47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import * as Misskey from 'misskey-js';
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import { misskeyApi } from '@/scripts/misskey-api.js';
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import { miLocalStorage } from '@/local-storage.js';
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// TODO: 他のタブと永続化されたstateを同期
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//#region loader
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const providedMetaEl = document.getElementById('misskey_meta');
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let cachedMeta = miLocalStorage.getItem('instance') ? JSON.parse(miLocalStorage.getItem('instance')!) : null;
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let cachedAt = miLocalStorage.getItem('instanceCachedAt') ? parseInt(miLocalStorage.getItem('instanceCachedAt')!) : 0;
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const providedMeta = providedMetaEl && providedMetaEl.textContent ? JSON.parse(providedMetaEl.textContent) : null;
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const providedAt = providedMetaEl && providedMetaEl.dataset.generatedAt ? parseInt(providedMetaEl.dataset.generatedAt) : 0;
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if (providedAt > cachedAt) {
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miLocalStorage.setItem('instance', JSON.stringify(providedMeta));
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miLocalStorage.setItem('instanceCachedAt', providedAt.toString());
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cachedMeta = providedMeta;
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cachedAt = providedAt;
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}
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//#endregion
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let metadata: Misskey.entities.MetaDetailed | null = cachedMeta ?? null;
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// TODO: 短時間に複数回呼ばれてもリクエストは一回だけにする
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export async function fetchServerMetadata(force = false): Promise<Misskey.entities.MetaDetailed> {
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if (!force && metadata != null) {
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if (Date.now() - cachedAt < 1000 * 60 * 60) {
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return metadata;
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}
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}
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metadata = await misskeyApi('meta', {
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detail: true,
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});
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cachedAt = Date.now();
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miLocalStorage.setItem('instance', JSON.stringify(metadata));
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miLocalStorage.setItem('instanceCachedAt', Date.now().toString());
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return metadata!;
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}
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