feat(medusa, modules-sdk, types, utils): Re work modules loading and remove legacy functions (#5496)

packages/medusa-core-utils/src/parse-cors-origins.ts

@@ -1,7 +1,9 @@
-import { buildRegexpIfValid } from "./build-regexp-if-valid";
+import { buildRegexpIfValid } from "./build-regexp-if-valid"
 
 export function parseCorsOrigins(str: string): (string | RegExp)[] {
-  return str.split(",").map((subStr) => {
-    return buildRegexpIfValid(subStr) ?? subStr
-  })
+  return !str
+    ? []
+    : str.split(",").map((subStr) => {
+        return buildRegexpIfValid(subStr) ?? subStr
+      })
 }