2019-01-30 14:51:30 +09:00
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import { EmojiNode, MfmForest } from '../mfm/types';
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2018-12-20 19:41:04 +09:00
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import { preorderF } from '../prelude/tree';
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import { unique } from '../prelude/array';
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export default function(mfmForest: MfmForest): string[] {
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const emojiNodes = preorderF(mfmForest).filter(x => x.type === 'emoji') as EmojiNode[];
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const emojis = emojiNodes.filter(x => x.props.name && 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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