woocommerce/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/mini-cart/block.tsx

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/**
* External dependencies
*/
import classNames from 'classnames';
import { __, _n, sprintf } from '@wordpress/i18n';
import { useState, useEffect, useRef } from '@wordpress/element';
import { dispatch } from '@wordpress/data';
import { translateJQueryEventToNative } from '@woocommerce/base-utils';
import { useStoreCart } from '@woocommerce/base-context/hooks';
import Drawer from '@woocommerce/base-components/drawer';
import { CART_STORE_KEY as storeKey } from '@woocommerce/block-data';
import {
formatPrice,
getCurrencyFromPriceResponse,
} from '@woocommerce/price-format';
import { getSetting } from '@woocommerce/settings';
/**
* Internal dependencies
*/
import CartLineItemsTable from '../cart/cart-line-items-table';
import './style.scss';
interface MiniCartBlockProps {
isPlaceholderOpen?: boolean;
}
const MiniCartBlock = ( {
isPlaceholderOpen = false,
}: MiniCartBlockProps ): JSX.Element => {
const {
cartItems,
cartItemsCount,
cartIsLoading,
cartTotals,
} = useStoreCart();
const [ isOpen, setIsOpen ] = useState< boolean >( isPlaceholderOpen );
const emptyCartRef = useRef< HTMLDivElement | null >( null );
// We already rendered the HTML drawer placeholder, so we want to skip the
// slide in animation.
const [ skipSlideIn, setSkipSlideIn ] = useState< boolean >(
isPlaceholderOpen
);
useEffect( () => {
const openMiniCartAndRefreshData = ( e ) => {
const eventDetail = e.detail;
if ( ! eventDetail || ! eventDetail.preserveCartData ) {
dispatch( storeKey ).invalidateResolutionForStore();
}
setSkipSlideIn( false );
setIsOpen( true );
};
// Make it so we can read jQuery events triggered by WC Core elements.
const removeJQueryAddedToCartEvent = translateJQueryEventToNative(
'added_to_cart',
'wc-blocks_added_to_cart'
);
document.body.addEventListener(
'wc-blocks_added_to_cart',
openMiniCartAndRefreshData
);
return () => {
removeJQueryAddedToCartEvent();
document.body.removeEventListener(
'wc-blocks_added_to_cart',
openMiniCartAndRefreshData
);
};
}, [] );
useEffect( () => {
// If the cart has been completely emptied, move focus to empty cart
// element.
if ( isOpen && ! cartIsLoading && cartItems.length === 0 ) {
if ( emptyCartRef.current instanceof HTMLElement ) {
emptyCartRef.current.focus();
}
}
}, [ isOpen, cartIsLoading, cartItems.length, emptyCartRef ] );
const subTotal = getSetting( 'displayCartPricesIncludingTax', false )
? parseInt( cartTotals.total_items, 10 ) +
parseInt( cartTotals.total_items_tax, 10 )
: cartTotals.total_items;
const ariaLabel = sprintf(
/* translators: %1$d is the number of products in the cart. %2$s is the cart total */
_n(
'%1$d item in cart, total price of %2$s',
'%1$d items in cart, total price of %2$s',
cartItemsCount,
'woo-gutenberg-products-block'
),
cartItemsCount,
formatPrice( subTotal, getCurrencyFromPriceResponse( cartTotals ) )
);
const contents =
! cartIsLoading && cartItems.length === 0 ? (
<div
className="wc-block-mini-cart__empty-cart"
tabIndex={ -1 }
ref={ emptyCartRef }
>
{ __( 'Cart is empty', 'woo-gutenberg-products-block' ) }
</div>
) : (
<CartLineItemsTable
lineItems={ cartItems }
isLoading={ cartIsLoading }
/>
);
return (
<>
<button
className="wc-block-mini-cart__button"
onClick={ () => {
if ( ! isOpen ) {
setIsOpen( true );
setSkipSlideIn( false );
}
} }
aria-label={ ariaLabel }
>
{ sprintf(
/* translators: %d is the count of items in the cart. */
_n(
'%d item',
'%d items',
cartItemsCount,
'woo-gutenberg-products-block'
),
cartItemsCount
) }
</button>
<Drawer
className={ classNames(
'wc-block-mini-cart__drawer',
'is-mobile',
{
'is-loading': cartIsLoading,
}
) }
title={
cartIsLoading
? __( 'Your cart', 'woo-gutenberg-products-block' )
: sprintf(
/* translators: %d is the count of items in the cart. */
_n(
'Your cart (%d item)',
'Your cart (%d items)',
cartItemsCount,
'woo-gutenberg-products-block'
),
cartItemsCount
)
}
isOpen={ isOpen }
onClose={ () => {
setIsOpen( false );
} }
slideIn={ ! skipSlideIn }
>
{ contents }
</Drawer>
</>
);
};
export default MiniCartBlock;