chore: @vue/cli-*@4.1.1

babel.config.js

 const config = {
-  ignore: [
-    "./packages",
-  ],
+  // ignore: [
+  //   "./packages",
+  // ],
   presets: [
-    ["@vue/app", {
+    ["@vue/cli-plugin-babel/preset", {
       useBuiltIns: "entry"
     }]
   ],

package.json

@@ -41,10 +41,10 @@
   "private": true,
   "devDependencies": {
     "@types/html5plus": "^1.0.0",
-    "@vue/cli-plugin-babel": "^3.4.1",
-    "@vue/cli-plugin-eslint": "^3.4.1",
-    "@vue/cli-plugin-unit-mocha": "^3.4.1",
-    "@vue/cli-service": "^3.4.1",
+    "@vue/cli-plugin-babel": "^4.1.1",
+    "@vue/cli-plugin-eslint": "^4.1.1",
+    "@vue/cli-plugin-unit-mocha": "^4.1.1",
+    "@vue/cli-service": "^4.1.1",
     "@vue/test-utils": "^1.0.0-beta.25",
     "babel-eslint": "^10.0.1",
     "babylon": "^6.18.0",