today.js

//Input and Reducer
import { createStore } from "redux";
import { Object } from "core-js";

//constant
const UPDATEPROFILE = "UPDATEPROFILE";

const initalState = {
  id: 1,
  name: "defaultName"
};
const ProfileReducer = (state = initalState, action) => {
  switch (action.type) {
    case UPDATEPROFILE:
      return Object.assign({}, state, { name: action.name });
    default:
      return state;
  }
};

const appStore = createStore(ProfileReducer);

/* const action = {
  type: UPDATEPROFILE,
  name: "Ram"
};
 */
/* function ProfileActionCreator(name) {
  return {
    type: UPDATEPROFILE,
    name: name
  };
} */
const ProfileActionCreator = name => ({ type: UPDATEPROFILE, name });
appStore.subscribe(function() {
  console.log(appStore.getState());
});

//appStore.dispatch(action);
appStore.dispatch(ProfileActionCreator("Robert"));