feat: Replace build.py with JSX-based webpack-native book index generation
Port the Python HTML-generation script to a React component (src/BookIndex.jsx) rendered at build time via renderToStaticMarkup, removing the need to run build.py separately before webpack. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
312
src/BookIndex.jsx
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312
src/BookIndex.jsx
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import React from 'react';
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const INLINE_CSS = `
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/* Reset body to a layout container (book-page.css targets body for page content) */
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html, body {
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height: 100vh;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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padding: 0;
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max-width: unset;
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margin: 0;
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background-image: none;
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}
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#layout {
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display: flex;
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flex: 1;
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overflow: hidden;
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}
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/* ── Sidebar ── */
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#sidebar {
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width: 270px;
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flex-shrink: 0;
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display: flex;
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flex-direction: column;
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background: var(--surface);
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border-right: 1px solid var(--border-bright);
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overflow: hidden;
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}
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#sidebar-header {
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padding: 14px 16px;
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background: var(--surface2);
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border-bottom: 1px solid var(--border-bright);
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flex-shrink: 0;
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}
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#sidebar-header p {
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font-family: var(--font-mono);
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font-size: 0.7rem;
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color: var(--text-dim);
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margin-top: 4px;
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}
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#page-list {
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flex: 1;
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overflow-y: auto;
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list-style: none;
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padding: 4px 0;
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}
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#page-list li button {
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width: 100%;
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text-align: left;
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padding: 6px 14px;
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background: none;
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border: none;
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cursor: pointer;
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color: var(--text-dim);
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font-family: var(--font-body);
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font-size: 0.88rem;
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display: flex;
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gap: 10px;
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align-items: baseline;
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transition: background 0.15s, color 0.15s;
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}
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#page-list li button:hover {
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background: var(--surface2);
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color: var(--text);
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}
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#page-list li.active button {
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background: var(--surface3);
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color: var(--teal);
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}
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.page-num {
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flex-shrink: 0;
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min-width: 24px;
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font-family: var(--font-mono);
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font-size: 0.72rem;
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color: var(--border-bright);
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}
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li.active .page-num {
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color: var(--teal-dim);
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}
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/* ── Main area ── */
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#main {
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flex: 1;
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display: flex;
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flex-direction: column;
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overflow: hidden;
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}
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/* ── Nav bar ── */
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#nav {
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display: flex;
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align-items: center;
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gap: 10px;
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padding: 10px 20px;
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background: var(--surface);
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border-bottom: 1px solid var(--border-bright);
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flex-shrink: 0;
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}
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#page-title {
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flex: 1;
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text-align: center;
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font-family: var(--font-display);
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font-size: 0.65rem;
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letter-spacing: 0.12em;
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text-transform: uppercase;
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color: var(--text);
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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#page-indicator {
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font-family: var(--font-mono);
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font-size: 0.72rem;
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color: var(--text-dim);
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white-space: nowrap;
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}
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/* ── Scrollable content ── */
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#content {
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flex: 1;
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overflow-y: auto;
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background: var(--bg);
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background-image:
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radial-gradient(ellipse at 20% 10%, rgba(78,205,196,.04) 0%, transparent 50%),
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radial-gradient(ellipse at 80% 90%, rgba(201,168,76,.04) 0%, transparent 50%);
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}
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/* ── Page sections ── */
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.page-section {
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max-width: 860px;
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margin: 0 auto;
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padding: 32px;
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border-bottom: 1px solid var(--border);
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}
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.page-section:last-child {
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border-bottom: none;
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min-height: calc(100vh - 80px);
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}
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/* Override book-page.css header rule inside sections */
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.page-section header {
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border-bottom: 1px solid var(--border);
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padding-bottom: 0.8em;
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margin-bottom: 1.4em;
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}
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`;
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function buildScript(pageNums) {
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return `
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const PAGES = [${pageNums.join(',')}];
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const total = PAGES.length;
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let currentIdx = 0;
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const content = document.getElementById('content');
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const btnPrev = document.getElementById('btn-prev');
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const btnNext = document.getElementById('btn-next');
