Rename parentClientId to rootClientId for consistency (#11274)

We refer to the same concept as rootClientId elsewhere in the
application.

docs/data/data-core-editor.md

@@ -1074,17 +1074,13 @@ Post content.
 
 ### canInsertBlockType
 
-Determines if the given block type is allowed to be inserted, and, if
-parentClientId is provided, whether it is allowed to be nested within the
-given parent.
+Determines if the given block type is allowed to be inserted into the block list.
 
 *Parameters*
 
  * state: Editor state.
- * blockName: The name of the given block type, e.g.
-                                'core/paragraph'.
- * parentClientId: The parent that the given block is to be
-                                nested within, or null.
+ * blockName: The name of the block type, e.g.' core/paragraph'.
+ * rootClientId: Optional root client ID of block list.
 
 *Returns*
 
@@ -1114,7 +1110,7 @@ Items are returned ordered descendingly by their 'utility' and 'frecency'.
 *Parameters*
 
  * state: Editor state.
- * parentClientId: The block we are inserting into, if any.
+ * rootClientId: Optional root client ID of block list.
 
 *Returns*
 

packages/editor/src/components/autocompleters/block.js

@@ -23,14 +23,14 @@ function defaultGetBlockInsertionParentClientId() {
 /**
  * Returns the inserter items for the specified parent block.
  *
- * @param {string} parentClientId Client ID of the block for which to retrieve
- *                                inserter items.
+ * @param {string} rootClientId Client ID of the block for which to retrieve
+ *                              inserter items.
  *
  * @return {Array<Editor.InserterItem>} The inserter items for the specified
  *                                      parent.
  */
-function defaultGetInserterItems( parentClientId ) {
-	return select( 'core/editor' ).getInserterItems( parentClientId );
+function defaultGetInserterItems( rootClientId ) {
+	return select( 'core/editor' ).getInserterItems( rootClientId );
 }
 
 /**

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

@@ -128,12 +128,12 @@ InnerBlocks = compose( [
 			getTemplateLock,
 		} = select( 'core/editor' );
 		const { clientId } = ownProps;
-		const parentClientId = getBlockRootClientId( clientId );
+		const rootClientId = getBlockRootClientId( clientId );
 		return {
 			isSelectedBlockInRoot: isBlockSelected( clientId ) || hasSelectedInnerBlock( clientId ),
 			block: getBlock( clientId ),
 			blockListSettings: getBlockListSettings( clientId ),
-			parentLock: getTemplateLock( parentClientId ),
+			parentLock: getTemplateLock( rootClientId ),
 		};
 	} ),
 	withDispatch( ( dispatch, ownProps ) => {

packages/editor/src/store/selectors.js

@@ -1506,20 +1506,16 @@ export const getEditedPostContent = createSelector(
 );
 
 /**
- * Determines if the given block type is allowed to be inserted, and, if
- * parentClientId is provided, whether it is allowed to be nested within the
- * given parent.
+ * Determines if the given block type is allowed to be inserted into the block list.
  *
- * @param {Object}  state          Editor state.
- * @param {string}  blockName      The name of the given block type, e.g.
- *                                 'core/paragraph'.
- * @param {?string} parentClientId The parent that the given block is to be
- *                                 nested within, or null.
+ * @param {Object}  state        Editor state.
+ * @param {string}  blockName    The name of the block type, e.g.' core/paragraph'.
+ * @param {?string} rootClientId Optional root client ID of block list.
  *
  * @return {boolean} Whether the given block type is allowed to be inserted.
  */
 export const canInsertBlockType = createSelector(
-	( state, blockName, parentClientId = null ) => {
+	( state, blockName, rootClientId = null ) => {
 		const checkAllowList = ( list, item, defaultResult = null ) => {
 			if ( isBoolean( list ) ) {
 				return list;
@@ -1542,17 +1538,17 @@ export const canInsertBlockType = createSelector(
 			return false;
 		}
 
