Amazon Shortlinks

Adds a shortlink to Amazon product pages

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Amazon Shortlinks
// @namespace    https://github.com/felixfischer/show-amazon-shortlinks
// @version      1.5
// @description  Adds a shortlink to Amazon product pages
// @supportURL   https://github.com/felixfischer/show-amazon-shortlinks/issues
// @author       Felix Fischer
// @include      *www.amazon.*
// @include      *smile.amazon.*
// @grant        GM_setClipboard
// ==/UserScript==

(function(doc) {

    var ASIN = doc.getElementById("ASIN") || doc.getElementsByName("ASIN.0")[0];
    if (ASIN) {
        ASIN = ASIN.value;
        history.replaceState(null, "", "/dp/" + ASIN);
        var amznTLDs = ['com', 'co.uk', 'de', 'fr'];
        var noDpTLDs = ['com'];
        var domainParts = window.location.hostname.split('.');
        var TLD = domainParts.slice( domainParts.indexOf('amazon')+1 ).join('.');
        var SLD = amznTLDs.includes(TLD) ? 'amzn' : 'amazon';
        var pre = noDpTLDs.includes(TLD) ? '' : 'dp/';
        var URL = `${SLD}.${TLD}/${pre}${ASIN}`;
        var html =
            `<div class="a-spacing-large a-text-center" id="my-shortlink" title="click to copy">
                <a href="http://${URL}" onclick="return false">${URL}</a>
            </div>`;
        var pos = document.getElementById('tell-a-friend');
        pos.insertAdjacentHTML('afterend', html);
        var el = document.getElementById('my-shortlink');
        el.onclick = function() {
            GM_setClipboard('http://' + URL);
        };
    }

})(document);