Question 169370 in Javascript Question posted in
A very good W3school tutorial can be found here.

How can I use the client from my index file in other files with discord.js?

I am currently working on a bot discord developed with Node.js.
I have correctly split my project by separating the different parts in associated folders.
My project folder
I have a problem though, because I need to use the client I created in the index in my guildMemberAdd.js and other files, but I don’t know how to pass it correctly.
index.js

I tried to put my client variable in global variable but it creates an error.
index.js
cmd

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2

Answers


  1. 0

    you can add this code to your index.js file to export the Client variable

    module.exports = {client};

    And then, you need to call the variable from the files that you want to use the variable in them using a destructor like this:

    const {client} = require(relativePathOfIndexFile);
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  2. 0

    You don’t need to pass down the instantiated client to every file as it’s available from the callback functions.

    For example, if you want to get the client in the guildMemberAdd event, you can grab it from the GuildMember (which is the first parameter):

    // guildMemberAdd.js 
module.exports = {
  // ...
  async execute(member) {
    const { client } = member

    // you can use the client now :)
  }
}

    It will work with other events too. Some examples below:

    // messageCreate.js
async execute(message) {
  const { client } = message
}

    // channelCreate.js
async execute(channel) {
  const { client } = channel
}

    // interactionCreate.js
async execute(interaction) {
  const { client } = interaction
}

    If you still want to pass the client, you can pass it as the last parameter:

    for (const file of eventFiles) {
  const filePath = path.join(eventsPath, file);
  const event = require(filePath);

  if (event.once) {
    client.once(event.name, (...args) => event.execute(...args, client));
  } else {
    client.on(event.name, (...args) => event.execute(...args, client));
  }
}

    This way client is the last argument:

    // guildMemberAdd.js 
module.exports = {
  // ...
  async execute(member, client) {
    // ...
  }
}

    However, this way you will have to include every argument. For example, in roleUpdate:

    // roleUpdate.js 
module.exports = {
  // ⛔️ this won't work
  async execute(oldRole, client) {
    // client is a Role, not the Client
  
  // ✅ only this one will work
  async execute(oldRole, newRole, client) {
    // ...
  }
}
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