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javascript - 记录用户存在未识别的 discord.js

问题描述

我有一个名为 Timer Bot 的机器人，我希望它在离线和重新在线时登录。我已启用 Presence Intent 并将其添加到我的客户端

Intents = Discord.Intents
const client = new Discord.Client({ws:{intents: [Intents.FLAGS.GUILD_PRESENCES]}});

当我运行这个脚本时 -

client.on('presenceUpdate', (oldPresence, newPresence) => {
    let member = newPresence.member;
    if (member.id === '603517534720753686') {
        if (oldPresence.status !== newPresence.status) {
            let channel = member.guild.channels.cache.get('788547135234375712');
            let text = "";
            if (newPresence.status === "online") {
                text = "**Hello @everyone, Timer Bot is now online! Thank you for your patience.**";
            } else if (newPresence.status === "offline") {
                text = "**@everyone Due to issues, Timer Bot is currently offline. We apologize for the inconvenience.**";
            }
            channel.send(text);
        }
    }
});

我的控制台显示 -

Logged in as Timer Bot Utilities#6525!
/home/runner/TimerUtilities/index.js:25
        if (oldPresence.status !== newPresence.status) {
                        ^

TypeError: Cannot read property 'status' of undefined
    at Client.<anonymous> (/home/runner/TimerUtilities/index.js:25:25)
    at Client.emit (events.js:315:20)
    at Client.EventEmitter.emit (domain.js:483:12)
    at PresenceUpdateAction.handle (/home/runner/TimerUtilities/node_modules/discord.js/src/client/actions/PresenceUpdate.js:39:19)
    at Object.module.exports [as PRESENCE_UPDATE] (/home/runner/TimerUtilities/node_modules/discord.js/src/client/websocket/handlers/PRESENCE_UPDATE.js:4:33)
    at WebSocketManager.handlePacket (/home/runner/TimerUtilities/node_modules/discord.js/src/client/websocket/WebSocketManager.js:384:31)
    at Immediate.<anonymous> (/home/runner/TimerUtilities/node_modules/discord.js/src/client/websocket/WebSocketManager.js:379:14)
    at processImmediate (internal/timers.js:456:21)

看起来 oldPresence 身份不明。有谁知道为什么？

谢谢，布赖恩

标签： javascriptdiscorddiscord.js

解决方案

因为oldPresence可能为 null，这就是 status 返回 undefined 的原因

if (oldPresence && oldPresence.status !== newPresence.status) {
...code
}

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