WordPress/wp-content
desrosj b0fe9f059c Twenty Twenty-One: Only load IE specific polyfills when actually using Internet Exploreer.
The `twenty-twenty-one-ie11-polyfills` script now has a `null` source, and the new `twenty-twenty-one-ie11-polyfills-asset` (which points to the actual `polyfills.js` source) will be loaded only if IE is detected by through the use of `wp_get_script_polyfill()`.

Because the original script name remains the same, this change is backwards compatible with any code registering `twenty-twenty-one-id11-polyfills` as a script dependency.

Props poena, ismail.elkorchi, peterwilsoncc
Fixes #52098.
Built from https://develop.svn.wordpress.org/trunk@49865


git-svn-id: http://core.svn.wordpress.org/trunk@49584 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-12-22 15:44:08 +00:00
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