forked from crowetic/commerce
108 lines
2.9 KiB
TypeScript
108 lines
2.9 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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import { getCheckoutId, checkoutLineItemUpdateMutation } from '../utils'
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import { Mutation, MutationCheckoutLineItemsUpdateArgs } from '../schema'
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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: checkoutLineItemUpdateMutation,
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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 { checkoutLineItemsUpdate } = await fetch<
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Mutation,
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MutationCheckoutLineItemsUpdateArgs
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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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id: itemId,
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quantity: item.quantity,
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},
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],
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},
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})
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return checkoutToCart(checkoutLineItemsUpdate)
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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 } = useCart() as any
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return useCallback(
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debounce(async (input: UpdateItemInput<T>) => {
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const itemId = input.id ?? item?.id
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const productId = input.productId ?? item?.productId
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const variantId = input.productId ?? item?.variantId
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if (!itemId || !productId || !variantId) {
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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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