Fix: Unregistering a block type causes blocks that convert to it to b…

…reak the editor (#12192)
WordPress · Nov 21, 2018 · 89f8897 · 89f8897
1 parent 43bb1ed
commit 89f8897
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/editor/src/components/block-switcher/index.js b/packages/editor/src/components/block-switcher/index.js
@@ -47,7 +47,7 @@ export class BlockSwitcher extends Component {
 		const possibleBlockTransformations = orderBy(
 			filter(
 				getPossibleBlockTransformations( blocks ),
-				( block ) => !! itemsByName[ block.name ]
+				( block ) => block && !! itemsByName[ block.name ]
 			),
 			( block ) => itemsByName[ block.name ].frecency,
 			'desc'