From dfcd1dbb64fd4f8f2eecbf10f8afe849cc3954b7 Mon Sep 17 00:00:00 2001
From: ajnart <thomas@ajnart.fr>
Date: Sat, 8 Aug 2026 18:24:38 +0200
Subject: [PATCH] fix: guard recursive section rendering

---
 .../board/sections/gridstack/gridstack.spec.ts        | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 apps/nextjs/src/components/board/sections/gridstack/gridstack.spec.ts

diff --git a/apps/nextjs/src/components/board/sections/gridstack/gridstack.spec.ts b/apps/nextjs/src/components/board/sections/gridstack/gridstack.spec.ts
new file mode 100644
index 000000000..3df5c1a38
--- /dev/null
+++ b/apps/nextjs/src/components/board/sections/gridstack/gridstack.spec.ts
@@ -0,0 +1,11 @@
+import { describe, expect, test } from "vitest";
+
+import { filterRecursiveInnerSections } from "./gridstack";
+
+describe("filterRecursiveInnerSections", () => {
+  test("removes sections that would recursively render an ancestor", () => {
+    const innerSections = [{ id: "safe" }, { id: "parent" }, { id: "root" }];
+
+    expect(filterRecursiveInnerSections(innerSections, new Set(["root", "parent"]))).toEqual([{ id: "safe" }]);
+  });
+});