ارائه‌ی راست‌به‌چپ با reveal.js

npm create reveal-rtl my-talk        # new presentation (--lang ar | en)
npm install reveal.js reveal-rtl     # existing project
npx reveal-rtl-lint slides/          # Persian text check

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/reveal-rtl@0.5.5/core/rtl.css">
<script src="https://cdn.jsdelivr.net/npm/reveal-rtl@0.5.5/dist/reveal-rtl.js"></script>

Reveal.initialize({
  rtlOptions: { lang: 'fa' },   // 'fa' | 'ar' | 'en'
  plugins: [ RevealRTL() ]
});