misskey/packages/frontend/src/custom-emojis.ts

49 lines
1.3 KiB
TypeScript

import { api } from './os';
import { miLocalStorage } from './local-storage';
const storageCache = miLocalStorage.getItem('emojis');
let cached = storageCache ? JSON.parse(storageCache) : null;
export async function getCustomEmojis() {
const now = Date.now();
const lastFetchedAt = miLocalStorage.getItem('lastEmojisFetchedAt');
if (cached && lastFetchedAt && (now - parseInt(lastFetchedAt)) < 1000 * 60 * 60) return cached;
const res = await api('emojis', {});
cached = res.emojis;
miLocalStorage.setItem('emojis', JSON.stringify(cached));
miLocalStorage.setItem('lastEmojisFetchedAt', now.toString());
}
let cachedCategories;
export async function getCustomEmojiCategories() {
if (cachedCategories) return cachedCategories;
const customEmojis = await getCustomEmojis();
const categories = new Set();
for (const emoji of customEmojis) {
categories.add(emoji.category);
}
const res = Array.from(categories);
cachedCategories = res;
return res;
}
let cachedTags;
export async function getCustomEmojiTags() {
if (cachedTags) return cachedTags;
const customEmojis = await getCustomEmojis();
const tags = new Set();
for (const emoji of customEmojis) {
for (const tag of emoji.aliases) {
tags.add(tag);
}
}
const res = Array.from(tags);
cachedTags = res;
return res;
}