Refactoring #0

validations-0.js

const handleValidations = inputs => {
  const { name, email, birthday } = inputs;
  const required = ['name', 'email', 'address', 'state', 'country', 'birthday'];

  let errors = {};

  for (let i = 0; i < required.length; i += 1) {
    const val = required[i];

    if (inputs[val].length < 1) {
      errors[required[i]] = `${val} is required.`;
    }
  }

  if (!errors.email) {
    const regex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;

    if (!regex.test(String(email).toLowerCase())) {
      errors.email = 'Invalid email';
    }
  }

  if (!errors.name) {
    if (!name.match(/^[a-zA-Z_ ]+$/)) {
      errors.name = 'Invalid name';
    }
  }

  if (!errors.birthday) {
    const date = new Date(birthday);
    const today = new Date();

    if (
      !date ||
      birthday.length < 10 ||
      date.getFullYear() > today.getFullYear() ||
      date.getFullYear() < today.getFullYear() - 100
    ) {
      errors.birthday = 'Invalid birthday';
    }
  }

  return errors;
};