fezcode.github.io/src/pages/snf-v3/SnfV3ReadPage.jsx at main · fezcode/fezcode.github.io

History

368 lines (345 loc) · 13.1 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

import React, {

useEffect,

useLayoutEffect,

useMemo,

useRef,

useState,

useCallback,

} from 'react';

import { Link, useNavigate, useParams, useSearchParams } from 'react-router-dom';

import { motion, AnimatePresence } from 'framer-motion';

import ReactMarkdown from 'react-markdown';

import rehypeRaw from 'rehype-raw';

import {

CaretLeftIcon,

CaretRightIcon,

ListBulletsIcon,

TextAaIcon,

CheckIcon,

} from '@phosphor-icons/react';

import SnfV3Root from '../../components/snf-v3/SnfV3Root';

import SnfV3Prefs from '../../components/snf-v3/SnfV3Prefs';

import Seo from '../../components/Seo';

import { useSnfV3 } from '../../context/SnfV3Context';

import { useBooks, useEpisodeText } from '../../hooks/useStoriesData';

const SnfV3ReadPage = () => {

const { bookId, episodeId } = useParams();

const { language, settings } = useSnfV3();

const { data: books } = useBooks(language);

const navigate = useNavigate();

const [params] = useSearchParams();

const tr = language === 'tr';

const [prefsOpen, setPrefsOpen] = useState(false);

const [contentsOpen, setContentsOpen] = useState(false);

const book = useMemo(

() => (books || []).find((b) => Number(b.bookId) === Number(bookId)),

[books, bookId],

);

const idx = book

? book.episodes.findIndex((e) => Number(e.id) === Number(episodeId))

: -1;

const episode = idx >= 0 ? book.episodes[idx] : null;

const prev = idx > 0 ? book.episodes[idx - 1] : null;

const next =

book && idx >= 0 && idx < book.episodes.length - 1

? book.episodes[idx + 1]

: null;

const volTitle = book?.bookTitle.replace(/^Volume\s+[IVX]+:\s*/i, '');

const { text, loading } = useEpisodeText(episode?.filename);

// ----- pagination -----

const viewportRef = useRef(null);

const flowRef = useRef(null);

const [vp, setVp] = useState({ w: 0, h: 0 });

const [pages, setPages] = useState(1);

const [page, setPage] = useState(0);

const [fontsTick, setFontsTick] = useState(0);

const startAtEnd = useRef(params.get('p') === 'last');

const layout = useMemo(() => {

const w = vp.w;

const spread = w >= 820;

const margin = spread ? 56 : 30;

const gap = margin * 2;

const contentW = Math.max(0, w - margin * 2);

const colW = spread ? Math.floor((contentW - gap) / 2) : contentW;

return { spread, margin, gap, colW };

}, [vp.w]);

useEffect(() => {

if (!viewportRef.current) return undefined;

const ro = new ResizeObserver((entries) => {

const r = entries[0].contentRect;

setVp({ w: Math.round(r.width), h: Math.round(r.height) });

});

ro.observe(viewportRef.current);

return () => ro.disconnect();

}, []);

useEffect(() => {

if (!document.fonts?.ready) return;

document.fonts.ready.then(() => setFontsTick((t) => t + 1));

}, []);

// measure page count after layout

useLayoutEffect(() => {

const flow = flowRef.current;

if (!flow || vp.w === 0) return;

const total = flow.scrollWidth;

const count = Math.max(1, Math.round(total / vp.w));

setPages(count);

setPage((p) => {

if (startAtEnd.current) {

startAtEnd.current = false;

return count - 1;

}

return Math.min(p, count - 1);

});

}, [text, vp.w, vp.h, settings.size, settings.typeface, settings.theme, fontsTick, layout]);

// reset to first page on chapter change

useEffect(() => {

if (!startAtEnd.current) setPage(0);

}, [episode?.filename]);

const turn = useCallback(

(dir) => {

if (dir > 0) {

if (page < pages - 1) setPage(page + 1);

else if (next) navigate(`/bookshelf/read/${bookId}/${next.id}`);

} else if (page > 0) setPage(page - 1);

else if (prev) navigate(`/bookshelf/read/${bookId}/${prev.id}?p=last`);

[page, pages, next, prev, navigate, bookId],

);

useEffect(() => {

const onKey = (e) => {

if (prefsOpen || contentsOpen) return;

if (e.key === 'ArrowRight') turn(1);

else if (e.key === 'ArrowLeft') turn(-1);

};

window.addEventListener('keydown', onKey);

return () => window.removeEventListener('keydown', onKey);

}, [turn, prefsOpen, contentsOpen]);

// swipe

const touch = useRef(null);

const onTouchStart = (e) => {

touch.current = e.changedTouches[0].clientX;

};

const onTouchEnd = (e) => {

if (touch.current == null) return;

const dx = e.changedTouches[0].clientX - touch.current;

if (Math.abs(dx) > 45) turn(dx < 0 ? 1 : -1);

touch.current = null;

};

const flowStyle = {

height: vp.h ? `${vp.h}px` : '100%',

width: '100%',

maxWidth: 'none',

margin: 0,

columnWidth: layout.colW ? `${layout.colW}px` : 'auto',

columnGap: `${layout.gap}px`,

columnFill: 'auto',

padding: `${layout.spread ? 52 : 38}px ${layout.margin}px`,

boxSizing: 'border-box',

transform: `translateX(-${page * vp.w}px)`,

transition: 'transform 0.42s cubic-bezier(0.4, 0, 0.2, 1)',

willChange: 'transform',

};

return (

<Seo

title={`${episode?.title || 'Reading'} | The Reading Room`}

description={`${episode?.title || ''} — from From Serfs and Frauds.`}

keywords={['serfs and frauds', episode?.title, 'reading']}

{/* leather top bar */}

<span className="hidden sm:inline">{tr ? 'Raf' : 'Shelf'}</span>

</Link>

{volTitle}

</div>

<button

type="button"

className="snf3-bar-btn"

onClick={() => {

setContentsOpen((v) => !v);

setPrefsOpen(false);

