Cart Action Promises with success/reject handling

assets/js/base/components/cart-checkout/totals/coupon/index.tsx

@@ -2,7 +2,7 @@
  * External dependencies
  */
 import { __ } from '@wordpress/i18n';
-import { useState, useEffect, useRef } from '@wordpress/element';
+import { useState } from '@wordpress/element';
 import Button from '@woocommerce/base-components/button';
 import LoadingMask from '@woocommerce/base-components/loading-mask';
 import { withInstanceId } from '@wordpress/compose';
@@ -35,35 +35,29 @@ export interface TotalsCouponProps {
 	/**
 	 * Submit handler
 	 */
-	onSubmit?: ( couponValue: string ) => void;
+	onSubmit?: ( couponValue: string ) => Promise< boolean > | undefined;
 }
 
 export const TotalsCoupon = ( {
 	instanceId,
 	isLoading = false,
+	onSubmit,
 	displayCouponForm = false,
-	onSubmit = () => void 0,
 }: TotalsCouponProps ): JSX.Element => {
 	const [ couponValue, setCouponValue ] = useState( '' );
 	const [ isCouponFormHidden, setIsCouponFormHidden ] = useState(
 		! displayCouponForm
 	);
-	const currentIsLoading = useRef( false );
-
-	const validationErrorKey = 'coupon';
 	const textInputId = `wc-block-components-totals-coupon__input-${ instanceId }`;
-
 	const formWrapperClass = classnames(
 		'wc-block-components-totals-coupon__content',
 		{
 			'screen-reader-text': isCouponFormHidden,
 		}
 	);
-
-	const { validationError, validationErrorId } = useSelect( ( select ) => {
+	const { validationErrorId } = useSelect( ( select ) => {
 		const store = select( VALIDATION_STORE_KEY );
 		return {
-			validationError: store.getValidationError( validationErrorKey ),
 			validationErrorId: store.getValidationErrorId( textInputId ),
 		};
 	} );
@@ -77,18 +71,18 @@ export const TotalsCoupon = ( {
 		e: React.MouseEvent< HTMLButtonElement, MouseEvent >
 	) => {
 		e.preventDefault();
-		onSubmit( couponValue );
-	};
-
-	useEffect( () => {
-		if ( currentIsLoading.current !== isLoading ) {
-			if ( ! isLoading && couponValue && ! validationError ) {
-				setCouponValue( '' );
-				setIsCouponFormHidden( true );
-			}
-			currentIsLoading.current = isLoading;
+		if ( onSubmit !== undefined ) {
+			onSubmit( couponValue ).then( ( result ) => {
+				if ( result ) {
+					setCouponValue( '' );
+					setIsCouponFormHidden( true );
+				}
+			} );
+		} else {
+			setCouponValue( '' );
+			setIsCouponFormHidden( true );
 		}
-	}, [ isLoading, couponValue, validationError ] );
+	};
 
 	return (
 		<div className="wc-block-components-totals-coupon">

assets/js/base/components/cart-checkout/totals/coupon/stories/index.tsx

@@ -31,11 +31,12 @@ const Template: Story< TotalsCouponProps > = ( args ) => {
 	const onSubmit = ( code: string ) => {
 		args.onSubmit?.( code );
 		setArgs( { isLoading: true } );
-
-		setTimeout(
-			() => setArgs( { isLoading: false } ),
-			INTERACTION_TIMEOUT
-		);
+		return new Promise( ( resolve ) => {
+			setTimeout( () => {
+				setArgs( { isLoading: false } );
+				resolve( true );
+			}, INTERACTION_TIMEOUT );
+		} );
 	};
 
 	return <TotalsCoupon { ...args } onSubmit={ onSubmit } />;

assets/js/base/context/hooks/cart/test/use-store-cart.js

@@ -26,6 +26,7 @@ describe( 'useStoreCart', () => {
 	let registry, renderer;
 
 	const receiveCartMock = () => {};
+	const receiveCartContentsMock = () => {};
 
 	const previewCartData = {
 		cartCoupons: previewCart.coupons,
@@ -102,8 +103,9 @@ describe( 'useStoreCart', () => {
 		hasCalculatedShipping: true,
 		extensions: {},
 		errors: [],
-		receiveCart: undefined,
 		paymentRequirements: [],
+		receiveCart: undefined,
+		receiveCartContents: undefined,
 	};
 	const mockCartTotals = {
 		currency_code: 'USD',
@@ -129,8 +131,9 @@ describe( 'useStoreCart', () => {
 		extensions: {},
 		isLoadingRates: false,
 		cartHasCalculatedShipping: true,
-		receiveCart: undefined,
 		paymentRequirements: [],
+		receiveCart: undefined,
+		receiveCartContents: undefined,
 	};
 
 	const getWrappedComponents = ( Component ) => (
@@ -140,8 +143,15 @@ describe( 'useStoreCart', () => {
 	);
 
 	const getTestComponent = ( options ) => () => {
-		const { receiveCart, ...results } = useStoreCart( options );
-		return <div results={ results } receiveCart={ receiveCart } />;
+		const { receiveCart, receiveCartContents, ...results } =
+			useStoreCart( options );
+		return (
+			<div
+				results={ results }
+				receiveCart={ receiveCart }
+				receiveCartContents={ receiveCartContents }
+			/>
+		);
 	};
 
 	const setUpMocks = () => {
@@ -190,12 +200,16 @@ describe( 'useStoreCart', () => {
 				);
 			} );
 
