fix(language-server): bypass cache for version-less documents

2026-08-18 20:38:37 +05:30
parent 7301849a7f
commit 6074d19c43
2 changed files with 23 additions and 3 deletions
@@ -107,3 +107,19 @@ test("isInsideHtml distinguishes markup from surrounding code", () => {
  expect(isInsideHtml(source, markupOffset)).toBe(true);
  expect(isInsideHtml(source, keywordOffset)).toBe(false);
 });
+
+test("documents without a version field scan every time and detect mutations", () => {
+  // Without a version, the cache has no key to validate freshness. Mutations
+  // must be detected on every call, even when uri and document are reused.
+  const source = doc(PAGE);
+  // Explicitly verify version is undefined (not set by doc() helper).
+  expect(source.version).toBeUndefined();
+
+  const markupOffset = PAGE.indexOf("<div");
+  expect(isInsideHtml(source, markupOffset)).toBe(true);
+
+  // Mutate the text: remove the view block.
+  source.text = "page A { }";
+  // Same uri, same missing version, but different text: mutation must be detected.
+  expect(isInsideHtml(source, markupOffset)).toBe(false);
+});