import { copyFileSync, mkdirSync, readdirSync, statSync } from "node:fs";
import { join } from "node:path";

export async function copyDir(src: string, dest: string, options?: { 
  filter?: (file: string) => boolean 
}) {
  const entries = readdirSync(src);

  mkdirSync(dest, { recursive: true });

  for (const entry of entries) {
    const srcPath = join(src, entry);
    const destPath = join(dest, entry);

    const stat = statSync(srcPath);
    
    if (options?.filter && !options.filter(srcPath)) {
      continue;
    }

    if (stat.isDirectory()) {
      await copyDir(srcPath, destPath, options);
    } else {
      copyFileSync(srcPath, destPath);
    }
  }
}