feat(babel): installed the babel plugin for babel-dialect projects

src/dialect-test.js

@@ -6,6 +6,12 @@ import any from '@travi/any';
 import scaffoldDialect from './dialect';
 
 suite('dialect', () => {
+  test('that babel details are handled', async () => {
+    const {devDependencies} = await scaffoldDialect({dialect: dialects.BABEL});
+
+    assert.deepEqual(devDependencies, ['@rollup/plugin-babel']);
+  });
+
   test('that typescript details are handled', async () => {
     const {devDependencies, vcsIgnore} = await scaffoldDialect({dialect: dialects.TYPESCRIPT});
 

src/dialect.js

@@ -2,6 +2,8 @@ import {dialects} from '@form8ion/javascript-core';
 
 export default function ({dialect}) {
   switch (dialect) {
+    case dialects.BABEL:
+      return {devDependencies: ['@rollup/plugin-babel']};
     case dialects.TYPESCRIPT:
       return {
         devDependencies: ['@rollup/plugin-typescript'],

test/integration/features/babel.feature

@@ -0,0 +1,6 @@
+Feature: Scaffold for a babel dialect project
+
+  Scenario: project dialect is TypeScript
+    Given the project dialect is "babel"
+    When the project is scaffolded
+    Then dependencies are installed for the "babel" dialect

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

@@ -27,4 +27,8 @@ Then('dependencies are installed for the {string} dialect', async function (dial
   if (dialects.TYPESCRIPT === dialect) {
     assert.include(devDependencies, '@rollup/plugin-typescript');
   }
+
+  if (dialects.BABEL === dialect) {
+    assert.include(devDependencies, '@rollup/plugin-babel');
+  }
 });