Preparation for including Blocks as the default checkout experience in WC 8.3 (#11372)

Author: wavvves

src/Installer.php

@@ -24,14 +24,23 @@ public function install() {
 	}
 
 	/**
-	 * Modifies default page content.
+	 * Modifies default page content replacing it with classic shortcode block.
+	 * We check for shortcode as default because after WooCommerce 8.3, block based checkout is used by default.
+	 * This only runs on Tools > Create Pages as the filter is not applied on WooCommerce plugin activation.
 	 *
 	 * @param array $pages Default pages.
 	 * @return array
 	 */
 	public function create_pages( $pages ) {
-		$pages['cart']['content']     = '<!-- wp:woocommerce/classic-shortcode {"shortcode":"cart"} /-->';
-		$pages['checkout']['content'] = '<!-- wp:woocommerce/classic-shortcode {"shortcode":"checkout"} /-->';
+
+		if ( '<!-- wp:shortcode -->[woocommerce_cart]<!-- /wp:shortcode -->' === $pages['cart']['content'] ) {
+			$pages['cart']['content'] = '<!-- wp:woocommerce/classic-shortcode {"shortcode":"cart"} /-->';
+		}
+
+		if ( '<!-- wp:shortcode -->[woocommerce_checkout]<!-- /wp:shortcode -->' === $pages['checkout']['content'] ) {
+			$pages['checkout']['content'] = '<!-- wp:woocommerce/classic-shortcode {"shortcode":"checkout"} /-->';
+		}
+
 		return $pages;
 	}