Greasy Fork

Yo bro I made some changes to your script to "try" to optimize it. I think I did and wanted you to see the changes I made in case you approved of what I did.


// ==UserScript==
// @name Amazon CamelCamelCamel + Keepa Price Charts
// @version 1.0
// @description Add CamelCamelCamel and Keepa price charts to Amazon product pages with optimized resource usage.
// @author miki.it
// @namespace null
// @homepage url
// @match https://www.amazon.com/*
// @run-at document-idle
// @grant none
// ==/UserScript==

(function() {
'use strict';

const getASIN = () => {
const asinElement = document.getElementById("ASIN") || document.querySelector('[name="ASIN"]');
return asinElement ? asinElement.value : console.error("Unable to find ASIN on the page.");
};

const createChartContainer = (url, imgUrl, width, height) => {
const link = document.createElement("a");
link.href = url;
link.target = "_blank";

const img = document.createElement("img");
img.src = imgUrl;
img.width = width;
img.height = height;
link.appendChild(img);

const container = document.createElement("div");
container.appendChild(link);
return container;
};

const insertPriceCharts = (asin, country) => {
const parentElement = document.getElementById("unifiedPrice_feature_div") || document.getElementById("MediaMatrix");
if (!parentElement) {
return console.error("Unable to find a suitable parent element for inserting the price charts.");
}

const camelUrl = `https://${country}.camelcamelcamel.com/product/${asin}`;
const camelImgUrl = `https://charts.camelcamelcamel.com/${country}/${asin}/amazon-new-used.png?force=1&zero=0&w=500&h=320&desired=false&legend=1&ilt=1&tp=all&fo=0`;
const keepaUrl = `https://keepa.com/#!product/5-${asin}`;
const keepaImgUrl = `https://graph.keepa.com/pricehistory.png?asin=${asin}&domain=${country}`;

parentElement.appendChild(createChartContainer(camelUrl, camelImgUrl, 500, 320));
parentElement.appendChild(createChartContainer(keepaUrl, keepaImgUrl, 500, 200));
};

const asin = getASIN();
if (asin) {
const country = document.location.hostname.split('.').slice(-1)[0] === "com" ? "us" : "de";
insertPriceCharts(asin, country);
}
})();

You can see it better here: https://github.com/slyfox1186/script-repo/blob/main/JS/amazon-price-tracker.js

https://github.com/slyfox1186/script-repo/blob/main/JS/amazon-price-tracker.md

You can see it better here: https://github.com/slyfox1186/script-repo/blob/main/JS/amazon-price-tracker.js

Very good script, making some changes to adapt it to other countries works with unexpected performance.