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Add blockHooks global attribute to anchor blocks
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@ockham
ockham committed Nov 6, 2023
1 parent 2a93caf commit 39c69a3
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Showing 3 changed files with 54 additions and 60 deletions.
8 changes: 8 additions & 0 deletions src/wp-includes/block-template-utils.php
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Original file line number Diff line number Diff line change
Expand Up @@ -894,6 +894,14 @@ function _build_block_template_result_from_post( $post ) {
}
}

$hooked_blocks = get_hooked_blocks();
if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
$before_block_visitor = make_before_block_visitor( $hooked_blocks, $template );
$after_block_visitor = make_after_block_visitor( $hooked_blocks, $template );
$blocks = parse_blocks( $post->post_content );
$template->content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
}

return $template;
}

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98 changes: 42 additions & 56 deletions src/wp-includes/blocks.php
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Original file line number Diff line number Diff line change
Expand Up @@ -757,6 +757,44 @@ function get_hooked_blocks() {
return $hooked_blocks;
}

function insert_hooked_blocks( $relative_position, &$anchor_block, $hooked_blocks, $context ) {
$anchor_block_type = $anchor_block['blockName'];
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
: array();

$markup = '';
/**
* Filters the list of hooked block types for a given anchor block type and relative position.
*
* @since 6.4.0
*
* @param string[] $hooked_block_types The list of hooked block types.
* @param string $relative_position The relative position of the hooked blocks.
* Can be one of 'before', 'after', 'first_child', or 'last_child'.
* @param string $anchor_block_type The anchor block type.
* @param WP_Block_Template|array $context The block template, template part, or pattern that the anchor block belongs to.
*/
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
foreach ( $hooked_block_types as $hooked_block_type ) {
if (
! isset( $anchor_block['attrs']['metadata']['ignoredHookedBlocks'] ) ||
! in_array( $hooked_block_type, $anchor_block['attrs']['metadata']['ignoredHookedBlocks'] )
) {
$markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' );
}

// TODO: The following is only needed for the REST API endpoint.
// Ideally, the code should thus be moved into the controller.
if ( ! isset( $anchor_block['attrs']['metadata']['ignoredHookedBlocks'] ) ) {
$anchor_block['attrs']['metadata']['ignoredHookedBlocks'] = array();
}
$anchor_block['attrs']['metadata']['ignoredHookedBlocks'][] = $hooked_block_type;

}
return $markup;
}

/**
* Returns a function that injects the theme attribute into, and hooked blocks before, a given block.
*
Expand Down Expand Up @@ -794,40 +832,10 @@ function make_before_block_visitor( $hooked_blocks, $context ) {

if ( $parent_block && ! $prev ) {
// Candidate for first-child insertion.
$relative_position = 'first_child';
$anchor_block_type = $parent_block['blockName'];
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
: array();

/**
* Filters the list of hooked block types for a given anchor block type and relative position.
*
* @since 6.4.0
*
* @param string[] $hooked_block_types The list of hooked block types.
* @param string $relative_position The relative position of the hooked blocks.
* Can be one of 'before', 'after', 'first_child', or 'last_child'.
* @param string $anchor_block_type The anchor block type.
* @param WP_Block_Template|array $context The block template, template part, or pattern that the anchor block belongs to.
*/
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
foreach ( $hooked_block_types as $hooked_block_type ) {
$markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' );
}
$markup .= insert_hooked_blocks( 'first_child', $parent_block, $hooked_blocks, $context );
}

$relative_position = 'before';
$anchor_block_type = $block['blockName'];
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
: array();

/** This filter is documented in wp-includes/blocks.php */
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
foreach ( $hooked_block_types as $hooked_block_type ) {
$markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' );
}
$markup .= insert_hooked_blocks( 'before', $block, $hooked_blocks, $context );

return $markup;
};
Expand Down Expand Up @@ -863,33 +871,11 @@ function make_after_block_visitor( $hooked_blocks, $context ) {
* @return string The serialized markup for the given block, with the markup for any hooked blocks appended to it.
*/
return function ( &$block, &$parent_block = null, $next = null ) use ( $hooked_blocks, $context ) {
$markup = '';

$relative_position = 'after';
$anchor_block_type = $block['blockName'];
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
: array();

/** This filter is documented in wp-includes/blocks.php */
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
foreach ( $hooked_block_types as $hooked_block_type ) {
$markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' );
}
$markup = insert_hooked_blocks( 'after', $block, $hooked_blocks, $context );

if ( $parent_block && ! $next ) {
// Candidate for last-child insertion.
$relative_position = 'last_child';
$anchor_block_type = $parent_block['blockName'];
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
: array();

/** This filter is documented in wp-includes/blocks.php */
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
foreach ( $hooked_block_types as $hooked_block_type ) {
$markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' );
}
$markup .= insert_hooked_blocks( 'last_child', $parent_block, $hooked_blocks, $context );
}

return $markup;
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8 changes: 4 additions & 4 deletions src/wp-includes/blocks/template-part.php
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Original file line number Diff line number Diff line change
Expand Up @@ -43,10 +43,10 @@ function render_block_core_template_part( $attributes ) {
if ( $template_part_post ) {
// A published post might already exist if this template part was customized elsewhere
// or if it's part of a customized template.
$content = $template_part_post->post_content;
$area_terms = get_the_terms( $template_part_post, 'wp_template_part_area' );
if ( ! is_wp_error( $area_terms ) && false !== $area_terms ) {
$area = $area_terms[0]->name;
$block_template = _build_block_template_result_from_post( $template_part_post );
$content = $block_template->content;
if ( isset( $block_template->area ) ) {
$area = $block_template->area;
}
/**
* Fires when a block template part is loaded from a template post stored in the database.
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