Fix error and improve privacy of sectionRootClientId setting

packages/block-editor/src/components/block-tools/zoom-out-mode-inserters.js

@@ -10,7 +10,7 @@ import { useEffect, useState } from '@wordpress/element';
 import BlockPopoverInbetween from '../block-popover/inbetween';
 import ZoomOutModeInserterButton from './zoom-out-mode-inserter-button';
 import { store as blockEditorStore } from '../../store';
-import { unlock } from '../../lock-unlock';
+import { sectionRootClientIdKey } from '../../store/private-keys';
 
 function ZoomOutModeInserters() {
 	const [ isReady, setIsReady ] = useState( false );
@@ -33,7 +33,7 @@ function ZoomOutModeInserters() {
 			getHoveredBlockClientId,
 			isBlockInsertionPointVisible,
 		} = select( blockEditorStore );
-		const { sectionRootClientId: root } = unlock( getSettings() );
+		const { [ sectionRootClientIdKey ]: root } = getSettings();
 		return {
 			hasSelection: !! getSelectionStart().clientId,
 			blockInsertionPoint: getBlockInsertionPoint(),

packages/block-editor/src/components/inner-blocks/index.js

@@ -30,6 +30,7 @@ import useBlockSync from '../provider/use-block-sync';
 import { store as blockEditorStore } from '../../store';
 import useBlockDropZone from '../use-block-drop-zone';
 import { unlock } from '../../lock-unlock';
+import { sectionRootClientIdKey } from '../../store/private-keys';
 
 const EMPTY_OBJECT = {};
 
@@ -225,7 +226,8 @@ export function useInnerBlocksProps( props = {}, options = {} ) {
 				// In zoom out mode, we want to disable the drop zone for the sections.
 				// The inner blocks belonging to the section drop zone is
 				// already disabled by the blocks themselves being disabled.
-				const { sectionRootClientId } = unlock( getSettings() );
+				const { [ sectionRootClientIdKey ]: sectionRootClientId } =
+					getSettings();
 
 				_isDropZoneDisabled = clientId !== sectionRootClientId;
 			}

packages/block-editor/src/components/use-block-drop-zone/index.js

@@ -24,6 +24,7 @@ import {
 } from '../../utils/math';
 import { store as blockEditorStore } from '../../store';
 import { unlock } from '../../lock-unlock';
+import { sectionRootClientIdKey } from '../../store/private-keys';
 
 const THRESHOLD_DISTANCE = 30;
 const MINIMUM_HEIGHT_FOR_THRESHOLD = 120;
@@ -360,7 +361,8 @@ export default function useBlockDropZone( {
 					return;
 				}
 
-				const { sectionRootClientId } = unlock( getSettings() );
+				const { [ sectionRootClientIdKey ]: sectionRootClientId } =
+					getSettings();
 
 				// In Zoom Out mode, if the target is not the section root provided by settings then
 				// do not allow dropping as the drop target is not within the root (that which is

packages/block-editor/src/private-apis.js

@@ -38,6 +38,7 @@ import {
 	reusableBlocksSelectKey,
 	globalStylesDataKey,
 	globalStylesLinksDataKey,
+	sectionRootClientIdKey,
 } from './store/private-keys';
 import { requiresWrapperOnCopy } from './components/writing-flow/utils';
 import { PrivateRichText } from './components/rich-text/';
@@ -94,4 +95,5 @@ lock( privateApis, {
 	__unstableBlockStyleVariationOverridesWithConfig,
 	setBackgroundStyleDefaults,
 	useBlockBindingsUtils,
+	sectionRootClientIdKey,
 } );

packages/block-editor/src/store/actions.js

@@ -35,7 +35,8 @@ import {
 	privateRemoveBlocks,
 } from './private-actions';
 import { STORE_NAME } from './constants';
-import { unlock } from '../lock-unlock';
+
+import { sectionRootClientIdKey } from './private-keys';
 
 /** @typedef {import('../components/use-on-block-drop/types').WPDropOperation} WPDropOperation */
 
@@ -1674,9 +1675,10 @@ export const __unstableSetEditorMode =
 		// When switching to zoom-out mode, we need to select the parent section
 		if ( mode === 'zoom-out' ) {
 			const firstSelectedClientId = select.getBlockSelectionStart();
-			const { sectionRootClientId } = unlock(
-				registry.select( STORE_NAME ).getSettings()
-			);
+			const { [ sectionRootClientIdKey ]: sectionRootClientId } = registry
+				.select( STORE_NAME )
+				.getSettings();
+
 			if ( firstSelectedClientId ) {
 				let sectionClientId;
 

packages/block-editor/src/store/private-keys.js

@@ -2,3 +2,4 @@ export const globalStylesDataKey = Symbol( 'globalStylesDataKey' );
 export const globalStylesLinksDataKey = Symbol( 'globalStylesLinks' );
 export const selectBlockPatternsKey = Symbol( 'selectBlockPatternsKey' );
 export const reusableBlocksSelectKey = Symbol( 'reusableBlocksSelect' );
+export const sectionRootClientIdKey = Symbol( 'sectionRootClientIdKey' );

packages/block-editor/src/store/selectors.js

@@ -39,6 +39,8 @@ import {
 	getTemporarilyEditingFocusModeToRevert,
 } from './private-selectors';
 
