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Fixes #19979
Alternative to #20103
Related: #19823, https://core.trac.wordpress.org/ticket/49360
This pull request seeks to add a polyfill for DOMRect to resolve errors which can occur when using browsers which do not support this feature (Internet Explorer, Edge). It is modeled after the changes in #19823, and uses the same
polyfill-library
library. The library version at the version inherited from core (3.26.0
) did not include this at the time, and it was only made available later. The changes are pinned to the current version as of the time of writing (3.42.0
). An upgrade to this dependency would be required for an equivalent core patch.Testing Instructions:
Repeat steps to reproduce from #19979, verifying no error.