restore support for extending babel configuration (#817)

ProjectEvergreen · Dec 18, 2021 · 2fbd1c4 · 2fbd1c4
1 parent ab12c80
commit 2fbd1c4
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Showing 4 changed files with 6 additions and 4 deletions.
diff --git a/packages/plugin-babel/README.md b/packages/plugin-babel/README.md
@@ -32,10 +32,10 @@ export default {
 }
 ```
 
-Create a _babel.config.js_ in the root of your project with your own custom plugins / settings that you've installed and want to use.
+Create a _babel.config.cjs_ in the root of your project with your own custom plugins / settings that you've installed and want to use.
 
 ```javascript
-export default {
+module.exports = {
   plugins: [
     '@babel/plugin-proposal-class-properties',
     '@babel/plugin-proposal-private-methods'
@@ -45,6 +45,8 @@ export default {
 
 This will then process your JavaScript with Babel with the configurated plugins / settings you provide.  
 
+> _For now Babel configuration needs to be in CJS.  Will we be adding ESM support soon!_
+
 ## Options
 This plugin provides a default _babel.config.js_ that includes support for [**@babel/preset-env**](https://babeljs.io/docs/en/babel-preset-env) using [**browserslist**](https://github.com/browserslist/browserslist) with reasonable [default configs](https://github.com/ProjectEvergreen/greenwood/tree/master/packages/plugin-babel/src/) for each.  
 

diff --git a/packages/plugin-babel/src/index.js b/packages/plugin-babel/src/index.js
@@ -69,7 +69,7 @@ const greenwoodPluginBabel = (options = {}) => {
     provider: (compilation) => [
       rollupBabelPlugin.default({
         // https://github.com/rollup/plugins/tree/master/packages/babel#babelhelpers
-        babelHelpers: options.extendConfig ? 'runtime' : 'bundled',
+        babelHelpers: 'bundled',
 
         ...getConfig(compilation, options.extendConfig)
       })

diff --git a/...ses/options.extend-config/babel.config.js → ...es/options.extend-config/babel.config.cjs b/...ses/options.extend-config/babel.config.js → ...es/options.extend-config/babel.config.cjs
diff --git a/packages/plugin-babel/test/cases/options.extend-config/options.extend-config.spec.js b/packages/plugin-babel/test/cases/options.extend-config/options.extend-config.spec.js
@@ -46,7 +46,7 @@ import { fileURLToPath, URL } from 'url';
 
 const expect = chai.expect;
 
-xdescribe('Build Greenwood With: ', function() {
+describe('Build Greenwood With: ', function() {
   const LABEL = 'Custom Babel Options for extending Default Configuration';
   const cliPath = path.join(process.cwd(), 'packages/cli/src/index.js');
   const outputPath = fileURLToPath(new URL('.', import.meta.url));