chore(framework): Move feature flags related resources and cleanup (#8297)

**What**
cleanup and move the feature flag related resources to manage them.

It also include some refactoring around loading and registering the flag as well as not relying on the `glob` package anymore plus some reorganization of the code itself

FIXES FRMW-2625

packages/core/medusa-test-utils/src/medusa-test-runner-utils/config.ts

@@ -4,7 +4,7 @@ export async function configLoaderOverride(
   entryDirectory: string,
   override: { clientUrl: string; debug?: boolean }
 ) {
-  const { configManager } = await import("@medusajs/framework/config")
+  const { configManager } = await import("@medusajs/framework")
   const { configModule, error } = getConfigFile<
     ReturnType<typeof configManager.loadConfig>
   >(entryDirectory, "medusa-config.js")

packages/core/medusa-test-utils/src/medusa-test-runner-utils/use-db.ts

@@ -6,21 +6,21 @@ export async function initDb({ env = {} }: { env?: Record<any, any> }) {
     Object.entries(env).forEach(([k, v]) => (process.env[k] = v))
   }
 
-  const { configManager, pgConnectionLoader, container } = await import(
-    "@medusajs/framework"
-  )
+  const {
+    configManager,
+    pgConnectionLoader,
+    logger,
+    container,
+    featureFlagsLoader,
+  } = await import("@medusajs/framework")
+
   const configModule = configManager.config
 
   const pgConnection = pgConnectionLoader()
-
-  const featureFlagRouter =
-    require("@medusajs/medusa/dist/loaders/feature-flags").default(configModule)
+  await featureFlagsLoader()
 
   container.register({
-    [ContainerRegistrationKeys.CONFIG_MODULE]: asValue(configModule),
-    [ContainerRegistrationKeys.LOGGER]: asValue(console),
-    [ContainerRegistrationKeys.PG_CONNECTION]: asValue(pgConnection),
-    [ContainerRegistrationKeys.FEATURE_FLAG_ROUTER]: asValue(featureFlagRouter),
+    [ContainerRegistrationKeys.LOGGER]: asValue(logger),
   })
 
   try {

packages/core/types/src/common/config-module.ts

@@ -379,13 +379,13 @@ export type ProjectConfigOptions = {
 
   /**
    * Configure the application's worker mode.
-   * 
+   *
    * Workers are processes running separately from the main application. They're useful for executing long-running or resource-heavy tasks in the background, such as importing products.
-   * 
+   *
    * With a worker, these tasks are offloaded to a separate process. So, they won't affect the performance of the main application.
-   * 
+   *
    * ![Diagram showcasing how the server and worker work together](https://res.cloudinary.com/dza7lstvk/image/upload/fl_lossy/f_auto/r_16/ar_16:9,c_pad/v1/Medusa%20Book/medusa-worker_klkbch.jpg?_a=BATFJtAA0)
-   * 
+   *
    * Medusa has three runtime modes:
    *
    * - Use `shared` to run the application in a single process.
@@ -393,7 +393,7 @@ export type ProjectConfigOptions = {
    * - Use `server` to run the application server only.
    *
    * In production, it's recommended to deploy two instances:
-   * 
+   *
    * 1. One having the `workerMode` configuration set to `server`.
    * 2. Another having the `workerMode` configuration set to `worker`.
    *
@@ -874,7 +874,7 @@ export type ConfigModule = {
    *
    * :::
    */
-  featureFlags: Record<string, boolean | string>
+  featureFlags: Record<string, boolean | string | Record<string, boolean>>
 }
 
 export type PluginDetails = {

packages/core/utils/src/common/index.ts

@@ -25,6 +25,7 @@ export * from "./get-set-difference"
 export * from "./graceful-shutdown-server"
 export * from "./group-by"
 export * from "./handle-postgres-database-error"
+export * from "./is-truthy"
 export * from "./is-big-number"
 export * from "./is-boolean"
 export * from "./is-date"

packages/core/utils/src/common/is-truthy.ts

@@ -0,0 +1,10 @@
+/**
+ * Return true if the value is truthy and otherwise false
+ * @param val
+ */
+export function isTruthy(val: string | boolean | undefined): boolean {
+  if (typeof val === "string") {
+    return val.toLowerCase() === "true"
+  }
+  return !!val
+}