v8n

validation.js

export function isEmpty(test) {
  return test === null || test === undefined || test === '';
}

export function isNumber(test) {
  return test !== null && test !== undefined && typeof test === 'number';
}

export function isGreaterThanZero(test) {
  return !isEmpty(test) && isNumber(test) && test > 0; 
}

export function isEmail(test) {
  const emailRegex = /^(([^<>()\[\]\\.,;:\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,}))$/;
  return emailRegex.test(test);
}