4
0
forked from crowetic/commerce
2021-03-02 21:05:13 -06:00

73 lines
2.0 KiB
TypeScript

import { useCallback } from 'react'
import type {
MutationHookContext,
HookFetcherContext,
} from '@commerce/utils/types'
import { ValidationError } from '@commerce/utils/errors'
import useRemoveItem, {
RemoveItemInput as RemoveItemInputBase,
UseRemoveItem,
} from '@commerce/cart/use-remove-item'
import useCart from './use-cart'
import { checkoutLineItemRemoveMutation, getCheckoutId } from '../utils'
import { checkoutToCart } from './utils'
import { Cart, LineItem } from '../types'
import { Mutation, MutationCheckoutLineItemsRemoveArgs } from '../schema'
import { RemoveCartItemBody } from '@commerce/types'
export type RemoveItemFn<T = any> = T extends LineItem
? (input?: RemoveItemInput<T>) => Promise<Cart | null>
: (input: RemoveItemInput<T>) => Promise<Cart | null>
export type RemoveItemInput<T = any> = T extends LineItem
? Partial<RemoveItemInputBase>
: RemoveItemInputBase
export default useRemoveItem as UseRemoveItem<typeof handler>
export const handler = {
fetchOptions: {
query: checkoutLineItemRemoveMutation,
},
async fetcher({
input: { itemId },
options,
fetch,
}: HookFetcherContext<RemoveCartItemBody>) {
const data = await fetch<Mutation, MutationCheckoutLineItemsRemoveArgs>({
...options,
variables: { checkoutId: getCheckoutId(), lineItemIds: [itemId] },
})
return checkoutToCart(data.checkoutLineItemsRemove)
},
useHook: ({
fetch,
}: MutationHookContext<Cart | null, RemoveCartItemBody>) => <
T extends LineItem | undefined = undefined
>(
ctx: { item?: T } = {}
) => {
const { item } = ctx
const { mutate } = useCart()
const removeItem: RemoveItemFn<LineItem> = async (input) => {
const itemId = input?.id ?? item?.id
if (!itemId) {
throw new ValidationError({
message: 'Invalid input used for this operation',
})
}
const data = await fetch({ input: { itemId } })
await mutate(data, false)
return data
}
return useCallback(removeItem as RemoveItemFn<T>, [fetch, mutate])
},
}