gistfile1.txt

import { createStore, combineReducers } from 'redux'

const rootReducer = combineReducers({
  ctr : counterReducer,
  res : resultReducer
})


// map state to properties
const mapStateToProps = (state) => {
  return {
  // counter will be available as a property
  // and can be accesed using this.props.counter
  ctr : state.ctr.counter,
  results : state.res.counterHistory
}
}


import * as actionTypes from '../actions/actionTypes'

const initialState = {
  counter : 567
}

const reducer = (state = initialState,action) => {

  switch(action.type) {
    case actionTypes.INCREMENT_COUNTER:
      return {
        ...state,
        counter : state.counter + 1
      }
    case actionTypes.DECREMENT_COUNTER:
      return {
        ...state,
        counter : state.counter - 1
      }
    case actionTypes.ADD_COUNTER:
      return {
        ...state,
        counter : state.counter + action.value
      }
  }

  return state

}

export default reducer






import * as actionTypes from './actionTypes'

export const addMovie = (movie) => {
  return {
    type : actionTypes.ADD_MOVIE,
    movie : movie
  }
}


export const fetchPosts = () => {

  return dispatch => {

    fetch('https://jsonplaceholder.typicode.com/posts')
      .then(response => response.json())
      .then((json) => {
          dispatch({type : actionTypes.FETCH_POSTS, posts : json})
    })

  }
}