thelounge/client/js/localStorage.js
Adam e14d911195 Add try/catch to all localStorage methods
Return null when attempting to get an item from localStorage

REF: #2699
2018-08-30 17:49:15 +01:00

44 lines
1,003 B
JavaScript

"use strict";
// This is a simple localStorage wrapper because browser can throw errors
// in different situations, including:
// - Unable to store data if storage is full
// - Local storage is blocked if "third-party cookies and site data" is disabled
//
// For more details, see:
// https://stackoverflow.com/q/14555347/1935861
// https://github.com/thelounge/thelounge/issues/2699
// https://www.chromium.org/for-testers/bug-reporting-guidelines/uncaught-securityerror-failed-to-read-the-localstorage-property-from-window-access-is-denied-for-this-document
module.exports = {
set(key, value) {
try {
window.localStorage.setItem(key, value);
} catch (e) {
//
}
},
get(key) {
try {
return window.localStorage.getItem(key);
} catch (e) {
// Return null as if data is not set
return null;
}
},
remove(key) {
try {
window.localStorage.removeItem(key);
} catch (e) {
//
}
},
clear() {
try {
window.localStorage.clear();
} catch (e) {
//
}
},
};