/* eslint-disable no-return-assign */
/* eslint-disable no-undef */
const mock = () => {
  let storage = {};
  return {
    getItem: (key) => (key in storage ? storage[key] : null),
    setItem: (key, value) => (storage[key] = value || ''),
    removeItem: (key) => delete storage[key],
    clear: () => (storage = {}),
  };
};
Object.defineProperty(window, 'localStorage', {
  value: mock(),
});
Object.defineProperty(window, 'sessionStorage', {
  value: mock(),
});
Object.defineProperty(window, 'getComputedStyle', {
  value: () => ['-webkit-appearance'],
});