livr-extra-rules/src/rules/uuid.js

Extra rules for LIVR Validator

const util = require('../util');
const uuidRe = {
    v1: /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i,
    v2: /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i,
    v3: /^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i,
    v4: /^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,
    v5: /^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i
};

function uuid(version) {
    if (arguments.length == 1) {
        version = 'v4';
    }

    if (!['v1', 'v2', 'v3', 'v4', 'v5'].includes(version)) {
        throw new Error('LIVR: unsupported uuid version: ' + version);
    }

    return value => {
        if (util.isNoValue(value)) return;
        if (!util.isPrimitiveValue(value)) return 'FORMAT_ERROR';

        if (!uuidRe[version].test(value + '')) return 'NOT_UUID';
        return;
    };
}

module.exports = uuid;