[wp-trac] [WordPress Trac] #57647: Deprecate wp_enqueue_block_support_styles function

[WordPress Trac]

#57647: Deprecate wp_enqueue_block_support_styles function
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 Reporter:  andrewserong  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Editor        |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Prior to the style engine classes being added to core, the code for block
 supports used the `wp_enqueue_block_support_styles` function to output a
 `<style>` tag containing the CSS styles for the block support. Using this
 function resulted in duplicate `<style>` tags being output on the site
 frontend, and redundant CSS rules.

 As of 6.2, it looks like all of the block supports and block's individual
 PHP rendering will have been refactored to use the style engine's approach
 of enqueuing styles, where styles are registered using a common call to
 the style engine, and then only output once in a single style tag. For
 example, the Layout block support uses
 `wp_style_engine_get_stylesheet_from_css_rules` instead of
 `wp_enqueue_block_support_styles`.

 Therefore, it should now be possible to deprecate usage of the
 `wp_enqueue_block_support_styles` function, and nudge any usage of that
 function over to use comparable style engine functions instead.

 Note: this deprecation should only occur once all usage of
 `wp_enqueue_block_support_styles` has been removed in core blocks, which
 should happen once the JS packages update for 6.2 has occurred, as that
 update should replace the call with a call to the style engine instead.

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Ticket URL: <https://core.trac.wordpress.org/ticket/57647>
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