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A userscript that display links between different libraries and book stores.
// ==UserScript==
// @name Library Helper
// @namespace https://github.com/chihchun
// @version 1.17
// @description A userscript that display links between different libraries and book stores.
// @author Rex Tsai <rex.cc.tsai@gmail.com>
// @match https://book.tpml.edu.tw/bookDetail/*
// @match https://book.douban.com/subject/*
// @match https://books.google.com.tw/books*
// @match https://books.google.com/books*
// @match https://books.google.fr/books*
// @match https://play.google.com/store/books/details/*
// @match https://play.google.com/store/books/details?id=*
// @match https://share.readmoo.com/book/*
// @match https://readmoo.com/book/*
// @match https://www.amazon.cn/dp/*
// @match https://www.amazon.cn/gp/product/*
// @match https://www.amazon.com/*/dp/*
// @match https://www.amazon.com/gp/product/*
// @match https://www.books.com.tw/products/*
// @match https://www.goodreads.com/book/show/*
// @match https://www.kobo.com/*/ebook*
// @match https://www.taaze.tw/goods/*
// @match https://www.taaze.tw/usedList.html?oid=*
// @match https://www.babelio.com/livres/*
// @match http://bibliotheque.ville-bobigny.fr/detail-d-une-notice/notice/*
// @match https://webpac.tphcc.gov.tw/webpac/content.cfm*
// @match https://www.eslite.com/product/*
// @grant none
// @require https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js
// @run-at document-idle
// @license MIT; https://github.com/chihchun/library-helper/blob/master/LICENSE
// @copyright 2019, chihchun (https://github.com/chihchun)
// @supportURL https://github.com/chihchun/library-helper/issues
// ==/UserScript==
(function() {
'use strict';
var metadata_yaml = `
amazon.com:
matches:
- https://www.amazon.com/gp/product/*
type: 'XPATH'
metadata:
title: "//span[@id='ebooksProductTitle']"
authors: "//span[contains(@data-a-popover, 'Author Dialog')]/a"
asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
amazon.com/dp:
matches:
- https://www.amazon.com/*
type: 'XPATH'
metadata:
title: "//span[@id='ebooksProductTitle']"
authors: //span[contains(@class, 'author')]/a
asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
amazon.cn:
matches:
- "https://www.amazon.cn/gp/product/*"
- "https://www.amazon.cn/dp/*"
type: 'XPATH'
metadata:
title: "//span[@id='ebooksProductTitle']"
authors: "//span[contains(@class,'author')]/a"
asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
babelio.com:
matches:
- "https://www.babelio.com/livres/*"
type: 'XPATH'
metadata:
title: "//h1"
authors: "//span[@itemprop='name']"
bibliotheque.ville-bobigny.fr:
matches:
- "http://bibliotheque.ville-bobigny.fr/detail-d-une-notice/notice/*"
type: 'XPATH'
metadata:
title: "//title"
authros: "//a[contains(@class, 'ntc-link-auteur')]"
books.com.tw:
matches:
- "https://www.books.com.tw/products/*"
type: 'XPATH'
metadata:
title: "//h1"
origtitle: "//h2/a[contains(@href,'https://search.books.com.tw/search/query/cat/all/key')]"
isbn: "//li[contains(text(),'ISBN')]"
price: "//ul[@class='price']/li/em"
sellingprice: "//b[@itemprop='price']"
authors: "//a[contains(@href,'adv_author')]"
publishdate: "//li[contains(text(),'出版日期')]"
books.google.com.tw:
matches:
- "https://books.google.com.tw/books/*"
- "https://books.google.com/books/*"
- "https://books.google.fr/books/*"
type: 'XPATH'
metadata:
title: "//meta[@property='og:title']/@content"
authors: "//a[contains(@href,'q=inauthor')]"
eslite.com:
matches:
- "https://www.eslite.com/product/*"
type: 'XPATH'
metadata:
title: "//div[@class='product-information']//h1"
authors: "//a[contains(@href,'/search?author')]"
delaytime: 2000
goodreads.com:
matches:
- "https://www.goodreads.com/book/show/*"
type: 'XPATH'
metadata:
title: "//meta[@property='og:title']/@content"
authors: "//a[@class='authorName']/span[@itemprop='name']"
isbn: "//meta[@property='books:isbn']/@content"
rating: "//span[@itemprop='ratingValue']"
kobo.com:
matches:
- "https://www.kobo.com/*"
type: 'JSON-LD'
metadata:
title: '//span[@class="title product-field"]'
authors: '//a[@class="contributor-name"]'
origtitle: "//span[contains(@class, 'subtitle')]"
play.google.com:
matches:
- "https://play.google.com/store/books/details/*"
- "https://play.google.com/store/books/details?id=*"
type: 'JSON-LD'
metadata:
readmoo.com:
matches:
