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

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/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { shallowRef, computed, markRaw, watch } from 'vue';
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import * as Misskey from 'misskey-js';
import { api, apiGet } from './os';
import { useStream } from '@/stream';
import { get, set, exist } from '@/scripts/idb-proxy';
const storageCache = await get('emojis');
export const customEmojis = shallowRef<Misskey.entities.CustomEmoji[]>(Array.isArray(storageCache) ? storageCache : []);
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export const customEmojiCategories = computed<[ ...string[], null ]>(() => {
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const categories = new Set<string>();
for (const emoji of customEmojis.value) {
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if (emoji.category && emoji.category !== 'null') {
categories.add(emoji.category);
}
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}
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return markRaw([...Array.from(categories), null]);
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});
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export const customEmojisMap = new Map<string, Misskey.entities.CustomEmoji>();
watch(customEmojis, emojis => {
customEmojisMap.clear();
for (const emoji of emojis) {
customEmojisMap.set(emoji.name, emoji);
}
}, { immediate: true });
// TODO: ここら辺副作用なのでいい感じにする
const stream = useStream();
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stream.on('emojiAdded', emojiData => {
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customEmojis.value = [emojiData.emoji, ...customEmojis.value];
set('emojis', customEmojis.value);
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});
stream.on('emojiUpdated', emojiData => {
customEmojis.value = customEmojis.value.map(item => emojiData.emojis.find(search => search.name === item.name) as Misskey.entities.CustomEmoji ?? item);
set('emojis', customEmojis.value);
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});
stream.on('emojiDeleted', emojiData => {
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customEmojis.value = customEmojis.value.filter(item => !emojiData.emojis.some(search => search.name === item.name));
set('emojis', customEmojis.value);
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});
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export async function fetchCustomEmojis(force = false) {
const now = Date.now();
let res;
if (force) {
res = await api('emojis', {});
} else {
const emojiCacheExist = await exist('emojis');
const lastFetchedAt = await get('lastEmojisFetchedAt');
if (lastFetchedAt && (now - lastFetchedAt) < 1000 * 60 * 60 && emojiCacheExist) return;
res = await apiGet('emojis', {});
}
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customEmojis.value = res.emojis;
set('emojis', res.emojis);
set('lastEmojisFetchedAt', now);
}
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;
}