unique-login-credential/dist/index.js

A package for generating unique passwords and usernames.

// index.ts
var smallAlphabets = "abcdefghijklmnopqrstuvwxyz".split("");
var capitalAlphabets = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("");
var numbers = "1234567890".split("");
var specialCharacters = ["!", "@", "#", "$", "_", "*"];
var refrenceObj = {
  capitalAlphabet: capitalAlphabets,
  smallAlphabet: smallAlphabets,
  number: numbers,
  specialCharacter: specialCharacters
};
var getFilledArray = (element, count) => {
  if (count < 1) {
    throw new Error("Invalid element count: element count is less than 1");
  }
  return new Array(count).fill(element);
};
var defaultPasswordOptions = {
  length: 8,
  capitalLetter: 1,
  smallLetter: 3,
  number: 2,
  specialCharacter: 2,
  random: false
};
var defaultUsernameOptions = {
  prefix: "",
  length: 6,
  capitalLetter: 1,
  smallLetter: 3,
  number: 2,
  specialCharacter: 0,
  random: false
};
var uniquePassword = (options = {}) => {
  const finalOptions = { ...defaultPasswordOptions, ...options };
  const {
    length,
    capitalLetter,
    smallLetter,
    number,
    specialCharacter,
    random
  } = finalOptions;
  const totalRequested = capitalLetter + smallLetter + number + specialCharacter;
  if (totalRequested > length) {
    throw new Error(
      "Invalid password length: Total character count exceeds the password length."
    );
  }
  let choice = [];
  if (capitalLetter > 0) {
    choice.push(...getFilledArray("capitalAlphabet", capitalLetter));
  }
  if (smallLetter > 0) {
    choice.push(...getFilledArray("smallAlphabet", smallLetter));
  }
  if (number > 0) {
    choice.push(...getFilledArray("number", number));
  }
  if (specialCharacter > 0) {
    choice.push(...getFilledArray("specialCharacter", specialCharacter));
  }
  while (choice.length < length) {
    const types = [
      "capitalAlphabet",
      "smallAlphabet",
      "number",
      "specialCharacter"
    ];
    choice.push(types[Math.floor(Math.random() * types.length)]);
  }
  if (random) {
    choice = choice.sort(() => 0.5 - Math.random());
  }
  let password = "";
  choice.forEach((type) => {
    const ch = refrenceObj[type][Math.floor(Math.random() * refrenceObj[type].length)];
    if (ch !== void 0) password += ch;
  });
  return password;
};
var uniqueUsername = (options = {}) => {
  const finalOptions = { ...defaultUsernameOptions, ...options };
  const {
    prefix,
    length,
    capitalLetter,
    smallLetter,
    number,
    specialCharacter,
    random
  } = finalOptions;
  const totalRequested = capitalLetter + smallLetter + number + specialCharacter + prefix.length;
  if (totalRequested > length) {
    throw new Error(
      "Invalid username length: Total character count exceeds the username length."
    );
  }
  let choice = [];
  let username = prefix;
  if (capitalLetter > 0) {
    choice.push(...getFilledArray("capitalAlphabet", capitalLetter));
  }
  if (smallLetter > 0) {
    choice.push(...getFilledArray("smallAlphabet", smallLetter));
  }
  if (number > 0) {
    choice.push(...getFilledArray("number", number));
  }
  if (specialCharacter > 0) {
    choice.push(...getFilledArray("specialCharacter", specialCharacter));
  }
  while (choice.length < length - prefix.length) {
    const types = [
      "capitalAlphabet",
      "smallAlphabet",
      "number",
      "specialCharacter"
    ];
    choice.push(types[Math.floor(Math.random() * types.length)]);
  }
  if (random) {
    choice = choice.sort(() => 0.5 - Math.random());
  }
  choice.forEach((type) => {
    const ch = refrenceObj[type][Math.floor(Math.random() * refrenceObj[type].length)];
    if (ch !== void 0) username += ch;
  });
  return username;
};
export {
  uniquePassword,
  uniqueUsername
};
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