VK get feed sources you subscribed to

script.js

// This is a script to get links from feed sources modal.
// How to use:
// 1. Go to your feed: https://vk.com/feed
// 2. Open the + button, list of feeds appears;
// 3. Do not add new source, select existing one;
// 4. Open the modal with sources you SUBSCRIBED to;
// 5. Apply this script in the browser's console;
// 6. It outputs a JSON you can copy.

const config = {
  timeToLoad: 500,
  timeToUnload: 250,
  zeroResultLimit: 5,
};

/**
 * @type {Array<{title: string; link: string}>}
 */
const linksList = new Array();
let zeroResultCounter = 0;

// HERE WE GO

if (document.querySelector(".privacy_olist")) {
  const timer = setInterval(async () => {
    await work();
    if (zeroResultCounter >= config.zeroResultLimit) {
      clearInterval(timer);
      console.dir(Array.from(linksList));
    }
  }, config.timeToLoad + zeroResultCounter * config.timeToUnload);
} else {
  console.error("No links found");
  alert("No links found");
}

// THESE ARE THE FUNCTIONS

async function work() {
  let delta = linksList.length;
  const links = await getLinks();
  extractDataFromLinks(links).forEach(
    /**
     *
     * @param {{title: string; link: string}} link
     */
    (link) => {
      if (
        linksList.findIndex(
          /**
           *
           * @param {{title: string; link: string}} el
           * @returns
           */
          (el) => el.link === link.link
        ) === -1
      ) {
        linksList.push(link);
      }
    }
  );
  delta = linksList.length - delta;
  if (delta === 0) {
    zeroResultCounter++;
  } else {
    zeroResultCounter = 0;
  }

  document.querySelector(".privacy_olist").scrollTo(0, 999999);
  sleep(config.timeToLoad);
}

async function getLinks() {
  const links = document.querySelectorAll(`.privacy_olist .olist > a[href]`);
  const linksArr = Array.from(links);
  console.log(`Found ${linksArr.length} links, proceed to process...`);
  return linksArr;
}

/**
 *
 * @param {HTMLElement[]} links
 * @returns {string[]}
 */
function extractDataFromLinks(links) {
  return links.map((link) => {
    const data = {
      title: getLinkTitle(link),
      link: getLink(link),
    };

    return data;
  });
}

/**
 *
 * @param {HTMLElement} link
 * @returns {string}
 */
function getLinkTitle(link) {
  return link.querySelector(`.olist_item_name`)?.innerText ?? "Название";
}

/**
 *
 * @param {HTMLElement} link
 * @returns {string}
 */
function getLink(link) {
  const pageLink = link.getAttribute(`href`);

  return `https://vk.com${pageLink || "id0"}`;
}

/**
 *
 * @param {number} ms
 * @returns Promise
 */
function sleep(ms) {
  return new Promise((r) => setTimeout(r, ms));
}