AutoIncrement using mongoose

const AutoIncrement = require('mongoose-sequence')(mongoose)

interface userTracks extends IUserTrack, mongoose.Document {}

const userModel = new mongoose.Schema(
  {
    fullName: {
      type: String,
      unique: false,
      lowercase: true
    },
    email: {
      type: String,
      unique: true,
      lowercase: true
    },
    phone: {
      type: String
    },
    country: {
      type: String,
      unique: false,
      lowercase: true
    }
  },
  { timestamps: true }
)

userModel.plugin(AutoIncrement, { inc_field: 'ticketNo', start_seq: 1000 })

export default mongoose.model<userTracks>('users', userModel)