npm install code-random
yarn add code-random
const getRandomCode = require('code-random');
const lettersCode = getRandomCode(6, { letters: true }); // arovup
const absoluteRandomCode = getRandomCode(16,
{ letters: true, digits: true, symbols: true },
true,
); // W$+mj4^/@ri%Z48v
/**
* type PatternConfig = {
* letters?: boolean;
* digits?: boolean;
* symbols?: boolean;
* }
// getRandomCode(length: number, config: PatternConfig, uppercase: boolean)