misskey/packages/frontend/src/custom-emojis.ts
tamaina f2a9194c79 ✌️
2023-01-16 10:13:19 +00:00

51 lines
1.4 KiB
TypeScript

import { apiGet } from './os';
import { miLocalStorage } from './local-storage';
import { shallowRef } from 'vue';
import * as Misskey from 'misskey-js';
const storageCache = miLocalStorage.getItem('emojis');
export const customEmojis = shallowRef<Misskey.entities.CustomEmoji[]>(storageCache ? JSON.parse(storageCache) : []);
fetchCustomEmojis();
window.setInterval(fetchCustomEmojis, 1000 * 60 * 10);
export async function fetchCustomEmojis() {
const now = Date.now();
const lastFetchedAt = miLocalStorage.getItem('lastEmojisFetchedAt');
if (lastFetchedAt && (now - parseInt(lastFetchedAt)) < 1000 * 60) return;
const res = await apiGet('emojis', {});
customEmojis.value = res.emojis;
miLocalStorage.setItem('emojis', JSON.stringify(res.emojis));
miLocalStorage.setItem('lastEmojisFetchedAt', now.toString());
}
let cachedCategories;
export function getCustomEmojiCategories() {
if (cachedCategories) return cachedCategories;
const categories = new Set();
for (const emoji of customEmojis.value) {
categories.add(emoji.category);
}
const res = Array.from(categories);
cachedCategories = res;
return res;
}
let cachedTags;
export function getCustomEmojiTags() {
if (cachedTags) return cachedTags;
const tags = new Set();
for (const emoji of customEmojis.value) {
for (const tag of emoji.aliases) {
tags.add(tag);
}
}
const res = Array.from(tags);
cachedTags = res;
return res;
}