fix(medusa): migrate cart service to typescript (#884)

* fix: migrate cart service to typescript

* fix: jsdoc inventory service

* fix: revert route unit test change

* fix: typo

* fix: revert integration test packages

* fix: cleanup

* fix: tests

* fix: integration tests

* fix: create props type guards

* fix: move total field to common types

packages/medusa/src/api/routes/admin/draft-orders/index.ts

@@ -1,5 +1,5 @@
 import { Router } from "express"
-import { DraftOrder, Order } from "../../../.."
+import { DraftOrder, Order, Cart } from "../../../.."
 import middlewares from "../../../middlewares"
 import { DeleteResponse, PaginatedResponse } from "../../../../types/common"
 
@@ -62,7 +62,7 @@ export const defaultAdminDraftOrdersCartRelations = [
   "discounts.rule",
 ]
 
-export const defaultAdminDraftOrdersCartFields = [
+export const defaultAdminDraftOrdersCartFields: (keyof Cart)[] = [
   "subtotal",
   "tax_total",
   "shipping_total",

packages/medusa/src/api/routes/admin/draft-orders/update-line-item.ts

@@ -7,6 +7,7 @@ import {
   defaultAdminDraftOrdersFields,
 } from "."
 import { DraftOrder } from "../../../.."
+import { LineItemUpdate } from "../../../../types/cart"
 import { CartService, DraftOrderService } from "../../../../services"
 import { validator } from "../../../../utils/validator"
 /**
@@ -112,15 +113,6 @@ export default async (req, res) => {
   })
 }
 
-class LineItemUpdate {
-  title?: string
-  unit_price?: number
-  quantity?: number
-  metadata?: object = {}
-  region_id?: string
-  variant_id?: string
-}
-
 export class AdminPostDraftOrdersDraftOrderLineItemsItemReq {
   @IsString()
   @IsOptional()