import { createHash } from "node:crypto";

const hasher = createHash("sha256");

export const hashDigest = (payload: string | Buffer) =>
    "sha-256="
    + hasher
        .update((Buffer.isBuffer(payload) ? payload : Buffer.from(payload)).toString("hex"))
        .digest("base64");

export const streamToString = async (stream: ReadableStream<Uint8Array>) => {
    const arr = new Uint8Array(await new Response(stream).arrayBuffer());
    return new TextDecoder("utf-8").decode(arr);
};