-
Notifications
You must be signed in to change notification settings - Fork 0
/
ko.subPersist.js
35 lines (31 loc) · 901 Bytes
/
ko.subPersist.js
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
(function(ko) {
if (typeof (browser.storage) === "undefined") { return; }
ko.extenders.subPersist = function (target, key) {
//console.log(`subPersist, key: ${key}`);
if (key) {
browser.storage.local.get(key).then(
item => {
if (item[key]) {
//console.log('loading key');
target(JSON.parse(item[key]));
} else {
//console.log('setting default key');
target(target());
}
},
error => {
console.log(`ko.extenders.subPersist: unable to get key: '${key}' from storage`);
}
);
}
browser.storage.onChanged.addListener(changes => {
var changedItems = Object.keys(changes);
for (var item of changes) {
if (item === key) {
target(JSON.parse(changes[item].newValue));
}
}
});
return target;
};
})(ko);