Create combobox-control (#49691)

* Create combobox-control

* Exporting the combobox control

* Integrate the combobox control into the custom field names component

* Remove some non needed styles

* Add changelog file

* Fix comment text typo

Co-authored-by: louwie17 <lourensschep@gmail.com>

* Fix linter errors

---------

Co-authored-by: louwie17 <lourensschep@gmail.com>

packages/js/product-editor/changelog/add-core-combobox

@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Add a ComboboxControl component

packages/js/product-editor/src/components/combobox-control/combobox-control.tsx

@@ -0,0 +1,127 @@
+/**
+ * External dependencies
+ */
+import type { ForwardedRef } from 'react';
+import { ComboboxControl as Combobox } from '@wordpress/components';
+import { useInstanceId } from '@wordpress/compose';
+import {
+	createElement,
+	forwardRef,
+	useEffect,
+	useLayoutEffect,
+	useRef,
+} from '@wordpress/element';
+import classNames from 'classnames';
+
+/**
+ * Internal dependencies
+ */
+import type { ComboboxControlProps } from './types';
+
+/**
+ * This is a wrapper + a work around the Combobox to
+ * expose important properties and events from the
+ * internal input element that are required when
+ * validating the field in the context of a form
+ */
+export const ComboboxControl = forwardRef( function ForwardedComboboxControl(
+	{
+		id,
+		name,
+		allowReset,
+		className,
+		help,
+		hideLabelFromVision,
+		label,
+		messages,
+		value,
+		options,
+		onFilterValueChange,
+		onChange,
+		onBlur,
+	}: ComboboxControlProps,
+	ref: ForwardedRef< HTMLInputElement >
+) {
+	const inputElementRef = useRef< HTMLInputElement >();
+	const generatedId = useInstanceId(
+		ComboboxControl,
+		'woocommerce-combobox-control'
+	) as string;
+	const currentId = id ?? generatedId;
+
+	useLayoutEffect(
+		/**
+		 * The Combobox component does not expose the ref to the
+		 * internal native input element removing the ability to
+		 * focus the element when validating it in the context
+		 * of a form
+		 */
+		function initializeRefs() {
+			inputElementRef.current = document.querySelector(
+				`.${ currentId } [role="combobox"]`
+			) as HTMLInputElement;
+
+			if ( name ) {
+				inputElementRef.current?.setAttribute( 'name', name );
+			}
+
+			if ( ref ) {
+				if ( typeof ref === 'function' ) {
+					ref( inputElementRef.current );
+				} else {
+					ref.current = inputElementRef.current;
+				}
+			}
+		},
+		[ currentId, name, ref ]
+	);
+
+	useEffect(
+		function overrideBlur() {
+			/**
+			 * The Combobox component clear the value of its internal
+			 * input control when losing the focus, even when the
+			 * selected value is set, affecting the validation behavior
+			 * on bluring
+			 */
+			function handleBlur( event: FocusEvent ) {
+				onBlur?.( {
+					...event,
+					target: {
+						...event.target,
+						value,
+					},
+				} as never );
+			}
+
+			inputElementRef.current?.addEventListener( 'blur', handleBlur );
+
+			return () => {
+				inputElementRef.current?.removeEventListener(
+					'blur',
+					handleBlur
+				);
+			};
+		},
+		[ value, onBlur ]
+	);
+
+	return (
+		<Combobox
+			allowReset={ allowReset }
+			help={ help }
+			hideLabelFromVision={ hideLabelFromVision }
+			label={ label }
+			messages={ messages }
+			value={ value }
+			options={ options }
+			onChange={ onChange }
+			onFilterValueChange={ onFilterValueChange }
+			className={ classNames(
+				'woocommerce-combobox-control',
+				currentId,
+				className
+			) }
+		/>
+	);
+} );

packages/js/product-editor/src/components/combobox-control/index.ts

@@ -0,0 +1,2 @@
+export * from './combobox-control';
+export * from './types';

packages/js/product-editor/src/components/combobox-control/style.scss

@@ -1,4 +1,4 @@
-.woocommerce-custom-field-name-control {
+.woocommerce-combobox-control {
 	background-color: #fff;
 
 	&.has-error {

packages/js/product-editor/src/components/combobox-control/types.ts

@@ -0,0 +1,13 @@
+/**
+ * External dependencies
+ */
+import { ComboboxControl as Combobox } from '@wordpress/components';
+
+export type ComboboxControlProps = Combobox.Props &
+	Pick<
+		React.DetailedHTMLProps<
+			React.InputHTMLAttributes< HTMLInputElement >,
+			HTMLInputElement
+		>,
+		'id' | 'name' | 'onBlur'
+	>;

packages/js/product-editor/src/components/custom-fields/custom-field-name-control/custom-field-name-control.tsx

@@ -3,24 +3,20 @@
  */
 import type { ForwardedRef } from 'react';
 import apiFetch from '@wordpress/api-fetch';
-import { ComboboxControl } from '@wordpress/components';
-import { useDebounce, useInstanceId } from '@wordpress/compose';
+import { useDebounce } from '@wordpress/compose';
 import {
 	createElement,
 	forwardRef,
 	useCallback,
-	useEffect,
-	useLayoutEffect,
 	useMemo,
-	useRef,
 	useState,
 } from '@wordpress/element';
 import { addQueryArgs } from '@wordpress/url';
-import classNames from 'classnames';
 
