Utils.ts

import axios, { AxiosResponse } from "axios";

export default class Utils {
  static async fetchRemoteData(url: string) {
    try {
      const response: AxiosResponse<any> = await axios.get(url, {
        responseType: "arraybuffer",
      });
      return new Uint8Array(response.data);
    } catch (error: any) {
      throw new Error("Error in Utils.fetchRemoteData: ", error);
    }
  }

  static async fetchRemoteDataCallback(url: string, callback: any) {
    try {
      const response: any = await axios
        .get(url, { responseType: "arraybuffer" })
        .then((response: any) => {
          const data = new Uint8Array(response.data);
          console.log(data);
          callback(response);
        });
      return response;
    } catch (error: any) {
      throw new Error("Error in Utils.fetchRemoteDataCallback: ", error);
    }
  }

  static string2Uint8Data(string: string) {
    const data = new Uint8Array(string.length);
    for (let i = 0; i < data.length; i++) {
      data[i] = string.charCodeAt(i) & 0xff;
    }
    return data;
  }
}