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Custom Element Hider

Allows you to specify a list of custom css selectors for hiding certain elements on specific websites, similar to a custom filter of an adblocker. Matching is done with the full hostname, subdomain included.

// ==UserScript==
// @name         Custom Element Hider
// @description  Allows you to specify a list of custom css selectors for hiding certain elements on specific websites, similar to a custom filter of an adblocker. Matching is done with the full hostname, subdomain included.
// @version      1.1.1
// @namespace    https://github.com/Fenn3c401
// @author       Fenn3c401
// @license      GPL-3.0-or-later
// @icon         data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iODAwIiBoZWlnaHQ9IjgwMCIgdmlld0JveD0iOTAuODggNjcuODQgODQ0LjggODQ0LjgiIGNsYXNzPSJpY29uIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik01MTMuMjggODAuNjRjLTIyNi41NiAwLTQwOS42IDE4My4wNC00MDkuNiA0MDkuNnMxODMuMDQgNDA5LjYgNDA5LjYgNDA5LjYgNDA5LjYtMTgzLjA0IDQwOS42LTQwOS42LTE4NC4zMi00MDkuNi00MDkuNi00MDkuNm0wIDE1My42YzQ3LjM2IDAgOTIuMTYgMTIuOCAxMjkuMjggMzUuODRMMjkzLjEyIDYxOS41MmMtMjMuMDQtMzguNC0zNS44NC04MS45Mi0zNS44NC0xMjkuMjggMC0xNDAuOCAxMTMuOTItMjU2IDI1Ni0yNTZtMCA1MTJjLTQ3LjM2IDAtOTIuMTYtMTIuOC0xMjkuMjgtMzUuODRsMzUwLjcyLTM1MC43MmMyMy4wNCAzOC40IDM1Ljg0IDgxLjkyIDM1Ljg0IDEyOS4yOC0xLjI4IDE0Mi4wOC0xMTYuNDggMjU3LjI4LTI1Ny4yOCAyNTcuMjgiIGZpbGw9IiNEODI2MjEiLz48cGF0aCBkPSJNNTEzLjI4IDkxMi42NGMtMjMyLjk2IDAtNDIyLjQtMTg5LjQ0LTQyMi40LTQyMi40czE4OS40NC00MjIuNCA0MjIuNC00MjIuNCA0MjIuNCAxODkuNDQgNDIyLjQgNDIyLjQtMTg5LjQ0IDQyMi40LTQyMi40IDQyMi40bTAtODE5LjJjLTIxOC44OCAwLTM5Ni44IDE3Ny45Mi0zOTYuOCAzOTYuOHMxNzcuOTIgMzk2LjggMzk2LjggMzk2LjggMzk2LjgtMTc3LjkyIDM5Ni44LTM5Ni44LTE3Ny45Mi0zOTYuOC0zOTYuOC0zOTYuOG0wIDY2NS42Yy00Ny4zNiAwLTk0LjcyLTEyLjgtMTM2Ljk2LTM3LjEyLTMuODQtMi41Ni01LjEyLTUuMTItNi40LTguOTYgMC0zLjg0IDEuMjgtNy42OCAzLjg0LTEwLjI0TDcyNC40OCAzNTJjMi41Ni0yLjU2IDYuNC0zLjg0IDEwLjI0LTMuODRzNy42OCAyLjU2IDguOTYgNi40YzI0LjMyIDQwLjk2IDM3LjEyIDg4LjMyIDM3LjEyIDEzNi45NiAxLjI4IDE0Ny4yLTEyMC4zMiAyNjcuNTItMjY3LjUyIDI2Ny41Mm0tMTA4LjgtNTEuMmMzMy4yOCAxNi42NCA3MS42OCAyNS42IDEwOC44IDI1LjYgMTM0LjQgMCAyNDMuMi0xMDguOCAyNDMuMi0yNDMuMiAwLTM3LjEyLTguOTYtNzUuNTItMjUuNi0xMDguOHptLTExMS4zNi03NS41MmgtMS4yOGMtMy44NCAwLTcuNjgtMi41Ni04Ljk2LTYuNC0yNC4zMi00MC45Ni0zNy4xMi04OC4zMi0zNy4xMi0xMzYuOTYgMC0xNDguNDggMTIwLjMyLTI2OC44IDI2OC44LTI2OC44IDQ3LjM2IDAgOTQuNzIgMTIuOCAxMzYuOTYgMzcuMTIgMy44NCAyLjU2IDUuMTIgNS4xMiA2LjQgOC45NnMtMS4yOCA3LjY4LTMuODQgMTAuMjRsLTM1MiAzNTJjLTIuNTYgMi41Ni02LjQgMy44NC04Ljk2IDMuODRtMjIwLjE2LTM4NS4yOGMtMTM0LjQgMC0yNDMuMiAxMDguOC0yNDMuMiAyNDMuMiAwIDM3LjEyIDguOTYgNzUuNTIgMjUuNiAxMDguOGwzMjYuNC0zMjYuNGMtMzQuNTYtMTYuNjQtNzEuNjgtMjUuNi0xMDguOC0yNS42IiBmaWxsPSIjMjMxQzFDIi8+PC9zdmc+
// @match        *://*/*
// @run-at       document-start
// @grant        GM_addStyle
// ==/UserScript==

/* README
> Inspired by Zach Saucier's [Custom element hider](https://greasyfork.org/scripts/30410) userscript.
*/


'use strict';

const blacklist = {
  'trakt.tv': [
    '.action-buttons .btn-checkin',
    '#sentiment',
    '.sentiments-wrapper',
    '.sidebar :is(#external-link-twitter, #external-link-facebook)',
  ],
  'ext.to': [
    '.vide-watch-btn',
    '#tab-detail > li:has(a[href$="/watch/"], a[href^="https://webtor.io"])',
    'body > div:not(:has(*))',
  ],
};


const selectors = blacklist[location.hostname];
if (!selectors) return;

GM_addStyle(`
  ${selectors.join()} {
    display: none !important;
  }
`);