TypeError:无法读取属性'；id'；未定义的| Discord.js

目标：禁止每次在审核日志中发现试图创建频道的用户

代码：

// Channel Create
client.on("channelCreate", async (channel) => {

    const FetchingLogs = await client.guilds.cache.get(channel.guild.id).fetchAuditLogs({
        limit: 1,
        type: "CHANNEL_CREATE",
    })

    const ChannelLog = FetchingLogs.entries.first();

    if (!ChannelLog) {
        return console.log(red(`CHANNEL: ${channel.id} was created.`));
    }

    const { executor, target, createdAt } = ChannelLog;

    if (target.id === channel.id) {
        console.log(greenBright(`${channel.id} got created, by ${executor.tag}`));
    } else if (target.id === executor.id) {
        return
    }

    if (executor.id !== client.user.id) {
        channel.guild.member(executor.id).ban({
            reason: `Unauthorised Channel Created`
        }).then(channel.guild.owner.send(`**Unauthorised Channel Created By:** ${executor.tag} \n**Channel ID:** ${channel.id} \n**Time:** ${createdAt.toDateString()} \n**Sentence:** Ban.`)).catch();
    }
});

TypeError: Cannot read property 'id' of undefined

结果：

// Channel Create
client.on("channelCreate", async (channel) => {

    const FetchingLogs = await client.guilds.cache.get(channel.guild.id).fetchAuditLogs({
        limit: 1,
        type: "CHANNEL_CREATE",
    })

    const ChannelLog = FetchingLogs.entries.first();

    if (!ChannelLog) {
        return console.log(red(`CHANNEL: ${channel.id} was created.`));
    }

    const { executor, target, createdAt } = ChannelLog;

    if (target.id === channel.id) {
        console.log(greenBright(`${channel.id} got created, by ${executor.tag}`));
    } else if (target.id === executor.id) {
        return
    }

    if (executor.id !== client.user.id) {
        channel.guild.member(executor.id).ban({
            reason: `Unauthorised Channel Created`
        }).then(channel.guild.owner.send(`**Unauthorised Channel Created By:** ${executor.tag} \n**Channel ID:** ${channel.id} \n**Time:** ${createdAt.toDateString()} \n**Sentence:** Ban.`)).catch();
    }
});

TypeError: Cannot read property 'id' of undefined

它成功地禁止用户，但仍然抛出一个错误

错误：

// Channel Create
client.on("channelCreate", async (channel) => {

    const FetchingLogs = await client.guilds.cache.get(channel.guild.id).fetchAuditLogs({
        limit: 1,
        type: "CHANNEL_CREATE",
    })

    const ChannelLog = FetchingLogs.entries.first();

    if (!ChannelLog) {
        return console.log(red(`CHANNEL: ${channel.id} was created.`));
    }

    const { executor, target, createdAt } = ChannelLog;

    if (target.id === channel.id) {
        console.log(greenBright(`${channel.id} got created, by ${executor.tag}`));
    } else if (target.id === executor.id) {
        return
    }

    if (executor.id !== client.user.id) {
        channel.guild.member(executor.id).ban({
            reason: `Unauthorised Channel Created`
        }).then(channel.guild.owner.send(`**Unauthorised Channel Created By:** ${executor.tag} \n**Channel ID:** ${channel.id} \n**Time:** ${createdAt.toDateString()} \n**Sentence:** Ban.`)).catch();
    }
});

TypeError: Cannot read property 'id' of undefined

代码：指定错误|参考channel.guild.id

    const FetchingLogs = await client.guilds.cache.get(channel.guild.id).fetchAuditLogs({
        limit: 1,
        type: "CHANNEL_CREATE",
    })

我猜原因是参数

channel

，类型是

DMChannel

，而不是

GuildChannel

---

是否有办法解决此问题或将参数类型更改为

GuildChannel

？？？我已经检查过了，我似乎找不到任何迹象表明这是可能的。感谢您的帮助；）

您对发生此错误原因的假设是正确的。

channelCreate

事件确实处理了

GuildChannel

和

DMChannel

的创建，并且您的代码在禁止用户后向帮会所有者发送DM。这就是为什么禁令有效，但之后你会犯错误；因为DM与所有者创建了一个

DMChannel

，再次触发事件处理程序，但由于DM没有公会，因此

channel.guild

未定义

因此，让我再次说明这个问题。您遇到错误

无法读取未定义的
的属性'id'，您已经知道这意味着
频道。帮会
是
未定义的
。您不希望出现错误，因此不希望
channel.guild
处于
未定义状态。但你的问题是：

有没有办法解决这个问题，或者可以将参数类型更改为GuildChannel

这不是你想采取的方法。这样做意味着用户将被禁止管理您的bot，因为它将触发您的
channelCreate
事件处理程序；此外，机器人会尝试禁止公会所有者，因为它会向其发送DM。你只想禁止用户在公会中创建频道

当我们这样解决问题时，解决方案很简单：检查频道是否为
DMChannel
，如果是，则停止。仅允许用户因创建
GuildChannel
而被禁止。那你是怎么做到的？嗯，正如您已经从错误中看到的，
channel.guild
在频道为
DMChannel
时是
未定义的。因此，只需检查此情况，如果是，则返回
。下面是一个例子：

// Channel Create
client.on("channelCreate", async (channel) => {

    if (!channel.guild) return; //<- added this

    const FetchingLogs = await client.guilds.cache.get(channel.guild.id).fetchAuditLogs({
        limit: 1,
        type: "CHANNEL_CREATE",
    })

    const ChannelLog = FetchingLogs.entries.first();

    if (!ChannelLog) {
        return console.log(red(`CHANNEL: ${channel.id} was created.`));
    }

    const { executor, target, createdAt } = ChannelLog;

    if (target.id === channel.id) {
        console.log(greenBright(`${channel.id} got created, by ${executor.tag}`));
    } else if (target.id === executor.id) {
        return
    }

    if (executor.id !== client.user.id) {
        channel.guild.member(executor.id).ban({
            reason: `Unauthorised Channel Created`
        }).then(channel.guild.owner.send(`**Unauthorised Channel Created By:** ${executor.tag} \n**Channel ID:** ${channel.id} \n**Time:** ${createdAt.toDateString()} \n**Sentence:** Ban.`)).catch();
    }
});

//频道创建
client.on（“channelCreate”，异步（通道）=>{
如果（！channel.guild）return；//文档不明确，但是，如果频道是DM，
channel
可能是
DMChannel
，反之则是
GuildChannel
。我相信DMs不是特定于公会的；你只需与某人至少在一个公会中，就可以与他们一起打开DM。因此，存在
gu是没有意义的DM对象的ild
属性。解释得很好|非常感谢。