@zikeji/hypixel/src/util/NBT.ts

With IntelliSense support & test coverage, this is an unopinionated async/await API wrapper for Hypixel's Public API. It is developed in TypeScript complete with documentation, typed interfaces for all API responses, built-in rate-limit handling, flexible

import type * as prismarineNbt from "prismarine-nbt";
import type { NBTInventoryItem } from "../helpers/TransformItemData";

let nbt: typeof prismarineNbt;

export async function parse(
  value: number[] | string | Buffer
): Promise<NBTInventoryItem[]> {
  let buffer: Buffer;
  if (Buffer.isBuffer(value)) {
    buffer = value;
  } else {
    buffer = Array.isArray(value)
      ? Buffer.from(value)
      : Buffer.from(value, "base64");
  }
  if (!nbt) {
    try {
      nbt = await import("prismarine-nbt");
    } catch (e) {
      /* istanbul ignore next */
      throw new Error("prismarine-nbt must be installed to use this helper");
    }
  }

  return nbt.simplify((await nbt.parse(buffer)).parsed.value.i as never);
}