https://symfony.com/assets/asciinema-player-B0DUnCB.js

1import * as AsciinemaPlayer from 'asciinema-player';
2
3window.addEventListener('DOMContentLoaded', () => {
4    document.querySelectorAll('asciinema-player').forEach((playerElement) => {
5        AsciinemaPlayer.create(playerElement.getAttribute('src'), playerElement, {
6            controls: playerElement.getAttribute('controls') || false,
7            cols: playerElement.getAttribute('cols') || 80,
8            rows: playerElement.getAttribute('rows') || 22,
9            autoplay: playerElement.getAttribute('autoplay') || true,
10            loop: 'true' === playerElement.getAttribute('loop') || true,
11            speed: playerElement.getAttribute('speed') || 1,
12            theme: playerElement.getAttribute('theme') || 'symfony',
13            terminalFontSize: playerElement.getAttribute('font-size') || 'small',
14            fit: false,
15        });
16    });
17});