103 lines
2.6 KiB
JavaScript
103 lines
2.6 KiB
JavaScript
/**
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* External dependencies
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*/
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import { useRef } from '@wordpress/element';
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import { getSetting } from '@woocommerce/settings';
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import { CART_STORE_KEY } from '@woocommerce/block-data';
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import { useSelect, useDispatch } from '@wordpress/data';
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/**
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* Internal dependencies
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*/
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import { LAST_CART_UPDATE_TIMESTAMP_KEY } from '../data/cart/constants';
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/**
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* Hydrate Cart API data.
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*
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* Makes cart data available without an API request to wc/store/cart/.
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*/
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const useStoreCartApiHydration = () => {
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const preloadedApiRequests = useRef(
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getSetting( 'preloadedApiRequests', {} )
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);
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const { setIsCartDataStale } = useDispatch( CART_STORE_KEY );
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useSelect( ( select, registry ) => {
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const cartData = preloadedApiRequests.current[ '/wc/store/cart' ]?.body;
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if ( ! cartData ) {
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return;
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}
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const { isResolving, hasFinishedResolution, isCartDataStale } = select(
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CART_STORE_KEY
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);
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/**
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* This should only execute once. When the code further down the file executes
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* then the condition directly below this comment should never evaluate to true
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* on subsequent executions. Because of this localStorage.getItem won't be
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* called multiple times.
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*/
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if (
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! isCartDataStale() &&
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! isResolving( 'getCartData' ) &&
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! hasFinishedResolution( 'getCartData', [] )
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) {
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const lastCartUpdateRaw = window.localStorage.getItem(
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LAST_CART_UPDATE_TIMESTAMP_KEY
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);
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if ( lastCartUpdateRaw ) {
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const lastCartUpdate = parseFloat( lastCartUpdateRaw );
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const cartGeneratedTimestamp = parseFloat(
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cartData.generated_timestamp
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);
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const needsUpdateFromAPI =
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! isNaN( cartGeneratedTimestamp ) &&
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! isNaN( lastCartUpdate ) &&
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lastCartUpdate > cartGeneratedTimestamp;
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if ( needsUpdateFromAPI ) {
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setIsCartDataStale();
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}
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}
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}
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const {
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receiveCart,
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receiveError,
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startResolution,
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finishResolution,
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} = registry.dispatch( CART_STORE_KEY );
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if (
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! isCartDataStale() &&
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! isResolving( 'getCartData', [] ) &&
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! hasFinishedResolution( 'getCartData', [] )
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) {
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startResolution( 'getCartData', [] );
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if ( cartData?.code?.includes( 'error' ) ) {
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receiveError( cartData );
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} else {
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receiveCart( cartData );
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}
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finishResolution( 'getCartData', [] );
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}
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}, [] );
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};
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/**
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* HOC that calls the useStoreCartApiHydration hook.
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*
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* @param {Function} OriginalComponent Component being wrapped.
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*/
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const withStoreCartApiHydration = ( OriginalComponent ) => {
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return ( props ) => {
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useStoreCartApiHydration();
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return <OriginalComponent { ...props } />;
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};
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};
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export default withStoreCartApiHydration;
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