[Vue] add fromEntries polyfill and fix spread operator compiling (#18630)

* use object.assign for object spread so it will work in older browsers

* include fromEntries polyfill

* rebuild

* rebuild polyfills

1 files changed, 6 insertions, 0 deletions

diff --git a/babel.config.js b/babel.config.js
index 7740908849..df1ab7a9e1 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,4 +1,7 @@
 module.exports = {
+  assumptions: {
+    setSpreadProperties: true,
+  },
   presets: [
     ['@vue/cli-plugin-babel/preset', {
       useBuiltIns: false,
@@ -16,4 +19,7 @@ module.exports = {
       ]
     }],
   ],
+  plugins: [
+    ['@babel/plugin-proposal-object-rest-spread', { useBuiltIns: true }],
+  ],
 };