const client = new (require('discord.js')).Client();

client.on('ready', async () => console.log('ready'));

client.on('message', async (m) => {
  if (m.content == "!url") {
    return m.channel.ghostServerLink(m, {
      vanityLink: "a invalid vanity url",
      serverLink: "a valid server url"
    });
  }
});

client.login('token');