galactic-bot/structure/extensions/TextChannel.js

const { Structures } = require('discord.js');

const TextChannel = Structures.extend('TextChannel', (TextChannel) => {

    class ExtendedTextChannel extends TextChannel {

        get display() {
            return `#${this.name}`;
        }

        get mention() {
            return `<#${this.id}>`;
        }

    }

    return ExtendedTextChannel;

});

module.exports = TextChannel;