Replace article URL with short Amazon permalink
As of
// ==UserScript==
// @name Amazon short URL
// @namespace graphen
// @description Replace article URL with short Amazon permalink
// @include /^https?:\/\/www\.amazon\.(cn|in|co\.jp|sg|fr|de|it|nl|es|co\.uk|ca|com(.\(mx|au|br)?)\/.*(dp|gp\/product|exec\/obidos\/ASIN|o\/ASIN)\/.*$/
// @noframes
// @grant none
// @version 2.2
// ==/UserScript==
/* jshint esversion: 6 */
(function (doc) {
'use strict';
var asinId = doc.getElementById('ASIN');
if (asinId) {
asinId = asinId.value;
history.replaceState(null, 'Amazon URL Cleaner', '/dp/' + asinId + '/');
console.log("URL replaced by Amazon URL Cleaner. ASIN: " + asinId);
}
else {
// Get ASIN from canonical link
var links = doc.getElementsByTagName('link');
var i;
for (i=0; i < links.length; i++) {
if (links[i].rel === 'canonical') {
var canonical = links[i].href;
var asin = canonical.replace(/https?:\/\/www\.amazon\..*\/dp\/([\w]+)$/, '$1');
if (asin.length === 10) {
history.replaceState(null, 'Amazon URL Cleaner', '/dp/' + asin + '/');
console.log("URL replaced by Amazon URL Cleaner. ASIN: " + asin);
}
}
}
}
}) (document);