vojo/src/app/plugins/recent-emoji.ts

49 lines
1.7 KiB
TypeScript

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