- "https://share.readmoo.com/book/*"
- "https://readmoo.com/book/*"
type: 'XPATH'
metadata:
title: "//h2"
isbn: "//span[@itemprop='ISBN']"
authors: "//span[@itemprop='name']/a"
taaze.tw:
matches:
- "https://www.taaze.tw/goods/*"
type: 'XPATH'
metadata:
title: "//div[contains(@class, 'mBody')]//h1"
origtitle: "//div[contains(@class, 'mBody')]//h2"
isbn: "//meta[@property='books:isbn']/@content"
authors: "//div[@class='authorBrand']//a[contains(@href,'rwd_searchResult.html?keyType%5B%5D=2')]"
taaze.tw/used:
matches:
- "https://www.taaze.tw/usedList.html*"
type: 'XPATH'
metadata:
origtitle: "//div[contains(@class, 'hide')]//div[@class='title-next']"
authors: "//a[contains(@href,'rwd_searchResult.html?keyType%5B%5D=2')]"
tpml.edu.tw:
matches:
- "https://book.tpml.edu.tw/bookDetail/*"
type: 'XPATH'
metadata:
title: "//div[@class='bookdata']/h2"
authors: "//a[contains(@href,'searchField=PN')]"
delaytime: 1200
fixtitle: True
webpac.tphcc.gov.tw:
matches:
- "https://webpac.tphcc.gov.tw/webpac/content.cfm*"
type: 'XPATH'
metadata:
title: "//h2"
authors: "//div[@class='detail simple']/p[1]"
isbn: "//div[@class='detail simple']/p[4]"
`;
var search_yaml = `
博客來:
url: "https://search.books.com.tw/search/query/key/"
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
誠品線上:
url: "https://www.eslite.com/Search?keyword="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
Kobo:
url: "https://www.kobo.com/tw/zh/search?query="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
- "fr"
- "fr-ca"
- "fr-fr"
GooglePlay:
url: "https://play.google.com/store/search?c=books&q="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
- "fr"
- "fr-ca"
- "fr-fr"
AmazonCN:
url: "https://www.amazon.cn/s?rh=n%3A116169071&k="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
豆瓣:
url: "https://search.douban.com/book/subject_search?search_text="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
Goodreads:
url: "https://www.goodreads.com/search?q="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
- "fr"
- "fr-ca"
- "fr-fr"
Google:
url: "https://www.google.com/search?tbm=bks&q="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
- "fr"
- "fr-ca"
- "fr-fr"
北市圖書館:
url: "https://book.tpml.edu.tw/search?searchField=FullText&searchInput="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
北市圖書館Hyread:
url: "https://tpml.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
北市圖書館UDN讀書館:
url: "https://reading.udn.com/udnlib/tpml/booksearch?sort=all&opt=all&kw="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
北區資源中心UDN讀書館:
url: "https://reading.udn.com/udnlib/publiclib/booksearch?sort=all&opt=all&kw="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
台灣雲端書庫:
url: "https://www.ebookservice.tw/#search/"
languages:
- "zh"
- "zh-TW"
- "zh-HK"
新北市圖書館:
url: "https://webpac.tphcc.gov.tw/webpac/search.cfm?m=ss&t0=k&c0=and&k0="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
新北市圖書館Hyread:
url: "https://tphcc.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
新北市圖書館UDN讀書館:
url: "https://reading.udn.com/udnlib/tpc/booksearch?sort=all&opt=all&kw="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
國立臺灣圖書館Hyread:
url: "https://ntledu.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
國立臺灣圖書館UDN讀書館:
url: "https://reading.udn.com/udnlib/ncl/booksearch?sort=all&opt=all&kw="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
讀冊:
url: "https://www.taaze.tw/rwd_searchResult.html?keyword%5B%5D="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
Readmoo:
url: "https://share.readmoo.com/search/keyword?q="
languages:
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
Amazon:
url: "https://www.amazon.com/s?i=digital-text&k="
languages:
- "en"
- "en-US"
- "zh"
- "zh-TW"
- "zh-HK"
- "zh-CN"
- "fr"
- "fr-ca"
- "fr-fr"
Babelio:
url: "https://www.babelio.com/resrecherche.php?Recherche="
languages:
- "fr"
- "fr-ca"
- "fr-fr"
Bobigny:
url: "http://bibliotheque.ville-bobigny.fr/recherche-catalogue/recherche-simple/simple/Mots%20Notice/0/"
languages:
- "fr"
- "fr-ca"
- "fr-fr"
`;
var keywords = ['title', 'authors', 'origtitle', 'isbn', 'asin'];
parse_metadata();
function parse_metadata() {
var rules = jsyaml.load(metadata_yaml);
var data = {};
// parse the ld+json
var jsons = evaluate('//script[@type="application/ld+json"]');
if(jsons.length > 0) {
jsons.forEach(function(json) {
try {
var ld = JSON.parse(json);
