Function walk

src/context/data-flow.ts:69–75

(n: any)

  const params = node.childForFieldName?.('parameters');
  if (!params) return;
  const walk = (n: any) => {
    if (!n) return;
    if (n.type === 'identifier' || n.type === 'shorthand_property_identifier_pattern') {
      into.add(source.slice(n.startIndex, n.endIndex));
    }
    for (let i = 0; i < (n.childCount ?? 0); i++) walk(n.child(i));
  };
  walk(params);
}