/// import { Client, Message, MessageAttachment, MessageEmbed } from 'discord.js'; const client: Client = new Client(); client.on('ready', () => { console.log(`Client is logged in as ${client.user!.tag} and ready!`); }); client.on('guildCreate', g => { const channel = g.channels.cache.random(); if (!channel) return; channel.setName('foo').then(updatedChannel => { console.log(`New channel name: ${updatedChannel.name}`); }); }); client.on('messageReactionRemoveAll', async message => { console.log(`messageReactionRemoveAll - id: ${message.id} (${message.id.length})`); if (message.partial) message = await message.fetch(); console.log(`messageReactionRemoveAll - content: ${message.content}`); }); // These are to check that stuff is the right type declare const assertIsMessage: (m: Promise) => void; declare const assertIsMessageArray: (m: Promise) => void; client.on('message', ({ channel }) => { assertIsMessage(channel.send('string')); assertIsMessage(channel.send({})); assertIsMessage(channel.send({ embed: {} })); assertIsMessage(channel.send({ another: 'property' }, {})); const attachment = new MessageAttachment('file.png'); const embed = new MessageEmbed(); assertIsMessage(channel.send(attachment)); assertIsMessage(channel.send(embed)); assertIsMessage(channel.send([attachment, embed])); assertIsMessageArray(channel.send(Symbol('another primitive'), { split: true })); assertIsMessageArray(channel.send({ split: true })); // @ts-expect-error channel.send(); // @ts-expect-error channel.send({ another: 'property' }); }); client.login('absolutely-valid-token');