4
0
forked from crowetic/commerce
2020-10-22 16:37:06 -05:00

71 lines
1.9 KiB
TypeScript

import { useCallback } from 'react'
import debounce from 'lodash.debounce'
import type { HookFetcher } from '@lib/commerce/utils/types'
import { CommerceError } from '@lib/commerce/utils/errors'
import useCartUpdateItem from '@lib/commerce/cart/use-update-item'
import type { ItemBody, UpdateItemBody } from '../api/cart'
import { fetcher as removeFetcher } from './use-remove-item'
import useCart, { Cart } from './use-cart'
const defaultOpts = {
url: '/api/bigcommerce/cart',
method: 'PUT',
}
export type UpdateItemInput = Partial<{ id: string } & ItemBody>
export const fetcher: HookFetcher<Cart | null, UpdateItemBody> = (
options,
{ itemId, item },
fetch
) => {
if (Number.isInteger(item.quantity)) {
// Also allow the update hook to remove an item if the quantity is lower than 1
if (item.quantity! < 1) {
return removeFetcher(null, { itemId }, fetch)
}
} else if (item.quantity) {
throw new CommerceError({
message: 'The item quantity has to be a valid integer',
})
}
return fetch({
...defaultOpts,
...options,
body: { itemId, item },
})
}
function extendHook(customFetcher: typeof fetcher, cfg?: { wait?: number }) {
const useUpdateItem = (item?: any) => {
const { mutate } = useCart()
const fn = useCartUpdateItem<Cart | null, UpdateItemBody>(
defaultOpts,
customFetcher
)
return useCallback(
debounce(async (input: UpdateItemInput) => {
const data = await fn({
itemId: input.id ?? item?.id,
item: {
productId: input.productId ?? item?.product_id,
variantId: input.productId ?? item?.variant_id,
quantity: input.quantity,
},
})
await mutate(data, false)
return data
}, cfg?.wait ?? 500),
[fn, mutate]
)
}
useUpdateItem.extend = extendHook
return useUpdateItem
}
export default extendHook(fetcher)