text: import React from 'react'
  import PropTypes from 'prop-types'
  
  const Todo = ({ onClick, completed, text }) => (
    <li
      onClick={onClick}
      style={{
        textDecoration: completed ? 'line-through' : 'none'
      }}
    >
      {text}
    </li>
  )
  
  Todo.propTypes = {
    onClick: PropTypes.func.isRequired,
    completed: PropTypes.bool.isRequired,
    text: PropTypes.string.isRequired
  }
  
  export default Todo