46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
import { OrderedSet as ImmutableOrderedSet } from 'immutable';
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import type { Account } from 'pl-fe/normalizers';
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/** Convert a plain tag into a badge. */
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const tagToBadge = (tag: string) => `badge:${tag}`;
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/** Convert a badge into a plain tag. */
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const badgeToTag = (badge: string) => badge.replace(/^badge:/, '');
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/** Difference between an old and new set of tags. */
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interface TagDiff {
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/** New tags that were added. */
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added: string[];
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/** Old tags that were removed. */
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removed: string[];
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}
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/** Returns the differences between two sets of tags. */
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const getTagDiff = (oldTags: string[], newTags: string[]): TagDiff => {
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const o = ImmutableOrderedSet(oldTags);
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const n = ImmutableOrderedSet(newTags);
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return {
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added: n.subtract(o).toArray(),
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removed: o.subtract(n).toArray(),
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};
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};
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/** Returns only tags which are badges. */
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const filterBadges = (tags: string[]): string[] => tags.filter(tag => tag.startsWith('badge:'));
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/** Get badges from an account. */
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const getBadges = (account: Pick<Account, '__meta'>) => {
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const tags = account.__meta.pleroma?.tags ?? [];
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return filterBadges(tags);
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};
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export {
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tagToBadge,
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badgeToTag,
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filterBadges,
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getTagDiff,
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getBadges,
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};
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