forked from crowetic/commerce
96 lines
2.6 KiB
TypeScript
96 lines
2.6 KiB
TypeScript
import { useCallback } from 'react'
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import debounce from 'lodash.debounce'
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import type {
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HookFetcherContext,
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MutationHookContext,
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} from '@commerce/utils/types'
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import { ValidationError } from '@commerce/utils/errors'
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import useUpdateItem, {
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UpdateItemInput as UpdateItemInputBase,
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UseUpdateItem,
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} from '@commerce/cart/use-update-item'
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import useCart from './use-cart'
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import { handler as removeItemHandler } from './use-remove-item'
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import type { Cart, LineItem, UpdateCartItemBody } from '../types'
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import { checkoutToCart } from './utils'
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export type UpdateItemInput<T = any> = T extends LineItem
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? Partial<UpdateItemInputBase<LineItem>>
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: UpdateItemInputBase<LineItem>
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export default useUpdateItem as UseUpdateItem<typeof handler>
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export const handler = {
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fetchOptions: {
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query: 'cart',
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method: 'updateItem',
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},
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async fetcher({
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input: { itemId, item },
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options,
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fetch,
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}: HookFetcherContext<UpdateCartItemBody>) {
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if (Number.isInteger(item.quantity)) {
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// Also allow the update hook to remove an item if the quantity is lower than 1
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if (item.quantity! < 1) {
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return removeItemHandler.fetcher({
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options: removeItemHandler.fetchOptions,
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input: { itemId },
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fetch,
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})
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}
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} else if (item.quantity) {
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throw new ValidationError({
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message: 'The item quantity has to be a valid integer',
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})
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}
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const response = await fetch({
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...options,
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variables: [itemId, { quantity: item.quantity }],
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})
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return checkoutToCart(response)
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},
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useHook: ({
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fetch,
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}: MutationHookContext<Cart | null, UpdateCartItemBody>) => <
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T extends LineItem | undefined = undefined
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>(
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ctx: {
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item?: T
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wait?: number
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} = {}
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) => {
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const { item } = ctx
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const { mutate, data: cartData } = useCart() as any
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return useCallback(
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debounce(async (input: UpdateItemInput<T>) => {
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const itemId = cartData.lineItems[0].id
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const productId = cartData.lineItems[0].productId
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const variantId = cartData.lineItems[0].variant.id
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if (!itemId || !productId) {
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throw new ValidationError({
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message: 'Invalid input used for this operation',
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})
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}
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const data = await fetch({
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input: {
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item: {
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productId,
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variantId,
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quantity: input.quantity,
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},
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itemId,
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},
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})
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await mutate(data, false)
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return data
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}, ctx.wait ?? 500),
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[fetch, mutate]
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)
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},
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}
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