randomutils.js

randomutils.js is a utility module for generating random strings, numbers, and bytes in Node.js. It provides various functions for creating random values based on specific patterns or lengths.

Installation

Use the following command to install randomutils.js via npm:

npm install randomutils.js

Usage

Import the module and use its exported functions as needed:

const randomUtils = require('randomutils.js');

// Generate a random string based on the specified pattern
const randomString = randomUtils.getRandomStr('?u?l?d');
console.log(randomString);

// Generate a random integer within the specified range (inclusive)
const randomNumber = randomUtils.randNumInRange(1, 100);
console.log(randomNumber);

// Generate a random hexadecimal string of the specified length
const randomHex = randomUtils.getRandHex(6);
console.log(randomHex);

// Generate a random Buffer containing the specified number of bytes
const randomBytes = randomUtils.getRandBytes(4);
console.log(randomBytes);

// Generate a random integer with the specified number of digits
const randomInt = randomUtils.getRandInt(3);
console.log(randomInt);

API

getRandomStr(pattern)

Generates a random string based on the specified pattern. The pattern can contain '?' followed by a character (d, l, or u) to represent a random digit, lowercase letter, or uppercase letter, respectively.

• pattern: String - A pattern for generating the random string.

randNumInRange(min, max)

Generates a random integer within the specified range (inclusive).

• min: Number - The lower bound of the range (inclusive).
• max: Number - The upper bound of the range (inclusive).

getRandHex(length)

Generates a random hexadecimal string of the specified length.

• length: Number - The desired length of the hexadecimal string.

getRandBytes(length)

Generates a random Buffer containing the specified number of bytes.

• length: Number - The desired number of bytes in the Buffer.

getRandInt(length)

Generates a random integer with the specified number of digits.

• length: Number - The desired number of digits in the integer.

License

MIT License

Contributing

Pull requests and suggestions are welcome! If you find any issues, please report them via GitHub issues.