forked from crowetic/commerce
51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
import type { MutationHandler } from '@commerce/utils/types'
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import { CommerceError } from '@commerce/utils/errors'
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import useAddItem, { UseAddItem } from '@commerce/cart/use-add-item'
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import useCart from './use-cart'
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import { ShopifyProvider } from '..'
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import { Cart, AddCartItemBody, CartItemBody } from '../types'
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import { checkoutLineItemAddMutation, getCheckoutId } from '../utils'
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import { checkoutToCart } from './utils'
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import { Mutation } from '../schema'
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export default useAddItem as UseAddItem<ShopifyProvider, CartItemBody>
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export const handler: MutationHandler<Cart, {}, AddCartItemBody> = {
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fetchOptions: {
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query: checkoutLineItemAddMutation,
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},
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async fetcher({ input: { item }, options, fetch }) {
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if (
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item.quantity &&
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(!Number.isInteger(item.quantity) || item.quantity! < 1)
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) {
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throw new CommerceError({
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message: 'The item quantity has to be a valid integer greater than 0',
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})
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}
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const { checkoutLineItemsAdd }: Mutation = await fetch<any, any>({
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...options,
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variables: {
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lineItems: [
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{
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variantId: item.variantId,
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quantity: item.quantity ?? 1,
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},
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],
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checkoutId: getCheckoutId(),
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},
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})
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return checkoutToCart(checkoutLineItemsAdd)
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},
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useHook() {
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const { mutate } = useCart()
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return async function addItem({ input, fetch }) {
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const data = await fetch({ input })
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await mutate(data, false)
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return data
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}
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},
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}
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