requiredWithoutAny

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

const rules = {
  email: 'required_without_any:username,account_id'
}

// or
const rules = {
  email: [
    rule('required_without_any', ['username', 'account_id'])
  ]
}

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

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