discord-widget-data.js

function DiscordWidgetData() {
  this.load = async function (guildId) {
    return new Promise(function (resolve, reject) {
      fetch("https://discordapp.com/api/v6/guilds/" + guildId + "/widget.json", {
        method: "GET",
        mode: "cors",
        cache: "reload",
        redirect: "follow"
      }).then(response => {
        if (!response.ok) {
          reject(new Error(response.statusText));

          return;
        }

        resolve(response.json());
      }).catch(e => {
        console.log(e);

        reject(e);
      });
    });
  }
}