feat: Add list cart option typings, make region optional on update cart (#7455)

packages/core/core-flows/src/definition/cart/steps/find-one-or-any-region.ts

@@ -16,9 +16,12 @@ export const findOneOrAnyRegionStep = createStep(
     )
 
     if (data.regionId) {
-      const region = await service.retrieve(data.regionId)
-
-      return new StepResponse(region)
+      try {
+        const region = await service.retrieve(data.regionId)
+        return new StepResponse(region)
+      } catch (error) {
+        return new StepResponse(null)
+      }
     }
 
     const [store] = await storeModule.list()
@@ -32,7 +35,7 @@ export const findOneOrAnyRegionStep = createStep(
     })
 
     if (!region) {
-      throw new MedusaError(MedusaError.Types.INVALID_DATA, "No regions found")
+      return new StepResponse(null)
     }
 
     return new StepResponse(region)

packages/core/core-flows/src/definition/cart/workflows/create-carts.ts

@@ -20,6 +20,7 @@ import { productVariantsFields } from "../utils/fields"
 import { prepareLineItemData } from "../utils/prepare-line-item-data"
 import { confirmVariantInventoryWorkflow } from "./confirm-variant-inventory"
 import { refreshPaymentCollectionForCartStep } from "./refresh-payment-collection"
+import { MedusaError } from "@medusajs/utils"
 
 // TODO: The createCartWorkflow are missing the following steps:
 // - Refresh/delete shipping methods (fulfillment module)
@@ -49,6 +50,10 @@ export const createCartWorkflow = createWorkflow(
     const pricingContext = transform(
       { input, region, customerData },
       (data) => {
+        if (!data.region) {
+          throw new MedusaError(MedusaError.Types.NOT_FOUND, "No regions found")
+        }
+
         return {
           currency_code: data.input.currency_code ?? data.region.currency_code,
           region_id: data.region.id,
@@ -87,6 +92,10 @@ export const createCartWorkflow = createWorkflow(
     const cartInput = transform(
       { input, region, customerData, salesChannel },
       (data) => {
+        if (!data.region) {
+          throw new MedusaError(MedusaError.Types.NOT_FOUND, "No regions found")
+        }
+
         const data_ = {
           ...data.input,
           currency_code: data.input.currency_code ?? data.region.currency_code,

packages/core/core-flows/src/definition/cart/workflows/update-cart.ts

@@ -1,5 +1,5 @@
 import { UpdateCartWorkflowInputDTO } from "@medusajs/types"
-import { PromotionActions, isPresent } from "@medusajs/utils"
+import { MedusaError, PromotionActions, isPresent } from "@medusajs/utils"
 import {
   WorkflowData,
   createWorkflow,
@@ -43,6 +43,13 @@ export const updateCartWorkflow = createWorkflow(
         const data_ = { ...updateCartData }
 
         if (isPresent(updateCartData.region_id)) {
+          if (!data.region) {
+            throw new MedusaError(
+              MedusaError.Types.NOT_FOUND,
+              "Region not found"
+            )
+          }
+
           data_.currency_code = data.region.currency_code
           data_.region_id = data.region.id
         }

packages/core/core-flows/src/order/workflows/create-orders.ts

@@ -1,5 +1,5 @@
 import { CreateOrderDTO, OrderDTO } from "@medusajs/types"
-import { MathBN } from "@medusajs/utils"
+import { MathBN, MedusaError } from "@medusajs/utils"
 import {
   WorkflowData,
   createWorkflow,
@@ -95,6 +95,10 @@ export const createOrdersWorkflow = createWorkflow(
     const pricingContext = transform(
       { input, region, customerData },
       (data) => {
+        if (!data.region) {
+          throw new MedusaError(MedusaError.Types.NOT_FOUND, "Region not found")
+        }
+
         return {
           currency_code: data.input.currency_code ?? data.region.currency_code,
           region_id: data.region.id,