builtsin

Change-Id: I5fcf25aaed82bd0f5e93fb4a15ed5591fc1113c9
diff --git a/client/webpack.config.js b/client/webpack.config.js
index 6f02eac..841c7d5 100644
--- a/client/webpack.config.js
+++ b/client/webpack.config.js
@@ -21,7 +21,11 @@
                 use: {
                     loader: 'babel-loader',
                     options: {
-                        presets: ['@babel/preset-env', '@babel/preset-react']
+                        presets: [['@babel/preset-env', {
+                            useBuiltIns: 'entry',
+                            corejs:{ version: "3.10", proposals: true },
+                            targets: { esmodules: true }
+                        }], '@babel/preset-react']
                     }
                 }
             },