+import { sectionRootClientIdKey } from './private-keys';
+
 /**
  * A block selection object.
  *
@@ -2058,9 +2060,10 @@ export const getInserterItems = createRegistrySelector( ( select ) =>
 							if ( ! item.rootClientId ) {
 								let sectionRootClientId;
 								try {
-									sectionRootClientId = unlock(
-										getSettings( state )
-									).sectionRootClientId;
+									sectionRootClientId =
+										getSettings( state )[
+											sectionRootClientIdKey
+										];
 								} catch ( e ) {}
 								if (
 									sectionRootClientId &&
@@ -2838,7 +2841,8 @@ export function __unstableHasActiveBlockOverlayActive( state, clientId ) {
 
 	// In zoom-out mode, the block overlay is always active for section level blocks.
 	if ( editorMode === 'zoom-out' ) {
-		const { sectionRootClientId } = unlock( getSettings( state ) );
+		const { [ sectionRootClientIdKey ]: sectionRootClientId } =
+			getSettings( state );
 		if ( sectionRootClientId ) {
 			const sectionClientIds = getBlockOrder(
 				state,
@@ -2931,7 +2935,9 @@ export const getBlockEditingMode = createRegistrySelector(
 			// sections.
 			const editorMode = __unstableGetEditorMode( state );
 			if ( editorMode === 'zoom-out' ) {
-				const { sectionRootClientId } = unlock( getSettings( state ) );
+				const { [ sectionRootClientIdKey ]: sectionRootClientId } =
+					getSettings( state );
+
 				if ( clientId === '' /* ROOT_CONTAINER_CLIENT_ID */ ) {
 					return sectionRootClientId ? 'disabled' : 'contentOnly';
 				}

packages/editor/src/components/inserter-sidebar/index.js

@@ -18,7 +18,9 @@ import { store as interfaceStore } from '@wordpress/interface';
 import { unlock } from '../../lock-unlock';
 import { store as editorStore } from '../../store';
 
-const { PrivateInserterLibrary } = unlock( blockEditorPrivateApis );
+const { PrivateInserterLibrary, sectionRootClientIdKey } = unlock(
+	blockEditorPrivateApis
+);
 
 export default function InserterSidebar() {
 	const {
@@ -44,7 +46,8 @@ export default function InserterSidebar() {
 		const { getActiveComplementaryArea } = select( interfaceStore );
 		const getBlockSectionRootClientId = () => {
 			if ( __unstableGetEditorMode() === 'zoom-out' ) {
-				const { sectionRootClientId } = unlock( getSettings() );
+				const { [ sectionRootClientIdKey ]: sectionRootClientId } =
+					getSettings();
 				if ( sectionRootClientId ) {
 					return sectionRootClientId;
 				}

packages/editor/src/components/provider/use-block-editor-settings.js

@@ -23,7 +23,7 @@ import {
 import inserterMediaCategories from '../media-categories';
 import { mediaUpload } from '../../utils';
 import { store as editorStore } from '../../store';
-import { lock, unlock } from '../../lock-unlock';
+import { unlock } from '../../lock-unlock';
 import { useGlobalStylesContext } from '../global-styles-provider';
 
 const EMPTY_BLOCKS_LIST = [];
@@ -74,7 +74,6 @@ const BLOCK_EDITOR_SETTINGS = [
 	'postContentAttributes',
 	'postsPerPage',
 	'readOnly',
-	'sectionRootClientId',
 	'styles',
 	'titlePlaceholder',
 	'supportsLayout',
@@ -90,6 +89,7 @@ const {
 	globalStylesLinksDataKey,
 	selectBlockPatternsKey,
 	reusableBlocksSelectKey,
+	sectionRootClientIdKey,
 } = unlock( privateApis );
 
 /**
@@ -325,10 +325,9 @@ function useBlockEditorSettings( settings, postType, postId, renderingMode ) {
 					? [ [ 'core/navigation', {}, [] ] ]
 					: settings.template,
 			__experimentalSetIsInserterOpened: setIsInserterOpened,
+			[ sectionRootClientIdKey ]: sectionRootClientId,
 		};
-		lock( blockEditorSettings, {
-			sectionRootClientId,
-		} );
+
 		return blockEditorSettings;
 	}, [
 		allowedBlockTypes,