errors() ) ) { if ( current_filter() === 'template' ) { $theme_path = $wp_theme->get_template(); } else { $theme_path = $wp_theme->get_stylesheet(); } return sanitize_text_field( $theme_path ); } return $current_stylesheet; } /** * Adds a middleware to `apiFetch` to set the theme for the preview. * This adds a `wp_theme_preview` URL parameter to API requests from the Site Editor, so they also respond as if the theme is set to the value of the parameter. * * @since 6.3.0 */ function wp_attach_theme_preview_middleware() { // Don't allow non-admins to preview themes. if ( ! current_user_can( 'switch_themes' ) ) { return; } wp_add_inline_script( 'wp-api-fetch', sprintf( 'wp.apiFetch.use( wp.apiFetch.createThemePreviewMiddleware( %s ) );', wp_json_encode( sanitize_text_field( wp_unslash( $_GET['wp_theme_preview'] ) ) ) ), 'after' ); } /** * Set a JavaScript constant for theme activation. * * Sets the JavaScript global WP_BLOCK_THEME_ACTIVATE_NONCE containing the nonce * required to activate a theme. For use within the site editor. * * @see https://github.com/WordPress/gutenberg/pull/41836. * * @since 6.3.0 * @access private */ function wp_block_theme_activate_nonce() { $nonce_handle = 'switch-theme_' . wp_get_theme_preview_path(); ?>