dnote/browser/src/scripts/utils/storage.ts
Sung Won Cho 952e0e62f3
Update copyright notice for the new year (#382)
* Update script

* Update the year in the license
2020-01-07 11:59:40 +11:00

63 lines
1.6 KiB
TypeScript

/* Copyright (C) 2019, 2020 Monomax Software Pty Ltd
*
* This file is part of Dnote.
*
* Dnote 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.
*
* Dnote 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 Dnote. If not, see <https://www.gnu.org/licenses/>.
*/
import ext from './ext';
const stateKey = 'state';
// filterState filters the given state to be suitable for reuse upon next app
// load
function filterState(state) {
return {
...state,
location: {
...state.location,
path: '/'
}
};
}
function parseStorageItem(item) {
if (!item) {
return null;
}
return JSON.parse(item);
}
// saveState writes the given state to storage
export function saveState(state) {
const filtered = filterState(state);
const serialized = JSON.stringify(filtered);
ext.storage.local.set({ [stateKey]: serialized }, () => {
console.log('synced state');
});
}
// loadState loads and parses serialized state stored in ext.storage
export function loadState(done) {
ext.storage.local.get('state', items => {
const parsed = {
...items,
state: parseStorageItem(items.state)
};
return done(parsed);
});
}