fix(csr): consume document binding metadata

2026-08-11 19:12:42 +05:30
parent 78ca2b85d9
commit 4d6db0d887
2 changed files with 33 additions and 0 deletions
@@ -549,6 +549,25 @@ test("hydration consumes private scope, behavior, and binding metadata", () => {
  expect(button.getAttribute("aria-expanded")).toBe("true");
 });

+test("hydration removes server-resolved document binding metadata", () => {
+  const win = mount(`<main>Document content</main>`);
+  const root = win.document.documentElement;
+  root.setAttribute("lang", "en");
+  root.setAttribute("data-theme", "dark");
+  root.setAttribute("data-wrn-bind-0", '["lang","{language}"]');
+  root.setAttribute("data-wrn-bind-1", '["data-theme","{theme}"]');
+
+  const runtime = win as unknown as {
+    __wrnexusHydrateScopes?: (root: unknown) => void;
+  };
+  runtime.__wrnexusHydrateScopes?.(win.document);
+
+  expect(root.getAttribute("lang")).toBe("en");
+  expect(root.getAttribute("data-theme")).toBe("dark");
+  expect(root.hasAttribute("data-wrn-bind-0")).toBe(false);
+  expect(root.hasAttribute("data-wrn-bind-1")).toBe(false);
+});
+
 test("compiled client functions are not overwritten by fallback behavior parsing", () => {
  const behavior = Buffer.from(
    JSON.stringify({