mirror of
https://github.com/streetwriters/notesnook.git
synced 2026-09-02 20:21:19 +02:00
54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
/*
|
|
This file is part of the Notesnook project (https://notesnook.com/)
|
|
|
|
Copyright (C) 2023 Streetwriters (Private) Limited
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
const cache: Record<
|
|
string,
|
|
{
|
|
ttl: number;
|
|
value: any;
|
|
cachedAt: number;
|
|
}
|
|
> = {};
|
|
export async function read<T>(key: string, fallback: T) {
|
|
const cached = cache[key];
|
|
if (cached && cached.ttl > Date.now() - cached.cachedAt) {
|
|
return cached.value as T;
|
|
}
|
|
const value = (await provider).read<T>(key, fallback);
|
|
cache[key] = {
|
|
ttl: 60 * 60 * 1000,
|
|
value,
|
|
cachedAt: Date.now()
|
|
};
|
|
return value;
|
|
}
|
|
|
|
export async function write<T>(key: string, data: T) {
|
|
if (cache[key]) {
|
|
cache[key].value = data;
|
|
cache[key].cachedAt = Date.now();
|
|
}
|
|
return (await provider).write<T>(key, data);
|
|
}
|
|
|
|
const provider = selectProvider();
|
|
async function selectProvider() {
|
|
return await import("./kv").catch(() => import("./fs"));
|
|
}
|