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Fix typing

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This commit is contained in:
Lee Robinson 2024-07-25 13:54:32 -05:00
parent 4086fe403a
commit 921b87d639
1 changed files with 6 additions and 2 deletions
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8
components/cart/modal.tsx
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@ -26,7 +26,11 @@ type NewState = {
newQuantity: number; newQuantity: number;
}; };
function reducer(state: Cart, newState: NewState) { function reducer(state: Cart | undefined, newState: NewState) {
if (!state) {
return state;
}
const updatedLines = state.lines.map((item: CartItem) => { const updatedLines = state.lines.map((item: CartItem) => {
if (item.id === newState.itemId) { if (item.id === newState.itemId) {
const singleItemAmount = Number(item.cost.totalAmount.amount) / item.quantity; const singleItemAmount = Number(item.cost.totalAmount.amount) / item.quantity;
@ -66,7 +70,7 @@ function reducer(state: Cart, newState: NewState) {
}; };
} }
export default function CartModal({ cart: initialCart }: { cart: Cart }) { export default function CartModal({ cart: initialCart }: { cart: Cart | undefined }) {
const [isOpen, setIsOpen] = useState(false); const [isOpen, setIsOpen] = useState(false);
const [cart, updateCartItem] = useOptimistic(initialCart, reducer); const [cart, updateCartItem] = useOptimistic(initialCart, reducer);
const quantityRef = useRef(cart?.totalQuantity); const quantityRef = useRef(cart?.totalQuantity);