Block supports extension helpers

0.2.0 2024-01-16 11:38 UTC

This package is auto-updated.

Last update: 2024-05-16 12:32:19 UTC


  • Tested up to: 6.3
  • License: GPL-2.0-or-later

Helpers for extending built in block support features such as color options.


To use the plugin you will need to activate it and then register your new block supports properties like so:

Block_Supports_Extended\register( 'color', 'quoteMarks', [
	'label' => __( 'Quote Marks' ),
	// Properties are translated to what the setting value is applied to,
	// for example, text will give ".selector { color: value }". This is
	// the same as the options available for the "color" block.json.
	'property' => 'text',
	// %s is replaced with a generated class name applied to the block.
	'selector' => '.%1$s blockquote::before, .%1$s blockquote::after',
	// Optional list of default blocks to add support for. This can
	// also be done via a block's block.json "supports" property, or
	// later using the Block_Supports_Extended\add_support() function.
	'blocks' => [
] );

This will have the effect of extending the core quote block's block.json like so:

	"supports": {
		"color": {
			"quoteMarks": true

A "Quote Marks" option will be added to the default block colour settings. Everything else included CSS generation is then handled for you.

Extended color UI

Future Roadmap

Currently only the color feature is supported, but we will likely extend this to typography, border etc…

Depending on the future direction of WordPress core which promises to make the styles engine more pluggable we may continue extending this or keep it limited.


This section describes how to install the plugin and get it working.


  1. Upload the plugin files to the /wp-content/plugins/block-supports-extended directory, or install the plugin through the WordPress plugins screen directly.
  2. Activate the plugin through the 'Plugins' screen in WordPress



  • Release