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ebedb81e3f
Maybe fixed #9769
37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
// 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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