From 6de73df92e6ea9b7f5f7865d48883f06d6df3f3a Mon Sep 17 00:00:00 2001
From: nojaf <florian.verdonck@outlook.com>
Date: Thu, 26 Jun 2025 17:36:01 +0200
Subject: [PATCH] Add sample to reproduce

---
 tests/tests/src/jsx_preserve_custom_module.res | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tests/tests/src/jsx_preserve_custom_module.res

diff --git a/tests/tests/src/jsx_preserve_custom_module.res b/tests/tests/src/jsx_preserve_custom_module.res
new file mode 100644
index 0000000000..111e2c40de
--- /dev/null
+++ b/tests/tests/src/jsx_preserve_custom_module.res
@@ -0,0 +1,16 @@
+@@config({
+  flags: ["-bs-jsx", "4", "-bs-jsx-preserve", "-bs-jsx-module", "Custom"],
+})
+
+module Custom = {
+  type component<'props> = Jsx.component<'props>
+  type element = Jsx.element
+
+  external jsx: (component<'props>, 'props) => element = "jsx"
+
+  type fragmentProps = {children?: element}
+
+  external jsxFragment: component<fragmentProps> = "Fragment"
+}
+
+let _fragment = <> {Jsx.string("Hello, world!")} </>