Jest mock localStorage methods

Question

I would like to mock localStorage methods in jest for error simulation. I have localstorage getter and setter methods defined in utility.js. I would like to mock local

Answer 1

jest.spyOn(window.localStorage.__proto__, 'setItem'); works with nothing else at all needed, as noted here: https://github.com/facebook/jest/issues/6798#issuecomment-440988627