code: function capitalizeWords (str) {
    if (R.isNil(str)) {
      throw new Error('The "capitalizeWords" helper requires one argument.')
    }
  
    if (!R.is(String, str)) {
      str = str.toString();
    }
  
    return Capitalize.words(str);
  }
docs: Capitalize each word in a String. Works with punctuation and international
  characters.
  
  @since 0.4.0
  @param {String|*} str - String to capitalize. Other types will be converted.
  @return {String}
  @example:
  {{capitalizeWords "hello world"}} //=> "Hello World"
  {{capitalizeWords "hello-cañapolísas"}} //=> "Hello-Cañapolísas"
  {{capitalizeWords "it's a nice day"}} //=> "It's A Nice Day"