如何在车把中导出异步功能？

Question

我正尝试在我的网站上使用discord api，但是在车把文件中使用acyno函数的最干净的方法是什么？ 我要导出的代码：

passport.use(new DiscordStrategy({
    clientID: '',
    clientSecret: '',
    callbackURL: 'http://localhost:3000/app/discord/callback',
    scope: scopes
}, async function(accessToken, refreshToken, profile, cb) {
    try {
        // First check if a user with the same email exists
        let user = await User.findOne({ email: profile.email })
        // Check if a user with the same discord ID exists
        if (!user) user = await User.findOne({ discordId: profile.id })
       console.log(`Avatar : ${profile.avatar} \nUsername: ${profile.username}\nID: ${profile.id}`)
        if (user) {
            // A user was found
            if (user.discordId !== profile.id) {
                // Store the discord ID in the database
                user.discordId = profile.id
                await user.save()
            }

            return cb(null, user)
        } else {
            // No user found, create one
            const newUser = new User({
                name: profile.username,
               discordId: profile.id
            })
            // No need for a password
            await newUser.save()

            return cb(null, newUser)
        }    
    } catch (err) {
        console.log(err)
        return cb(err)
    }
}));

我需要将其导出以使用profile对象中的数据