/* globals waitForKeyElements */
// ==UserScript==
// @name DDB Book Downloader
// @namespace http://tampermonkey.net/
// @version 0.1.9
// @description Save your DBB books to PDF!
// @author rsminsmith (Adapted from C T Zaran, print styling from /u/Ninjaen37)
// @match https://www.dndbeyond.com/sources/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=dndbeyond.com
// @grant none
// @downloadURL none
// ==/UserScript==
(function() {
'use strict';
const minPageDelay = 0; // Time to wait between each page. Increase if you're getting bot detected
const maxPageDelay = 0;
let bookHTML = '';
// Get necessary URL components
const slug = document.location.pathname;
const urlParts = slug.split('/');
if (urlParts[1] != 'sources') {
console.info('DNDBeyondPdf: Not a source page');
return;
}
// If this is a subpage, only worry about indexing it
const tocHeaderEl = document.querySelector('.compendium-toc-full-header');
if (!tocHeaderEl) {
console.info('DNDBeyondPdf: Not a ToC page, ignoring');
return;
}
// Build helper container and button elements
const buttonContainer = document.createElement('div');
buttonContainer.style.display = 'inline-block';
buttonContainer.style.float = 'right';
// Build buttons
const resetButton = document.createElement('button');
resetButton.classList.add('reset-pdf');
resetButton.textContent = 'Reset Cache';
resetButton.type = 'button';
const pdfButton = document.createElement('button');
pdfButton.classList.add('generate-pdf');
pdfButton.textContent = 'Generate PDF';
pdfButton.type = 'button';
// Spelljammer has 3 books on one page; need to export them individually
if (slug === '/sources/sais') {
buttonContainer.style.backgroundColor = 'yellow';
buttonContainer.style.color = 'black';
buttonContainer.style.padding = '0.5em';
buttonContainer.textContent = 'Navigate to each book within Spelljammer to generate PDF';
} else {
// Otherwise append generate and reset buttons
buttonContainer.append(pdfButton);
buttonContainer.append(resetButton);
}
// Attach buttons to header
tocHeaderEl.prepend(buttonContainer);
// Handle PDF generation
pdfButton.onclick = async function() {
// Update the button
pdfButton.textContent = 'Generating...';
pdfButton.disabled = true;
// Only fetch data if needed
if (!bookHTML) {
// Get book info
const bookTitle = document.title;
// Pull all links in ToC and filter out the ones that aren't needed
let tocLinkEls = document.querySelectorAll('.compendium-toc-full-text a');
let validPages = [];
let pageNames = {};
for (const a of tocLinkEls) {
let href = a.href.replace(/#.*$/, ''); // remove the fragment from the url if any.
if (validPages.includes(href)) continue; // skip duplicates
validPages.push(href);
pageNames[href] = a.textContent;
}
// Create initial page HTML
bookHTML = '' +
''+
'' +
'' +
'' + bookTitle + '' +
'' +
'' +
'' +
'' +
'' +
'' +
'
';
// Replace ToC links with internal links
const baseUrl = 'https://www.dndbeyond.com/sources/';
let tocEl = document.querySelector('.compendium-toc-full-text').cloneNode(true);
tocEl.querySelectorAll('a[href]').forEach((tocAEl) => {
// Get the link, remove the irrelevant pieces and any anchor tags
let sectionName = tocAEl.href.replace(baseUrl, '');
const anchorPos = sectionName.indexOf('#');
if (anchorPos >= 0) {
sectionName = sectionName.substring(0, anchorPos);
}
const slugPieces = sectionName.split('/');
const pageName = slugPieces[slugPieces.length - 1];
const isImage = sectionName.indexOf('.jpg') >= 0 || sectionName.indexOf('.png') >= 0;
// Update the link to point to the generated internal section
if (isImage) {
const imageTitle = pageNames[sectionName];
const imageName = imageTitle.toLowerCase().replace(' ', '_');
tocAEl.href = '#section-' + imageName;
} else {
tocAEl.href = '#section-' + pageName;
}
});
// Finish ToC
bookHTML += tocEl.outerHTML + '
';
// Loop through each page with a delay and store the contents by slug
const numPages = validPages.length;
let currentPage = 0;
for (const page of validPages) {
// Update button
currentPage += 1;
pdfButton.textContent = `Generating (${currentPage}/${numPages})...`;
// Get page info
const slugPieces = page.split('/');
const pageName = slugPieces[slugPieces.length - 1];
const isImage = pageName.indexOf('.jpg') >= 0 || pageName.indexOf('.png') >= 0;
// Handle image links
if (isImage) {
console.info('DNDBeyondPdf: Including image ', page);
const imageTitle = pageNames[page];
const sectionName = imageTitle.toLowerCase().replace(' ', '_');
bookHTML += '