const checkRequiredThenValidate =
  (validator) => (props, propName, componentName, location) => {
    if (props[propName] != null) {
      return validator(props, propName, componentName, location);
    }

    return new Error(
      `Required prop \`${propName}\` was not specified in ` +
        `\`${componentName}\`.`
    );
  };

export default (validator) => {
  validator.isRequired = checkRequiredThenValidate(validator);
  return validator;
};