 /**
  * Internal dependencies
  */
+import { ComboboxControl, ComboboxControlProps } from '../../combobox-control';
 import type { ComboboxControlOption } from '../../attribute-combobox-field/types';
 import type { CustomFieldNameControlProps } from './types';
 
@@ -56,35 +52,13 @@ async function searchCustomFieldNames( search?: string ) {
 	} );
 }
 
-/**
- * This is a wrapper + a work around the Combobox to
- * expose important properties and events from the
- * internal input element that are required when
- * validating the field in the context of a form
- */
 export const CustomFieldNameControl = forwardRef(
 	function ForwardedCustomFieldNameControl(
-		{
-			allowReset,
-			className,
-			help,
-			hideLabelFromVision,
-			label,
-			messages,
-			value,
-			onChange,
-			onBlur,
-		}: CustomFieldNameControlProps,
+		{ value, onBlur, ...props }: CustomFieldNameControlProps,
 		ref: ForwardedRef< HTMLInputElement >
 	) {
-		const inputElementRef = useRef< HTMLInputElement >();
-		const id = useInstanceId(
-			CustomFieldNameControl,
-			'woocommerce-custom-field-name'
-		);
-
 		const [ customFieldNames, setCustomFieldNames ] = useState<
-			ComboboxControl.Props[ 'options' ]
+			ComboboxControlProps[ 'options' ]
 		>( [] );
 
 		const options = useMemo(
@@ -109,29 +83,6 @@ export const CustomFieldNameControl = forwardRef(
 			[ customFieldNames, value ]
 		);
 
-		useLayoutEffect(
-			/**
-			 * The Combobox component does not expose the ref to the
-			 * internal native input element removing the ability to
-			 * focus the element when validating it in the context
-			 * of a form
-			 */
-			function initializeRefs() {
-				inputElementRef.current = document.querySelector(
-					`.${ id } [role="combobox"]`
-				) as HTMLInputElement;
-
-				if ( ref ) {
-					if ( typeof ref === 'function' ) {
-						ref( inputElementRef.current );
-					} else {
-						ref.current = inputElementRef.current;
-					}
-				}
-			},
-			[ id, ref ]
-		);
-
 		const handleFilterValueChange = useDebounce(
 			useCallback(
 				function onFilterValueChange( search: string ) {
@@ -144,50 +95,19 @@ export const CustomFieldNameControl = forwardRef(
 			250
 		);
 
-		useEffect(
-			function overrideBlur() {
-				/**
-				 * The Combobox component clear the value of its internal
-				 * input control when losing the focus, even when the
-				 * selected value is set, afecting the validation behavior
-				 * on bluring
-				 */
-				function handleBlur( event: FocusEvent ) {
+		function handleBlur( event: React.FocusEvent< HTMLInputElement > ) {
 			setCustomFieldNames( [] );
-					if ( inputElementRef.current ) {
-						inputElementRef.current.value = value;
+			onBlur?.( event );
 		}
-					onBlur?.( event as never );
-				}
-
-				inputElementRef.current?.addEventListener( 'blur', handleBlur );
-
-				return () => {
-					inputElementRef.current?.removeEventListener(
-						'blur',
-						handleBlur
-					);
-				};
-			},
-			[ value, onBlur ]
-		);
 
 		return (
 			<ComboboxControl
-				allowReset={ allowReset }
-				help={ help }
-				hideLabelFromVision={ hideLabelFromVision }
-				label={ label }
-				messages={ messages }
+				{ ...props }
+				ref={ ref }
 				value={ value }
 				options={ options }
-				onChange={ onChange }
 				onFilterValueChange={ handleFilterValueChange }
-				className={ classNames(
-					id,
-					'woocommerce-custom-field-name-control',
-					className
-				) }
+				onBlur={ handleBlur }
 			/>
 		);
 	}

packages/js/product-editor/src/components/custom-fields/style.scss

@@ -1,6 +1,5 @@
 @import "./create-modal/style.scss";
 @import "./edit-modal/style.scss";
-@import "./custom-field-name-control/style.scss";
 
 .woocommerce-product-custom-fields {
 	&__table {

packages/js/product-editor/src/components/index.ts

@@ -104,3 +104,8 @@ export {
 
 export { PluginSidebar as __experimentalModalBlockEditorPluginSidebar } from './iframe-editor';
 export { PluginMoreMenuItem as __experimentalModalBlockEditorPluginMoreMenuItem } from './iframe-editor';
+
+export {
+	ComboboxControl as __experimentalComboboxControl,
+	type ComboboxControlProps,
+} from './combobox-control';

packages/js/product-editor/src/style.scss

@@ -52,6 +52,7 @@
 @import "components/attribute-combobox-field/styles.scss";
 @import "components/number-control/style.scss";
 @import "components/empty-state/style.scss";
+@import "components/combobox-control/style.scss";
 
 /* Field Blocks */