const discordTranscripts = require('discord-html-transcripts');
// or (if using typescript) import * as discordTranscripts from 'discord-html-transcripts';

const channel = message.channel; // or however you get your TextChannel

// Must be awaited
const attachment = await discordTranscripts.createTranscript(channel);

channel.send({
  files: [attachment],
});

const discordTranscripts = require('discord-html-transcripts');
// or (if using typescript) import * as discordTranscripts from 'discord-html-transcripts';

const messages = someWayToGetMessages(); // Must be Collection<string, Message> or Message[]
const channel = someWayToGetChannel(); // Used for ticket name, guild icon, and guild name

// Must be awaited
const attachment = await discordTranscripts.generateFromMessages(messages, channel);

channel.send({
  files: [attachment],
});

const attachment = await discordTranscripts.createTranscript(channel, {
    limit: -1, // Max amount of messages to fetch. `-1` recursively fetches.
    returnType: 'attachment', // Valid options: 'buffer' | 'string' | 'attachment' Default: 'attachment' OR use the enum ExportReturnType
    filename: 'transcript.html', // Only valid with returnType is 'attachment'. Name of attachment.
    saveImages: false, // Download all images and include the image data in the HTML (allows viewing the image even after it has been deleted) (! WILL INCREASE FILE SIZE !)
    footerText: "Exported {number} message{s}", // Change text at footer, don't forget to put {number} to show how much messages got exported, and {s} for plural
    callbacks: {
      // register custom callbacks for the following:
      resolveChannel: (channelId: string) => Awaitable<Channel | null>,
      resolveUser: (userId: string) => Awaitable<User | null>,
      resolveRole: (roleId: string) => Awaitable<Role | null>
    },
    poweredBy: true // Whether to include the "Powered by discord-html-transcripts" footer
});

const attachment = await discordTranscripts.generateFromMessages(messages, channel, {
  // Same as createTranscript, except no limit
});