import fs from "node:fs";
import { createHash } from "node:crypto";

export async function sha256File(filePath: string): Promise<string> {
  return new Promise((resolve, reject) => {
    const hash = createHash("sha256");
    const stream = fs.createReadStream(filePath);

    stream.on("error", reject);
    stream.on("data", (chunk) => hash.update(chunk));
    stream.on("end", () => resolve(hash.digest("hex")));
  });
}