instagram_unfollow.js

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

// async function getAsyncSubelementsByXpath(path, el) {
//   const snapshot = document.evaluate(path, el, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
//   while (node = result.iterateNext()) {
//     yield node;
//   }
//   // return document.evaluate(path, el, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
// }

function getSubelementsByXpath(path, el) {
  el = typeof el !== 'undefined' ? el : document;
  const snapshot = document.evaluate(path, el, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
  let res = [];
  // while (node = snapshot.iterateNext()) {
  //   res.push(node);
  // }
  for (let i = 0, len = snapshot.snapshotLength ; i < len ; i++){
    res.push(snapshot.snapshotItem(i));
  }
  return res;
}

function getFirstSubelementByXpath(path, el) {
  el = typeof el !== 'undefined' ? el : document;
  const snapshot = document.evaluate(path, el, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
  return snapshot.singleNodeValue;
}


async function test() {
  console.log(new Date())
  await sleep(2000);
  // [1,2,3,4,5].forEach((i)=>{
  //   console.log('start:', new Date(), i);
  //   await sleep(2000);
  //   console.log('end:', new Date(), i);
  // })
  // Uncaught SyntaxError: await is only valid in async function
  for (let i = 0; i < 5; i++) {
    console.log('start:', new Date(), i);
    await sleep(2000);
    console.log('end:', new Date(), i);
  }
}


let item;
// let XX = $x;
let XX = getFirstSubelementByXpath;
let XXs = getSubelementsByXpath;
let Q = $;
async function unsubscribe(){

  var exclude = ['captain_os', 'aleksandr.aksarin', 'rimetmn', 'electronics_workshop', 'vitylio', 'olgakishenya', 'i.am.urfin', 'dead_monarch'];
  var lilist = XXs('div/ul/div/li', XX("//div[div/div/h1/div[contains(.,'Ваши подписки')]]"));
  var scrolldiv = XX('div[2]', XX("//div[div/div/h1/div[contains(.,'Ваши подписки')]]"));
  // lilist.forEach((item, indx, all) => {
  for (let i = 0; i < lilist.length ; i++){

    item = lilist[i];

    console.log('scroll to item', item.offsetTop);
    scrolldiv.scroll(0, item.offsetTop)
    await sleep(500);

    // if (indx > 100) return;
    // XX('div/div[1]/div[2]/div[1]/a', item)[0]
    let links = XXs('.//a[not(img)]', item);
    // иногда аватарка кликабельна

    if (exclude.indexOf(links[links.length - 1].innerText) != -1) {
      continue
    }

    let time_to_sleep = 15 * 60 * 1000 + 1000 * Math.random();
    console.log('sleep ' + time_to_sleep + 'ms starting');
    await sleep(time_to_sleep);
    console.log('sleep ' + time_to_sleep + 'ms ended');

    // console.log(item)
    var button = XX("div/div/button[contains(.,'Подписки')]", item);
    if (typeof button == 'undefined' || !button) {
      console.log(item)
      continue
    }

    // console.log('scroll to button', button.offsetTop);
    // scrolldiv.scroll(0, button.offsetTop) // всегда 4
    console.log('sleep 1000ms');
    await sleep(1000);
    button.click()
    console.log('sleep 1000ms');
    await sleep(1000);
    let unsubscrib_button = XX("//button[contains(., 'Отменить подписку')]")
    if (typeof unsubscrib_button == 'undefined' || !unsubscrib_button){
      console.log(item)
      continue
    }
    unsubscrib_button.click()
  }
}

unsubscribe()