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、
|
|
// indexedDBが使えない環境ではlocalStorageを使う
|
|
import {
|
|
get as iget,
|
|
set as iset,
|
|
del as idel,
|
|
} from 'idb-keyval';
|
|
|
|
const fallbackName = (key: string) => `idbfallback::${key}`;
|
|
|
|
let idbAvailable = typeof window !== 'undefined' ? !!window.indexedDB : true;
|
|
|
|
if (idbAvailable) {
|
|
iset('idb-test', 'test').catch(err => {
|
|
console.error('idb error', err);
|
|
console.error('indexedDB is unavailable. It will use localStorage.');
|
|
idbAvailable = false;
|
|
});
|
|
} else {
|
|
console.error('indexedDB is unavailable. It will use localStorage.');
|
|
}
|
|
|
|
export async function get(key: string) {
|
|
if (idbAvailable) return iget(key);
|
|
return JSON.parse(localStorage.getItem(fallbackName(key)));
|
|
}
|
|
|
|
export async function set(key: string, val: any) {
|
|
if (idbAvailable) return iset(key, val);
|
|
return localStorage.setItem(fallbackName(key), JSON.stringify(val));
|
|
}
|
|
|
|
export async function del(key: string) {
|
|
if (idbAvailable) return idel(key);
|
|
return localStorage.removeItem(fallbackName(key));
|
|
}
|