Redirects Weidian and Taobao links to Pandabuy
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// ==UserScript==
// @name Pandabuy Redirector
// @namespace http://tampermonkey
// @version 3.1
// @description Redirects Weidian and Taobao links to Pandabuy
// @match *://*/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
"use strict";
// Define constants for Pandabuy, Weidian, and Taobao domains
const pandabuyDomain = "pandabuy.com";
const weidianDomain = "weidian.com";
const taobaoDomain = "taobao.com";
// Function to check if a link matches Pandabuy, Weidian, or Taobao domains
function checkLink(link) {
if (
link.href.includes(pandabuyDomain) ||
link.href.includes(weidianDomain) ||
link.href.includes(taobaoDomain)
) {
link.addEventListener("click", function (event) {
event.preventDefault();
// If the link is not on Pandabuy, redirect to Pandabuy
if (!link.href.includes(pandabuyDomain)) {
// If the link is a Weidian link with a userid parameter, construct a new URL with the Pandabuy shop detail page and userid as a parameter
if (
link.href.includes(weidianDomain) &&
link.href.includes("userid")
) {
const userid = link.href.match(/userid=(\d+)/)[1];
const newUrl =
"https://www.pandabuy.com/shopdetail?t=wd&id=" +
encodeURIComponent(userid);
const newLink = document.createElement("a");
newLink.href = newUrl;
newLink.target = "_blank";
newLink.click();
}
// If the link is a Taobao link with a subdomain, check if it's "item" and redirect to the usual product page if it is, otherwise construct a new URL with the Pandabuy shop detail page and subdomain as a parameter
else if (
link.href.includes(taobaoDomain) &&
link.href.includes("://") &&
link.href.includes(".")
) {
const subdomain = link.href.match(/\/\/(.+?)\./)[1];
if (subdomain === "item" || subdomain === "m") {
const newUrl =
"https://www.pandabuy.com/product?url=" +
encodeURIComponent(link.href);
const newLink = document.createElement("a");
newLink.href = newUrl;
newLink.target = "_blank";
newLink.click();
} else {
const newUrl =
"https://www.pandabuy.com/shopdetail?t=taobao&id=" +
encodeURIComponent(subdomain);
const newLink = document.createElement("a");
newLink.href = newUrl;
newLink.target = "_blank";
newLink.click();
}
}
// If the link is not a Weidian or Taobao link, construct a new URL with the Pandabuy product page and the original link as a parameter
else {
const newUrl =
"https://www.pandabuy.com/product?url=" +
encodeURIComponent(link.href);
const newLink = document.createElement("a");
newLink.href = newUrl;
newLink.target = "_blank";
newLink.click();
}
}
});
}
}
// Check if user is on pandabuy.com, weidian.com, or taobao.com before applying the link conversion script
if (
!window.location.href.includes(pandabuyDomain) &&
!window.location.href.includes(weidianDomain) &&
!window.location.href.includes(taobaoDomain)
) {
// Check existing links on page load
const links = document.getElementsByTagName("a");
for (let i = 0; i < links.length; i++) {
checkLink(links[i]);
}
// Observe for changes in the DOM and check new links
const observer = new MutationObserver(function (mutationsList, observer) {
for (let mutation of mutationsList) {
if (mutation.type === "childList") {
for (let addedNode of mutation.addedNodes) {
if (addedNode.nodeType === 1) {
if (addedNode.tagName === "A") {
checkLink(addedNode);
}
// Check links in any new nodes that are added to the DOM
else {
const containerLinks = addedNode.getElementsByTagName("a");
for (let j = 0; j < containerLinks.length; j++) {
checkLink(containerLinks[j]);
}
}
}
}
}
}
});
observer.observe(document.documentElement, {
childList: true,
subtree: true,
});
}
})();