A couple of days ago I created a new Discord server(This is the first time to create it) to communicate with school alumni.
I just tested discord.js since I may need to create a bot for the Discord server to do something.
In this post, I will show you how to create a Hello World bot that I post hello and a bot replies world to a channel.
Discord developer portal
https://discord.com/developers/docs/intro
discord.js
Step 1 Set up a bot
discord.py has a good page for this step.
https://discordpy.readthedocs.io/en/stable/discord.html
Step 2 Create a project
discord.js requires node 16.6.0+
$ yarn init -y
# if you use npm
$ npm init -y
install packages
If you would like to use js, skip yarn add -D/npm install -D.
In addition, dotenv is optional. If you want to test discord.js quickly, you won't need to install dotenv and you will need to hardcode the Token
$ yarn add discord.js dotenv
$ yarn add -D typescript ts-node
# for npm
$ npm install discord.js dotenv
$ npm install -D typescript ts-node
Step 3 Write a hello world bot
if you use js, you need to use require instead of import;
.env
TOKEN=xxxxxxx your token xxxxxxxxx
import DiscordJS, { Intents } from "discord.js";
import dotenv from "dotenv";
dotenv.config();
const client = new DiscordJS.Client({
intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_MESSAGES],
});
console.log("Starting...");
client.on("ready", () => {
console.log(`the bot is online!`);
});
client.on("messageCreate", (message) => {
console.log("messageCreate");
// get author info
const authorId = message.author.id;
const authorName = message.author.username;
console.log(`author: ${authorName}`);
if (message.content === "hello") {
message.reply({content: "world"});
}
});
client.login(process.env.TOKEN);
Step 4 Try a bot
run the bot
$ ts-node index.ts
# if you use js
$ node index.js
Post something to a channel. If you post hello, the bot replies world. At the same, time you can see your account name and your account id in your terminal.
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