plugmk

import path from "node:path";
import fs from "node:fs";

export function resolveInside(baseDir: string, userPath: string): string {
  const resolved = path.resolve(baseDir, userPath);
  const base = path.resolve(baseDir);
  const relative = path.relative(base, resolved);
  if (relative.startsWith("..") || path.isAbsolute(relative)) {
    throw new Error(`Path escapes workspace: ${userPath}`);
  }
  return resolved;
}

export function ensureDirExists(p: string): void {
  fs.mkdirSync(p, { recursive: true });
}

export function isHidden(name: string): boolean {
  return name.startsWith(".");
}