React and React Native

Completing todo items

The last piece of this application is rendering each todo item and providing the ability to change the status of the todo. Let's take a look at this code:

import React, { Component, PropTypes } from 'react'; import Relay from 'react-relay'; import { Text, View, Switch, } from 'react-native'; import styles from './styles'; import ChangeTodoStatusMutation from './mutations/ChangeTodoStatusMutation'; // How to style the todo text, based on the // boolean value of the "completed" property. const completeStyleMap = new Map([ [true, { textDecorationLine: 'line-through' }], [false, {}], ]); class Todo extends Component { static propTypes = { relay: PropTypes.any.isRequired, viewer: PropTypes.any.isRequired, todo: PropTypes.shape({ ...