-		const isLocked = !! getTemplateLock( state, parentClientId );
+		const isLocked = !! getTemplateLock( state, rootClientId );
 		if ( isLocked ) {
 			return false;
 		}
 
-		const parentBlockListSettings = getBlockListSettings( state, parentClientId );
+		const parentBlockListSettings = getBlockListSettings( state, rootClientId );
 		const parentAllowedBlocks = get( parentBlockListSettings, [ 'allowedBlocks' ] );
 		const hasParentAllowedBlock = checkAllowList( parentAllowedBlocks, blockName );
 
 		const blockAllowedParentBlocks = blockType.parent;
-		const parentName = getBlockName( state, parentClientId );
+		const parentName = getBlockName( state, rootClientId );
 		const hasBlockAllowedParent = checkAllowList( blockAllowedParentBlocks, parentName );
 
 		if ( hasParentAllowedBlock !== null && hasBlockAllowedParent !== null ) {
@@ -1565,9 +1561,9 @@ export const canInsertBlockType = createSelector(
 
 		return true;
 	},
-	( state, blockName, parentClientId ) => [
-		state.blockListSettings[ parentClientId ],
-		state.editor.present.blocksByClientId[ parentClientId ],
+	( state, blockName, rootClientId ) => [
+		state.blockListSettings[ rootClientId ],
+		state.editor.present.blocksByClientId[ rootClientId ],
 		state.settings.allowedBlockTypes,
 		state.settings.templateLock,
 	],
@@ -1607,8 +1603,8 @@ function getInsertUsage( state, id ) {
  *
  * Items are returned ordered descendingly by their 'utility' and 'frecency'.
  *
- * @param {Object}  state          Editor state.
- * @param {?string} parentClientId The block we are inserting into, if any.
+ * @param {Object}  state        Editor state.
+ * @param {?string} rootClientId Optional root client ID of block list.
  *
  * @return {Editor.InserterItem[]} Items that appear in inserter.
  *
@@ -1626,7 +1622,7 @@ function getInsertUsage( state, id ) {
  * @property {number}   frecency          Hueristic that combines frequency and recency.
  */
 export const getInserterItems = createSelector(
-	( state, parentClientId = null ) => {
+	( state, rootClientId = null ) => {
 		const calculateUtility = ( category, count, isContextual ) => {
 			if ( isContextual ) {
 				return INSERTER_UTILITY_HIGH;
@@ -1664,7 +1660,7 @@ export const getInserterItems = createSelector(
 				return false;
 			}
 
-			return canInsertBlockType( state, blockType.name, parentClientId );
+			return canInsertBlockType( state, blockType.name, rootClientId );
 		};
 
 		const buildBlockTypeInserterItem = ( blockType ) => {
@@ -1694,7 +1690,7 @@ export const getInserterItems = createSelector(
 		};
 
 		const shouldIncludeReusableBlock = ( reusableBlock ) => {
-			if ( ! canInsertBlockType( state, 'core/block', parentClientId ) ) {
+			if ( ! canInsertBlockType( state, 'core/block', rootClientId ) ) {
 				return false;
 			}
 
@@ -1708,7 +1704,7 @@ export const getInserterItems = createSelector(
 				return false;
 			}
 
-			if ( ! canInsertBlockType( state, referencedBlockType.name, parentClientId ) ) {
+			if ( ! canInsertBlockType( state, referencedBlockType.name, rootClientId ) ) {
 				return false;
 			}
 
@@ -1753,8 +1749,8 @@ export const getInserterItems = createSelector(
 			[ 'desc', 'desc' ]
 		);
 	},
-	( state, parentClientId ) => [
-		state.blockListSettings[ parentClientId ],
+	( state, rootClientId ) => [
+		state.blockListSettings[ rootClientId ],
 		state.editor.present.blockOrder,
 		state.editor.present.blocksByClientId,
 		state.preferences.insertUsage,