fix: force the attrset before checking its type in Nix.hasAttr

2026-01-22 16:46:11 +08:00
parent 7679a3b67f
commit 58c3e67409
1 changed files with 3 additions and 2 deletions
--- a/nix-js/runtime-ts/src/helpers.ts
+++ b/nix-js/runtime-ts/src/helpers.ts
@@ -265,10 +265,11 @@ function selectWithDefault_impl(obj: NixValue, attrpath: NixValue[], default_val
 }

 export const hasAttr = (obj: NixValue, attrpath: NixValue[]): NixBool => {
-  if (!isAttrs(obj)) {
+  const forced = force(obj);
+  if (!isAttrs(forced)) {
    return false;
  }
-  let attrs = obj;
+  let attrs = forced;

  for (const attr of attrpath.slice(0, -1)) {
    const cur = force(attrs[forceString(attr)]);