Shows the ratings from Goodreads on Amazon book pages
// ==UserScript==
// @name Amazon - Goodreads metadata
// @namespace https://github.com/bricemciver/GreasemonekeyScripts
// @description Shows the ratings from Goodreads on Amazon book pages
// @license MIT
// @version 0.0.2
// @match https://amazon.com/*
// @match https://*.amazon.com/*
// @match https://amazon.co.uk/*
// @match https://*.amazon.co.uk/*
// @match https://amazon.ca/*
// @match https://*.amazon.ca/*
// @match https://amazon.de/*
// @match https://*.amazon.de/*
// @match https://amazon.fr/*
// @match https://*.amazon.fr/*
// @match https://amazon.es/*
// @match https://*.amazon.es/*
// @match https://amazon.it/*
// @match https://*.amazon.it/*
// @match https://amazon.co.jp/*
// @match https://*.amazon.co.jp/*
// @match https://amazon.cn/*
// @match https://*.amazon.cn/*
// @match https://amazon.com.br/*
// @match https://*.amazon.com.br/*
// @match https://amazon.in/*
// @match https://*.amazon.in/*
// @match https://amazon.com.mx/*
// @match https://*.amazon.com.mx/*
// @match https://amazon.com.au/*
// @match https://*.amazon.com.au/*
// @grant GM_xmlhttpRequest
// @grant GM.xmlHttpRequest
// @icon https://www.google.com/s2/favicons?sz=64&domain=amazon.com
// ==/UserScript==
/* jshint esversion: 6 */
"use strict";
(() => {
// src/main/amazon-goodreads-meta/amazon-goodreads-meta.user.ts
(() => {
const asinRegex = /\/([A-Z0-9]{10})/;
const findASIN = () => {
const asinArray = [];
const array = asinRegex.exec(document.location.pathname);
const asin = array && array.length > 1 ? array[1] : "";
console.log(`ASIN in pathname: ${asin}`);
const dp = document.getElementById("dp");
if (dp == null ? void 0 : dp.className.includes("book")) {
asinArray.push(asin);
} else {
const images = document.getElementsByTagName("img");
const coverImages = Array.from(images).filter((item) => item.classList.contains("cover-image"));
coverImages.forEach((image) => {
const parentElem = image.parentElement;
if (parentElem instanceof HTMLAnchorElement) {
const link = parentElem.href;
const ciArray = asinRegex.exec(link);
const ciAsin = ciArray && ciArray.length > 1 ? ciArray[1] : "";
console.log(`ASIN on book image: ${ciAsin}`);
asinArray.push(ciAsin);
}
});
}
return asinArray;
};
const findInsertPoint = () => {
const insertPoint = [];
const reviewElement = document.getElementById("averageCustomerReviews");
if (reviewElement) {
insertPoint.push(reviewElement);
} else {
const reviewArray = document.getElementsByClassName("pf-image-w");
insertPoint.push(...Array.from(reviewArray));
}
return insertPoint;
};
const insertElement = (isbn, insertPoint) => {
GM.xmlHttpRequest({
method: "GET",
url: `https://www.goodreads.com/book/isbn/${isbn}`,
onload(response) {
const node = new DOMParser().parseFromString(response.responseText, "text/html");
const head = document.getElementsByTagName("head")[0];
const styles = Array.from(node.getElementsByTagName("link")).filter((item) => item.rel === "stylesheet");
styles.forEach((item) => {
item.href = item.href.replace("amazon", "goodreads");
head.appendChild(item);
});
const meta = node.getElementById("ReviewsSection");
if (meta) {
const rating = meta.querySelector("div.RatingStatistics");
if (rating) {
Array.from(rating.getElementsByTagName("a")).forEach((item) => {
item.href = response.finalUrl + item.href.replace(item.baseURI, "");
return item;
});
Array.from(rating.getElementsByTagName("span")).forEach((item) => {
item.classList.replace("RatingStar--medium", "RatingStar--small");
item.classList.replace("RatingStars__medium", "RatingStars__small");
});
Array.from(rating.getElementsByTagName("div")).filter((item) => item.classList.contains("RatingStatistics__rating")).forEach((item) => {
item.style.marginBottom = "-0.8rem";
item.style.fontSize = "2.2rem";
});
const labelCol = document.createElement("div");
labelCol.classList.add("a-column", "a-span12", "a-spacing-top-small");
const labelRow = document.createElement("div");
labelRow.classList.add("a-row", "a-spacing-small");
labelRow.textContent = "Goodreads";
const lineBreak = document.createElement("br");
labelCol.appendChild(labelRow);
labelRow.appendChild(lineBreak);
labelRow.appendChild(rating);
insertPoint.appendChild(labelCol);
}
}
}
});
};
const main = () => {
const ASIN = findASIN();
const insertPoint = findInsertPoint();
for (let i = 0; i < ASIN.length && i < insertPoint.length; i++) {
const insertPointElement = insertPoint[i].parentElement;
if (insertPointElement) {
insertElement(ASIN[i], insertPointElement);
}
}
};
main();
})();
})();
//# sourceMappingURL=amazon-goodreads-meta.user.js.map