From 1cfdda666e70b08833c2919dad8d920b614fa3a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Fern=C3=A1ndez=20de=20Alba?=
 <sneridagh@gmail.com>
Date: Mon, 9 Dec 2024 11:25:07 +0100
Subject: [PATCH] Fixed circular import error in dev with HMR in core Blocks
 shadow customizations (#6525)

---
 packages/volto/news/6525.bugfix      |  1 +
 packages/volto/src/config/Blocks.jsx |  9 +++++++++
 packages/volto/src/config/index.js   | 20 ++++----------------
 3 files changed, 14 insertions(+), 16 deletions(-)
 create mode 100644 packages/volto/news/6525.bugfix

diff --git a/packages/volto/news/6525.bugfix b/packages/volto/news/6525.bugfix
new file mode 100644
index 0000000000..39351c4afc
--- /dev/null
+++ b/packages/volto/news/6525.bugfix
@@ -0,0 +1 @@
+Fixed circular import error in dev with HMR in core Blocks shadow customizations. @sneridagh
diff --git a/packages/volto/src/config/Blocks.jsx b/packages/volto/src/config/Blocks.jsx
index 573bdce903..0110a6616c 100644
--- a/packages/volto/src/config/Blocks.jsx
+++ b/packages/volto/src/config/Blocks.jsx
@@ -530,6 +530,15 @@ const requiredBlocks = ['title'];
 const initialBlocks = {};
 const initialBlocksFocus = {}; //{Document:'title'}
 
+export function installDefaultBlocks(config) {
+  config.blocks.requiredBlocks = requiredBlocks;
+  config.blocks.blocksConfig = blocksConfig;
+  config.blocks.groupBlocksOrder = groupBlocksOrder;
+  config.blocks.initialBlocks = initialBlocks;
+  config.blocks.initialBlocksFocus = initialBlocksFocus;
+  config.blocks.showEditBlocksInBabelView = false;
+}
+
 export {
   groupBlocksOrder,
   requiredBlocks,
diff --git a/packages/volto/src/config/index.js b/packages/volto/src/config/index.js
index c689a84b73..cf912fbaf0 100644
--- a/packages/volto/src/config/index.js
+++ b/packages/volto/src/config/index.js
@@ -1,3 +1,4 @@
+import ConfigRegistry from '@plone/volto/registry';
 import { parse as parseUrl } from 'url';
 import { defaultWidget, widgetMapping } from './Widgets';
 import {
@@ -9,13 +10,6 @@ import {
 } from './Views';
 import { nonContentRoutes } from './NonContentRoutes';
 import { nonContentRoutesPublic } from './NonContentRoutesPublic';
-import {
-  groupBlocksOrder,
-  requiredBlocks,
-  blocksConfig,
-  initialBlocks,
-  initialBlocksFocus,
-} from './Blocks';
 import { loadables } from './Loadables';
 import { workflowMapping } from './Workflows';
 import slots from './slots';
@@ -31,8 +25,8 @@ import {
 
 import applyAddonConfiguration, { addonsInfo } from 'load-volto-addons';
 
-import ConfigRegistry from '@plone/volto/registry';
 import { installDefaultComponents } from './Components';
+import { installDefaultBlocks } from './Blocks';
 
 import { getSiteAsyncPropExtender } from '@plone/volto/helpers/Site';
 import { registerValidators } from './validation';
@@ -206,14 +200,7 @@ let config = {
     errorViews,
     layoutViewsNamesMapping,
   },
-  blocks: {
-    requiredBlocks,
-    blocksConfig,
-    groupBlocksOrder,
-    initialBlocks,
-    initialBlocksFocus,
-    showEditBlocksInBabelView: false,
-  },
+  blocks: {},
   addonRoutes: [],
   addonReducers: {},
   components: {},
@@ -262,5 +249,6 @@ Object.entries(slots).forEach(([slotName, components]) => {
 
 registerValidators(ConfigRegistry);
 installDefaultComponents(ConfigRegistry);
+installDefaultBlocks(ConfigRegistry);
 
 applyAddonConfiguration(ConfigRegistry);