Validation Provider for Phone AdonisJS extending Validator

PhoneValidator.js

const { ServiceProvider } = require('@adonisjs/fold')

class PhoneProvider extends ServiceProvider {

  async phone(data, field, message, args, get){
    const value = get(data, field);

    if (!value) {
      return
    }

    let number = value;
    let result = number.match(/^(\(?\+?[0-9]*\)?)?[0-9_\- \(\)]*$/);

    if (!result) {
      throw message
    }
  };

  /**
   * Attach context getter when all providers have
   * been registered
   *
   * @method boot
   *
   * @return {void}
   */
  boot () {
    const Validator = use('Validator');
    Validator.extend('phone', this.phone.bind(this), 'error in phone validation');
    //
  }
}

module.exports = PhoneProvider;