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

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