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17 changes: 11 additions & 6 deletions src/store.jsx
Original file line number Diff line number Diff line change
@@ -1,25 +1,30 @@
let store;

const noopStore = {
getItem: function () {},
setItem: function () {},
const memoryStore = {
values: {},
getItem: function (key) {
return this.values[key];
},
setItem: function (key, value) {
this.values[key] = value;
},
};

if (typeof window !== 'undefined' && 'localStorage' in window) {
try {
let key = '__pushtell_react__';
window.localStorage.setItem(key, key);
if (window.localStorage.getItem(key) !== key) {
store = noopStore;
store = memoryStore;
} else {
window.localStorage.removeItem(key);
store = window.localStorage;
}
} catch (e) {
store = noopStore;
store = memoryStore;
}
} else {
store = noopStore;
store = memoryStore;
}

export default store;
18 changes: 18 additions & 0 deletions test/browser/store.test.jsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
describe('Store', () => {
afterEach(() => {
jest.resetModules();
});

it('works with browser storage', () => {
const store = require('../../src/store').default;
store.setItem('foo', 'bar');
expect(store.getItem('foo')).toEqual('bar');
});

it('works without browser storage', () => {
delete window.localStorage;
const store = require('../../src/store').default;
store.setItem('foo', 'bar');
expect(store.getItem('foo')).toEqual('bar');
});
});