index.js

import 'core-js/features/array/copy-within'
import 'core-js/features/array/fill'
import 'core-js/features/array/find'
import 'core-js/features/array/find-index'
import 'core-js/features/array/flat-map'
import 'core-js/features/array/flat'
import 'core-js/features/array/from'
import 'core-js/features/array/includes'
import 'core-js/features/array/iterator'
import 'core-js/features/array/of'
import 'core-js/features/array/species'
import 'core-js/features/function/has-instance'
import 'core-js/features/map'
import 'core-js/features/number/constructor'
import 'core-js/features/number/epsilon'
import 'core-js/features/number/is-finite'
import 'core-js/features/number/is-integer'
import 'core-js/features/number/is-nan'
import 'core-js/features/number/is-safe-integer'
import 'core-js/features/number/max-safe-integer'
import 'core-js/features/number/min-safe-integer'
import 'core-js/features/object/entries'
import 'core-js/features/object/get-own-property-descriptors'
import 'core-js/features/object/is'
import 'core-js/features/object/values'
import 'core-js/features/reflect'
import 'core-js/features/regexp'
import 'core-js/features/set'
import 'core-js/features/symbol'
import 'core-js/features/symbol/async-iterator'
import 'core-js/features/string/code-point-at'
import 'core-js/features/string/ends-with'
import 'core-js/features/string/from-code-point'
import 'core-js/features/string/includes'
import 'core-js/features/string/iterator'
import 'core-js/features/string/pad-start'
import 'core-js/features/string/pad-end'
import 'core-js/features/string/raw'
import 'core-js/features/string/repeat'
import 'core-js/features/string/starts-with'
import 'core-js/features/string/trim-left'
import 'core-js/features/string/trim-right'
import 'core-js/features/weak-map'
import 'core-js/features/weak-set'
import 'core-js/features/promise'
import 'core-js/features/promise/all-settled'
import 'core-js/features/promise/finally'

// Specialized Packages:
import 'whatwg-fetch'
import 'url-polyfill'
import assign from 'object-assign'
Object.assign = assign