forked from crowetic/commerce
59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
import type { MutationHook } 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 { Cart, 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, MutationCheckoutLineItemsAddArgs } from '../schema'
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import { useCallback } from 'react'
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export default useAddItem as UseAddItem<typeof handler>
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export const handler: MutationHook<Cart, {}, CartItemBody> = {
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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 } = await fetch<
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Mutation,
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MutationCheckoutLineItemsAddArgs
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>({
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...options,
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variables: {
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checkoutId: getCheckoutId(),
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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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},
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})
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// TODO: Fix this Cart type here
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return checkoutToCart(checkoutLineItemsAdd) as any
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},
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useHook: ({ fetch }) => () => {
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const { mutate } = useCart()
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return useCallback(
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async function addItem(input) {
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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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[fetch, mutate]
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)
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},
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}
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