[wp-trac] [WordPress Trac] #60139: Clean up ClipboardJS instances from focus management workaround

[WordPress Trac]

#60139: Clean up ClipboardJS instances from focus management workaround
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 Reporter:  afercia                    |      Owner:  (none)
     Type:  enhancement                |     Status:  new
 Priority:  normal                     |  Milestone:  6.5
Component:  External Libraries         |    Version:
 Severity:  normal                     |   Keywords:  needs-patch
  Focuses:  accessibility, javascript  |
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 See related issue and PR on the Gutenberg editor repository:
 https://github.com/WordPress/gutenberg/issues/57154 and
 https://github.com/WordPress/gutenberg/pull/57156

 ClipboardJS used to suffer from a bug that triggered a focus loss. Over
 time WordPress implemented its own workaround to avoid this focus loss.
 The issue was also reported upstream at
 https://github.com/zenorocha/clipboard.js/issues/680

 ClipboardJS 2.0.11 includes a fix for this focus loss issue so that the
 workaround used by WordPress is no longer necessary.
 Reference:
 https://github.com/zenorocha/clipboard.js/releases/tag/v2.0.11
 https://github.com/zenorocha/clipboard.js/pull/807

 Given that Core already uses ClipboardJS 2.0.11 since a while, we can now
 clean up all the related code for all the 'Copy' buttons in the codebase.

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Ticket URL: <https://core.trac.wordpress.org/ticket/60139>
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