core-js error in multi page project

[w2819]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.6.3

Environment

@vue/cli 4.4.6

Reproduction link

https://github.com/miniai/demo.git

Steps to reproduce

git clone https://github.com/miniai/demo.git
npm install
npm run serve

What is expected?

npm run serve success

What is actually happening?

These dependencies were not found:

• core-js/library/fn/array/from in ./node_modules/babel-runtime/core-js/array/from.js
• core-js/library/fn/get-iterator in ./node_modules/babel-runtime/core-js/get-iterator.js
• core-js/library/fn/is-iterable in ./node_modules/babel-runtime/core-js/is-iterable.js
• core-js/library/fn/object/assign in ./node_modules/babel-runtime/core-js/object/assign.js
• core-js/library/fn/object/define-property in ./node_modules/babel-runtime/core-js/object/define-property.js
• core-js/library/fn/symbol in ./node_modules/babel-runtime/core-js/symbol.js
• core-js/library/fn/symbol/iterator in ./node_modules/babel-runtime/core-js/symbol/iterator.js

To install them, you can run: npm install --save core-js/library/fn/array/from core-js/library/fn/get-iterator core-js/library/fn/is-iterable core-js/library/fn/object/assign core-js/library/fn/object/define-property core-js/library/fn/symbol core-js/library/fn/symbol
/iterator

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node v12.6.0

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