Editor: Use block settings to pass assets for the iframed editor

Backports changes applied in Gutenberg in WordPress/gutenberg#37193. Props zieladam. See #55505. Follow-up for [53157]. git-svn-id: https://develop.svn.wordpress.org/trunk@53160 602fd350-edb4-49c9-b593-d223f7449a82
WordPress · Apr 12, 2022 · 1d086c5 · 1d086c5
1 parent 51d2b29
commit 1d086c5
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Showing 4 changed files with 83 additions and 83 deletions.
diff --git a/src/wp-includes/block-editor.php b/src/wp-includes/block-editor.php
@@ -287,6 +287,77 @@ function get_legacy_widget_block_editor_settings() {
 	return $editor_settings;
 }
 
+/**
+ * Collect the block editor assets that need to be loaded into the editor's iframe.
+ *
+ * @since 6.0.0
+ * @access private
+ *
+ * @global string $pagenow The filename of the current screen.
+ *
+ * @return array The block editor assets: styles and scripts.
+ */
+function _wp_get_iframed_editor_assets() {
+	global $pagenow;
+
+	$script_handles = array();
+	$style_handles  = array(
+		'wp-block-editor',
+		'wp-block-library',
+		'wp-block-library-theme',
+		'wp-edit-blocks',
+	);
+
+	if ( 'widgets.php' === $pagenow || 'customize.php' === $pagenow ) {
+		$style_handles[] = 'wp-widgets';
+		$style_handles[] = 'wp-edit-widgets';
+	}
+
+	$block_registry = WP_Block_Type_Registry::get_instance();
+
+	foreach ( $block_registry->get_all_registered() as $block_type ) {
+		if ( ! empty( $block_type->style ) ) {
+			$style_handles[] = $block_type->style;
+		}
+
+		if ( ! empty( $block_type->editor_style ) ) {
+			$style_handles[] = $block_type->editor_style;
+		}
+
+		if ( ! empty( $block_type->script ) ) {
+			$script_handles[] = $block_type->script;
+		}
+	}
+
+	$style_handles = array_unique( $style_handles );
+	$done          = wp_styles()->done;
+
+	ob_start();
+
+	// We do not need reset styles for the iframed editor.
+	wp_styles()->done = array( 'wp-reset-editor-styles' );
+	wp_styles()->do_items( $style_handles );
+	wp_styles()->done = $done;
+
+	$styles = ob_get_clean();
+
+	$script_handles = array_unique( $script_handles );
+	$done           = wp_scripts()->done;
+
+	ob_start();
+
+	wp_scripts()->done = array();
+	wp_scripts()->do_items( $script_handles );
+	wp_scripts()->done = $done;
+
+	$scripts = ob_get_clean();
+
+	return array(
+		'styles'  => $styles,
+		'scripts' => $scripts,
+	);
+}
+
 /**
  * Returns the contextualized block editor settings for a selected editor context.
  *
@@ -394,8 +465,8 @@ function get_block_editor_settings( array $custom_settings, $block_editor_contex
 		unset( $editor_settings['__experimentalFeatures']['spacing']['padding'] );
 	}
 
-	$editor_settings['localAutosaveInterval'] = 15;
-
+	$editor_settings['__unstableResolvedAssets']         = _wp_get_iframed_editor_assets();
+	$editor_settings['localAutosaveInterval']            = 15;
 	$editor_settings['__experimentalDiscussionSettings'] = array(
 		'commentOrder'        => get_option( 'comment_order' ),
 		'commentsPerPage'     => get_option( 'comments_per_page' ),

diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
@@ -591,11 +591,6 @@
 add_action( 'wp_head', 'wp_maybe_inline_styles', 1 ); // Run for styles enqueued in <head>.
 add_action( 'wp_footer', 'wp_maybe_inline_styles', 1 ); // Run for late-loaded styles in the footer.
 
-add_action( 'admin_footer-post.php', 'wp_add_iframed_editor_assets_html' );
-add_action( 'admin_footer-post-new.php', 'wp_add_iframed_editor_assets_html' );
-add_action( 'admin_footer-widgets.php', 'wp_add_iframed_editor_assets_html' );
-add_action( 'admin_footer-site-editor.php', 'wp_add_iframed_editor_assets_html' );
-
 add_action( 'use_block_editor_for_post_type', '_disable_block_editor_for_navigation_post_type', 10, 2 );
 add_action( 'edit_form_after_title', '_disable_content_editor_for_navigation_post_type' );
 add_action( 'edit_form_after_editor', '_enable_content_editor_for_navigation_post_type' );

diff --git a/src/wp-includes/deprecated.php b/src/wp-includes/deprecated.php
@@ -4301,3 +4301,13 @@ function wp_skip_spacing_serialization( $block_type ) {
 		array_key_exists( '__experimentalSkipSerialization', $spacing_support ) &&
 		$spacing_support['__experimentalSkipSerialization'];
 }
+
+/**
+ * Inject the block editor assets that need to be loaded into the editor's iframe as an inline script.
+ *
+ * @since 5.8.0
+ * @deprecated 6.0.0
+ */
+function wp_add_iframed_editor_assets_html() {
+	_deprecated_function( __FUNCTION__, '6.0.0' );
+}
diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
@@ -2883,82 +2883,6 @@ function _wp_normalize_relative_css_links( $css, $stylesheet_url ) {
 	return $css;
 }
 
-/**
- * Inject the block editor assets that need to be loaded into the editor's iframe as an inline script.
- *
- * @since 5.8.0
- *
- * @global string $pagenow The filename of the current screen.
- */
-function wp_add_iframed_editor_assets_html() {
-	global $pagenow;
-
-	if ( ! wp_should_load_block_editor_scripts_and_styles() ) {
-		return;
-	}
-
-	$script_handles = array();
-	$style_handles  = array(
-		'wp-block-editor',
-		'wp-block-library',
-		'wp-block-library-theme',
-		'wp-edit-blocks',
-	);
-
-	if ( 'widgets.php' === $pagenow || 'customize.php' === $pagenow ) {
-		$style_handles[] = 'wp-widgets';
-		$style_handles[] = 'wp-edit-widgets';
-	}
-
-	$block_registry = WP_Block_Type_Registry::get_instance();
-
-	foreach ( $block_registry->get_all_registered() as $block_type ) {
-		if ( ! empty( $block_type->style ) ) {
-			$style_handles[] = $block_type->style;
-		}
-
-		if ( ! empty( $block_type->editor_style ) ) {
-			$style_handles[] = $block_type->editor_style;
-		}
-
-		if ( ! empty( $block_type->script ) ) {
-			$script_handles[] = $block_type->script;
-		}
-	}
-
-	$style_handles = array_unique( $style_handles );
-	$done          = wp_styles()->done;
-
-	ob_start();
-
-	// We do not need reset styles for the iframed editor.
-	wp_styles()->done = array( 'wp-reset-editor-styles' );
-	wp_styles()->do_items( $style_handles );
-	wp_styles()->done = $done;
-
-	$styles = ob_get_clean();
-
-	$script_handles = array_unique( $script_handles );
-	$done           = wp_scripts()->done;
-
-	ob_start();
-
-	wp_scripts()->done = array();
-	wp_scripts()->do_items( $script_handles );
-	wp_scripts()->done = $done;
-
-	$scripts = ob_get_clean();
-
-	$editor_assets = wp_json_encode(
-		array(
-			'styles'  => $styles,
-			'scripts' => $scripts,
-		)
-	);
-
-	echo "<script>window.__editorAssets = $editor_assets</script>";
-}
-
 /**
  * Function that enqueues the CSS Custom Properties coming from theme.json.
  *