Javascript 未定义与阿波罗返回的反应过程
这是我的index.js:Javascript 未定义与阿波罗返回的反应过程,javascript,reactjs,apollo,react-apollo,Javascript,Reactjs,Apollo,React Apollo,这是我的index.js: import React from 'react'; import ReactDOM from 'react-dom'; import './index.css'; import App from './components/App'; import * as serviceWorker from './serviceWorker'; import ApolloClient from "apollo-boost"; import { ApolloProvider }
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './components/App';
import * as serviceWorker from './serviceWorker';
import ApolloClient from "apollo-boost";
import { ApolloProvider } from "react-apollo";
ReactDOM.render(
<App />
, document.getElementById('root'));
serviceWorker.unregister();
你能告诉我为什么以及如何解决这个问题吗?谢谢大家! 我跳进指南,发现了我的错误。我安装了:
yarn add react-apollo apollo-boost
但在指南中,我必须安装:
yarn add apollo-boost react-apollo graphql
当我添加graphql
时,错误消失了
yarn add apollo-boost react-apollo graphql