import { readFileSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

let cachedVersion: string | undefined;

export function packageVersion(): string {
  if (cachedVersion) return cachedVersion;
  const root = join(dirname(fileURLToPath(import.meta.url)), "..");
  const pkg = JSON.parse(readFileSync(join(root, "package.json"), "utf8")) as {
    version: string;
  };
  cachedVersion = pkg.version;
  return cachedVersion;
}