【问题标题】:Timed Mute Command 'UnhandledPromiseRejectionWarning: DiscordAPIError: Unknown Role' error定时静音命令“UnhandledPromiseRejectionWarning: DiscordAPIError: Unknown Role”错误
【发布时间】:2021-09-03 22:23:10
【问题描述】:

我正在发出一个定时静音命令,但我得到了很多错误,主要错误是:

(node:6584) UnhandledPromiseRejectionWarning: DiscordAPIError: Unknown Role
    at RequestHandler.execute (c:\Users\user\Desktop\DiscordJSBOT\node_modules\discord.js\src\rest\RequestHandler.js:154:13)
    at processTicksAndRejections (internal/process/task_queues.js:93:5)
    at async RequestHandler.push (c:\Users\user\Desktop\DiscordJSBOT\node_modules\discord.js\src\rest\RequestHandler.js:39:14)
    at async GuildMemberRoleManager.remove (c:\Users\user\Desktop\DiscordJSBOT\node_modules\discord.js\src\managers\GuildMemberRoleManager.js:125:7)
(Use `node --trace-warnings ...` to show where the warning was created)

这是错误的代码:

const ms = require('ms');

module.exports = {
    name : 'mute',
    description: 'Mutes given user',
    
    execute(client, message, args) {
        
        if(!message.member.hasPermission('MUTE_MEMBERS') && message.member.hasPermission('MANAGE_ROLES')) {
            return message.reply('You need permissions to use this command !');
        }
        
        const target = message.mentions.users.first();
        if(target) {
            const member = message.guild.members.cache.get(target.id)
            
            if(member) {
                const muteRole = message.guild.roles.cache.find(role => role.name === "Muted");
                
                if(muteRole) {
                    const RoleFolder = []
                    const roles = member.roles.cache.map(role => role);

                    roles.forEach(role => {
                        RoleFolder.push(role.id)
                        member.roles.remove(role.id)
                    });
                    member.roles.add(muteRole.id)

                    setTimeout(function () {
                        member.roles.remove(muteRole.id)
                        RoleFolder.forEach(roles => {
                            member.roles.add(roles)
                        })
                    }, ms(args[1]));

                } else {
                    return message.reply('Make sure you have a role nammed "Muted" when trying to mute a member');
                }
            } else {
                return message.reply('There was an error while attempting to get member object of mentioned user !')
            }
        } else {
            return message.reply('You need a user to mute ! ');
        }
    }
}

问题来自于我从用户那里获取所有角色,存储它然后将其返回。我不知道是否还有其他方法可以做到这一点,但这就是我发现的。

谢谢!

【问题讨论】:

    标签: javascript arrays discord discord.js


    【解决方案1】:

    出现错误 DiscordAPIError: Unknown Role 是因为您试图从不和谐 API 找不到的用户中删除角色。这个角色是所有成员都有的@everyone 角色。

    您也不需要对角色运行map,因为您已经可以遍历缓存集合。

    您问题中的代码:

    const RoleFolder = []
    const roles = member.roles.cache.map(role => role);
    roles.forEach(role => {
        RoleFolder.push(role.id)
        member.roles.remove(role.id)
    });
    

    可以改为:

    const RoleFolder = []
    member.roles.cache.forEach(role => {
        if (role.id === member.guild.id) return;
        RoleFolder.push(role.id)
        member.roles.remove(role.id)
    });
    

    要忽略 discord API 中不存在的角色,您可以检查:

    role.id === member.guild.idrole.rawPosition === 0

    您可以使用return 跳过执行该特定角色的代码,这意味着它不会添加到 RoleFolder,也不会尝试删除该角色。

    编辑:我会避免使用role.name === '@everyone',因为用户可以创建一个名为@everyone 的角色,这会被遗漏,所以我更新了我的答案以检查更好的条件。

    【讨论】:

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