Redux: Never Mutate State Slice vs. Concat

[shimphillip]

You can take a look at this thread that I replied before.

Never Mutate State dispatch issue

Tell us what’s happening: Hi I am getting following error The Redux store should exist and initialize with a state equal to the todos array in the code editor. Dispatching an action of type ADD_TO_DO on the Redux store should add a todo item and should NOT mutate state. I tried to solve the by looking into the forum but getting error . Please help Your code so far const ADD_TO_DO = 'ADD_TO_DO'; // A list of strings representing tasks to do: const todos = [ 'Go to the st…