client dereference error

const { Client, REST, Routes, Collection} = require('discord.js');

const fs = require('fs');

const config = require('./config.json');

const client = new Client({ intents: [32767] });
const token = config.token;

const commands = [];
const commandsPath = fs.readdirSync('./commands')
client.commands = new Collection();

client.once('ready', async () => {
        console.log('hi')
    }
)

client.on('interactionCreate', async interaction => {
    if (interaction.isChatInputCommand()) {
        const command = interaction.client.commands.get(interaction.commandName);

        if (!command) return console.log(`커맨드 없음!: ${interaction.commandName}`);

        try { await command.execute(interaction) }
        catch (err) { console.log(err) }
    } else if (interaction.isButton() || interaction.isStringSelectMenu()) {
        const event = require(`./interactions/${interaction.message.interaction.commandName}/${interaction.customId}`)
        if (interaction.componentType === 2 && event.type === "button") {
            try { await event.execute(interaction) }
            catch (err) { console.log(err) }
        } else if (interaction.componentType === 3 && event.type === "selectMenu") {
            try { await event.execute(interaction) }
            catch (err) { console.log(err) }
        }
    }
})

for (const file of commandsPath) {
    if (!file.endsWith('.js')) continue;

    const handler = require(`./commands/${file}`)

    if (!handler.data || !handler.execute) continue;

    commands.push(handler.data.toJSON());
    client.commands.set(handler.data.name, handler);
}

const rest = new REST().setToken(token);

(async () => {
    try {
        const data = await rest.put(
            Routes.applicationGuildCommands("1259900443073576970", "1050934994861821985"),
            { body: commands }
        )

        console.log(`${data.length}개의 명령어를 등록했습니다.`)
    } catch (err) {
        console.log(err)
    }
})();

client.login(token);

module.exports = { client };

const { Client, REST, Routes, Collection} = require('discord.js');

const fs = require('fs');

const config = require('./config.json');

const client = new Client({ intents: [32767] });
const token = config.token;

const commands = [];
const commandsPath = fs.readdirSync('./commands')
client.commands = new Collection();

client.once('ready', async () => {
        console.log('hi')
    }
)

client.on('interactionCreate', async interaction => {
    if (interaction.isChatInputCommand()) {
        const command = interaction.client.commands.get(interaction.commandName);

        if (!command) return console.log(`커맨드 없음!: ${interaction.commandName}`);

        try { await command.execute(interaction) }
        catch (err) { console.log(err) }
    } else if (interaction.isButton() || interaction.isStringSelectMenu()) {
        const event = require(`./interactions/${interaction.message.interaction.commandName}/${interaction.customId}`)
        if (interaction.componentType === 2 && event.type === "button") {
            try { await event.execute(interaction) }
            catch (err) { console.log(err) }
        } else if (interaction.componentType === 3 && event.type === "selectMenu") {
            try { await event.execute(interaction) }
            catch (err) { console.log(err) }
        }
    }
})

for (const file of commandsPath) {
    if (!file.endsWith('.js')) continue;

    const handler = require(`./commands/${file}`)

    if (!handler.data || !handler.execute) continue;

    commands.push(handler.data.toJSON());
    client.commands.set(handler.data.name, handler);
}

const rest = new REST().setToken(token);

(async () => {
    try {
        const data = await rest.put(
            Routes.applicationGuildCommands("1259900443073576970", "1050934994861821985"),
            { body: commands }
        )

        console.log(`${data.length}개의 명령어를 등록했습니다.`)
    } catch (err) {
        console.log(err)
    }
})();

client.login(token);

module.exports = { client };