add: active filters block

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/block.json

@@ -14,7 +14,8 @@
 		"reusable": false
 	},
 	"usesContext": [
-		"query"
+		"query",
+		"queryId"
 	],
 	"providesContext": {
 		"collectionData": "collectionData"

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/edit.tsx

@@ -9,6 +9,7 @@ import type { AttributeSetting } from '@woocommerce/types';
 const ATTRIBUTES = getSetting< AttributeSetting[] >( 'attributes', [] );
 
 const template = [
+	[ 'woocommerce/collection-active-filters', {} ],
 	[
 		'core/heading',
 		{

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/block.json

@@ -0,0 +1,28 @@
+{
+	"$schema": "https://schemas.wp.org/trunk/block.json",
+	"name": "woocommerce/collection-active-filters",
+	"version": "1.0.0",
+	"title": "Collection Active Filters",
+	"description": "Display the currently active filters.",
+	"category": "woocommerce",
+	"keywords": [
+		"WooCommerce"
+	],
+	"textdomain": "woo-gutenberg-products-block",
+	"apiVersion": 2,
+	"ancestor": [
+		"woocommerce/collection-filters"
+	],
+	"supports": {
+		"interactivity": true
+	},
+	"usesContext": [
+		"queryId"
+	],
+	"attributes": {
+		"displayStyle": {
+			"type": "string",
+			"default": "list"
+		}
+	}
+}

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/components/inspector.tsx

@@ -0,0 +1,55 @@
+/**
+ * External dependencies
+ */
+import { InspectorControls } from '@wordpress/block-editor';
+import { __ } from '@wordpress/i18n';
+import {
+	PanelBody,
+	// eslint-disable-next-line @wordpress/no-unsafe-wp-apis
+	__experimentalToggleGroupControl as ToggleGroupControl,
+	// eslint-disable-next-line @wordpress/no-unsafe-wp-apis
+	__experimentalToggleGroupControlOption as ToggleGroupControlOption,
+} from '@wordpress/components';
+
+/**
+ * Internal dependencies
+ */
+import type { EditProps, BlockAttributes } from '../types';
+
+export const Inspector = ( { attributes, setAttributes }: EditProps ) => {
+	const { displayStyle } = attributes;
+
+	return (
+		<InspectorControls>
+			<PanelBody
+				title={ __(
+					'Display Settings',
+					'woo-gutenberg-products-block'
+				) }
+			>
+				<ToggleGroupControl
+					label={ __(
+						'Display Style',
+						'woo-gutenberg-products-block'
+					) }
+					value={ displayStyle }
+					onChange={ ( value: BlockAttributes[ 'displayStyle' ] ) =>
+						setAttributes( {
+							displayStyle: value,
+						} )
+					}
+					className="wc-block-active-filter__style-toggle"
+				>
+					<ToggleGroupControlOption
+						value="list"
+						label={ __( 'List', 'woo-gutenberg-products-block' ) }
+					/>
+					<ToggleGroupControlOption
+						value="chips"
+						label={ __( 'Chips', 'woo-gutenberg-products-block' ) }
+					/>
+				</ToggleGroupControl>
+			</PanelBody>
+		</InspectorControls>
+	);
+};

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/components/removable-list-item.tsx

