hide-giphies.js

var timeout;

var observer = new MutationObserver(function(mutations) {
  mutations.forEach(function(mutation) {
    if (mutation.addedNodes.length !== 0) hideGiphies();
  });
});

function hideGiphies() {
  if (!document.body.classList.contains('loading')) {
    var giphies = document.querySelectorAll('div[data-real-src*="giphy.com"]');
    for (var i = 0; i < giphies.length; i++) {
      giphies[i].parentElement.parentElement.style.display = "none";
    }
    var target = document.querySelector('#msgs_div');
    observer.observe(target, {childList: true});
    window.clearInterval(timeout);
  }
}

document.addEventListener('DOMContentLoaded', function() {
  timeout = window.setInterval(hideGiphies, 200);
});