Test mapToStateToProps

import React from 'react';
import TouchableOpacity from 'react-native';
import { connect } from 'react-redux';

export const mapStateToProps = (state) => {
  todos: state.todos,
};

export const mapDispatchToProps = (dispatch) => {
  toggleTodo: (id) => dispatch({type: 'TOGGLE_TODO', id }),
};

const Todo = ({ todo, onPress }) => (
  <TouchableOpacity onPress={onPress}>
    <Text>{todo.text}</Text>
  </TouchableOpacity>
);

export const TodosComponent = ({ todos, toggleTodo }) => (
  todos.map(t => <Todo todo={t} onPress={toggleTodo(t.id)} />)
);

const Todos = connect(mapStateToProps, mapDispatchToProps)(TodosComponent);
export default Todos;