Add new option to show or hide empty categories

docs/reference-guides/core-blocks.md

@@ -69,7 +69,7 @@ Display a list of all categories. ([Source](https://github.com/WordPress/gutenbe
 -	**Name:** core/categories
 -	**Category:** widgets
 -	**Supports:** align, ~~html~~
--	**Attributes:** displayAsDropdown, showHierarchy, showOnlyTopLevel, showPostCounts
+-	**Attributes:** displayAsDropdown, showEmpty, showHierarchy, showOnlyTopLevel, showPostCounts
 
 ## Code
 

packages/block-library/src/categories/block.json

@@ -22,6 +22,10 @@
 		"showOnlyTopLevel": {
 			"type": "boolean",
 			"default": false
+		},
+		"showEmpty": {
+			"type": "boolean",
+			"default": false
 		}
 	},
 	"supports": {

packages/block-library/src/categories/edit.js

@@ -25,11 +25,12 @@ export default function CategoriesEdit( {
 		showHierarchy,
 		showPostCounts,
 		showOnlyTopLevel,
+		showEmpty,
 	},
 	setAttributes,
 } ) {
 	const selectId = useInstanceId( CategoriesEdit, 'blocks-category-select' );
-	const query = { per_page: -1, hide_empty: true, context: 'view' };
+	const query = { per_page: -1, hide_empty: ! showEmpty, context: 'view' };
 	if ( showOnlyTopLevel ) {
 		query.parent = 0;
 	}
@@ -144,6 +145,11 @@ export default function CategoriesEdit( {
 						checked={ showOnlyTopLevel }
 						onChange={ toggleAttribute( 'showOnlyTopLevel' ) }
 					/>
+					<ToggleControl
+						label={ __( 'Show empty categories' ) }
+						checked={ showEmpty }
+						onChange={ toggleAttribute( 'showEmpty' ) }
+					/>
 					{ ! showOnlyTopLevel && (
 						<ToggleControl
 							label={ __( 'Show hierarchy' ) }

packages/block-library/src/categories/index.php

@@ -22,6 +22,7 @@ function render_block_core_categories( $attributes ) {
 		'orderby'      => 'name',
 		'show_count'   => ! empty( $attributes['showPostCounts'] ),
 		'title_li'     => '',
+		'hide_empty'   => empty( $attributes['showEmpty'] ),
 	);
 	if ( ! empty( $attributes['showOnlyTopLevel'] ) && $attributes['showOnlyTopLevel'] ) {
 		$args['parent'] = 0;

test/integration/fixtures/blocks/core__categories.json

@@ -6,7 +6,8 @@
 			"displayAsDropdown": false,
 			"showHierarchy": false,
 			"showPostCounts": false,
-			"showOnlyTopLevel": false
+			"showOnlyTopLevel": false,
+			"showEmpty": false
 		},
 		"innerBlocks": []
 	}