Create A Forget password link for one time and expire in 10 minutes in nodeJS

const mongoose = require("mongoose")

const userSchema = new mongoose.Schema({
    name:{
        type:String,
        required:true,
        trim:true
    },
        email:{
                type:String,
                required:true
        },
    otp:{
        type:Number,
        expires:'10m',
                index:true
    },
    imageUrl:{
        type:String,
        default:'avatar.png'
    }
})

module.exports = mongoose.model('User',userSchema)

module.exports.forgetPassword =async (req,res,next)=>{
     try{

    const {email} = req.body

        User.findOne({email}).exec(function(err,user){
                if(err) throw err;
                if(!user){
                    res.json({"error":"User not 
                                      found"})
                }
                else{
                let otp=Math.random().toString(5);
                              user=await User.findOneAndUpdate({
                                   _id:user._id},
                               {$set :{otp}},{new:true});    
     const  {_id,email} = user;
     let  token=jwt.sign({_id,email,tokenId:uuidv4()},"SECRET_TOKEN",{expiresIn: '10m' });
     let url=HOST_URL+token;
     await sendMail(email,"forget password link",url,`your otp is ${user.otp}`);                 
     res.status(200).send({message:"send link to your mail"});


        }
    }
   }catch(err){
    next(err)
  }
}

module.exports.verifyOtp =async (req,res,next)=>{

   try{
        //email get from token
         const {email,otp}=req.body;
        User.findOne({email,otp}).exec(function(err,user){
                if(err) throw err
                if(!user){
                    res.json({"error":"Link is Expired"})
                }
                else{
await User.updateOne({_id:user._id},{$set:{otp:null}});
                            const token=jwt.sign({_id:user._id,tokenId:uuidv4()},"SECRET_TOKEN")
                            res.header("token",token).json({message:"otp verification success"})

        }
    }
    }catch(err){
    next(err)
  }
}