45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
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import { MatrixClient } from 'matrix-js-sdk';
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import { getAccountData } from '../utils/room';
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import { IEmoji, emojis } from './emoji';
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import { AccountDataEvent } from '../../types/matrix/accountData';
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type EmojiUnicode = string;
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type EmojiUsageCount = number;
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export type IRecentEmojiContent = {
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recent_emoji?: [EmojiUnicode, EmojiUsageCount][];
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};
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export const getRecentEmojis = (mx: MatrixClient, limit?: number): IEmoji[] => {
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const recentEmojiEvent = getAccountData(mx, AccountDataEvent.ElementRecentEmoji);
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const recentEmoji = recentEmojiEvent?.getContent<IRecentEmojiContent>().recent_emoji;
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if (!Array.isArray(recentEmoji)) return [];
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return recentEmoji
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.sort((e1, e2) => e2[1] - e1[1])
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.slice(0, limit)
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.reduce<IEmoji[]>((list, [unicode]) => {
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const emoji = emojis.find((e) => e.unicode === unicode);
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if (emoji) list.push(emoji);
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return list;
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}, []);
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};
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export function addRecentEmoji(mx: MatrixClient, unicode: string) {
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const recentEmojiEvent = getAccountData(mx, AccountDataEvent.ElementRecentEmoji);
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const recentEmoji = recentEmojiEvent?.getContent<IRecentEmojiContent>().recent_emoji ?? [];
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const emojiIndex = recentEmoji.findIndex(([u]) => u === unicode);
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let entry: [EmojiUnicode, EmojiUsageCount];
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if (emojiIndex < 0) {
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entry = [unicode, 1];
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} else {
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[entry] = recentEmoji.splice(emojiIndex, 1);
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entry[1] += 1;
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}
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recentEmoji.unshift(entry);
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mx.setAccountData(AccountDataEvent.ElementRecentEmoji, {
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recent_emoji: recentEmoji.slice(0, 100),
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});
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}
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