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xiao/commands/util/help.js
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Daniel Odendahl Jr 0d3c2cfb1c Prevent massive spam
2017-11-20 21:32:04 +00:00

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JavaScript
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const { Command } = require('discord.js-commando');
const { MessageEmbed } = require('discord.js');
const { stripIndents } = require('common-tags');
const { util: { disambiguation } } = require('discord.js-commando');
module.exports = class HelpCommand extends Command {
constructor(client) {
super(client, {
name: 'help',
aliases: ['commands', 'command-list'],
group: 'util',
memberName: 'help',
description: 'Displays a list of available commands, or detailed information for a specific command.',
guarded: true,
args: [
{
key: 'command',
prompt: 'Which command would you like to view the help for?',
type: 'string',
default: ''
}
]
});
}
async run(msg, { command }) {
const commands = this.client.registry.findCommands(command, false, msg);
if (command) {
if (commands.length === 1) {
const data = commands[0];
return msg.say(stripIndents`
__Command **${data.name}**__${data.nsfw ? ' (NSFW)' : ''}${data.guildOnly ? ' (Usable only in servers)' : ''}
${data.description} ${data.details ? `\n_${data.details}_` : ''}
**Format**: ${msg.anyUsage(`${data.name} ${data.format || ''}`)}
**Aliases**: ${data.aliases.join(', ') || 'None'}
**Group**: ${data.group.name} (\`${data.groupID}:${data.memberName}\`)
`);
} else if (commands.length > 15) {
return msg.say('Multiple commands found. Please be more specific.');
} else if (commands.length > 1) {
return msg.say(disambiguation(commands, 'commands'));
}
return msg.say(`Could not identify command. Use ${msg.usage(null)} to view a list of commands.`);
} else {
const embed = new MessageEmbed()
.setTitle('Command List')
.setDescription(`Use ${msg.usage('<command>')} to view detailed information about a command.`)
.setColor(0x00AE86);
for (const group of this.client.registry.groups.values()) {
embed.addField(` ${group.name}`, group.commands.map(cmd => cmd.name).join(', ') || 'None');
}
try {
const msgs = [];
msgs.push(await msg.direct({ embed }));
if (msg.channel.type !== 'dm') msgs.push(await msg.say('📬 Sent you a DM with information.'));
return msgs;
} catch (err) {
return msg.reply('Failed to send DM. You probably have DMs disabled.');
}
}
}
};