@karibash/password-generator/index.js

A simple password generation helper function.

import { __spreadArray } from "tslib";
export var alphabetLowercase = 'abcdefghijklmnopqrstuvwxyz';
export var alphabetUppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
export var digits = '0123456789';
export var sign = '-._~+/';
var choice = function (chars) {
    return chars[Math.floor(Math.random() * chars.length)];
};
var shuffle = function (chars) {
    return chars.split('').sort(function () { return 0.5 - Math.random(); }).join('');
};
var hash = function (size, charSet) {
    if (size <= 0)
        return '';
    var chars = charSet
        .map(function (chars) {
        var count = Math.ceil(Math.random() * (size / charSet.length));
        return __spreadArray([], Array(count), true).map(function () { return choice(chars); }).join('');
    })
        .join('');
    return chars + hash(size - chars.length, charSet);
};
var password = function (size, charSet) {
    if (charSet === void 0) { charSet = [
        alphabetLowercase,
        alphabetUppercase,
        digits,
        sign,
    ]; }
    if (size < charSet.length)
        console.warn('A value smaller than charSet.length is specified for the size argument.');
    return shuffle(hash(size, charSet)).substr(0, size);
};
export default password;
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