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