test.js

const cheerio = require('cheerio');
const google = require('google');
const request = require('superagent');
const util = require('util');

const misconfiguredCORS = require('./plugins/misconfiguredCORS');

google.resultsPerPage = 100;
const g = util.promisify(google);

async function fetchURLsFromGoogle(q) {
    const { links } = await g(q);
    return links
        .filter(link => link.link)
        .map(link => link.link);
}

function* createGenerator(urls, plugin, ...args) {
    let currIndex = 0;
    while(true) {
        if(currIndex >= urls.length)
            return { done: true };
        yield plugin(urls[currIndex++], ...args);
    }
}

async function main(q) {
    const urls = await fetchURLsFromGoogle(q);
    const headers = await createGenerator(urls, misconfiguredCORS, 'lol.com');
    const results = await Promise.all(headers);
    return results.filter(result=>result);
}

main(process.argv[2])
    .then(results=>console.log(results))
    .then(() => process.exit()) // Required otherwise shit hangs
    .catch(err => console.error(err));