mizzkey/packages/frontend/src/custom-emojis.ts
2023-01-09 16:45:05 +09:00

48 lines
1.2 KiB
TypeScript

import { api } from './os';
import { miLocalStorage } from './local-storage';
const storageCache = miLocalStorage.getItem('emojis');
export let customEmojis = storageCache ? JSON.parse(storageCache) : [];
fetchCustomEmojis();
export async function fetchCustomEmojis() {
const now = Date.now();
const lastFetchedAt = miLocalStorage.getItem('lastEmojisFetchedAt');
if (lastFetchedAt && (now - parseInt(lastFetchedAt)) < 1000 * 60 * 60) return;
const res = await api('emojis', {});
customEmojis = res.emojis;
miLocalStorage.setItem('emojis', JSON.stringify(customEmojis));
miLocalStorage.setItem('lastEmojisFetchedAt', now.toString());
}
let cachedCategories;
export function getCustomEmojiCategories() {
if (cachedCategories) return cachedCategories;
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 function getCustomEmojiTags() {
if (cachedTags) return cachedTags;
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;
}