Rename allowedBlockTypes to parent

docs/block-api.md

@@ -264,17 +264,17 @@ A once-only block can be inserted into each post, one time only. For example, th
 useOnce: true,
 ```
 
-#### allowedParentBlocks (optional)
+#### parent (optional)
 
 * **Type:** `Array`
 
 Blocks can be inserted into other blocks as nested content. Sometimes it is useful to restrict a block so that it is only available as a nested block. For example, you might want to allow an 'Add to Cart' block to only be available within a 'Product' block.
 
-Setting `allowedParentBlocks` lets a block require that it is only available when nested within the specified blocks.
+Setting `parent` lets a block require that it is only available when nested within the specified blocks.
 
 ```js
 // Only allow this block when it is nested in a Columns block
-allowedParentBlocks: [ 'core/columns' ],
+parent: [ 'core/columns' ],
 ```
 
 #### supports (optional)

editor/store/selectors.js

@@ -1245,7 +1245,7 @@ export const canInsertBlockType = createSelector(
 		const parentAllowedBlocks = get( parentBlockListSettings, [ 'supportedBlocks' ] );
 		const hasParentAllowedBlock = checkAllowList( parentAllowedBlocks, blockName );
 
-		const blockAllowedParentBlocks = blockType.allowedParentBlocks;
+		const blockAllowedParentBlocks = blockType.parent;
 		const parentName = getBlockName( state, parentUID );
 		const hasBlockAllowedParent = checkAllowList( blockAllowedParentBlocks, parentName );
 
@@ -1389,7 +1389,7 @@ export const getInserterItems = createSelector(
 				isDisabled = getBlocks( state ).some( ( block ) => block.name === blockType.name );
 			}
 
-			const isContextual = isArray( blockType.allowedParentBlocks );
+			const isContextual = isArray( blockType.parent );
 			const { time, count } = getInsertUsage( state, id );
 
 			return {

editor/store/test/selectors.js

@@ -127,7 +127,7 @@ describe( 'selectors', () => {
 			title: 'Test Block C',
 			icon: 'test',
 			keywords: [ 'testing' ],
-			allowedParentBlocks: [ 'core/test-block-b' ],
+			parent: [ 'core/test-block-b' ],
 		} );
 
 		cachedSelectors = filter( selectors, property( 'clear' ) );
@@ -2698,7 +2698,7 @@ describe( 'selectors', () => {
 			expect( canInsertBlockType( state, 'core/test-block-a' ) ).toBe( false );
 		} );
 
-		it( 'should deny blocks that restrict allowedParentBlocks from being inserted into the root', () => {
+		it( 'should deny blocks that restrict parent from being inserted into the root', () => {
 			const state = {
 				editor: {
 					present: {
@@ -2711,7 +2711,7 @@ describe( 'selectors', () => {
 			expect( canInsertBlockType( state, 'core/test-block-c' ) ).toBe( false );
 		} );
 
-		it( 'should deny blocks that restrict allowedParentBlocks from being inserted into a restricted parent', () => {
+		it( 'should deny blocks that restrict parent from being inserted into a restricted parent', () => {
 			const state = {
 				editor: {
 					present: {
@@ -2726,7 +2726,7 @@ describe( 'selectors', () => {
 			expect( canInsertBlockType( state, 'core/test-block-c', 'block1' ) ).toBe( false );
 		} );
 
-		it( 'should allow blocks that restrict allowedParentBlocks to be inserted into an allowed parent', () => {
+		it( 'should allow blocks that restrict parent to be inserted into an allowed parent', () => {
 			const state = {
 				editor: {
 					present: {
@@ -2779,7 +2779,7 @@ describe( 'selectors', () => {
 			expect( canInsertBlockType( state, 'core/test-block-b', 'block1' ) ).toBe( true );
 		} );
 
-		it( 'should prioritise allowedParentBlocks over allowedBlocks', () => {
+		it( 'should prioritise parent over allowedBlocks', () => {
 			const state = {
 				editor: {
 					present: {