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nyaa.si - Batch Download

Allows batch download of all displayed results in one single click.

  1. // ==UserScript==
  2. // @name           nyaa.si - Batch Download
  3. // @description    Allows batch download of all displayed results in one single click.
  4. // @version        2023.03.16.23.02
  5. // @author         MetalTxus
  6. // @namespace      https://github.com/jesuscc1993
  7.  
  8. // @grant          GM_xmlhttpRequest
  9.  
  10. // @icon           https://avatars3.githubusercontent.com/u/28658394?s=44
  11. // @match          https://nyaa.si/*
  12. // @require        https://code.jquery.com/jquery-3.2.1.min.js
  13. // ==/UserScript==
  14.  
  15. /* globals jQuery */
  16.  
  17. (() => {
  18.   'use strict';
  19.  
  20.   const delayBetweenDownloads = 150;
  21.  
  22.   let downloadButton;
  23.   let magnets;
  24.  
  25.   const appendBatchDownloadButton = () => {
  26.     magnets = jQuery(magnetsSelector);
  27.  
  28.     const fileCount = magnets.length;
  29.     if (fileCount) {
  30.       downloadButton = jQuery(`
  31.         <a title="Download all" href class="mt-batch-download">
  32.           <i class="fa fa-fw fa-magnet"></i>
  33.           <span class="mt-batch-download-label">Download all (${fileCount})</span>
  34.           <i class="fa fa-fw fa-magnet"></i>
  35.         </a>
  36.       `);
  37.       downloadButton.click((event) => {
  38.         event.preventDefault();
  39.         downloadAll();
  40.       });
  41.       setButtonText();
  42.  
  43.       jQuery('.torrent-list').append(downloadButton);
  44.  
  45.       downloadButton
  46.         .wrap(`<td colspan="9" align="center">`)
  47.         .wrap(`<tr style="background: none;">`);
  48.     }
  49.   };
  50.  
  51.   const setButtonText = () => {
  52.     downloadButton
  53.       .find(buttonLabelSelector)
  54.       .text(`Download all (${magnets.length})`);
  55.   };
  56.  
  57.   const downloadAll = () => {
  58.     downloadNext(magnets.toArray());
  59.   };
  60.  
  61.   const downloadNext = (anchors) => {
  62.     const anchor = anchors.pop();
  63.     const url = anchor.href.split('&dn=')[0];
  64.     const magnetTab = window.open(url);
  65.     setTimeout(() => magnetTab.close(), delayBetweenDownloads);
  66.  
  67.     if (anchors.length) {
  68.       setTimeout(() => downloadNext(anchors), delayBetweenDownloads);
  69.     }
  70.   };
  71.  
  72.   const onMutation = () => {
  73.     magnets = jQuery(magnetsSelector);
  74.  
  75.     setButtonText();
  76.   };
  77.  
  78.   const initialize = () => {
  79.     appendBatchDownloadButton();
  80.  
  81.     window.onload = () => {
  82.       new MutationObserver(onMutation).observe(
  83.         document.querySelector('tbody'),
  84.         { childList: true }
  85.       );
  86.     };
  87.   };
  88.  
  89.   const magnetsSelector = 'a[href*="magnet:"]';
  90.   const buttonLabelSelector = '.mt-batch-download-label';
  91.  
  92.   initialize();
  93. })();