Function buildTree

src/filesystem/index.ts:551–585

(currentPath: string, excludePatterns: string[] = [])

    const rootPath = args.path;

    async function buildTree(currentPath: string, excludePatterns: string[] = []): Promise<TreeEntry[]> {
      const validPath = await validatePath(currentPath);
      const entries = await fs.readdir(validPath, { withFileTypes: true });
      const result: TreeEntry[] = [];

      for (const entry of entries) {
        const relativePath = path.relative(rootPath, path.join(currentPath, entry.name));
        const shouldExclude = excludePatterns.some(pattern => {
          if (pattern.includes('*')) {
            return minimatch(relativePath, pattern, { dot: true });
          }
          // For files: match exact name or as part of path
          // For directories: match as directory path
          return minimatch(relativePath, pattern, { dot: true }) ||
            minimatch(relativePath, `**/${pattern}`, { dot: true }) ||
            minimatch(relativePath, `**/${pattern}/**`, { dot: true });
        });
        if (shouldExclude)
          continue;

        const entryData: TreeEntry = {
          name: entry.name,
          type: entry.isDirectory() ? 'directory' : 'file'
        };

        if (entry.isDirectory()) {
          const subPath = path.join(currentPath, entry.name);
          entryData.children = await buildTree(subPath, excludePatterns);
        }

        result.push(entryData);
      }

      return result;
    }

    const treeData = await buildTree(rootPath, args.excludePatterns);
    const text = JSON.stringify(treeData, null, 2);