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Amazon short URL

Replace article URL with short Amazon permalink

当前为 2022-10-25 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           Amazon short URL
  3. // @namespace      graphen
  4. // @version        4.0.6
  5. // @description    Replace article URL with short Amazon permalink
  6. // @author         Graphen
  7. // @include        /^https?:\/\/(www|smile)\.amazon\.(cn|in|sg|ae|fr|de|it|nl|es|ca|com(\.(mx|au|br|tr|be))?|co\.(uk|jp))\/.*(dp|gp\/(product|video)|exec\/obidos\/ASIN|o\/ASIN)\/.*$/
  8. // @icon           https://www.amazon.com/favicon.ico
  9. // @noframes
  10. // @grant          none
  11. // ==/UserScript==
  12.  
  13. /* jshint esversion: 6 */
  14. (function (doc) {
  15.     'use strict';
  16.  
  17.     function getAsin(){
  18.         let asinId = doc.getElementById('ASIN');
  19.  
  20.         if (asinId) {
  21.             return asinId.value;
  22.         }
  23.         else {
  24.             // Get ASIN from canonical link
  25.             let links = doc.getElementsByTagName('link');
  26.  
  27.             let i;
  28.             for (i=0; i < links.length; i++) {
  29.  
  30.                 if (links[i].rel === 'canonical') {
  31.  
  32.                     let canonical = links[i].href;
  33.                     let asin = canonical.replace(/https?:\/\/(www|smile)\.amazon\..*\/dp\/([\w]+)$/, '$2');
  34.  
  35.                     if (asin.length === 10) {
  36.                         return asin;
  37.                     }
  38.                 }
  39.             }
  40.         }
  41.     }
  42.  
  43.     function replaceUrl() {
  44.         let asin = getAsin();
  45.         if (asin){
  46.             history.replaceState(null, 'Amazon URL Cleaner', '/dp/' + asin + '/');
  47.             //console.log("URL replaced by Amazon URL Cleaner. ASIN: " + asin);
  48.         }
  49.     }
  50.     replaceUrl();
  51.  
  52.     // Execute again when item variation is detected
  53.     var buyboxParent = doc.getElementById('desktop_buybox');
  54.     if (buyboxParent) {
  55.         var MO = new MutationObserver(function(mutations) {
  56.             mutations.forEach(function(mutation) {
  57.                 mutation.addedNodes.forEach(function(nodeElement) {
  58.                     if (nodeElement.id === "buybox") {
  59.                         replaceUrl();
  60.                     }
  61.                 });
  62.             });
  63.         });
  64.         MO.observe(buyboxParent, { childList: true, subtree: true });
  65.     }
  66.  
  67. }) (document);