Post Title: Add levelOptions attribute to control available heading levels
#64106
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ndiego
added
[Type] Enhancement
ndiego
requested review from
ajitbohra,
ryanwelcher,
juanmaguitar and
fabiankaegy
as code owners
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Size Change: +26 B (0%) Total Size: 1.76 MB
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youknowriad
approved these changes
Jul 31, 2024
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Followup to #63535
What?
This PR adds a
levelOptionsattribute to the Title (Post Title) block that allows developers to control which heading levels are available in the UI.Why?
Being able to restrict the available heading levels is crucial in many situations, whether it be general Editor curation, accessibility, block governance, SEO, etc.
How?
This PR adds a
levelOptionsattribute to the Post Title block that allows developers to define which heading levels should be displayed in the Heading dropdown UI. The approach is very simple and does not require a depreciation. Any previously set heading levels are respected in the markup.With this new attribute, you can restrict the UI in many different ways, making this approach very flexible and powerful. For example, you could restrict options directly in block markup for a pattern or template. Try copying and pasting the following in the Editor.
Or you could modify the attribute programmatically via filters. The following will disable h1 globally. You could also add conditionals for post type, user permissions, etc. There are filters for both PHP and JavaScript so the applications are endless.
Testing Instructions
functions.phpfile of your theme and see thath1is disabled.Screenshots or screencast
With restrictions applied: