import type { Type } from "protobufjs";

export const ProtoCodec = {
  encode(reqType: Type, obj: any): Uint8Array {
    const err = reqType.verify(obj);
    if (err) throw Error(err);
    return reqType.encode(reqType.create(obj)).finish();
  },

  decode<T = any>(resType: Type, buf: ArrayBuffer | Uint8Array): T {
    const u8 = buf instanceof Uint8Array ? buf : new Uint8Array(buf);
    return resType.decode(u8) as unknown as T;
  }
};