[wp-trac] [WordPress Trac] #59453: Replace property_exists call in block api with instanceof

[WordPress Trac]

#59453: Replace property_exists call in block api with instanceof
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 Reporter:  spacedmonkey  |       Owner:  gziolo
     Type:  enhancement   |      Status:  reviewing
 Priority:  normal        |   Milestone:  Future Release
Component:  Editor        |     Version:  5.8
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  coding-standards
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Comment (by gziolo):

 I'm not entirely sure how backporting works for these files, but it's
 worth emphasizing that the same code lives in the Gutenberg plugin in
 https://github.com/WordPress/gutenberg/tree/trunk/lib/block-supports. I'm
 sure these files aren't copied automatically, but if you agree on the
 changes, we will have to apply the same set of changes in the Gutenberg
 plugin. I can see how these changes would improve performance by using
 language constructs like `instanceof ` and `isset`.

 A separate discussion would be how to make it easier to sync code between
 WordPress core and Gutenberg for block supports.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59453#comment:5>
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