20 lines
625 B
TypeScript
20 lines
625 B
TypeScript
import { toArray } from '@/misc/prelude/array.js';
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import { isHashtag } from '../type.js';
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import type { IObject, IApHashtag } from '../type.js';
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export function extractApHashtags(tags: IObject | IObject[] | null | undefined) {
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if (tags == null) return [];
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const hashtags = extractApHashtagObjects(tags);
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return hashtags.map(tag => {
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const m = tag.name.match(/^#(.+)/);
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return m ? m[1] : null;
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}).filter((x): x is string => x != null);
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}
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export function extractApHashtagObjects(tags: IObject | IObject[] | null | undefined): IApHashtag[] {
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if (tags == null) return [];
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return toArray(tags).filter(isHashtag);
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}
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