}}

aria-label="Contents"

</button>

<button

type="button"

className="snf3-bar-btn"

onClick={() => {

setPrefsOpen((v) => !v);

setContentsOpen(false);

}}

aria-label="Appearance"

</button>

</div>

{prefsOpen && <SnfV3Prefs onClose={() => setPrefsOpen(false)} />}

</AnimatePresence>

{contentsOpen && (

<div className="fixed inset-0 z-40" onClick={() => setContentsOpen(false)} aria-hidden />

<motion.div

initial={{ opacity: 0, y: -10 }}

animate={{ opacity: 1, y: 0 }}

exit={{ opacity: 0, y: -10 }}

className="snf3-sheet absolute left-3 md:left-5 top-full mt-2 z-50 w-80 max-w-[88vw] p-3 max-h-[70vh] overflow-y-auto"

role="dialog"

aria-label="Contents"

<div

className="text-[0.7rem] tracking-[0.18em] uppercase px-2 py-1.5"

style={{ color: 'var(--snf3-sheet-muted)' }}

{tr ? 'İçindekiler' : 'Contents'}

</div>

{(book?.episodes || []).map((ep, i) => {

const active = Number(ep.id) === Number(episodeId);

return (

<Link

key={ep.id}

to={`/bookshelf/read/${book.bookId}/${ep.id}`}

onClick={() => setContentsOpen(false)}

className="snf3-sheet-item flex items-center gap-3 px-2 py-2 rounded-lg"

style={{ color: active ? 'var(--snf3-ribbon)' : 'var(--snf3-sheet-ink)' }}

{i + 1}

</span>

{ep.title}

</span>

{active && <CheckIcon size={14} weight="bold" />}

</Link>

);

})}

</motion.div>

</>

)}

</AnimatePresence>

</div>

{/* the desk + book */}

<div

className="flex-1 min-h-0 relative flex items-stretch justify-center px-3 md:px-12 py-4 md:py-8"

style={{ background: 'var(--snf3-paper-edge)' }}

onTouchStart={onTouchStart}

onTouchEnd={onTouchEnd}

{/* turn zones */}

{page > 0 || prev ? (

<button

type="button"

aria-label="Previous page"

onClick={() => turn(-1)}

className="absolute left-0 top-0 bottom-0 w-[22%] z-20 cursor-w-resize bg-transparent"

) : null}

{page < pages - 1 || next ? (

<button

type="button"

aria-label="Next page"

onClick={() => turn(1)}

className="absolute right-0 top-0 bottom-0 w-[22%] z-20 cursor-e-resize bg-transparent"

) : null}

{/* desktop chevrons */}

<button

type="button"

onClick={() => turn(-1)}

disabled={page === 0 && !prev}

aria-label="Previous"

className="hidden md:flex absolute left-2 md:left-5 top-1/2 -translate-y-1/2 z-30 w-12 h-12 snf3-turn snf3-turn-prev"

</button>

<button

type="button"

onClick={() => turn(1)}

disabled={page === pages - 1 && !next}

aria-label="Next"

className="hidden md:flex absolute right-2 md:right-5 top-1/2 -translate-y-1/2 z-30 w-12 h-12 snf3-turn snf3-turn-next"

</button>

{/* the page surface */}

<div

ref={viewportRef}

className="snf3-page relative w-full max-w-[1600px] rounded-sm overflow-hidden"

{layout.spread && (

<div

className="absolute top-0 bottom-0 left-1/2 -translate-x-1/2 w-10 pointer-events-none"

style={{

background:

'linear-gradient(90deg, transparent, rgba(0,0,0,0.10) 45%, rgba(0,0,0,0.10) 55%, transparent)',

}}

)}

{!episode || loading ? (

{[...Array(9)].map((_, i) => (

<div

key={i}

className="h-4 rounded"

style={{ width: `${60 + ((i * 37) % 36)}%`, background: 'rgba(0,0,0,0.07)' }}

))}

</div>

) : (

<div

className="text-[0.7rem] tracking-[0.24em] uppercase mb-2"

style={{ color: 'var(--snf3-ink-soft)' }}

{tr ? 'Bölüm' : 'Chapter'} {idx + 1}

</div>

<h1

className="leading-tight"

style={{ fontFamily: 'var(--snf3-serif)', fontWeight: 600, fontSize: 'clamp(1.5rem,3.4vw,2.2rem)' }}

{episode.title}

</h1>

{episode.author}

</div>

</header>

</div>

)}

</div>

{/* bottom: page count + progress */}

<div

className="flex-none px-5 py-2.5 flex items-center justify-center gap-4"

style={{ background: 'var(--snf3-paper-edge)' }}

<div

className="snf3-progress-fill"

style={{ width: `${pages > 1 ? ((page + 1) / pages) * 100 : 100}%` }}

</div>

<span

className="text-xs tabular-nums"

style={{ color: 'var(--snf3-ink-soft)', fontFamily: 'var(--snf3-serif)' }}

{tr ? 'Sayfa' : 'Page'} {page + 1} / {pages}

</span>

</div>

</SnfV3Root>

);

};

export default SnfV3ReadPage;

FilesExpand file tree

SnfV3ReadPage.jsx

Latest commit

History

SnfV3ReadPage.jsx

File metadata and controls