@@ -0,0 +1,77 @@
+/**
+ * External dependencies
+ */
+import { __, sprintf } from '@wordpress/i18n';
+import { Label, RemovableChip } from '@woocommerce/blocks-components';
+import { Icon, closeSmall } from '@wordpress/icons';
+
+interface RemovableListItemProps {
+	type: string;
+	name: string;
+	prefix?: string | JSX.Element;
+	showLabel?: boolean;
+	isLoading?: boolean;
+	displayStyle: string;
+	removeCallback?: () => void;
+}
+
+export const RemovableListItem = ( {
+	type,
+	name,
+	prefix = '',
+	removeCallback = () => null,
+	showLabel = true,
+	displayStyle,
+}: RemovableListItemProps ) => {
+	const prefixedName = prefix ? (
+		<>
+			{ prefix }
+			&nbsp;
+			{ name }
+		</>
+	) : (
+		name
+	);
+	const removeText = sprintf(
+		/* translators: %s attribute value used in the filter. For example: yellow, green, small, large. */
+		__( 'Remove %s filter', 'woo-gutenberg-products-block' ),
+		name
+	);
+
+	return (
+		<li
+			className="wc-block-active-filters__list-item"
+			key={ type + ':' + name }
+		>
+			{ showLabel && (
+				<span className="wc-block-active-filters__list-item-type">
+					{ type + ': ' }
+				</span>
+			) }
+			{ displayStyle === 'chips' ? (
+				<RemovableChip
+					element="span"
+					text={ prefixedName }
+					onRemove={ removeCallback }
+					radius="large"
+					ariaLabel={ removeText }
+				/>
+			) : (
+				<span className="wc-block-active-filters__list-item-name">
+					<button
+						className="wc-block-active-filters__list-item-remove"
+						onClick={ removeCallback }
+					>
+						<Icon
+							className="wc-block-components-chip__remove-icon"
+							icon={ closeSmall }
+							size={ 16 }
+						/>
+						<Label screenReaderLabel={ removeText } />
+					</button>
+					{ prefixedName }
+				</span>
+			) }
+		</li>
+	);
+};

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/edit.tsx

@@ -0,0 +1,49 @@
+/**
+ * External dependencies
+ */
+import { useBlockProps } from '@wordpress/block-editor';
+import { __ } from '@wordpress/i18n';
+import classNames from 'classnames';
+import { Disabled } from '@wordpress/components';
+
+/**
+ * Internal dependencies
+ */
+import { EditProps } from './types';
+import { Inspector } from './components/inspector';
+import { RemovableListItem } from './components/removable-list-item';
+
+const Edit = ( props: EditProps ) => {
+	const { displayStyle } = props.attributes;
+
+	const blockProps = useBlockProps( {
+		className: 'wc-block-active-filters',
+	} );
+
+	return (
+		<div { ...blockProps }>
+			<Inspector { ...props } />
+			<Disabled>
+				<ul
+					className={ classNames( 'wc-block-active-filters__list', {
+						'wc-block-active-filters__list--chips':
+							displayStyle === 'chips',
+					} ) }
+				>
+					<RemovableListItem
+						type={ __( 'Size', 'woo-gutenberg-products-block' ) }
+						name={ __( 'Small', 'woo-gutenberg-products-block' ) }
+						displayStyle={ displayStyle }
+					/>
+					<RemovableListItem
+						type={ __( 'Color', 'woo-gutenberg-products-block' ) }
+						name={ __( 'Blue', 'woo-gutenberg-products-block' ) }
+						displayStyle={ displayStyle }
+					/>
+				</ul>
+			</Disabled>
+		</div>
+	);
+};
+
+export default Edit;

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/frontend.ts

@@ -0,0 +1,22 @@
+/**
+ * External dependencies
+ */
+import { store, navigate, getContext } from '@woocommerce/interactivity';
+
+type ActiveFiltersContext = {
+	queryId: number;
+	params: string[];
+};
+
+store( 'woocommerce/collection-active-filters', {
+	actions: {
+		clearAll: () => {
+			const { params } = getContext< ActiveFiltersContext >();
+			const url = new URL( window.location.href );
+			const { searchParams } = url;
+
+			params.forEach( ( param ) => searchParams.delete( param ) );
+			navigate( url.href );
+		},
+	},
+} );

plugins/woocommerce-blocks/assets/js/blocks/collection-filters/inner-blocks/active-filters/index.tsx

@@ -0,0 +1,25 @@
+/**
+ * External dependencies
+ */
+import { registerBlockType } from '@wordpress/blocks';
+import { Icon } from '@wordpress/icons';
+import { toggle } from '@woocommerce/icons';
+
+/**
+ * Internal dependencies
+ */
+import metadata from './block.json';
+import Edit from './edit';
+import './style.scss';
+
+registerBlockType( metadata, {
+	icon: {
+		src: (
+			<Icon
+				icon={ toggle }
+				className="wc-block-editor-components-block-icon"
+			/>
+		),
+	},
+	edit: Edit,
+} );