fix(utils,product): mikro orm connection loader (#4825)

Fix shared connection property check

.changeset/tiny-tomatoes-cheer.md

@@ -0,0 +1,6 @@
+---
+"@medusajs/utils": minor
+"@medusajs/product": minor
+---
+
+Fix mikro-orm connection loader

integration-tests/plugins/__tests__/modules/load-standalone.ts

@@ -0,0 +1,29 @@
+import dbFactory from "./../../../environment-helpers/use-template-db"
+
+jest.setTimeout(30000)
+
+describe("Standalone Modules", () => {
+  beforeAll(async () => {
+    const DB_HOST = process.env.DB_HOST
+    const DB_USERNAME = process.env.DB_USERNAME
+    const DB_PASSWORD = process.env.DB_PASSWORD
+    const DB_NAME = process.env.DB_TEMP_NAME
+
+    process.env.POSTGRES_URL = `postgres://${DB_USERNAME}:${DB_PASSWORD}@${DB_HOST}/${DB_NAME}`
+    await dbFactory.createFromTemplate(DB_NAME)
+  })
+
+  afterAll(async () => {
+    process.env.POSTGRES_URL = undefined
+  })
+
+  it("Should migrate database and initialize Product module using connection string from environment variable ", async function () {
+    const { initialize, runMigrations } = require("@medusajs/product")
+    await runMigrations()
+
+    const product = await initialize()
+    const productList = await product.list()
+
+    expect(productList).toEqual(expect.arrayContaining([]))
+  })
+})

packages/utils/src/modules-sdk/loaders/mikro-orm-connection-loader.ts

@@ -5,11 +5,11 @@ import {
   MODULE_SCOPE,
   ModulesSdkTypes,
 } from "@medusajs/types"
-import { asValue } from "awilix"
 import { PostgreSqlDriver, SqlEntityManager } from "@mikro-orm/postgresql"
+import { asValue } from "awilix"
 import { ContainerRegistrationKeys, MedusaError } from "../../common"
-import { loadDatabaseConfig } from "../load-module-database-config"
 import { mikroOrmCreateConnection } from "../../dal"
+import { loadDatabaseConfig } from "../load-module-database-config"
 
 export async function mikroOrmConnectionLoader({
   container,
@@ -50,7 +50,8 @@ export async function mikroOrmConnectionLoader({
   let dbConfig
   const shouldSwallowError = !!(
     options as ModulesSdkTypes.ModuleServiceInitializeOptions
-  )?.database.connection
+  )?.database?.connection
+
   dbConfig = {
     ...loadDatabaseConfig(
       "product",
@@ -58,7 +59,7 @@ export async function mikroOrmConnectionLoader({
       shouldSwallowError
     ),
     connection: (options as ModulesSdkTypes.ModuleServiceInitializeOptions)
-      ?.database.connection,
+      ?.database?.connection,
   }
 
   manager ??= await loadDefault({