Discord.js - TypeError：无法读取未定义的属性（读取“设置”）

Question

这是在 main.js 中：

const { Client, Intents, DiscordAPIError } = require('discord.js');

const Discord = require('discord.js');

const client = new Discord.Client({ intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_MESSAGES] });

const prefix = 'js!';

const fs = require('fs');

client.command = new Discord.Collection();

fs.readdir("./commands/", (err, files) => {
    if(err) console.error(error)
    let jsfiles = files.filter(f => f.split(".").pop() === "js")
    if (jsfiles.length <= 0) {
      return console.log("No commands to log in FOLDER NAME")
    }
    console.log(`Loading ${jsfiles.length} commands from FOLDER NAME...`)
    jsfiles.forEach((f,i) => {
      let props = require(`./commands/${f}`)
      console.log(`${i + 1}: ${f} loaded!`)
      client.commands.set(f, props)
    })
  });

client.once('ready',() => {
    console.log('bot is on')
});

client.on('message', message =>{
    if(!message.content.startsWith(prefix) || message.author.bot) return;
    const args = message.content.slice(prefix.length).split(/ +/);
    const command = args.shift().toLowerCase();

    if(command === 'ping'){
        let cmd = client.commands.get(command+".js")
            if (cmd) cmd.run(bot, message, args, prefix)
    } 
});

client.login('Prefix')

这是在 ping.js 中：

const { Client, Intents, DiscordAPIError } = require('discord.js');

const Discord = require('discord.js')

const client = new Client({ intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_MESSAGES] });

module.exports.run = async (client, message, args, prefix) => {
    var ping = Date.now() - message.createdTimestamp + " ms";

    message.channel.send('Ma ping is' + ` ${Date.now() - message.createdTimestamp}` + 'ms')
};
module.exports.help = {
  name: "ping",
  usage: "Ping Command",
};

但如果我在终端中使用命令node . 运行 main.js，我会收到此错误：

Loading 1 commands from FOLDER NAME...
1: ping.js loaded!
/home/ender/Desktop/Projects & Stuff/Coding/Discord Bot (JS)/main.js:23
      client.commands.set(f, props)
                      ^

TypeError: Cannot read properties of undefined (reading 'set')
    at /home/ender/Desktop/Projects & Stuff/Coding/Discord Bot (JS)/main.js:23:23
    at Array.forEach (<anonymous>)
    at /home/ender/Desktop/Projects & Stuff/Coding/Discord Bot (JS)/main.js:20:13
    at FSReqCallback.oncomplete (node:fs:188:23)

我使用linux作为我的主要操作系统，我使用的node.js版本是v16.11.1，npm版本是8.0.0！

请帮忙，我最近开始使用 discord.js，因为我意识到 discord.py 已经死了，我需要帮助！

编辑一个 这就是我的文件的组织方式：picture 1

Answer 1

正如@MrMythical 指出的那样，唯一的问题是我在client.command = new Discord.Collection(); 行中忘记了一个“s”。在我最后加上一个“s”后，它工作正常——没有其他错误，所以这是我自己问题的答案！