feat: Add shipping method to cart (#6661)

packages/fulfillment/src/loaders/providers.ts

@@ -1,13 +1,13 @@
 import { moduleProviderLoader } from "@medusajs/modules-sdk"
 import { LoaderOptions, ModuleProvider, ModulesSdkTypes } from "@medusajs/types"
-import { asFunction, asValue, Lifetime } from "awilix"
-import { FulfillmentIdentifiersRegistrationName } from "@types"
 import {
   ContainerRegistrationKeys,
   lowerCaseFirst,
   promiseAll,
 } from "@medusajs/utils"
 import { FulfillmentProviderService } from "@services"
+import { FulfillmentIdentifiersRegistrationName } from "@types"
+import { Lifetime, asFunction, asValue } from "awilix"
 
 const registrationFn = async (klass, container, pluginOptions) => {
   Object.entries(pluginOptions.config || []).map(([name, config]) => {

packages/fulfillment/src/services/fulfillment-module-service.ts

@@ -25,7 +25,6 @@ import {
   promiseAll,
 } from "@medusajs/utils"
 
-import { entityNameToLinkableKeysMap, joinerConfig } from "../joiner-config"
 import {
   Fulfillment,
   FulfillmentSet,
@@ -37,6 +36,7 @@ import {
   ShippingProfile,
 } from "@models"
 import { isContextValid, validateRules } from "@utils"
+import { entityNameToLinkableKeysMap, joinerConfig } from "../joiner-config"
 import FulfillmentProviderService from "./fulfillment-provider"
 
 const generateMethodForModels = [
@@ -435,7 +435,7 @@ export default class FulfillmentModuleService<
       return []
     }
 
-    const rules = data_.flatMap((d) => d.rules)
+    const rules = data_.flatMap((d) => d.rules).filter(Boolean)
     if (rules.length) {
       validateRules(rules as Record<string, unknown>[])
     }