File: wp-includes/theme.php. View all references

function _add_default_theme_supports() {
	if ( ! wp_is_block_theme() ) {
		return;
	}

	add_theme_support( 'post-thumbnails' );
	add_theme_support( 'responsive-embeds' );
	add_theme_support( 'editor-styles' );
	/*
	 * Makes block themes support HTML5 by default for the comment block and search form
	 * (which use default template functions) and `[caption]` and `[gallery]` shortcodes.
	 * Other blocks contain their own HTML5 markup.
	 */
	add_theme_support( 'html5', array( 'comment-form', 'comment-list', 'search-form', 'gallery', 'caption', 'style', 'script' ) );
	add_theme_support( 'automatic-feed-links' );

	add_filter( 'should_load_separate_core_block_assets', '__return_true' );

	/*
	 * Remove the Customizer's Menus panel when block theme is active.
	 */
	add_filter(
		'customize_panel_active',
		static function ( $active, WP_Customize_Panel $panel ) {
			if (
				'nav_menus' === $panel->id &&
				! current_theme_supports( 'menus' ) &&
				! current_theme_supports( 'widgets' )
			) {
				$active = false;
			}
			return $active;
		},
		10,
		2
	);
}

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