// console.debug(ld);
if(ld['@type'] == "Book") {
data['title'] = [ld['name']];
if(ld['isbn'] != undefined) {
data['isbn']= [ld['isbn']];
}
if(ld['workExample'] != undefined && ld['workExample']['isbn'] != undefined ) {
data['isbn']= [ld['workExample']['isbn']];
}
data['authors'] = [];
if(ld['author'] != undefined) {
if(Array.isArray(ld['author'])) {
ld['author'].forEach(function (author) {
data['authors'].push(author['name']);
})
} else {
data['authors'].push(ld['author']['name']);
}
}
}
} catch(err) {
console.error(err, json)
}
})
}
for (var domain in rules) {
rules[domain]['matches'].forEach(function (match) {
if(document.URL.match(match)) {
var metadata = rules[domain]['metadata'];
// wait for page is loaded
let delaytime = 0;
if('delaytime' in rules[domain]) {
delaytime = rules[domain]['delaytime'];
}
let fixtitle = 0;
if('fixtitle' in rules[domain]) {
fixtitle = true;
}
// wait for page content to be loaded
setTimeout(function() {
// collect metadata
for (var key in metadata) {
data[key] = evaluate(metadata[key]);
}
// updates links to other websites
if(Object.keys(data).length > 0) {
console.debug(data);
var dialog = inject();
var urlsforsearch = jsyaml.load(search_yaml);
for (var service in urlsforsearch) {
if(!isPreferLang(urlsforsearch[service]['languages'])) {
continue;
}
var url = urlsforsearch[service]['url'];
var html = `<div>${service}: `;
keywords.forEach(function(key) {
if(data[key] != undefined) {
data[key].forEach(function(val) {
var href = url + encodeURI(val);
html += `<a href="${href}" target="_blank">${val}</a> `;
})
}
})
html += "</div>";
dialog.insertAdjacentHTML('beforeend', html)
}
}
// fix title for soem sites.
if(fixtitle) {
document.title = data["title"];
}
}, delaytime);
}
});
}
}
function isPreferLang(offers) {
var languages = window.navigator.userLanguage || window.navigator.languages || [window.navigator.language];
var ret = false;
languages.forEach(function(lang) {
if(offers.includes(lang)) {
ret = true;
}
})
return ret;
}
function inject () {
var div = document.createElement('div');
div.id = "libraryhelper";
div.className = "libraryhelper";
div.textContent = 'Library helper';
// Make the DIV element draggable:
dragElement(div);
document.body.appendChild(div);
var style = document.createElement('style');
style.innerHTML = `
div.libraryhelper {
color: blueviolet;
border: 1px solid #d3d3d3;
background-color: rgba(255, 255, 255, 0.6);
position: fixed;
top: 150px;
right: 0px;
width: 30vw;
max-height: 50vh;
padding: 10px;
overflow-x: scroll;
cursor: move;
z-index: 9999;
}
`;
document.head.appendChild(style);
return div;
}
function dragElement(elmnt) {
var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
if (document.getElementById(elmnt.id + "header")) {
// if present, the header is where you move the DIV from:
document.getElementById(elmnt.id + "header").onmousedown = dragMouseDown;
} else {
// otherwise, move the DIV from anywhere inside the DIV:
elmnt.onmousedown = dragMouseDown;
}
function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
// get the mouse cursor position at startup:
pos3 = e.clientX;
pos4 = e.clientY;
document.onmouseup = closeDragElement;
// call a function whenever the cursor moves:
document.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
// calculate the new cursor position:
pos1 = pos3 - e.clientX;
pos2 = pos4 - e.clientY;
pos3 = e.clientX;
pos4 = e.clientY;
// set the element's new position:
elmnt.style.top = (elmnt.offsetTop - pos2) + "px";
elmnt.style.left = (elmnt.offsetLeft - pos1) + "px";
}
function closeDragElement() {
// stop moving when mouse button is released:
document.onmouseup = null;
document.onmousemove = null;
}
}
function evaluate(xpath, doc = document.documentElement) {
var evaluator = new XPathEvaluator();
var result = evaluator.evaluate(xpath, doc, null, XPathResult.ANY_TYPE, null);
var node = undefined;
var texts = [];
while(node = result.iterateNext()) {
var text;
if (node instanceof Attr) {
text = node.value
} else {
text = node.innerText;
}
if(text == undefined || text == 'null') {
console.error(xpath + " not found on " + document.URL);
continue;
}
// fixing up content
text = text.replace("ISBN：", "").
replace("作者 :", "").
replace("出版日期：", "").
replace(" (電子書)", "");
const subtitles = text.split('：');
if(subtitles.length > 1) {
texts.push(subtitles[0]);
}
texts.push(text);
}
return texts;
}
})();