Refactor getBlockTransforms to use block type normalization

packages/blocks/src/api/factory.js

@@ -25,6 +25,7 @@ import { createHooks, applyFilters } from '@wordpress/hooks';
  * Internal dependencies
  */
 import { getBlockType, getBlockTypes } from './registration';
+import { normalizeBlockType } from './utils';
 
 /**
  * Returns a block object given its type and attributes.
@@ -279,21 +280,22 @@ export function findTransform( transforms, predicate ) {
  * transform object includes `blockName` as a property.
  *
  * @param {string}  direction Transform direction ("to", "from").
- * @param {?string} blockName Optional block name.
+ * @param {string|Object} blockTypeOrName  Block type or name.
  *
  * @return {Array} Block transforms for direction.
  */
-export function getBlockTransforms( direction, blockName ) {
+export function getBlockTransforms( direction, blockTypeOrName ) {
 	// When retrieving transforms for all block types, recurse into self.
-	if ( blockName === undefined ) {
+	if ( blockTypeOrName === undefined ) {
 		return flatMap(
 			getBlockTypes(),
 			( { name } ) => getBlockTransforms( direction, name )
 		);
 	}
 
 	// Validate that block type exists and has array of direction.
-	const { transforms } = getBlockType( blockName ) || {};
+	const blockType = normalizeBlockType( blockTypeOrName );
+	const { name: blockName, transforms } = blockType || {};
 	if ( ! transforms || ! Array.isArray( transforms[ direction ] ) ) {
 		return [];
 	}

packages/blocks/src/api/test/factory.js

@@ -15,7 +15,12 @@ import {
 	getBlockTransforms,
 	findTransform,
 } from '../factory';
-import { getBlockTypes, unregisterBlockType, registerBlockType } from '../registration';
+import {
+	getBlockType,
+	getBlockTypes,
+	registerBlockType,
+	unregisterBlockType,
+} from '../registration';
 
 describe( 'block factory', () => {
 	const defaultBlockSettings = {
@@ -1181,6 +1186,20 @@ describe( 'block factory', () => {
 				},
 			] );
 		} );
+
+		it( 'should return single block type transforms when passed as an object', () => {
+			const transforms = getBlockTransforms(
+				'from',
+				getBlockType( 'core/transform-from-text-block-1' )
+			);
+
+			expect( transforms ).toEqual( [
+				{
+					blocks: [ 'core/text-block' ],
+					blockName: 'core/transform-from-text-block-1',
+				},
+			] );
+		} );
 	} );
 
 	describe( 'findTransform', () => {