fix(index): included the extension for the scaffolder import

src/scaffold.js

@@ -15,7 +15,7 @@ export default async function ({projectRoot, packageName, tests}) {
 
   await Promise.all([
     scaffoldDocumentation({projectRoot}),
-    fs.writeFile(`${createdSrcDirectory}/index.js`, "export {default as scaffold} from './scaffolder';\n"),
+    fs.writeFile(`${createdSrcDirectory}/index.js`, "export {default as scaffold} from './scaffolder.js';\n"),
     fs.copyFile(resolve(__dirname, '..', 'templates', 'scaffolder.js'), `${createdSrcDirectory}/scaffolder.js`)
   ]);
 

src/scaffold.test.js

@@ -1,3 +1,5 @@
+import {promises as fs} from 'node:fs';
+import {resolve} from 'node:path';
 import deepmerge from 'deepmerge';
 import * as mkdir from 'make-dir';
 
@@ -30,5 +32,13 @@ describe('scaffold', () => {
 
     expect(await scaffold({projectRoot, tests, packageName}))
       .toEqual(deepmerge({devDependencies: ['mock-fs'], scripts: {}}, integrationTestingResults));
+    expect(fs.writeFile).toHaveBeenCalledWith(
+      `${pathToCreatedSrcDirectory}/index.js`,
+      "export {default as scaffold} from './scaffolder.js';\n"
+    );
+    expect(fs.copyFile).toHaveBeenCalledWith(
+      resolve('templates/scaffolder.js'),
+      `${pathToCreatedSrcDirectory}/scaffolder.js`
+    );
   });
 });

test/integration/features/step_definitions/package-steps.js

@@ -10,7 +10,7 @@ const __dirname = dirname(fileURLToPath(import.meta.url));        // eslint-disa
 Then('the manifest file is generated', async function () {
   assert.equal(
     await fs.readFile(`${process.cwd()}/src/index.js`, 'utf-8'),
-    "export {default as scaffold} from './scaffolder';\n"
+    "export {default as scaffold} from './scaffolder.js';\n"
   );
   assert.equal(
     await fs.readFile(`${process.cwd()}/src/scaffolder.js`, 'utf-8'),