randomize-unique/index.js

Random Interger, Random Float, Random Boolean, Random String or Password, Random Array, Unique Image Name, Random RGB-HEX-HSL Color Generator

exports.randomInteger = (min = 1, max = 100) => {
  return Math.floor(Math.random() * (max - min)) + min;
};

exports.randomFloat = (min = 1, max = 10000, fraction = 2) => {
  return (Math.random() * (max - min) + min).toFixed(fraction);
};

exports.randomBoolean = () => {
  return !Math.round(Math.random());
};

exports.randomString = (
  length = 8,
  isCapitalAllow = false,
  isNumberAllow = false,
  isSpecialCharAllow = false
) => {
  var result = "";
  var characters = "abcdefghijklmnopqrstuvwxyz";
  if (isCapitalAllow === true) {
    characters = characters + "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
  }

  if (isNumberAllow === true) {
    characters = characters + "0123456789";
  }

  if (isSpecialCharAllow === true) {
    characters = characters + "!@#$%&*";
  }
  charactersLength = characters.length;
  for (var i = 0; i < length; i++) {
    result += characters.charAt(Math.floor(Math.random() * charactersLength));
  }
  return result;
};

exports.randomArray = (length = 10) => {
  return Array.from({ length: length }, () =>
    Math.floor(Math.random() * length)
  );
};

exports.randomStringArray = (length = 5, minStringLength = 5, maxStringLength = 10, isSpaceAllow = true) => {
  var result = "";
  var characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

  if (isSpaceAllow === true) {
    characters = characters + "             ";
  }

  var charactersLength = characters.length;
  var lst = [];
  for (var i = 0; i < length; i++) {
    for (var j = 0; j < Math.floor(Math.random() * (maxStringLength - minStringLength)) + minStringLength; j++) {
      result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    lst.push(result);
    result = "";
  }
  return list;
};

exports.uniqueImageName = (prefix = "", suffix = "") => {
  var name = Date.now();
  if (prefix !== "") {
    name = prefix + name;
  }

  if (suffix !== "") {
    name = name + suffix;
  }
  return name;
};

exports.randomRGBColor = () => {
  return (
    "rgb(" +
    Math.floor(Math.random() * 256) +
    "," +
    Math.floor(Math.random() * 256) +
    "," +
    Math.floor(Math.random() * 256) +
    ")"
  );
};

exports.randomHEXColor = () => {
  return "#000000".replace(/0/g, function () {
    return (~~(Math.random() * 16)).toString(16);
  });
};

exports.randomHSLColor = () => {
  return (
    "hsl(" +
    Math.floor(Math.random() * 360) +
    "," +
    Math.floor(Math.random() * 100) +
    "%," +
    Math.floor(Math.random() * 100) +
    "%)"
  );
};