Change Sitemap when CMS hosted in subdirectory

Replies: 1

How can we change the links generated by the Yoast plugin. Our CMS is hosted in a subdirectory and therefore when the sitemap is generated the links all have the subdirectory in the URL.

Furthermore to this we are using WP purely has a headless CMS with a VueJS/Nuxt frontend. One ‘work-around’ would be to edit the “class-sitemaps-router.php’ file and change the home_url for when the sitemap is generated. However, we don’t want to have to edit this file as when we update the plugin our changes will get over-written:

public static function get_base_url( $page ) {

		global $wp_rewrite;

		$base = $wp_rewrite->using_index_permalinks() ? 'index.php/' : '/';

		/**
		 * Filter the base URL of the sitemaps.
		 *
		 * @param string $base The string that should be added to home_url() to make the full base URL.
		 */
		$base = apply_filters( 'wpseo_sitemaps_base_url', $base );

		/*
		 * Get the scheme from the configured home URL instead of letting WordPress
		 * determine the scheme based on the requested URI.
		 */
		return home_url( $base . $page, wp_parse_url( get_option( 'home' ), PHP_URL_SCHEME ) );
	}

Any help would be much appreciated.