Joi Condition Schema

joi_conditional_schema.js

const Joi = require('joi')


const main = () => {
  const VALID_TITLES = ["Mr.", "Mrs.", "Ms."]
  const ADDRESS_HOME = "Home"
  const ADDRESS_OFFICE = "Office"
  const VALID_ADDRESS_TYPES = [ADDRESS_HOME, ADDRESS_OFFICE]

  const digitalSchema = Joi.object().keys({
    payment_type: Joi.string().trim().required(),
    title: Joi.string().valid(VALID_TITLES).required(),
    first_name: Joi.string().trim().required(),
    email: Joi.string().email().required(),
    phone: Joi.string().required()
  })

  const nonDigitalSchema = digitalSchema.keys({
    addressType: Joi.string().valid(VALID_ADDRESS_TYPES).required(),
    city: Joi.string().trim().required()
  }).when(Joi.object({ addressType: Joi.equal(ADDRESS_HOME)}).unknown(), {
    then: digitalSchema.keys({
      addressHome: Joi.string().trim().required(),
      rt: Joi.string().trim().required(),
      rw: Joi.string().trim().required(),
      postalCodeHome: Joi.string().trim().required()
    }),
    otherwise: digitalSchema.keys({
      company: Joi.string().trim().required(),
      building: Joi.string().trim().required(),
      divisionOrFloor: Joi.string().trim().required(),
      addressOffice: Joi.string().trim().required(),
      postalCodeOffice: Joi.string().trim().required(),
    })
  })

  const testDigital = {
    payment_type: 'bank_transfer',
    title: 'Mr.',
    first_name: 'Aditya',
    email: '[email protected]',
    phone: '085716114422'
  }

  const testHome = {
    payment_type: 'bank_transfer',
    title: 'Mr.',
    first_name: 'Aditya',
    email: '[email protected]',
    phone: '085716114422',
    addressType: 'Home',
    city: 'Bekasi',
    addressHome: 'Jl. S. Parman',
    rt: '01',
    rw: '02',
    postalCodeHome: '17171'
  }

  const testOffice = {
    payment_type: 'bank_transfer',
    title: 'Mr.',
    first_name: 'Aditya',
    email: '[email protected]',
    phone: '085716114422',
    addressType: 'Office',
    city: 'Bekasi',
    company: 'TADA',
    building: 'Kuningan',
    divisionOrFloor: '5L',
    addressOffice: 'Sudirman',
    postalCodeOffice: '18367'
  }

  console.log('Test result: ', Joi.validate(testDigital, digitalSchema))
  console.log('Test result: ', Joi.validate(testHome, nonDigitalSchema))
  console.log('Test result: ', Joi.validate(testOffice, nonDigitalSchema))
}

// run by execute node joi_conditional_schema on console
main()