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Quick access buttons for Anna (ISBN/Title) and Libby (copies title) on Douban, NeoDb, and Goodreads
// ==UserScript==
// @name Book More
// @namespace https://example.com/
// @version 1.1.1
// @author cccccc
// @description Quick access buttons for Anna (ISBN/Title) and Libby (copies title) on Douban, NeoDb, and Goodreads
// @match https://neodb.social/book/*
// @match https://book.douban.com/subject/*
// @match https://www.goodreads.com/book/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// --------- Helper: safely extract book JSON-LD ----------
function extractBookData() {
const script = document.querySelector('script[type="application/ld+json"]');
if (!script) return { title: '', isbn: '' };
let data;
try {
data = JSON.parse(script.textContent.trim());
} catch (_) {
return { title: '', isbn: '' };
}
if (Array.isArray(data)) {
data = data.find(x => x['@type'] === 'Book') || data[0] || {};
}
function decodeHtml(html) {
const txt = document.createElement("textarea");
txt.innerHTML = html;
return txt.value;}
const title = decodeHtml(data.name || data.title || '');
const isbn = (data.isbn || '').replace(/-/g, '');
return { title, isbn };
}
const { title, isbn } = extractBookData();
if (!title) return;
// --------- Build search URLs ----------
const links = {
annaIsbn: isbn ? `https://annas-archive.org/search?q=${isbn}` : null,
annaTitle: `https://annas-archive.org/search?q=${encodeURIComponent(title)}`,
libby: 'https://libbyapp.com/search'
};
// --------- Helper: apply simple hover ----------
function applyHover(btn, bg, hoverBg, color, hoverColor) {
btn.addEventListener('mouseenter', () => {
btn.style.backgroundColor = hoverBg;
btn.style.color = hoverColor;
});
btn.addEventListener('mouseleave', () => {
btn.style.backgroundColor = bg;
btn.style.color = color;
});
}
// --------- Site configuration ----------
const siteConfig = {
neodb: {
match: /^https:\/\/neodb\.social\/book\//,
insertTarget() {
const anchor = document.querySelector('.right.mark');
return { parent: anchor?.parentNode, before: anchor };
},
container(el) {
el.id = 'book-more-links';
el.style.cssText = `
float: right;
clear: right;
width: 25%;
margin: 2rem 0;
text-align: center;
`;
},
buttonClass: 'bm-btn-neodb',
hover: (btn) =>
applyHover(
btn,
'transparent',
'var(--pico-primary-hover-background)',
'var(--pico-primary)',
'var(--pico-primary-inverse)'
)
},
douban: {
match: /^https:\/\/book\.douban\.com\/subject\//,
insertTarget() {
const aside = document.querySelector('.subjectwrap .aside') ||
document.querySelector('.aside');
return { parent: aside, before: aside?.firstChild };
},
container(el) {
el.className = 'gray_ad no-border';
},
wrapper() {
const w = document.createElement('div');
w.className = 'mb8 pl';
return w;
},
buttonWrapper(btn) {
const meta = document.createElement('div');
meta.className = 'meta';
meta.appendChild(btn);
return meta;
},
buttonClass: 'bm-btn-douban'
},
goodreads: {
match: /^https:\/\/www\.goodreads\.com\/book\//,
insertTarget() {
const h = document.querySelector('#bookTitle') ||
document.querySelector('h1');
return { parent: h?.parentNode, before: h };
},
container(el) {
el.id = 'book-more-links';
el.style.cssText = `
margin: 1rem 0;
padding: 0.5rem 0;
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
`;
},
buttonClass: 'bm-btn-goodreads',
hover: (btn) => applyHover(btn, '#f5f5f1', '#ddd', '#333', '#333')
}
};
// --------- Detect site ----------
let active = null;
for (const key in siteConfig) {
if (siteConfig[key].match.test(location.href)) {
active = siteConfig[key];
break;
}
}
if (!active) return;
// --------- Insert shared CSS ----------
const css = `
.bm-btn-neodb {
display: block;
width: 75%;
margin: 0.3rem auto;
padding: 0.5rem 1rem;
font-size: 0.9rem;
text-align: center;
border-radius: var(--pico-border-radius);
border: 1px solid var(--pico-primary-border);
background: transparent;
color: var(--pico-primary);
text-decoration: none;
cursor: pointer;
}
.bm-btn-douban {
text-decoration: none;
cursor: pointer;
}
.bm-btn-goodreads {
display: inline-block;
margin: 0.3rem;
padding: 0.4rem 0.8rem;
font-size: 0.85rem;
border-radius: 4px;
border: 1px solid #d0d0ce;
background: #f5f5f1;
color: #333;
text-decoration: none;
cursor: pointer;
}
`;
const styleTag = document.createElement('style');
styleTag.textContent = css;
document.head.appendChild(styleTag);
// --------- Button creation ----------
function makeButton(label, href) {
const btn = document.createElement('a');
btn.href = href;
btn.target = '_blank';
btn.rel = 'noopener noreferrer';
btn.textContent = label;
btn.className = active.buttonClass;
if (active.hover) active.hover(btn);
return btn;
}
function makeLibbyButton() {
const btn = document.createElement('a');
btn.href = '#';
btn.textContent = 'Libby';
btn.className = active.buttonClass;
if (active.hover) active.hover(btn);
btn.addEventListener('click', async (e) => {
e.preventDefault();
try {
await navigator.clipboard.writeText(title);
} catch (err) {
alert('Copy to clipboard failed.');
}
window.open(links.libby, '_blank', 'noopener');
});
return btn;
}
// --------- Construct DOM ----------
const container = document.createElement('div');
active.container(container);
const wrapper = active.wrapper ? active.wrapper() : container;
const addBtn = (el) => {
const node = active.buttonWrapper ? active.buttonWrapper(el) : el;
wrapper.appendChild(node);
};
if (links.annaIsbn) addBtn(makeButton('Anna (ISBN)', links.annaIsbn));
addBtn(makeButton('Anna (Title)', links.annaTitle));
addBtn(makeLibbyButton());
if (wrapper !== container) {
container.appendChild(wrapper);
}
const { parent, before } = active.insertTarget();
if (parent) parent.insertBefore(container, before);
})();