requiredWithoutAll

Ensures the field is required when all of the other fields has empty values.

const rules = {
  zipcode: 'required_without_all:address,state'
}

// or
const rules = {
  zipcode: [
    rule('required_without_all', ['address', 'state'])
  ]
}

For customized build, you can import this rule as follows.

import { requiredWithoutAll } from 'indicative/builds/validations'