getUuidShort.ts

/**
 * Get a random id with prefix, it not strictly guarantee id uniqueness
 * 
 * Note: the return value of getUuid is too long, we need a short one
 * 
 * @example
 * getUuidShort({ prefix: 'semi' }) => 'semi-46dinzc'
 * getUuidShort({ prefix: '' }) => '0eer2i0'
 * getUuidShort({ prefix: 'semi', length: 4 }) => 'semi-8jts'
 */
function getUuidShort({ prefix = '', length = 7 }: { prefix?: string; length?: number }) {
    const characters = '0123456789abcdefghijklmnopqrstuvwxyz';
    const total = characters.length;
    let randomId = '';
    for (let i = 0; i < length; i++) {
        const random = Math.floor(Math.random() * total);
        randomId += characters.charAt(random);
    }

    return prefix ? `${prefix}-${randomId}` : randomId;
}