Add a command center to the site editor.

docs/manifest.json

@@ -1469,6 +1469,12 @@
 		"markdown_source": "../packages/browserslist-config/README.md",
 		"parent": "packages"
 	},
+	{
+		"title": "@wordpress/commands",
+		"slug": "packages-commands",
+		"markdown_source": "../packages/commands/README.md",
+		"parent": "packages"
+	},
 	{
 		"title": "@wordpress/components",
 		"slug": "packages-components",

lib/client-assets.php

@@ -385,11 +385,20 @@ function gutenberg_register_packages_styles( $styles ) {
 	);
 	$styles->add_data( 'wp-list-reusable-block', 'rtl', 'replace' );
 
+	gutenberg_override_style(
+		$styles,
+		'wp-commands',
+		gutenberg_url( 'build/commands/style.css' ),
+		array( 'wp-components' ),
+		$version
+	);
+	$styles->add_data( 'wp-commands', 'rtl', 'replace' );
+
 	gutenberg_override_style(
 		$styles,
 		'wp-edit-site',
 		gutenberg_url( 'build/edit-site/style.css' ),
-		array( 'wp-components', 'wp-block-editor', 'wp-editor', 'wp-edit-blocks' ),
+		array( 'wp-components', 'wp-block-editor', 'wp-editor', 'wp-edit-blocks', 'wp-commands' ),
 		$version
 	);
 	$styles->add_data( 'wp-edit-site', 'rtl', 'replace' );

lib/experimental/editor-settings.php

@@ -83,6 +83,9 @@ function gutenberg_enable_experiments() {
 	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-color-randomizer', $gutenberg_experiments ) ) {
 		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEnableColorRandomizer = true', 'before' );
 	}
+	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-command-center', $gutenberg_experiments ) ) {
+		wp_add_inline_script( 'wp-edit-site', 'window.__experimentalEnableCommandCenter = true', 'before' );
+	}
 	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-group-grid-variation', $gutenberg_experiments ) ) {
 		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEnableGroupGridVariation = true', 'before' );
 	}

lib/experiments-page.php

@@ -65,6 +65,18 @@ function gutenberg_initialize_experiments_settings() {
 		)
 	);
 
+	add_settings_field(
+		'gutenberg-command-center',
+		__( 'Command center ', 'gutenberg' ),
+		'gutenberg_display_experiment_field',
+		'gutenberg-experiments',
+		'gutenberg_experiments_section',
+		array(
+			'label' => __( 'Test the command center; Open it using cmd + k in the site editor.', 'gutenberg' ),
+			'id'    => 'gutenberg-command-center',
+		)
+	);
+
 	add_settings_field(
 		'gutenberg-group-grid-variation',
 		__( 'Grid variation for Group block ', 'gutenberg' ),