fix(create): inline generator dependencies without catalog support

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/create_generator_npm/.gitignore

@@ -0,0 +1 @@
+node_modules/

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/create_generator_npm/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "generator-npm-fixture",
+  "private": true,
+  "type": "module",
+  "packageManager": "npm@12.0.2",
+  "workspaces": ["tools/*"]
+}

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/create_generator_npm/snapshots.toml

@@ -0,0 +1,12 @@
+[[case]]
+name = "create_generator_npm"
+vp = "local"
+local-registry = true
+unset-env = ["VP_SKIP_INSTALL", "CI"]
+comment = "A generator added to an npm workspace uses installable dependency ranges instead of catalog references."
+steps = [
+  { argv = ["vp", "create", "vite:generator", "--no-interactive", "--directory", "tools/my-generator"], snapshot = false },
+  { argv = ["vpt", "print-file", "tools/my-generator/package.json"] },
+  { argv = ["vp", "install"], snapshot = false },
+  { argv = ["node", "tools/my-generator/bin/index.ts", "--help"], snapshot = false },
+]

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/create_generator_npm/snapshots/create_generator_npm.md

@@ -0,0 +1,43 @@
+# create_generator_npm
+
+A generator added to an npm workspace uses installable dependency ranges instead of catalog references.
+
+## `vp create vite:generator --no-interactive --directory tools/my-generator`
+
+
+## `vpt print-file tools/my-generator/package.json`
+
+```
+{
+  "name": "my-generator",
+  "version": "0.0.0",
+  "private": true,
+  "description": "A starter for creating a Vite+ code generator.",
+  "keywords": [
+    "vite-plus-generator"
+  ],
+  "bin": "./bin/index.ts",
+  "type": "module",
+  "scripts": {
+    "test": "vp test",
+    "dev": "node bin/index.ts"
+  },
+  "dependencies": {
+    "bingo": "^0.9.3",
+    "zod": "^3.25.76"
+  },
+  "devDependencies": {
+    "@types/node": "^24",
+    "typescript": "^7.0.0"
+  },
+  "engines": {
+    "node": ">=22.18.0"
+  }
+}
+```
+
+## `vp install`
+
+
+## `node tools/my-generator/bin/index.ts --help`
+

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/create_generator_npm/vite.config.ts

@@ -0,0 +1 @@
+export default {};

packages/cli/src/create/__tests__/generator-scaffold.spec.ts

@@ -0,0 +1,77 @@
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+
+import { afterEach, describe, expect, it } from 'vitest';
+
+import { PackageManager, type WorkspaceInfo } from '../../types/index.ts';
+import { readJsonFile } from '../../utils/json.ts';
+import { templatesDir } from '../../utils/path.ts';
+import { readYamlFile } from '../../utils/yaml.ts';
+import { executeGeneratorScaffold } from '../templates/generator.ts';
+import { BuiltinTemplate, TemplateType } from '../templates/types.ts';
+
+let rootDir: string;
+afterEach(() => {
+  if (rootDir) {
+    fs.rmSync(rootDir, { recursive: true, force: true });
+  }
+});
+
+async function scaffold(packageManager: PackageManager, version: string) {
+  rootDir = fs.mkdtempSync(path.join(os.tmpdir(), 'vp-generator-scaffold-'));
+  const workspace: WorkspaceInfo = {
+    rootDir,
+    isMonorepo: true,
+    monorepoScope: '',
+    workspacePatterns: ['tools/*'],
+    parentDirs: ['tools'],
+    packageManager,
+    packageManagerVersion: version,
+    downloadPackageManager: {
+      name: packageManager,
+      packageName: packageManager,
+      version,
+      installDir: '',
+      binPrefix: '',
+    },
+    packages: [],
+  };
+  await executeGeneratorScaffold(
+    workspace,
+    {
+      command: BuiltinTemplate.generator,
+      type: TemplateType.builtin,
+      packageName: 'my-generator',
+      targetDir: 'tools/my-generator',
+      interactive: false,
+      args: [],
+      envs: {},
+    },
+    { silent: true },
+  );
+  return readJsonFile(path.join(rootDir, 'tools/my-generator/package.json'));
+}
+
+describe('generator scaffold dependencies', () => {
+  it.each([
+    [PackageManager.npm, '12.0.2'],
+    [PackageManager.yarn, '4.9.0'],
+    [PackageManager.pnpm, '9.4.0'],
+  ])('uses installable versions for %s %s without catalog support', async (manager, version) => {
+    const pkg = await scaffold(manager, version);
+    const { catalog } = readYamlFile(path.join(templatesDir, 'monorepo/pnpm-workspace.yaml'));
+    expect(pkg.devDependencies).toEqual(catalog);
+    expect(pkg.name).toBe('my-generator');
+    expect(pkg.dependencies).toEqual({ bingo: '^0.9.3', zod: '^3.25.76' });
+  });
+
+  it.each([
+    [PackageManager.pnpm, '10.0.0'],
+    [PackageManager.yarn, '4.10.0'],
+    [PackageManager.bun, '1.3.0'],
+  ])('preserves workspace catalogs for %s %s', async (manager, version) => {
+    const pkg = await scaffold(manager, version);
+    expect(pkg.devDependencies).toEqual({ '@types/node': 'catalog:', typescript: 'catalog:' });
+  });
+});

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

@@ -3,9 +3,11 @@ import path from 'node:path';
 
 import * as prompts from '@voidzero-dev/vite-plus-prompts';
 
+import { supportsCatalog } from '../../migration/migrator.ts';
 import type { WorkspaceInfo } from '../../types/index.ts';
 import { editJsonFile } from '../../utils/json.ts';
 import { templatesDir } from '../../utils/path.ts';
+import { readYamlFile } from '../../utils/yaml.ts';
 import type { ExecutionWithProjectDir } from '../command.ts';
 import { copyDir } from '../utils.ts';
 import type { BuiltinTemplateInfo } from './types.ts';
@@ -40,6 +42,25 @@ export async function executeGeneratorScaffold(
   fs.chmodSync(path.join(fullPath, 'bin/index.ts'), '755');
   editJsonFile(path.join(fullPath, 'package.json'), (pkg) => {
     pkg.name = templateInfo.packageName;
+    if (
+      !supportsCatalog(
+        workspaceInfo.packageManager,
+        workspaceInfo.downloadPackageManager.version,
+        workspaceInfo.isMonorepo,
+      )
+    ) {
+      // The bundled generator uses the monorepo template's catalog. Managers
+      // without catalog support need the same dependency ranges inlined.
+      const { catalog } = readYamlFile(path.join(templatesDir, 'monorepo/pnpm-workspace.yaml')) as {
+        catalog: Record<string, string>;
+      };
+      const devDependencies = pkg.devDependencies as Record<string, string>;
+      for (const [name, spec] of Object.entries(devDependencies)) {
+        if (spec === 'catalog:' && catalog[name]) {
+          devDependencies[name] = catalog[name];
+        }
+      }
+    }
     if (description) {
       pkg.description = description;
     }