Parte de un enrutador con Express

UserLogout.js

router.post('/users/me/logout', auth, async (req, res) => {
    try {
        req.user.tokens = req.user.tokens.filter((token) => {
            return token.token != req.token
        })
        await req.user.save()
        res.send()
    } catch (error) {
        res.status(500).send(error)
    }
})

router.post('/users/me/logoutall', auth, async(req, res) => {
    try {
        req.user.tokens.splice(0, req.user.tokens.length)
        await req.user.save()
        res.send()
    } catch (error) {
        res.status(500).send(error)
    }
})