rpg-b/lib/check-options-error.js

Simple Random password generator

const checkError = (options) => {
    const {
      LENGTH,
      ALLOW_ALPHABETS_LOWERCASE,
      ALLOW_ALPHABETS_UPPERCASE,
      ALLOW_NUMBERS,
      ALLOW_SPECIAL_CHARACTERS,
      FIRST_CHARACTER_LOWERCASE,
      FIRST_CHARACTER_UPPERCASE,
      FIRST_CHARACTER_NUMBER,
      FIRST_CHARACTER_SPECIAL_CHARACTER,
      MIN_ALPHABETS_LOWERCASE,
      MIN_ALPHABETS_UPPERCASE,
      MIN_NUMBERS,
      MIN_SPECIAL_CHARACTERS,
      EXCEPTIONS,
    } = options;
  
    //Checking if the sum of minimum characters of Lowercase, uppercase, numbers and special case is greater than the total password length.
    if (
      MIN_ALPHABETS_LOWERCASE +
        MIN_ALPHABETS_UPPERCASE +
        MIN_NUMBERS +
        MIN_SPECIAL_CHARACTERS >
      LENGTH
    ) {
      throw new Error(
        "Sum of Minimum Characters in the passwords greater than the length of the Password to be generated."
      );
    }
  
    //Checking if lowercase, uppercase , numbers and special characters have all been set to false.
    if (
      ALLOW_ALPHABETS_LOWERCASE == false &&
      ALLOW_ALPHABETS_UPPERCASE == false &&
      ALLOW_NUMBERS == false &&
      ALLOW_SPECIAL_CHARACTERS == false
    ) {
      throw new Error(
        "Alphabets, Numbers and Passwords are all set to False. No valid Characters to generate the Password."
      );
    }
  
    //Checking if first character option has been set to true for more than one option.
    if (
      FIRST_CHARACTER_LOWERCASE +
        FIRST_CHARACTER_UPPERCASE +
        FIRST_CHARACTER_NUMBER +
        FIRST_CHARACTER_SPECIAL_CHARACTER >
      1
    ) {
      throw new Error(
        "Multiple First Character Option has been enabled. Change Option."
      );
    }
  };
  
  module.exports = checkError;