storage.js

// Helper to swap between localStorage and cookie storage due to stupid Safari
import Cookie from 'js-cookie';

const storage = {};

// Safari in incognito has local storage, but size 0
// This system falls back to cookies in that situation
try {
  if (!window.localStorage) {
    throw Error('no local storage');
  }

  localStorage.setItem('test', 'test');
  if (localStorage.getItem('test') === 'test') {
    localStorage.removeItem('test');
  }

  // Setup simple local storage wrapper
  storage.set = (key, value) =>
    localStorage.setItem(key, JSON.stringify(value));
  storage.get = (key) => {
    const item = localStorage.getItem(key);
    try {
      return JSON.parse(item);
    } catch (e) {
      return null;
    }
  };
  storage.remove = key => localStorage.removeItem(key);
} catch (e) {
  storage.set = Cookie.set;
  storage.get = Cookie.getJSON;
  storage.remove = Cookie.remove;
}

export default storage;