ajv-formats-strong-password/dist/index.mjs

Easy way to add configurable strong password format to ajv to use in schema validations

// src/addStrongPasswordFormat.ts
var defaultUpperCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var defaultLowerCharacters = "abcdefghijklmnopqrstuvwxyz";
var defaultDigitCharacters = "0123456789";
var defaultSpecialCharacters = " !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
var countCharacters = (str, characters) => {
  let count = 0;
  for (let i = 0; i < str.length; i++) {
    if (characters.includes(str[i])) {
      count++;
    }
  }
  return count;
};
var generatePasswordStrengthValidator = ({
  minUpper = 0,
  minLower = 0,
  minDigit = 0,
  minSpecial = 0,
  minLength = 0,
  upperCharacters = defaultUpperCharacters,
  lowerCharacters = defaultLowerCharacters,
  digitCharacters = defaultDigitCharacters,
  specialCharacters = defaultSpecialCharacters
} = {}) => {
  return (password) => {
    const effectiveMinLength = Math.max(
      minUpper + minSpecial + minDigit + minLower,
      minLength
    );
    const hasMinUpper = countCharacters(password, upperCharacters) >= minUpper;
    const hasMinLower = countCharacters(password, lowerCharacters) >= minLower;
    const hasMinDigit = countCharacters(password, digitCharacters) >= minDigit;
    const hasMinSpecial = countCharacters(password, specialCharacters) >= minSpecial;
    const hasMinLength = password.length >= effectiveMinLength;
    const isStrongPassword = hasMinUpper && hasMinLower && hasMinDigit && hasMinSpecial && hasMinLength;
    return isStrongPassword;
  };
};
var addStrongPasswordFormat = ({
  ajvInstance,
  passwordCriteria
}) => {
  const generatedPasswordStrengthValidator = generatePasswordStrengthValidator(passwordCriteria);
  ajvInstance.addFormat("strong-password", {
    type: "string",
    validate: (x) => generatedPasswordStrengthValidator(x)
  });
};

// src/index.ts
var src_default = addStrongPasswordFormat;
export {
  src_default as default,
  defaultDigitCharacters,
  defaultLowerCharacters,
  defaultSpecialCharacters,
  defaultUpperCharacters,
  generatePasswordStrengthValidator
};
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