69 lines
2.6 KiB
JavaScript
69 lines
2.6 KiB
JavaScript
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// ==UserScript==
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// @name Replace Amazon Button with Morawa Button on Goodreads
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// @namespace http://tampermonkey.net/
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// @version 0.3
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// @author Kumi
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// @description Replace the "Buy on Amazon" button with a "Buy at Morawa" button on Goodreads book pages.
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// @match https://www.goodreads.com/book/show/*
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// @grant none
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// ==/UserScript==
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(function () {
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'use strict';
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// Function to get the ISBN from the Goodreads page
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function getISBN() {
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const scriptTags = document.querySelectorAll('script[type="application/ld+json"]');
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for (let scriptTag of scriptTags) {
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try {
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const jsonData = JSON.parse(scriptTag.textContent);
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if (jsonData['@type'] === 'Book' && jsonData.isbn) {
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return jsonData.isbn;
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}
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} catch (e) {
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console.error('Error parsing JSON from script tag:', e);
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}
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}
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return null;
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}
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// Function to create the Morawa button
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function createMorawaButton(isbn) {
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const morawaButton = document.createElement('a');
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morawaButton.textContent = 'Buy at Morawa';
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morawaButton.href = `https://www.morawa.at/detail/ISBN-${isbn}`;
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morawaButton.className = 'Button Button--buy Button--medium Button--block';
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morawaButton.setAttribute('role', 'link');
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morawaButton.setAttribute('aria-label', 'Buy at Morawa, link, opens in new tab');
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morawaButton.style.textDecoration = 'none';
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morawaButton.style.color = '#fff';
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morawaButton.style.backgroundColor = '#ff9900';
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morawaButton.style.padding = '10px';
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morawaButton.style.borderRadius = '5px';
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return morawaButton;
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}
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// Main function to replace the Amazon button
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function replaceAmazonButton() {
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const isbn = getISBN();
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if (!isbn) {
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console.log('ISBN not found.');
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return;
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}
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const amazonButtonContainer = Array.from(document.querySelectorAll('.Button__container')).find(container => {
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const button = container.querySelector('button');
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return button && button.textContent.includes('Buy on Amazon');
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});
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if (amazonButtonContainer) {
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const morawaButton = createMorawaButton(isbn);
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amazonButtonContainer.parentNode.replaceChild(morawaButton, amazonButtonContainer);
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} else {
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console.log('Amazon button not found.');
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}
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}
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// Wait for the DOM to load before running the script
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window.addEventListener('load', replaceAmazonButton);
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})();
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