【问题标题】:discord.js can't add a role to member when they join my server当成员加入我的服务器时,discord.js 无法向成员添加角色
【发布时间】:2022-01-09 10:51:04
【问题描述】:

我希望我的机器人在人们加入服务器时赋予他们特定的角色。但是我遇到了一些我不太明白的奇怪错误。

这是代码:

const { GuildMember, MessageEmbed } = require("discord.js");

module.exports = {
    name: "guildMemberAdd",
    /**
     * @param {GuildMember} member
     */
    async execute(member){
        let role = member.guild.roles.cache.some(role => role.name === 'Member')
        member.roles.add(role)

        member.guild.channels.cache.get(process.env.WELCOME_MESSAGE_CHANNEL_ID).send({ 
            embeds: [
                new MessageEmbed()
                .setTitle("Welcome! :smiley:")
                .setDescription(`${member.toString()} has joined the server!\n
                                Thanks for joining. Head over to <#${process.env.RULE_CHANNEL_ID}> and verify yourself in <#${process.env.VERIFY_CHANNEL_ID}> to get access to all other channels.`)
                .setThumbnail(member.user.displayAvatarURL())
                .setColor("GREEN")
            ]
        }) 
    }
}

当有人加入时,我会收到以下错误消息:

TypeError [INVALID_TYPE]:提供的角色不是角色、雪花或 角色或雪花的数组或集合。

【问题讨论】:

  • role 似乎未定义,执行console.log(role) 并查看显示的内容

标签: javascript node.js discord.js bots


【解决方案1】:

问题在于some() 返回一个布尔值(truefalse),当您尝试向成员添加角色时,您传递的是该布尔值而不是角色 ID。您可以使用find() 方法代替返回给定函数返回真值的第一项(即role.name 等于"Member"):

  async execute(member) {
    let role = member.guild.roles.cache.find((role) => role.name === 'Member');

    if (!role)
      return console.log('Cannot find the role with the name "Member"');

    member.roles.add(role);
    member.guild.channels.cache
      .get(process.env.WELCOME_MESSAGE_CHANNEL_ID)
      .send({
        embeds: [
          new MessageEmbed()
            .setTitle('Welcome! :smiley:')
            .setDescription(
              `${member.toString()} has joined the server!\n Thanks for joining. Head over to <#${process.env.RULE_CHANNEL_ID}> and verify yourself in <#${process.env.VERIFY_CHANNEL_ID}> to get access to all other channels.`,
            )
            .setThumbnail(member.user.displayAvatarURL())
            .setColor('GREEN'),
        ],
      });
  }

【讨论】:

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