reveal nature journal names in google search results

reveal-nature-journals.user.js

// ==UserScript==
// @name         Nature Article Journal Modifier for Google Search
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  Modify Nature article titles in Google Search results to display their journal names, using Fetch API
// @author       tttpob
// @match        https://www.google.com/search?*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const doiPrefix = '10.1038/';


    async function processArticleLink(articleLink) {
        // Skip if the link has already been marked

        if (articleLink.getAttribute('journal-checked')) {
            return
        };

        articleLink.setAttribute("journal-checked", "loading");

        const match = articleLink.href.match(/https:\/\/www\.nature\.com\/articles\/(.+)$/);
        if (match) {
            const articleId = match[1];
            const doi = `${doiPrefix}${articleId}`;
            const journalName = await fetchJournalName(doi);
            if (journalName) {
                // Store the journal name in the attribute for future reference
                articleLink.setAttribute('journal-checked', journalName);
                modifyLinkTitle(articleLink, journalName);
            }
        }
    }

    async function fetchJournalName(doi) {
        try {
            const response = await fetch(`https://api.crossref.org/works/${doi}`);
            if (!response.ok) throw new Error('Network response was not ok');
            const data = await response.json();
            const journalName = data.message["container-title"];
            return journalName;
        } catch (error) {
            console.error('Error fetching journal name:', error);
            return null;
        }
    }

    function modifyLinkTitle(articleLink, journalName) {
        // Find the h3 element that is a child of the link's parent container
        const titleElement = articleLink.closest('.g').querySelector('h3');
        if (titleElement && !titleElement.textContent.startsWith(journalName)) {
            // Replace "Nature" at the end of the title with the journal name, if present
            titleElement.textContent = titleElement.textContent.replace(/^/, `${journalName} - `);
        }
    }

    function processSearchResults() {
        const links = document.querySelectorAll('a');
        links.forEach(link => {
            if (link.href.startsWith('https://www.nature.com/articles/')) {
                let timeToSleep = Math.floor(Math.random() * 1000);
                setTimeout(() => processArticleLink(link), timeToSleep);
            }
        });
    }

    function observeDOMChanges() {
        const observer = new MutationObserver((mutations) => {
            mutations.forEach((mutation) => {
                if (mutation.addedNodes.length > 0) {
                    processSearchResults();
                }
            });
        });

        const config = {
            childList: true,
            subtree: true
        };
        const targetNode = document.querySelector('body');

        if (targetNode) {
            observer.observe(targetNode, config);
        }
    }

    window.addEventListener('load', () => {
        setTimeout(() => {
            processSearchResults();
            observeDOMChanges();
        }, 1500)

    });
})();