-			const { results, receiveCart } =
+			const { results, receiveCart, receiveCartContents } =
 				renderer.root.findByType( 'div' ).props; //eslint-disable-line testing-library/await-async-query
-			const { receiveCart: defaultReceiveCart, ...remaining } =
-				defaultCartData;
+			const {
+				receiveCart: defaultReceiveCart,
+				receiveCartContents: defaultReceiveCartContents,
+				...remaining
+			} = defaultCartData;
 			expect( results ).toEqual( remaining );
 			expect( receiveCart ).toEqual( defaultReceiveCart );
+			expect( receiveCartContents ).toEqual( defaultReceiveCartContents );
 		} );
 
 		it( 'return store data when shouldSelect is true', () => {
@@ -209,11 +223,12 @@ describe( 'useStoreCart', () => {
 				);
 			} );
 
-			const { results, receiveCart } =
+			const { results, receiveCart, receiveCartContents } =
 				renderer.root.findByType( 'div' ).props; //eslint-disable-line testing-library/await-async-query
 
 			expect( results ).toEqual( mockStoreCartData );
 			expect( receiveCart ).toBeUndefined();
+			expect( receiveCartContents ).toBeUndefined();
 		} );
 	} );
 
@@ -225,6 +240,7 @@ describe( 'useStoreCart', () => {
 					previewCart: {
 						...previewCart,
 						receiveCart: receiveCartMock,
+						receiveCartContents: receiveCartContentsMock,
 					},
 				},
 			} );
@@ -239,11 +255,12 @@ describe( 'useStoreCart', () => {
 				);
 			} );
 
-			const { results, receiveCart } =
+			const { results, receiveCart, receiveCartContents } =
 				renderer.root.findByType( 'div' ).props; //eslint-disable-line testing-library/await-async-query
 
 			expect( results ).toEqual( previewCartData );
 			expect( receiveCart ).toEqual( receiveCartMock );
+			expect( receiveCartContents ).toEqual( receiveCartContentsMock );
 		} );
 	} );
 } );

assets/js/base/context/hooks/cart/use-store-cart-coupons.ts

@@ -40,14 +40,12 @@ export const useStoreCartCoupons = ( context = '' ): StoreCartCoupon => {
 			[ createErrorNotice, createNotice ]
 		);
 
-	const { applyCoupon, removeCoupon, receiveApplyingCoupon } =
-		useDispatch( CART_STORE_KEY );
+	const { applyCoupon, removeCoupon } = useDispatch( CART_STORE_KEY );
 
 	const applyCouponWithNotices = ( couponCode: string ) => {
-		applyCoupon( couponCode )
-			.then( ( result ) => {
+		return applyCoupon( couponCode )
+			.then( () => {
 				if (
-					result === true &&
 					__experimentalApplyCheckoutFilter( {
 						filterName: 'showApplyCouponNotice',
 						defaultValue: true,
@@ -71,6 +69,7 @@ export const useStoreCartCoupons = ( context = '' ): StoreCartCoupon => {
 						}
 					);
 				}
+				return Promise.resolve( true );
 			} )
 			.catch( ( error ) => {
 				setValidationErrors( {
@@ -79,16 +78,14 @@ export const useStoreCartCoupons = ( context = '' ): StoreCartCoupon => {
 						hidden: false,
 					},
 				} );
-				// Finished handling the coupon.
-				receiveApplyingCoupon( '' );
+				return Promise.resolve( false );
 			} );
 	};
 
 	const removeCouponWithNotices = ( couponCode: string ) => {
-		removeCoupon( couponCode )
-			.then( ( result ) => {
+		return removeCoupon( couponCode )
+			.then( () => {
 				if (
-					result === true &&
 					__experimentalApplyCheckoutFilter( {
 						filterName: 'showRemoveCouponNotice',
 						defaultValue: true,
@@ -112,14 +109,14 @@ export const useStoreCartCoupons = ( context = '' ): StoreCartCoupon => {
 						}
 					);
 				}
+				return Promise.resolve( true );
 			} )
 			.catch( ( error ) => {
 				createErrorNotice( error.message, {
 					id: 'coupon-form',
 					context,
 				} );
-				// Finished handling the coupon.
-				receiveApplyingCoupon( '' );
+				return Promise.resolve( false );
 			} );
 	};
 

