Mongoose

module.exports = mongoose.model( "User", {
    username : {
        type : String,
        default: "",
        unique: true
    },
    password : {
        type : String,
        default: ""
    },
    firstName: {
        type : String,
        default: ""
    },
    lastName : {
        type : String,
        default: ""
    },
    email    : {
        type : String,
        default: "",
        validate: isValidEmail,
        unique: true
    }
} );