bodegaReducer.js

// this reducer takes in the initial state and the action called
bodegaReducer = (state = initialBodegaState, action) => {
  // the below switch case decides what to do based on the action
  switch(action.type) {
    // since 'ENTER_BODEGA' is called
    // insideBodega is toggled to be true
    case 'ENTER_BODEGA':
      return {
        ...state,
        insideBodega: true,
      };

    // when food is brought, we alter the state/quantity of this key/value pair
    case 'BUY_CHOPPED_CHEESE':
      return {
        ...state,
        choppedCheese: Math.max(0, state.choppedCheese - action.buy),
      };

    // once more, we alter the state, but this time a string datatype
    case 'PET_BODEGA_CAT':
      return {
        ...state,
        catMood: "Happy",
      };

    // lastly we toggle the insideBodega value as we leave
    case 'LEAVE_BODEGA':
      return {
        ...state,
        insideBodega: false,
      };

    // default catch in case an action doesn't exist
    // this will return the initialState
    default:
      return state;
  };
};