4
0
forked from crowetic/commerce
commerce/framework/shopify/cart/use-add-item.tsx
2021-02-04 13:23:44 +02:00

71 lines
1.7 KiB
TypeScript

import { useCallback } from 'react'
import { CommerceError } from '@commerce/utils/errors'
import useCart from './use-cart'
import useCartAddItem, {
AddItemInput as UseAddItemInput,
} from '@commerce/cart/use-add-item'
import type { HookFetcher } from '@commerce/utils/types'
import type { Cart } from '@commerce/types'
import checkoutLineItemAddMutation from '../utils/mutations/checkout-line-item-add'
import getCheckoutId from '@framework/utils/get-checkout-id'
import { checkoutToCart } from './utils'
const defaultOpts = {
query: checkoutLineItemAddMutation,
}
export type AddItemInput = UseAddItemInput<any>
export const fetcher: HookFetcher<Cart, any> = async (
options,
{ checkoutId, item },
fetch
) => {
if (
item.quantity &&
(!Number.isInteger(item.quantity) || item.quantity! < 1)
) {
throw new CommerceError({
message: 'The item quantity has to be a valid integer greater than 0',
})
}
const data = await fetch<any, any>({
...options,
variables: {
checkoutId,
lineItems: [item],
},
})
return checkoutToCart(data?.checkoutLineItemsAdd)
}
export function extendHook(customFetcher: typeof fetcher) {
const useAddItem = () => {
const { mutate, data: cart } = useCart()
const fn = useCartAddItem(defaultOpts, customFetcher)
return useCallback(
async function addItem(input: AddItemInput) {
const data = await fn({
item: {
variantId: input.variantId,
quantity: input.quantity ?? 1,
},
checkoutId: getCheckoutId(cart?.id),
})
await mutate(data, false)
return data
},
[fn, mutate]
)
}
useAddItem.extend = extendHook
return useAddItem
}
export default extendHook(fetcher)