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Support asciicast files as new markup (#22448)

Browse source 
Support [asciicast
files](https://github.com/asciinema/asciinema/blob/develop/doc/asciicast-v2.md)
as a new markup via
[asciinema-player](https://github.com/asciinema/asciinema-player). For
more on asciinema, see the [introduction](https://asciinema.org/).

So users can use asciinema recorder to generate an asciicast file (or
you can download a sample file from
https://asciinema.org/a/335480.cast?dl=1), then upload it to Gitea and
play it on Gitea.

Snapshots:
<details>

## Upload asciicast files

<img width="1134" alt="image"
src="https://user-images.githubusercontent.com/9418365/212461061-cc2c7181-0e14-4534-af55-1ec60a639fd1.png">

## Open an asciicast file

<img width="1137" alt="image"
src="https://user-images.githubusercontent.com/9418365/212461090-a3b5141f-4894-430d-a2b4-ea257801a0ed.png">

## Play it

<img width="1144" alt="image"
src="https://user-images.githubusercontent.com/9418365/212461157-4e82db69-0e41-471d-928f-ac1fe0737105.png">

## Copy contents from the "video"

<img width="1145" alt="image"
src="https://user-images.githubusercontent.com/9418365/212461286-211612bc-15d6-427a-89a9-6abff5c6a0a5.png">


## View the source

<img width="1140" alt="image"
src="https://user-images.githubusercontent.com/9418365/212461187-05473b2d-ba3d-4072-84a6-4aa1e7d82182.png">


</details>

Known issue:

Don't support the [v1 version asciicast
files](https://github.com/asciinema/asciinema/blob/develop/doc/asciicast-v1.md),
it's a poorly designed version, it does not specify the file extension
and uses `*.json` usually, so it's impossible to recognize the files.

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
Jason Song 2023-01-18 08:46:58 +08:00 • committed by GitHub
parent de484e86bc
commit d9f748a700
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14
web_src/js/markup/asciicast.js Normal file
View file

@ -0,0 +1,14 @@
export async function renderAsciinemaPlayer() {
const els = document.querySelectorAll('.asciinema-player-container');
if (!els.length) return;
const player = await import(/* webpackChunkName: "asciinema-player" */'asciinema-player');
for (const el of els) {
player.create(el.getAttribute('data-asciinema-player-src'), el, {
// poster (a preview frame) to display until the playback is started.
// Set it to 1 hour (also means the end if the video is shorter) to make the preview frame show more.
poster: 'npt:1:0:0',
});
}
}

2
web_src/js/markup/content.js
View file

@ -1,6 +1,7 @@
import {renderMermaid} from './mermaid.js';
import {renderMath} from './math.js';
import {renderCodeCopy} from './codecopy.js';
import {renderAsciinemaPlayer} from './asciicast.js';
import {initMarkupTasklist} from './tasklist.js';
// code that runs for all markup content
@ -8,6 +9,7 @@ export function initMarkupContent() {
renderMermaid();
renderMath();
renderCodeCopy();
renderAsciinemaPlayer();
}
// code that only runs for comments