Discord.js v12 - episode [2]

//server.js
const Discord = require("discord.js")

const client = new Discord.Client();

const config = require("./config.json")

client.on("ready", () => {
  console.log(`${client.user.tag} online!`)
});

client.on("message", message => {
 if(message.content === `${config.prefix}ping`) {
   message.reply("pong!")
 }
});

client.on("message", async message => {
  if(!message.content.startsWith(config.prefix) || message.author.bot) return;

  let args = message.content.slice(config.prefix.length).split(" ")
  let cmd = args.shift().toLowerCase()

  if(cmd === "say") {
    let kalimat = args.join(" ")
    if(!kalimat) return message.reply("Masukan sebuah kalimat")

    let embed = new Discord.MessageEmbed()
    .setAuthor("Say commands")
    .setDescription(kalimat)
    .setColor("black")
    .setFooter("say commands")
    message.channel.send(embed)
  }
});

  client.login(config.token);

//config.json
{
  "token": "your token bot",
  "prefix": "your bot prefix"
}

//Package.json
{
  "name": "Jeremy",
  "version": "0.0.1",
  "description": "A simple Node app built on Express, instantly up and running.",
  "main": "server.js",
  "scripts": {
    "start": "node server.js"
  },
  "dependencies": {
    "express": "^4.17.1",
    "discord.js": "^12.1.1"
  },
  "engines": {
    "node": "12.x"
  },
  "repository": {
    "url": "https://glitch.com/edit/#!/hello-express"
  },
  "license": "MIT",
  "keywords": [
    "node",
    "glitch",
    "express"
  ]
}