randomid/randomid.js

Generate random password or uniqid with length customization

/*
 * RandomID generator
 * Version 1.1
 * Author: Michael Vieira aka Themimitoof
 * GitHub page: https://github.com/themimitoof/node-randomid
 *
 */

function randomIntInc (low, high) {
    return Math.floor(Math.random() * (high - low + 1) + low);
}

module.exports = function(chars = 8) {
	var key = Array()

	var char = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'k', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9']

	// First character
	key[0] = randomIntInc(0, char.length - 1)

	var result = char[key[0]]

	// Lasts characters
	for(var i = 1; i < chars; i++) {
		key[i] = randomIntInc(0, char.length - 1)

		result += char[key[i]]
	}

	return result;
}