Remove demos from STEAM account

remove-demos.js

(function () {
  if (!location.href.startsWith('https://store.steampowered.com/account/licenses')) {
    alert('Please run this on Steam\'s account licenses page.');
    return;
  }

  let toDelete = [];

  [...document.querySelectorAll('tr td:nth-child(2)')].forEach((element) => {
    const match = element.innerHTML.match(/( Demo)\W+/gi);
    if (match) {
      const id = element.innerHTML.match(/javascript:RemoveFreeLicense\( ([0-9]+), '/);
      if (id) {
        toDelete.push(id[1])
      }
    }
  });
  console.log('toDelete: ', toDelete);

  let loaded = 0;

  let sendFetch = (id) => {
    fetch("https://store.steampowered.com/account/removelicense", {
      "headers": {
        "accept": "*/*",
        "accept-language": "pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7",
        "content-type": "application/x-www-form-urlencoded; charset=UTF-8",
        "sec-fetch-dest": "empty",
        "sec-fetch-mode": "cors",
        "sec-fetch-site": "same-origin",
        "x-requested-with": "XMLHttpRequest"
      },
      "referrer": "https://store.steampowered.com/account/licenses/",
      "referrerPolicy": "no-referrer-when-downgrade",
      "body": "sessionid=" + window.g_sessionID + "&packageid=" + id,
      "method": "POST",
      "mode": "cors",
      "credentials": "include"
    }).then(function(response) {
      console.log('response: ', response);
      return response
    }).then(function() {
      requestNext();
    });
  };

  let requestNext = () => {
    if (loaded < toDelete.length) {
      const element = toDelete[loaded];
      console.log('element: ', element);
      loaded++
      sendFetch(element);
    }
  }

  requestNext()
})()