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const indicator = document.getElementById('page-indicator');
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const titleEl = document.getElementById('page-title');
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function updateNav(idx, push) {
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if (idx === currentIdx && indicator.textContent) return;
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currentIdx = idx;
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const n = PAGES[idx];
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indicator.textContent = (idx + 1) + ' / ' + total;
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titleEl.textContent = 'Page ' + n;
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btnPrev.disabled = idx === 0;
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btnNext.disabled = idx === total - 1;
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document.querySelectorAll('#page-list li').forEach(li => {
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li.classList.toggle('active', Number(li.dataset.page) === n);
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});
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document.querySelector('#page-list li[data-page="' + n + '"]')
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?.scrollIntoView({ block: 'nearest' });
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if (push) history.pushState(null, '', '#page-' + n);
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else history.replaceState(null, '', '#page-' + n);
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}
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function goTo(n, smooth, push) {
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const idx = PAGES.indexOf(n);
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if (idx === -1) return;
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const sec = document.getElementById('page-' + n);
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if (!sec) return;
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sec.scrollIntoView({ behavior: smooth ? 'smooth' : 'instant', block: 'start' });
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updateNav(idx, push);
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}
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btnPrev.addEventListener('click', () => { if (currentIdx > 0) goTo(PAGES[currentIdx - 1], true, true); });
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btnNext.addEventListener('click', () => { if (currentIdx < total - 1) goTo(PAGES[currentIdx + 1], true, true); });
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document.getElementById('page-list').addEventListener('click', e => {
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const li = e.target.closest('li[data-page]');
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if (li) goTo(Number(li.dataset.page), false, true);
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});
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document.addEventListener('keydown', e => {
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if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
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if (e.key === 'ArrowLeft' || e.key === 'ArrowUp') { if (currentIdx > 0) goTo(PAGES[currentIdx - 1], true, true); }
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if (e.key === 'ArrowRight' || e.key === 'ArrowDown') { if (currentIdx < total - 1) goTo(PAGES[currentIdx + 1], true, true); }
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});
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// Track current page by scroll position (replaceState — no new history entry)
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content.addEventListener('scroll', () => {
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const containerTop = content.getBoundingClientRect().top;
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let found = 0;
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for (let i = 0; i < PAGES.length; i++) {
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const sec = document.getElementById('page-' + PAGES[i]);
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if (sec && sec.getBoundingClientRect().top - containerTop <= 40) found = i;
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else break;
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}
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if (found !== currentIdx) updateNav(found, false);
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}, { passive: true });
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// Browser back/forward
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window.addEventListener('popstate', () => {
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const pm = location.hash.match(/^#page-(\\d+)$/);
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if (pm) {
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const n = parseInt(pm[1], 10);
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if (PAGES.includes(n)) goTo(n, false, false);
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}
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});
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// Initial navigation from URL hash
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const m = location.hash.match(/^#page-(\\d+)$/);
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const startPage = m ? parseInt(m[1], 10) : PAGES[0];
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goTo(PAGES.includes(startPage) ? startPage : PAGES[0], false, false);
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`;
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}
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export default function BookIndex({ title, logoText, pages }) {
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const pageNums = pages.map(p => p.n);
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return (
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<html lang="en">
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<head>
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<meta charSet="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>{title}</title>
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<link
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href="https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Crimson+Text:ital,wght@0,400;0,600;1,400&family=Inconsolata:wght@400;600&display=swap"
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rel="stylesheet"
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/>
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<link rel="stylesheet" href="/css/book-page.css" />
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<style dangerouslySetInnerHTML={{ __html: INLINE_CSS }} />
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</head>
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<body>
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<header>
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<div className="logo">{logoText}</div>
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<div className="toolbar">
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<span id="page-indicator"></span>
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</div>
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</header>
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<div id="layout">
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<nav id="sidebar">
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<div id="sidebar-header">
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<div
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className="section-title"
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style={{ marginBottom: 0, borderBottom: 'none', paddingBottom: 0 }}
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>
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<span className="icon">✦</span> Pages
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</div>
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<p>{pages.length} pages</p>
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</div>
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<ul id="page-list">
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{pages.map(({ n }) => (
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<li key={n} data-page={n}>
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<button>
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<span className="page-num">{n}</span>
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<span>Page {n}</span>
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</button>
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</li>
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))}
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</ul>
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</nav>
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<div id="main">
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<div id="nav">
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<button id="btn-prev" className="tab" disabled>← Prev</button>
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<span id="page-title"></span>
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<button id="btn-next" className="tab">Next →</button>
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</div>
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<div id="content">
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{pages.map(({ n, content }) => (
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<section
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key={n}
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id={`page-${n}`}
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className="page-section"
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dangerouslySetInnerHTML={{ __html: content }}
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/>
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))}
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</div>
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</div>
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</div>
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<script dangerouslySetInnerHTML={{ __html: buildScript(pageNums) }} />
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</body>
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</html>
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);
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}
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