deadmanodoescode.js

const userSchema = new mongoose.Schema({
  password: {
    type: String,
    required: true,
    minlength: 6,
    maxlength: 128,

}, {
  timestamps: true,
})

userSchema.pre('save', async function save(next) {
  try {
    if (!this.isModified('password')) return next()

    const rounds = env === 'test' ? 1 : 10

    const hash = await bcrypt.hash(this.password, rounds)
    this.password = hash

    return next()
  } catch (error) {
    return next(error)
  }
})

userSchema.method({
  async passwordMatches(password) {
    return bcrypt.compare(password, this.password)
  },
})

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