assets/js/base/context/hooks/cart/use-store-cart-item-quantity.ts

@@ -3,7 +3,11 @@
  */
 import { useSelect, useDispatch } from '@wordpress/data';
 import { useCallback, useState, useEffect } from '@wordpress/element';
-import { CART_STORE_KEY, CHECKOUT_STORE_KEY } from '@woocommerce/block-data';
+import {
+	CART_STORE_KEY,
+	CHECKOUT_STORE_KEY,
+	processErrorResponse,
+} from '@woocommerce/block-data';
 import { useDebounce } from 'use-debounce';
 import { usePrevious } from '@woocommerce/base-hooks';
 import {
@@ -84,9 +88,12 @@ export const useStoreCartItemQuantity = (
 	);
 
 	const removeItem = useCallback( () => {
-		return cartItemKey
-			? removeItemFromCart( cartItemKey )
-			: Promise.resolve( false );
+		if ( cartItemKey ) {
+			return removeItemFromCart( cartItemKey ).catch( ( error ) => {
+				processErrorResponse( error );
+			} );
+		}
+		return Promise.resolve( false );
 	}, [ cartItemKey, removeItemFromCart ] );
 
 	// Observe debounced quantity value, fire action to update server on change.
@@ -97,7 +104,11 @@ export const useStoreCartItemQuantity = (
 			Number.isFinite( previousDebouncedQuantity ) &&
 			previousDebouncedQuantity !== debouncedQuantity
 		) {
-			changeCartItemQuantity( cartItemKey, debouncedQuantity );
+			changeCartItemQuantity( cartItemKey, debouncedQuantity ).catch(
+				( error ) => {
+					processErrorResponse( error );
+				}
+			);
 		}
 	}, [
 		cartItemKey,

assets/js/base/context/hooks/cart/use-store-cart.ts

@@ -114,6 +114,7 @@ export const defaultCartData: StoreCart = {
 	cartHasCalculatedShipping: false,
 	paymentRequirements: EMPTY_PAYMENT_REQUIREMENTS,
 	receiveCart: () => undefined,
+	receiveCartContents: () => undefined,
 	extensions: EMPTY_EXTENSIONS,
 };
 
@@ -174,6 +175,10 @@ export const useStoreCart = (
 						typeof previewCart?.receiveCart === 'function'
 							? previewCart.receiveCart
 							: () => undefined,
+					receiveCartContents:
+						typeof previewCart?.receiveCartContents === 'function'
+							? previewCart.receiveCartContents
+							: () => undefined,
 				};
 			}
 
@@ -185,7 +190,7 @@ export const useStoreCart = (
 				! store.hasFinishedResolution( 'getCartData' );
 
 			const isLoadingRates = store.isCustomerDataUpdating();
-			const { receiveCart } = dispatch( storeKey );
+			const { receiveCart, receiveCartContents } = dispatch( storeKey );
 			const billingAddress = decodeValues( cartData.billingAddress );
 			const shippingAddress = cartData.needsShipping
 				? decodeValues( cartData.shippingAddress )
@@ -232,6 +237,7 @@ export const useStoreCart = (
 				cartHasCalculatedShipping: cartData.hasCalculatedShipping,
 				paymentRequirements: cartData.paymentRequirements,
 				receiveCart,
+				receiveCartContents,
 			};
 		},
 		[ shouldSelect ]

assets/js/base/context/hooks/shipping/use-shipping-data.ts

@@ -1,14 +1,16 @@
 /**
  * External dependencies
  */
-import { CART_STORE_KEY as storeKey } from '@woocommerce/block-data';
+import {
+	CART_STORE_KEY as storeKey,
+	processErrorResponse,
+} from '@woocommerce/block-data';
 import { useSelect, useDispatch } from '@wordpress/data';
 import { isObject } from '@woocommerce/types';
 import { useEffect, useRef, useCallback } from '@wordpress/element';
 import { deriveSelectedShippingRates } from '@woocommerce/base-utils';
 import isShallowEqual from '@wordpress/is-shallow-equal';
 import { previewCart } from '@woocommerce/resource-previews';
-import { useThrowError } from '@woocommerce/base-hooks';
 
 /**
  * Internal dependencies
@@ -72,12 +74,11 @@ export const useShippingData = (): ShippingData => {
 	} as {
 		selectShippingRate: (
 			newShippingRateId: string,
-			packageId?: string | number
+			packageId?: string | number | undefined
 		) => Promise< unknown >;
 	};
 
 	// Selects a shipping rate, fires an event, and catch any errors.
-	const throwError = useThrowError();
 	const { dispatchCheckoutEvent } = useStoreEvents();
 	const selectShippingRate = useCallback(
 		(
@@ -113,16 +114,10 @@ export const useShippingData = (): ShippingData => {
 					} );
 				} )
 				.catch( ( error ) => {
-					// Throw an error because an error when selecting a rate is problematic.
-					throwError( error );
+					processErrorResponse( error );
 				} );
 		},
-		[
-			dispatchSelectShippingRate,
-			dispatchCheckoutEvent,
-			throwError,
-			selectedRates,
-		]
+		[ dispatchSelectShippingRate, dispatchCheckoutEvent, selectedRates ]
 	);
 
 	return {