How to Send Messages to a Specific Channel Using discord.js

After scouring the internet, I have yet to find a solution to my Discord bot issue. My bot is built with Typescript and all of its commands are neatly organized in their own folder, each in a separate file.

I've come across suggestions to use 

client.channels.get(`channelID`).send(`Text`)

However, this leads to errors such as Object is possibly 'undefined'. and 

Property 'send' does not exist on type 'Channel'.

My goal is to make the bot send a message to every text channel from a specified list whenever someone triggers a reboot command. It started as a playful prank, but now it's causing some inconvenience with the constant requests for reboots. The bot goes offline for 3 minutes during the reboot, and I don't want it to be rendered unusable due to spamming.

In my attempt to achieve this, I'm using 

client.channels.get(channels.channelnames[5]).send("This is a message.")

https://i.sstatic.net/nycQu.png

https://i.sstatic.net/YoFEM.png

javascripttypescriptdiscord.jschannel

Answer №1

Solution:

if(msgObject.member.guild.channels.find(channel => channel.name === channels.channelnames[5]) as Discord.TextChannel) {
    var txtchannel = msgObject.member.guild.channels.find(channel => channel.name === channels.channelnames[5]) as Discord.TextChannel
    txtchannel.send("This is a message in a channel. Don't know why you're reading this.")
}

It seems I was on the right path. Just needed to add as Discord.TextChannel, which is probably what Cynthia meant by casting the variable as a TextChannel.

This piece of code is functional. A big thank you to everyone for your assistance!

Answer №2

After reviewing the documentation at https://discord.js.org/#/docs/main/stable/class/Collection, it appears that there is no mention of a get method.

Consider using 

client.channels[channels.channelnames[5]].send("Here's a message.")

In simpler terms, replace .get with square brackets in your code.

UPDATE: Upon further reflection, it seems like the issue may be related to type casting. Try converting the Channel into a TextChannel if you are certain it is a text channel.

Answer №3

If your channels are text channels, this code should work fine.

client.on('ready',(e)=>{


    let channel_ids = ['123','456','789'];

    // Loop through the list of channel ids.
    for(let i=0, l=channel_ids.length; i<l; i++){
        let channel_id = channel_ids[i];

        let this_channel = client.channels.get( channel_id );

        // Check if channel exists and is a text channel, then send a message
        if(this_channel && ['dm', 'group', 'text'].indexOf( this_channel.type ) != -1){
            this_channel.send('a cool message')
            .then(message => console.log(`Sent message: ${message.content}`))
            .catch(console.error);
        }

    }

});

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