Imgur - Page redirector

Redirects Imgur pages to images, videos or album download.

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         Imgur - Page redirector
// @description  Redirects Imgur pages to images, videos or album download.
// @namespace    var512
// @author       var512
// @version      0.0.4
// @supportURL   https://gitlab.com/var512
// @supportURL   https://github.com/var512
// @include      /^https?:\/\/(i\.|www\.)?imgur\.com\/(.+)/
// @exclude      /^https?:\/\/(www\.)?imgur\.com\/(about|privacy|search|upload|t\/)(.*)/
// @icon         https://imgur.com/favicon.ico
// @license      MIT
// @noframes
// @grant        none
// @run-at       document-end
// ==/UserScript==

(() => {
  'use strict';

  const isDebugEnabled = false;
  const imgurUrl = new URL(document.URL);
  isDebugEnabled && console.log(`imgurUrl: ${imgurUrl}`);

  if (typeof imgurUrl !== 'object') {
    return;
  }

  const splitPath = imgurUrl.pathname.split('/');
  isDebugEnabled && console.log(`splitPath: ${splitPath} | length: ${splitPath.length}`);

  if (splitPath.length < 2) {
    return;
  }

  // response.status workaround
  const pageTitle = document.querySelector('title');
  const isResponseNotFound = pageTitle && pageTitle.innerText.includes('404 page');
  isDebugEnabled && console.log(`isResponseNotFound: ${isResponseNotFound}`);

  if (isResponseNotFound) {
    return;
  }

  const isDirectLink = imgurUrl.host.includes('i.imgur.com');
  isDebugEnabled && console.log(`isDirectLink: ${isDirectLink}`);

  if (isDirectLink === true) {
    // .gifv URLs are redirects (not a video content-type)
    if (imgurUrl.href.endsWith('.gifv')) {
      isDebugEnabled && console.log('redirecting gifv to mp4...');
      window.location.replace(imgurUrl.href.replace(/.gifv$/i, '.mp4'));
    }
    return;
  }

  window.stop();

  const isGallery = ['a', 'gallery'].indexOf(splitPath[1]) >= 0 && ['zip'].indexOf(splitPath[2]) === -1;
  const isSingleImageGallery = document.querySelectorAll('.post-image-container').length === 1;
  isDebugEnabled && console.log(`isGallery: ${isGallery} | isSingleImageGallery: ${isSingleImageGallery}`);

  if (isGallery && isSingleImageGallery === false) {
    isDebugEnabled && console.log('redirecting gallery to zip download...');
    window.location.replace(`https://imgur.com/a/${splitPath[2]}/zip`);
    return;
  }

  const contentType = document.querySelectorAll('meta[property="og:video"]').length > 0 ? 'video' : 'image';
  const ogUrl = document.querySelector(`meta[property="og:${contentType}"]`).attributes.getNamedItem('content').value;
  const newUrl = ogUrl.split('?').shift();
  isDebugEnabled && console.log(`contentType: ${contentType}`);
  isDebugEnabled && console.log(`ogUrl: ${ogUrl}`);
  isDebugEnabled && console.log(`newUrl: ${newUrl}`);
  isDebugEnabled && console.log('redirecting...');

  window.location.replace(newUrl);
})();