Vue Apollo TypeScript: ApolloClient缺少websocket属性

npm install apollo-link-ws subscriptions-transport-ws

import { WebSocketLink } from 'apollo-link-ws';
import { ApolloClient } from 'apollo-client';
import { InMemoryCache } from 'apollo-cache-inmemory';

const websocketLink = new WebSocketLink({
  uri: 'wss://your-graphql-endpoint', // 你的GraphQL WebSocket端点
  options: {
    reconnect: true,
  },
});

const apolloClient = new ApolloClient({
  link: websocketLink,
  cache: new InMemoryCache(),
});

import Vue from 'vue';
import { ApolloProvider } from 'vue-apollo';

Vue.use(ApolloProvider);

new Vue({
  apolloProvider: new ApolloProvider({
    defaultClient: apolloClient,
  }),
  // ...
});