blob: 6ed3860f6f0f1f14f4a4020da0965608281758a5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
const ObservableStore = require('./index')
//
// LocalStorageStore
//
// uses localStorage instead of a cache
//
class LocalStorageStore extends ObservableStore {
constructor (opts) {
super()
delete this._state
this._opts = opts || {}
if (!this._opts.storageKey) {
throw new Error('LocalStorageStore - no "storageKey" specified')
}
this._storageKey = this._opts.storageKey
}
get() {
try {
return JSON.parse(global.localStorage[this._storageKey])
} catch (err) {
return undefined
}
}
_put(newState) {
global.localStorage[this._storageKey] = JSON.stringify(newState)
this.emit('update', newState)
}
}
module.exports = LocalStorageStore
|
