72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
/**
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* External dependencies
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*/
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import { useSelect, useDispatch } from '@wordpress/data';
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import { useReducer, useEffect } from '@wordpress/element';
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import isShallowEqual from '@wordpress/is-shallow-equal';
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import { useDebounce } from 'use-debounce';
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import { CART_STORE_KEY as storeKey } from '@woocommerce/block-data';
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/**
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* Internal dependencies
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*/
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import { useStoreCart } from '../cart/use-store-cart';
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import { pluckAddress } from '../../utils';
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/**
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* This is a custom hook that is wired up to the `wc/store/cart/shipping-rates` route.
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* Given a a set of default fields keys, this will handle shipping form state and load
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* new rates when certain fields change.
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*
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* @param {Array} addressFieldsKeys an array containing default fields keys.
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*
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* @return {Object} This hook will return an object with three properties:
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* - {Boolean} shippingRatesLoading A boolean indicating whether the shipping
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* rates are still loading or not.
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* - {Function} setShippingAddress An function that optimistically
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* update shipping address and dispatches async rate fetching.
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* - {Object} shippingAddress An object containing shipping address.
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* - {Object} shippingAddress True when address data exists.
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*/
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export const useShippingRates = ( addressFieldsKeys ) => {
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const { cartErrors, shippingRates } = useStoreCart();
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const initialAddress = shippingRates[ 0 ]?.destination || {};
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addressFieldsKeys.forEach( ( key ) => {
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initialAddress[ key ] = initialAddress[ key ] || '';
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} );
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const shippingAddressReducer = ( state, address ) => ( {
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...state,
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...address,
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} );
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const [ shippingAddress, setShippingAddress ] = useReducer(
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shippingAddressReducer,
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initialAddress
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);
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const [ debouncedShippingAddress ] = useDebounce( shippingAddress, 400 );
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const shippingRatesLoading = useSelect(
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( select ) => select( storeKey ).areShippingRatesLoading(),
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[]
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);
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const { updateShippingAddress } = useDispatch( storeKey );
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useEffect( () => {
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if (
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! isShallowEqual(
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pluckAddress( debouncedShippingAddress ),
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pluckAddress( initialAddress )
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) &&
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debouncedShippingAddress.country
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) {
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updateShippingAddress( debouncedShippingAddress );
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}
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}, [ debouncedShippingAddress ] );
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return {
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shippingRates,
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shippingAddress,
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setShippingAddress,
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shippingRatesLoading,
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shippingRatesErrors: cartErrors,
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hasShippingAddress: !! shippingAddress.country,
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};
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};
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