fix(create-blocks-app): include Amplify dev server template

.changeset/clear-amplify-dev-server.md

@@ -0,0 +1,5 @@
+---
+'@aws-blocks/create-blocks-app': patch
+---
+
+Include the local dev-server script when adding AWS Blocks to an Amplify Gen 2 project.

packages/create-blocks-app/src/cli.test.ts

@@ -170,6 +170,11 @@
       const result = run(['-y', '--skip-install'], tmpDir);
       assert.strictEqual(result.exitCode, 0);
       assert.match(result.stdout, /Detected Amplify Gen 2 project/);
+      const packageJson = JSON.parse(readFileSync(join(tmpDir, 'package.json'), 'utf-8'));
+      const serverPath = join(tmpDir, 'aws-blocks', 'scripts', 'server.ts');
+      assert.strictEqual(packageJson.scripts['blocks:dev'], 'tsx watch aws-blocks/scripts/server.ts');
+      assert.ok(existsSync(serverPath));
+      assert.match(readFileSync(serverPath, 'utf-8'), /startDevServer/);
     } finally {
       rmSync(tmpDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 100 });
     }
@@ -259,7 +264,7 @@
       const suffix = parts.pop();
       const namepart = parts.join('-');
       assert.ok(namepart.length <= 16, `name portion "${namepart}" should be at most 16 chars`);
       assert.strictEqual(suffix!.length, 6, 'random suffix should be 6 chars');
       assert.match(config.stackId, /^[a-z][a-z0-9-]*$/i, 'stackId must be CDK/CFN-safe');
     } finally {
       rmSync(tmpDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 100 });
@@ -288,7 +293,7 @@
       const config = JSON.parse(readFileSync(join(tmpDir, '.blocks', 'config.json'), 'utf-8'));
       assert.ok(config.stackId, '.blocks/config.json should have a stackId');
       assert.match(config.stackId, /^[a-z][a-z0-9-]*$/i, 'stackId must be CDK/CFN-safe');
       assert.strictEqual(config.stackId.split('-').pop()!.length, 6, 'suffix should be 6 chars');
     } finally {
       rmSync(tmpDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 100 });
     }
@@ -333,7 +338,7 @@
       assert.strictEqual(result.exitCode, 0);
       assert.match(result.stdout, /Blocks app created/);
       assert.doesNotMatch(result.stdout, /Installing dependencies/);
       assert.match(result.stdout, /\n  npm install\n/);
       assert.strictEqual(existsSync(join(targetDir, 'node_modules')), false);
     } finally {
       rmSync(tmpDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 100 });

packages/create-blocks-app/templates/amplify/aws-blocks/scripts/server.ts

@@ -0,0 +1,10 @@
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { startDevServer } from '@aws-blocks/blocks/scripts';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+startDevServer({
+	backendPath: join(__dirname, '..', 'index.ts'),
+	port: 3001,
+});