An Object.fromEntries polyfill
npm install @ungap/from-entries  !WebReflection status
An Object.fromEntries polyfill.
* CDN via https://unpkg.com/@ungap/from-entries as global fromEntries
* ESM via import fromEntries from '@ungap/from-entries'
* CJS via const fromEntries = require('@ungap/from-entries')
Compatible with every browser.
Then I'll suggest this polyfill too.