rebase from live enviornment

wp/plugins/woocommerce/packages/woocommerce-blocks/assets/js/utils/attributes-query.ts

@@ -0,0 +1,95 @@
+/**
+ * External dependencies
+ */
+import {
+	AttributeObject,
+	AttributeQuery,
+	AttributeTerm,
+} from '@woocommerce/types';
+import { sort } from 'fast-sort';
+
+/**
+ * Given a query object, removes an attribute filter by a single slug.
+ *
+ * @param {Array}    query     Current query object.
+ * @param {Function} setQuery  Callback to update the current query object.
+ * @param {Object}   attribute An attribute object.
+ * @param {string}   slug      Term slug to remove.
+ */
+export const removeAttributeFilterBySlug = (
+	query: AttributeQuery[] = [],
+	setQuery: ( query: AttributeQuery[] ) => void,
+	attribute: AttributeObject,
+	slug = ''
+) => {
+	// Get current filter for provided attribute.
+	const foundQuery = query.filter(
+		( item ) => item.attribute === attribute.taxonomy
+	);
+
+	const currentQuery = foundQuery.length ? foundQuery[ 0 ] : null;
+
+	if (
+		! currentQuery ||
+		! currentQuery.slug ||
+		! Array.isArray( currentQuery.slug ) ||
+		! currentQuery.slug.includes( slug )
+	) {
+		return;
+	}
+
+	const newSlugs = currentQuery.slug.filter( ( item ) => item !== slug );
+
+	// Remove current attribute filter from query.
+	const returnQuery = query.filter(
+		( item ) => item.attribute !== attribute.taxonomy
+	);
+
+	// Add a new query for selected terms, if provided.
+	if ( newSlugs.length > 0 ) {
+		currentQuery.slug = newSlugs.sort();
+		returnQuery.push( currentQuery );
+	}
+
+	setQuery( sort( returnQuery ).asc( 'attribute' ) );
+};
+
+/**
+ * Given a query object, sets the query up to filter by a given attribute and attribute terms.
+ *
+ * @param {Array}    query          Current query object.
+ * @param {Function} setQuery       Callback to update the current query object.
+ * @param {Object}   attribute      An attribute object.
+ * @param {Array}    attributeTerms Array of term objects.
+ * @param {string}   operator       Operator for the filter. Valid values: in, and.
+ *
+ * @return {Object} An attribute object.
+ */
+export const updateAttributeFilter = (
+	query: AttributeQuery[] = [],
+	setQuery: ( query: AttributeQuery[] ) => void,
+	attribute?: AttributeObject,
+	attributeTerms: AttributeTerm[] = [],
+	operator: 'in' | 'and' = 'in'
+) => {
+	if ( ! attribute || ! attribute.taxonomy ) {
+		return [];
+	}
+
+	const returnQuery = query.filter(
+		( item ) => item.attribute !== attribute.taxonomy
+	);
+
+	if ( attributeTerms.length === 0 ) {
+		setQuery( returnQuery );
+	} else {
+		returnQuery.push( {
+			attribute: attribute.taxonomy,
+			operator,
+			slug: attributeTerms.map( ( { slug } ) => slug ).sort(),
+		} );
+		setQuery( sort( returnQuery ).asc( 'attribute' ) );
+	}
+
+	return returnQuery;
+};