Table of Contents

Import

import random from 'https://uno.js.org/lib/math/random.js';

and compresed version

import random from 'https://uno.js.org/lib/math/random.min.js';

Code

The raw code of the function is available here:

import randomBytes from './randomBytes.js';

/**
 * Generates a cryptographically secure random integer in the range [min, max).
 * @param {number} min the minimum value, inclusive.
 * @param {number} max the maximum value, exclusive.
 * @returns {number} The random integer.
 * @example
 * randomInt(1, 10); // => 4
 * @author theatom06
 */
export default function randomInt(min, max) {
    const range = max - min;
    if (range <= 0) {
        throw new Error('The max value must be greater than the min value.');
    }

    const randomBytes = randomBytes(4);
    const randomInt = new DataView(randomBytes.buffer).getUint32(0, true);
    return min + (randomInt % range);
}

Parameters

• min - the minimum value, inclusive.
• max - the maximum value, exclusive.

Returns

• number - The random integer.

Examples

randomInt(1, 10); // => 4