feat: Improve startup time by parallelizing module and link loading (#12731)

packages/core/core-flows/src/order/workflows/transfer/decline-order-transfer.ts

@@ -116,7 +116,7 @@ export const declineOrderTransferRequestWorkflow = createWorkflow(
   ): WorkflowData<void> {
     const orderQuery = useQueryGraphStep({
       entity: "order",
-      fields: ["id", "version", "declineed_at"],
+      fields: ["id", "version", "declined_at"],
       filters: { id: input.order_id },
       options: { throwIfKeyNotFound: true },
     }).config({ name: "order-query" })

packages/core/modules-sdk/src/medusa-module.ts

@@ -395,7 +395,8 @@ class MedusaModule {
 
     const services: { [Key: string]: any }[] = []
 
-    for (const moduleOptions of modulesOptions) {
+    await promiseAll(
+      modulesOptions.map(async (moduleOptions) => {
         const {
           moduleKey,
           defaultPath,
@@ -420,12 +421,12 @@ class MedusaModule {
 
         if (!loaderOnly && MedusaModule.instances_.has(hashKey)) {
           services.push(MedusaModule.instances_.get(hashKey)!)
-        continue
+          return
         }
 
         if (!loaderOnly && MedusaModule.loading_.has(hashKey)) {
           services.push(await MedusaModule.loading_.get(hashKey))
-        continue
+          return
         }
 
         if (!loaderOnly) {
@@ -455,7 +456,10 @@ class MedusaModule {
           for (const service in injectedDependencies) {
             container.register(service, asValue(injectedDependencies[service]))
             if (!container.hasRegistration(service)) {
-            container.register(service, asValue(injectedDependencies[service]))
+              container.register(
+                service,
+                asValue(injectedDependencies[service])
+              )
             }
           }
         }
@@ -492,7 +496,8 @@ class MedusaModule {
           container,
           finishLoading,
         })
-    }
+      })
+    )
 
     if (loaderOnly) {
       loadedModules.forEach(({ finishLoading }) => finishLoading({}))

packages/modules/link-modules/src/initialize/index.ts

@@ -15,6 +15,7 @@ import {
   composeTableName,
   ContainerRegistrationKeys,
   Modules,
+  promiseAll,
   simpleHash,
   toPascalCase,
 } from "@medusajs/framework/utils"
@@ -42,14 +43,18 @@ export const initialize = async (
     pluginLinksDefinitions ?? []
   )
 
-  for (const linkDefinition of allLinksToLoad) {
+  await promiseAll(
+    allLinksToLoad.map(async (linkDefinition) => {
       const definition: ModuleJoinerConfig = JSON.parse(
         JSON.stringify(linkDefinition)
       )
 
       const [primary, foreign] = definition.relationships ?? []
 
-    if (definition.relationships?.length !== 2 && !definition.isReadOnlyLink) {
+      if (
+        definition.relationships?.length !== 2 &&
+        !definition.isReadOnlyLink
+      ) {
         throw new Error(
           `Link module ${definition.serviceName} can only link 2 modules.`
         )
@@ -89,7 +94,7 @@ export const initialize = async (
         : simpleHash(JSON.stringify(definition.extends))
 
       if (modulesLoadedKeys.includes(serviceKey)) {
-      continue
+        return
       } else if (serviceKey in allLinks) {
         throw new Error(`Link module ${serviceKey} already defined.`)
       }
@@ -107,13 +112,13 @@ export const initialize = async (
 
         definition.extends = extended
         if (extended.length === 0) {
-        continue
+          return
         }
       } else if (
         !modulesLoadedKeys.includes(primary.serviceName) ||
         !modulesLoadedKeys.includes(foreign.serviceName)
       ) {
-      continue
+        return
       }
 
       const logger =
@@ -165,7 +170,8 @@ export const initialize = async (
       })
 
       allLinks[serviceKey as string] = Object.values(loaded)[0]
-  }
+    })
+  )
 
   return allLinks
 }