artibot/dist/core/commands/help.js

Modern, fast and modular open-source Discord bot

import { ChannelType } from "discord.js";
import log from "../../logger.js";
import { Command } from "../../modules.js";
export default async function helpCommand(message, args, artibot) {
    const { localizer, createEmbed, config } = artibot;
    // If there are no args, it means it needs whole help command.
    if (!args.length) {
        const commandList = [];
        artibot.modules.forEach(module => module.parts.forEach(part => {
            if (part instanceof Command)
                commandList.push(part.name);
        }));
        const helpEmbed = createEmbed()
            .setTitle(localizer._("List of all available commands"))
            .setDescription("`" + commandList.join("`, `") + "`")
            .addFields({
            name: localizer._("Usage"),
            value: localizer.__("You can send `[[0]]help [name of the command]` to get more info on a specific command!", { placeholders: [config.prefix] })
        });
        // Attempts to send embed in DMs.
        return message.author
            .send({ embeds: [helpEmbed] })
            .then(() => {
            if (message.channel.type == ChannelType.DM)
                return;
            // On validation, reply back.
            message.reply({ content: localizer._("I sent you a DM with the list of all my commands") });
        })
            .catch((error) => {
            // On failing, throw error.
            log("Core", `${localizer.__("Impossible to send the list of commands in DM to [[0]]. Details of the error:", { placeholders: [message.author.tag] })} ${error}`, "warn", true);
            message.reply({ content: localizer._("Looks like it's impossible for me to send you a DM!") });
        });
    }
    // If argument is provided, check if it's a command.
    const name = args[0].toLowerCase();
    const command = findCommand(name, artibot.modules);
    // Check if command does not exist
    if (!command) {
        await message.reply({ content: "`" + args[0] + "` " + localizer._("is not a valid command...") });
        return;
    }
    const commandEmbed = createEmbed().setTitle(localizer._("Help on a command"));
    if (command.description)
        commandEmbed.setDescription(`${command.description}`);
    if (command.aliases.length) {
        commandEmbed.addFields({
            name: localizer._("Alias"),
            value: `\`${command.aliases.join("`, `")}\``,
            inline: true
        });
    }
    commandEmbed.addFields({
        name: localizer._("Cooldown"),
        value: `${command.cooldown} ${localizer._("second(s)")}`,
        inline: true
    });
    if (command.usage) {
        commandEmbed.addFields({
            name: localizer._("Usage"),
            value: `\`${config.prefix}${command.name} ${command.usage}\``,
            inline: true
        });
    }
    // Finally send the embed.
    await message.channel.send({ embeds: [commandEmbed] });
}
function findCommand(name, modules) {
    for (const [, { parts }] of modules) {
        for (const part of parts) {
            if ((part instanceof Command) && (part.name == name || part.aliases.includes(name)))
                return part;
        }
    }
}
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