generateRandomString()

Generates a random string of given length using the provided characters (alphabet). Uses cryptographically strong random values.

Definition

function generateRandomString(random: RandomReader, alphabet: string, length: number): string;

Parameters

• random
• alphabet: A string with all possible characters

Example

import { generateRandomString } from "@oslojs/crypto/random";

import type { RandomReader } from "@oslojs/crypto/random";

const random: RandomReader = {
	read(bytes) {
		crypto.getRandomValues(bytes);
	}
};

const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
// 10-characters long string consisting of the upper case letters
const s = generateRandomString(random, alphabet, 10);