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8d06a6475e
* chore: 著作権とライセンスについての情報を各ファイルに追加する * chore: Add the SPDX information to each file Add copyright and licensing information as defined in version 3.0 of the REUSE Specification. * tweak format --------- Co-authored-by: syuilo <Syuilotan@yahoo.co.jp> * chore: Add SPDX-License-Identifier [skip ci] * add missing SPDX-License-Identifier * remove unused file --------- Co-authored-by: Shun Sakai <sorairolake@protonmail.ch> Co-authored-by: syuilo <Syuilotan@yahoo.co.jp> Co-authored-by: Chocolate Pie <106949016+chocolate-pie@users.noreply.github.com>
43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and other misskey contributors
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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// FirefoxのプライベートモードなどではindexedDBが使用不可能なので、
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// indexedDBが使えない環境ではlocalStorageを使う
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import {
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get as iget,
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set as iset,
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del as idel,
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} from 'idb-keyval';
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const fallbackName = (key: string) => `idbfallback::${key}`;
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let idbAvailable = typeof window !== 'undefined' ? !!(window.indexedDB && window.indexedDB.open) : true;
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if (idbAvailable) {
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await iset('idb-test', 'test')
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.catch(err => {
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console.error('idb error', err);
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console.error('indexedDB is unavailable. It will use localStorage.');
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idbAvailable = false;
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});
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} else {
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console.error('indexedDB is unavailable. It will use localStorage.');
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}
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export async function get(key: string) {
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if (idbAvailable) return iget(key);
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return JSON.parse(window.localStorage.getItem(fallbackName(key)));
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}
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export async function set(key: string, val: any) {
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if (idbAvailable) return iset(key, val);
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return window.localStorage.setItem(fallbackName(key), JSON.stringify(val));
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}
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export async function del(key: string) {
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if (idbAvailable) return idel(key);
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return window.localStorage.removeItem(fallbackName(key));
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}
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