chore(framework,medusa): load custom flags before medusa config (#13312)

* chore(framework,medusa): load custom flags before medusa config

* test

* test runner

* changeset

* check manager featureFlags

* discover and register flags

* rm comments

* update changeset

* changeset

* use local cli

* execute from local medusa command

---------

Co-authored-by: Adrien de Peretti <adrien.deperetti@gmail.com>

packages/core/utils/src/feature-flags/discover-and-register-feature-flags.ts

@@ -0,0 +1,43 @@
+import { FlagSettings, Logger } from "@medusajs/types"
+import { discoverFeatureFlagsFromDir } from "./discover-feature-flags"
+import { FlagRouter } from "./flag-router"
+import { registerFeatureFlag } from "./register-flag"
+
+export interface DiscoverAndRegisterOptions {
+  flagDir: string
+  projectConfigFlags?: Record<string, any>
+  router: FlagRouter
+  logger?: Logger
+  track?: (key: string) => void
+  maxDepth?: number
+}
+
+/**
+ * Utility function to discover and register feature flags from a directory
+ */
+export async function discoverAndRegisterFeatureFlags(
+  options: DiscoverAndRegisterOptions
+): Promise<void> {
+  const {
+    flagDir,
+    projectConfigFlags = {},
+    router,
+    logger,
+    track,
+    maxDepth,
+  } = options
+
+  const discovered = await discoverFeatureFlagsFromDir(flagDir, maxDepth)
+
+  for (const def of discovered) {
+    const registerOptions: Parameters<typeof registerFeatureFlag>[0] = {
+      flag: def as FlagSettings,
+      projectConfigFlags,
+      router,
+      logger,
+      track,
+    }
+
+    registerFeatureFlag(registerOptions)
+  }
+}

packages/core/utils/src/feature-flags/index.ts

@@ -1,3 +1,4 @@
 export * from "./discover-feature-flags"
+export * from "./discover-and-register-feature-flags"
 export * from "./flag-router"
 export * from "./register-flag"