Update babel config

Author: JosefBredereck

packages/uikit-workshop/webpack.config.js

@@ -77,6 +77,11 @@ module.exports = function (apiConfig) {
           '@babel/plugin-proposal-optional-chaining',
           ['@babel/plugin-proposal-decorators', { legacy: true }],
           ['@babel/plugin-proposal-class-properties', { loose: true }],
+          ['@babel/plugin-proposal-private-methods', { loose: true }],
+          [
+            '@babel/plugin-proposal-private-property-in-object',
+            { loose: true },
+          ],
           '@babel/plugin-syntax-dynamic-import',
           '@babel/plugin-syntax-jsx' /* [1] */,
           [
@@ -120,7 +125,7 @@ module.exports = function (apiConfig) {
         options: {
           sassOptions: {
             sourceMap: config.sourceMaps,
-            outputStyle: 'expanded'
+            outputStyle: 'expanded',
           },
         },
       },