MonkeyScripts/AmazonLinkRewrite.user.js at main · AlgoClaw/MonkeyScripts · GitHub

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// ==UserScript==
// @name        Amazon Link Rewriter
// @homepageURL https://github.com/AlgoClaw/MonkeyScripts/blob/main/AmazonLinkRewrite.user.js
// @downloadURL https://raw.githubusercontent.com/AlgoClaw/MonkeyScripts/main/AmazonLinkRewrite.user.js
// @updateURL   https://raw.githubusercontent.com/AlgoClaw/MonkeyScripts/main/AmazonLinkRewrite.user.js
// @description null
// @version     2025.07.04
// @grant       none
// @include     *
// ==/UserScript==

//////////////////////////////////////////////////////////////////////////////////////////////////
// Define REGEX patterns to find and replace
const TSTSTR = 'amazon'
var FIND001 = 'https:\/\/.*amazon\.com.*\/dp(\/[A-z0-9]{10}).*'
var FIND002 = 'https:\/\/.*amazon\.com.*\/dp\/product(\/[A-z0-9]{10}).*'
var FIND003 = 'https:\/\/.*amazon\.com.*\/gp\/product(\/[A-z0-9]{10}).*'
var REPLACE = 'https:\/\/amazon.com\/dp$1'

//////////////////////////////////////////////////////////////////////////////////////////////////
//Run function every 3 seconds
//setTimeout(RewriteLinks, 3000)
setInterval(RewriteLinks, 3000);

// Function to rewrite static links
function RewriteLinks() {
    var links;
    links = document.evaluate("//a[@href]",document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
    for (var i=0;i<links.snapshotLength;i++) {
        var thisLink = links.snapshotItem(i);
        if (thisLink !== undefined) { // only rewrite if not undefined
            if (thisLink.href.includes(TSTSTR) === true) { // only rewrite if TSTSTR is in link
                //console.log(thisLink.href); // link before change
                thisLink.href = thisLink.href.replace(RegExp(FIND001),REPLACE);
                thisLink.href = thisLink.href.replace(RegExp(FIND002),REPLACE);
                thisLink.href = thisLink.href.replace(RegExp(FIND003),REPLACE);
                //console.log(thisLink.href); // link after change
            }
        }
    }
}

//////////////////////////////////////////////////////////////////////////////////////////////////
// Rewrite link on mouse click (left, middle, and right)

document.addEventListener("click", (e) => change_link(e), false) // left click
document.addEventListener("auxclick", (e) => change_link(e), false) //  right/middle click
function change_link(event) {
    const thisLink = event.currentTarget.activeElement;
    if (thisLink.href !== undefined) { // only rewrite if not undefined
        if (thisLink.href.includes(TSTSTR) === true) { // only rewrite if TSTSTR is in link
        //console.log(link.href); // link before change
        thisLink.href = thisLink.href.replace(RegExp(FIND001),REPLACE);
        thisLink.href = thisLink.href.replace(RegExp(FIND002),REPLACE);
        thisLink.href = thisLink.href.replace(RegExp(FIND003),REPLACE);
        //console.log(link.href); // link after change
        }
    }
}