ticketbot | Linkifies tickets | Content Management System library

client.on("message", async (message) => {
    if (message.author.bot || message.channel.type == "dm") return false;

    const args = message.content.toLowerCase().split(" ");

    if (args[0] == "!ticket") {
        if (!message.guild.me.hasPermission("MANAGE_CHANNELS") || !message.guild.me.hasPermission("MANAGE_ROLES")) return message.channel.send("Not enough permissions I require the `MANAGE_CHANNELS` and `MANAGE_ROLES` permission!");

        const TicketCategory = message.guild.channels.cache.find(channel => channel.name == "Open Tickets");

        if (!TicketCategory) {
            message.guild.channels.create("Open Tickets", {
                type: "category",
                // READ_MESSAGES is not a valid permission flag in Discord JS v12.
                // Use READ_MESSAGE_HISTORY or VIEW_CHANNEL.
                permissionOverwrites: [{id: message.guild.roles.everyone, deny: ["READ_MESSAGE_HISTORY"]}]
            }).catch(e => console.log(e));
        }
    }
});