fix(medusa-react): Fix production.min.js causing invalid hook usage error in CJS environments (#3144)

packages/medusa-react/src/utils/index.ts

@@ -0,0 +1,11 @@
+export const isObject = (input: any) => input instanceof Object
+export const isArray = (input: any) => Array.isArray(input)
+export const isEmpty = (input: any) => {
+  return (
+    input === null ||
+    input === undefined ||
+    (isObject(input) && Object.keys(input).length === 0) ||
+    (isArray(input) && (input as any[]).length === 0) ||
+    (typeof input === "string" && input.trim().length === 0)
+  )
+}