[wp-trac] [WordPress Trac] #52946: Replace deprecate @babel/polyfill package

[WordPress Trac]

#52946: Replace deprecate @babel/polyfill package
--------------------------------+--------------------
 Reporter:  gziolo              |      Owner:  (none)
     Type:  enhancement         |     Status:  new
 Priority:  normal              |  Milestone:  5.8
Component:  External Libraries  |    Version:  trunk
 Severity:  normal              |   Keywords:
  Focuses:  javascript          |
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 Extracted from #52854.
  Related issues in Gutenberg repository with more details:
 https://github.com/WordPress/gutenberg/issues/22417.

 According to https://babeljs.io/docs/en/babel-polyfill, @babel/polyfill
 got deprecated

 It looks like we need to create a webpack entry point that imports `core-
 js` and `regenerator-runtime`.

 {{{
 import 'core-js/stable';
 import 'regenerator-runtime/runtime';
 }}

 They aren't defined as dependencies in `package.json` at the moment.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52946>
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