import { useState } from 'react';

export const useExpandedDirectories = () => {
  const [expandedDirs, setExpandedDirs] = useState<Set<string>>(new Set());

  const toggleDir = (path: string) => {
    setExpandedDirs(prev => {
      const newSet = new Set(prev);
      if (newSet.has(path)) {
        newSet.delete(path);
      } else {
        newSet.add(path);
      }
      return newSet;
    });
  };

  return { expandedDirs, toggleDir };
};