Interactivity API has hooks that run on the frontend, but not in wp-admin. This means that interactivity data was not printed to the HTML and the interactivity Script Modules were not registered.
Fixes#61087.
Props jonsurrell, cbravobernal, gziolo.
Built from https://develop.svn.wordpress.org/trunk@58127
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This prunes stores and configurations that are empty arrays, as stores are expected to be JSON objects.
By not printing empty configurations, less redundant data is serialized into the HTML.
Props jonsurrell, luisherranz, darerodz, gziolo, swissspidy.
Fixes#60761.
Built from https://develop.svn.wordpress.org/trunk@57841
git-svn-id: http://core.svn.wordpress.org/trunk@57342 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Short-circuits directive processing when the markup does not actually contain any `data-wp-*` attributes.
This reduces function calls and memory usage for the best case scenario due to not involving `WP_HTML_Tag_Processor`.
Props joemcgill, swissspidy, gziolo, cbravobernal, flixos90.
Fixes#60749.
Built from https://develop.svn.wordpress.org/trunk@57824
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gziolo
Pascal Birchler