@applitools/req/dist/dns-cache.js

Applitools fetch-based request library

import { promises as dns } from 'dns';
import * as utils from '@applitools/utils';
const dnsCache = {};
export async function lookup(hostname, options, callback) {
    try {
        if (!dnsCache[hostname]) {
            dnsCache[hostname] = await dns.lookup(hostname, options);
            // Note: leaving the console logs commented out here on purpose since currently this is the only way to test it
            // console.log('dns cache MISS', hostname, dnsCache[hostname])
            // } else {
            //   console.log('dns cache HIT', hostname, dnsCache[hostname])
        }
        const result = dnsCache[hostname];
        const addresses = utils.types.isArray(result) ? result : [result];
        if (options.all)
            callback(null, addresses);
        else
            callback(null, addresses[0].address, addresses[0].family);
    }
    catch (error) {
        callback(error, '', 0);
    }
}
export const lookupWithCache = lookup;