From db00d908cef0df64d88e343a2e4d33c1522abcee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Greg=20Zi=C3=83=C2=B3=C3=85=E2=80=9Akowski?=
 <gziolo@git.wordpress.org>
Date: Thu, 4 Jun 2020 06:05:37 +0000
Subject: [PATCH] Blocks: Update default value for some fields in WP_Block_Type

Related to the issue with default values for the blocks registered on the server. By using null for some fields we can treat them as undefined on the client.

See: WordPress/gutenberg#22849.
Props aduth.
Fixes #48529.



git-svn-id: https://develop.svn.wordpress.org/trunk@47907 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/class-wp-block-type.php | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/wp-includes/class-wp-block-type.php b/src/wp-includes/class-wp-block-type.php
index bd1109fb8f..ba0b59b8ad 100644
--- a/src/wp-includes/class-wp-block-type.php
+++ b/src/wp-includes/class-wp-block-type.php
@@ -32,9 +32,9 @@ class WP_Block_Type {
 
 	/**
 	 * @since 5.5.0
-	 * @var string
+	 * @var string|null
 	 */
-	public $category = '';
+	public $category = null;
 
 	/**
 	 * @since 5.5.0
@@ -44,9 +44,9 @@ class WP_Block_Type {
 
 	/**
 	 * @since 5.5.0
-	 * @var string
+	 * @var string|null
 	 */
-	public $icon = '';
+	public $icon = null;
 
 	/**
 	 * @since 5.5.0
@@ -104,25 +104,25 @@ class WP_Block_Type {
 	 * Block type editor script handle.
 	 *
 	 * @since 5.0.0
-	 * @var string
+	 * @var string|null
 	 */
-	public $editor_script = '';
+	public $editor_script = null;
 
 	/**
 	 * Block type front end script handle.
 	 *
 	 * @since 5.0.0
-	 * @var string
+	 * @var string|null
 	 */
-	public $script = '';
+	public $script = null;
 
 	/**
 	 * Block type editor style handle.
 	 *
 	 * @since 5.0.0
-	 * @var string
+	 * @var string|null
 	 */
-	public $editor_style = '';
+	public $editor_style = null;
 
 	/**
 	 * Block type front end style handle.
@@ -130,7 +130,7 @@ class WP_Block_Type {
 	 * @since 5.0.0
 	 * @var string
 	 */
-	public $style = '';
+	public $style = null;
 
 	/**
 	 * Constructor.