[英]How to show roles of user discord.js / userinfo command
我正在尝试创建一个
userinfo<\/code>命令,但目前我一直坚持显示用户的角色。
这是我的代码:
const Discord = module.require('discord.js');
const moment = require('moment');
module.exports.run = async (bot, message, args) => {
let user = message.mentions.users.first() || message.author;
const joinDiscord = moment(user.createdAt).format('llll');
const joinServer = moment(user.joinedAt).format('llll');
let embed = new Discord.RichEmbed()
.setAuthor(user.username + '#' + user.discriminator, user.displayAvatarURL)
.setDescription(`${user}`)
.setColor(`RANDOM`)
.setThumbnail(`${user.displayAvatarURL}`)
.addField('Joined at:', `${moment.utc(user.joinedAt).format('dddd, MMMM Do YYYY, HH:mm:ss')}`, true)
.addField('Status:', user.presence.status, true)
.addField('Roles:', user.roles.map(r => `${r}`).join(' | '), true)
.setFooter(`ID: ${user.id}`)
.setTimestamp();
message.channel.send({ embed: embed });
return;
}
module.exports.help = {
name: 'userinfo'
}
User.roles<\/code><\/a>
undefined<\/code> ,因为该属性不存在:尝试使用
GuildMember.roles<\/code><\/a>代替:
let member = message.mentions.members.first() || message.member,
user = member.user;
let embed = new Discord.RichEmbed()
// ... all the other stuff ...
.addField('Roles:', member.roles.map(r => `${r}`).join(' | '), true)
尝试添加这个.addField("Roles:", member.roles.map(roles =>
${roles} ).join(', '), true)
我的整个代码是
let user;
if (message.mentions.users.first()) {
user = message.mentions.users.first();
} else {
user = message.`enter code here`author;
}
const member = message.guild.member(user);
const embed = new Discord.RichEmbed()
.setColor("RANDOM")
.setThumbnail(message.author.avatarURL)
.addField(`${user.tag}`, `${user}`, true)
.addField("ID:", `${user.id}`, true)
.addField("Nickname:", `${member.nickname !== null ? `${member.nickname}` : 'None'}`, true)
.addField("Status:", `${user.presence.status}`, true)
.addField("In Server", message.guild.name, true)
.addField("Game:", `${user.presence.game ? user.presence.game.name : 'None'}`, true)
.addField("Bot:", `${user.bot}`, true)
.addField("Joined The Server On:", `${moment.utc(member.joinedAt).format("dddd, MMMM Do YYYY")}`, true)
.addField("Account Created On:", `${moment.utc(user.createdAt).format("dddd, MMMM Do YYYY")}`, true)
.addField("Roles:", member.roles.map(roles => `${roles}`).join(', '), true)
.setFooter(`Replying to ${message.author.username}#${message.author.discriminator}`)
message.channel.send({embed});
TypeError: Cannot read property 'map' of undefined - 这意味着代码中的某处发生了undefined
变量的执行.map
函数的情况。
你只有一张map
。 这里:
.addField('Roles:', user.roles.map(r => `${r}`).join(' | '), true)
// ^^^
这一行引发了这个错误,所以这意味着user.roles
是undefined
。
尝试:
let user = message.mentions.users.first() || message.author;
console.log(user.roles); // it is undefined
user.roles
是undefined
。
如果用户没有角色可以,您可以替换:
.addField('Roles:', user.roles.map(r => `${r}`).join(' | '), true)
和:
.addField('Roles:', user.roles ? user.roles.map(r => `${r}`).join(' | ') : "", true)
如果user
对象中没有roles
属性,这将设置空字符串。
另一种选择是将user.roles
设置为空数组,如果它不存在(或在此if
中执行其他操作,即抛出错误):
let user = /* get user*/
if (!user.roles){
user.roles = [];
}
对于角色,我还建议您删除
@everyone<\/code>角色
这是一个例子
message.member.roles.cache.map(r => r.name)
// ["Mod","Member","Staff","Owner","@everyone"]
// If you don't want the everyone role use :
message.member.roles.cachemap(r => r.name).slice(0,-1).
// ["Mod","Member","Staff","Owner"]
这对 discord.js 12.x 100% 有效
<@&${message.guild.member(message.author)._roles.join('> <@&')}>
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