libraryProjectPath = path.join(fullPath, libraryDir);
   setPackageName(libraryProjectPath, libraryPackageName);
+  setLibraryGreeting(libraryProjectPath);
   removeNestedLibraryToolConfig(libraryProjectPath);
   // Perform auto-migration on the created library
   rewriteMonorepoProject(

packages/cli/src/create/utils.ts

@@ -203,6 +203,25 @@ export function setPackageName(projectDir: string, packageName: string) {
   });
 }
 
+const LIBRARY_TEMPLATE_GREETING = { from: 'Hello, tsdown!', to: 'Hello, vite+!' } as const;
+
+/** Rebrand the greeting the shared library template ships with (it is authored for tsdown). */
+export function setLibraryGreeting(projectDir: string): void {
+  for (const file of ['src/index.ts', 'tests/index.test.ts']) {
+    const filePath = path.join(projectDir, file);
+    if (!fs.existsSync(filePath)) {
+      continue;
+    }
+    const content = fs.readFileSync(filePath, 'utf8');
+    if (content.includes(LIBRARY_TEMPLATE_GREETING.from)) {
+      fs.writeFileSync(
+        filePath,
+        content.replaceAll(LIBRARY_TEMPLATE_GREETING.from, LIBRARY_TEMPLATE_GREETING.to),
+      );
+    }
+  }
+}
+
 const RENAME_FILES = {
   _gitignore: '.gitignore',
   _npmrc: '.npmrc',