mizzkey/src/misc/extract-custom-emojis-from-mfm.ts
syuilo 1f4ae2f63a
Use mfm-js for MFM parsing (#7415)
* wip

* Update mfm.ts

* wip

* update mfmjs

* refactor

* nanka

* Update mfm.ts

* Update to-html.ts

* Update to-html.ts

* wip

* fix test

* fix test
2021-04-02 10:36:11 +09:00

19 lines
513 B
TypeScript

import * as mfm from 'mfm-js';
import { unique } from '@/prelude/array';
export function extractCustomEmojisFromMfm(nodes: mfm.MfmNode[]): string[] {
const emojiNodes = [] as mfm.MfmEmojiCode[];
function scan(nodes: mfm.MfmNode[]) {
for (const node of nodes) {
if (node.type === 'emojiCode') emojiNodes.push(node);
else if (node.children) scan(node.children);
}
}
scan(nodes);
const emojis = emojiNodes.filter(x => x.props.name.length <= 100).map(x => x.props.name!);
return unique(emojis);
}