feat: add safe project upgrades and production performance fixes

2026-07-12 16:54:22 +05:30
parent a524c08126
commit 935b3103dd
68 changed files with 555 additions and 107 deletions
@@ -22,3 +22,16 @@ test("deduplicates runtime scripts and module preloads", () => {
  expect(html.match(/rel="modulepreload"/g)).toHaveLength(1);
  expect(html.match(/src="\/app\.js"/g)).toHaveLength(1);
 });
+
+test("always emits a document language and preserves an explicit language", () => {
+  const fallback = renderDocument({ meta: {}, body: "" });
+  expect(fallback).toContain('<html lang="en">');
+
+  const explicit = renderDocument({
+    meta: {},
+    body: "",
+    htmlAttrs: ' data-theme="dark" lang="fr"',
+  });
+  expect(explicit).toContain('<html data-theme="dark" lang="fr">');
+  expect(explicit).not.toContain('lang="en"');
+});