accounts-frontend/src/services/localStorage.js

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import logger from 'services/logger';
let _hasStorage = false;
try {
const test = 'test';
window.localStorage.setItem(test, test);
window.localStorage.removeItem(test);
_hasStorage = true;
} catch (err) {
// bad luck, no storage available
logger.info('No storage available'); // log for statistic purposes
}
export function hasStorage() {
return _hasStorage;
}
function DummyStorage() {
return {
getItem(key) {
return this[key] || null;
},
setItem(key, value) {
this[key] = value;
},
removeItem(key) {
Reflect.deleteProperty(this, key);
}
};
}
export const localStorage = _hasStorage ? window.localStorage : new DummyStorage();
export const sessionStorage = _hasStorage ? window.sessionStorage : new DummyStorage();
export default localStorage;