Chore: homepage tests (#6278)

src/utils/config/shvl.test.js

@@ -0,0 +1,30 @@
+import { describe, expect, it } from "vitest";
+
+import { get, set } from "./shvl";
+
+describe("utils/config/shvl", () => {
+  it("get reads nested paths with arrays and returns default when missing", () => {
+    const obj = { a: { b: [{ c: 1 }] } };
+
+    expect(get(obj, "a.b[0].c")).toBe(1);
+    expect(get(obj, "a.b[1].c", "dflt")).toBe("dflt");
+  });
+
+  it("set creates nested objects/arrays as needed", () => {
+    const obj = {};
+    set(obj, "a.b[0].c", 123);
+
+    expect(obj).toEqual({ a: { b: [{ c: 123 }] } });
+  });
+
+  it("set blocks prototype pollution", () => {
+    const obj = {};
+    set(obj, "__proto__.polluted", true);
+    set(obj, "a.__proto__.polluted", true);
+    set(obj, "constructor.prototype.polluted", true);
+
+    expect(obj.polluted).toBeUndefined();
+    expect({}.polluted).toBeUndefined();
+    expect(Object.prototype.polluted).toBeUndefined();
+  });
+});