CODEWITHSUNDEEP
javascriptdiscord.jsbotsrestart
BenJ
BenJ

Reputation: 31

Update discord.js bot without killing it

is there a way to update my discord bot's code without killing its process ?

Like if I change a single letter in a command code, do I have to restart the bot entirely to update it ? And what about non-command code ?

I'm restarting my bot to update/test the code a lot lately, and discord sent me a message saying my bot restarts too often.

Should i ignore the message, or do you have a solution for updating without restarting it?

Thanks.

Upvotes: 2

Views: 439

Answers (1)

waki285
waki285

Reputation: 514

For example, if a command handler is created like this,

index.js

const { Collection } = require("discord.js");

client.slash = new Collection();
const slashCommandFolders = fs.readdirSync("./slash");
for (const folder of slashCommandFolders) {
  const commandFiles = fs
    .readdirSync(`./slash/${folder}`)
    .filter((file) => file.endsWith(".js"));
  for (const file of commandFiles) {
    const command = require(`./slash/${folder}/${file}`);
    client.slash.set(command.name, command);
  }
}

(command file is in slash/<category>/<command_name>.js)

slash/general/ping.js

const { CommandInteraction } = require("discord.js");

module.exports = {
  name: "ping",
  /**
   *
   * @param {CommandInteraction} i
   */
  execute(i) {
    i.reply({ content: "Pong" });
  },
};

(The interactionCreate event needs to be handled properly, but we will skip that here)

By creating such a reload command:

src/admin/reload.js

const {
  CommandInteraction,
  Client,
  CommandInteractionOptionResolver,
} = require("discord.js");
const fs = require("fs");

module.exports = {
  name: "reload",
  /**
   *
   * @param {CommandInteraction} i
   * @param {Client} client
   * @param {CommandInteractionOptionResolver} options
   */
  async execute(i, client, options) {
    const commandName = options.getString("command").toLowerCase();
    const command =
      i.client.slash.get(commandName) ||
      i.client.slash.find(
        (cmd) => cmd.aliases && cmd.aliases.includes(commandName)
      );

    if (!command)
      return i.reply({ content: "No command found", ephemeral: true });
    const commandFolders = fs.readdirSync("./slash");
    const folderName = commandFolders.find((folder) =>
      fs.readdirSync(`./slash/${folder}`).includes(`${command.name}.js`)
    );
    delete require.cache[
      require.resolve(`../${folderName}/${command.name}.js`)
    ];

    try {
      const newCommand = require(`../${folderName}/${command.name}.js`);
      i.client.slash.set(newCommand.name, newCommand);
      i.reply({ content: "reloaded", ephemeral: true });
    } catch (error) {
      console.error(error);
      i.reply({ content: "reload failed", ephemeral: true });
    }
  },
};

We can apply changes without restarting bot. so dapper system

Upvotes: 1

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