feat(modules-sdk): Module provider plugin loader (#6286)

packages/payment/src/loaders/index.ts

@@ -1,2 +1,4 @@
 export * from "./connection"
 export * from "./container"
+export * from "./providers"
+

packages/payment/src/loaders/providers.ts

@@ -0,0 +1,41 @@
+import { moduleProviderLoader } from "@medusajs/modules-sdk"
+
+import { LoaderOptions, ModuleProvider, ModulesSdkTypes } from "@medusajs/types"
+import { Lifetime, asFunction } from "awilix"
+
+const registrationFn = async (klass, container, pluginOptions) => {
+  container.register({
+    [`payment_provider_${klass.prototype}`]: asFunction(
+      (cradle) => new klass(cradle, pluginOptions),
+      {
+        lifetime: klass.LIFE_TIME || Lifetime.SINGLETON,
+      }
+    ),
+  })
+
+  container.registerAdd(
+    "payment_providers",
+    asFunction((cradle) => new klass(cradle, pluginOptions), {
+      lifetime: klass.LIFE_TIME || Lifetime.SINGLETON,
+    })
+  )
+}
+
+export default async ({
+  container,
+  options,
+}: LoaderOptions<
+  (
+    | ModulesSdkTypes.ModuleServiceInitializeOptions
+    | ModulesSdkTypes.ModuleServiceInitializeCustomDataLayerOptions
+  ) & { providers: ModuleProvider[] }
+>): Promise<void> => {
+  const pluginProviders =
+    options?.providers?.filter((provider) => provider.resolve) || []
+
+  await moduleProviderLoader({
+    container,
+    providers: pluginProviders,
+    registerServiceFn: registrationFn,
+  })
+}