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Amazon short URL

Replace article URL with short Amazon permalink

当前为 2022-11-02 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           Amazon short URL
  3. // @namespace      graphen
  4. // @version        4.0.8
  5. // @description    Replace article URL with short Amazon permalink
  6. // @author         Graphen
  7. // @include        /^https?:\/\/(www|smile)\.amazon\.(cn|in|sg|se|ae|fr|de|pl|it|nl|es|ca|com(\.(mx|au|br|tr|be))?|co\.(uk|jp))\/.*(dp|gp\/(product|video)|exec\/obidos\/ASIN|o\/ASIN)\/.*$/
  8. // @icon           https://www.amazon.com/favicon.ico
  9. // @noframes
  10. // @grant          none
  11. // @license        MIT
  12. // ==/UserScript==
  13.  
  14. /* jshint esversion: 6 */
  15. (function (doc) {
  16.     'use strict';
  17.  
  18.     function getAsin(){
  19.         let asinId = doc.getElementById('ASIN');
  20.  
  21.         if (asinId) {
  22.             return asinId.value;
  23.         }
  24.         else {
  25.             // Get ASIN from canonical link
  26.             let links = doc.getElementsByTagName('link');
  27.  
  28.             let i;
  29.             for (i=0; i < links.length; i++) {
  30.  
  31.                 if (links[i].rel === 'canonical') {
  32.  
  33.                     let canonical = links[i].href;
  34.                     let asin = canonical.replace(/https?:\/\/(www|smile)\.amazon\..*\/dp\/([\w]+)$/, '$2');
  35.  
  36.                     if (asin.length === 10) {
  37.                         return asin;
  38.                     }
  39.                 }
  40.             }
  41.         }
  42.     }
  43.  
  44.     function replaceUrl() {
  45.         let asin = getAsin();
  46.         if (asin){
  47.             history.replaceState(null, 'Amazon URL Cleaner', '/dp/' + asin + '/');
  48.             //console.log("URL replaced by Amazon URL Cleaner. ASIN: " + asin);
  49.         }
  50.     }
  51.     replaceUrl();
  52.  
  53.     // Execute again when item variation is detected
  54.     var buyboxParent = doc.getElementById('desktop_buybox');
  55.     if (buyboxParent) {
  56.         var MO = new MutationObserver(function(mutations) {
  57.             mutations.forEach(function(mutation) {
  58.                 mutation.addedNodes.forEach(function(nodeElement) {
  59.                     if (nodeElement.id === "buybox") {
  60.                         replaceUrl();
  61.                     }
  62.                 });
  63.             });
  64.         });
  65.         MO.observe(buyboxParent, { childList: true, subtree: true });
  66.     }
  67.  
  68. }) (document);