Collapse ZH Premium Comments

Automatically collapses ZeroHedge premium comments.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Collapse ZH Premium Comments
// @version      1.0.0
// @license MIT
// @description  Automatically collapses ZeroHedge premium comments.
// @match        https://*.zerohedge.com/*
// @grant        none
// @run-at       document-idle
// @namespace https://greasyfork.org/users/1626718
// ==/UserScript==

(() => {
  'use strict';

  const BADGE_SELECTOR = '[class*="SubscriberBadge"]';
  const COMMENT_SELECTOR = '.talk-stream-comment-wrapper';
  const COLLAPSE_BUTTON_SELECTOR = '.talk-plugin-collapse-comment-button';
  const handledComments = new WeakSet();

  function collapsePremiumComments(root = document) {
    root.querySelectorAll(BADGE_SELECTOR).forEach((badge) => {
      const comment = badge.closest(COMMENT_SELECTOR);

      if (!comment || handledComments.has(comment)) return;

      const collapseButton = comment.querySelector(COLLAPSE_BUTTON_SELECTOR);
      if (!collapseButton) return;

      // Prevent script from opening a collapsed comment.
      const icon = collapseButton.querySelector('.material-icons');
      const isExpanded = !icon || icon.textContent.trim() === 'remove';

      handledComments.add(comment);

      if (isExpanded) collapseButton.click();
    });
  }

  collapsePremiumComments();

  const observer = new MutationObserver(() => collapsePremiumComments());
  observer.observe(document.body, {
    childList: true,
    subtree: true,
  });
})();