Need help for Unexpected character error with react-redux f7 v3 template

Does anyone have tried redux with v7 react template ? I installed redux, react-redux and tried to integrate todoList example in redux site into the f7 v3 react template. I get unexpected character error for some files and I do not know why this happens.

I tried to remove brackets when importing, or added ; end of import lines but didnt change anything

Syntax error: D:\client\src\components\Footer.js: Unexpected character ‘​’ (4:0)

import React from 'react'
import FilterLink from '../containers/FilterLink'
import { VisibilityFilters } from '../actions'
const Footer = () => (

Syntax error: D:\client\src\reducers\index.js: Unexpected character ‘​’ (5:0)

import { combineReducers } from 'redux'
import todos from './todos'
import visibilityFilter from './visibilityFilter'

​export default combineReducers({