问通过Apollo客户端将放大访问令牌发送到服务器

EN

import {
  ApolloClient, ApolloLink, HttpLink, InMemoryCache
} from "@apollo/client"
import { setContext } from '@apollo/client/link/context'
import Auth from "@aws-amplify/auth"
import { ENDPOINT } from "@env"

if (!ENDPOINT) {
  throw new Error("Need env ENDPOINT")
}

const httpLink = new HttpLink({ uri: GRAPHQL_ENDPOINT })

const authMiddleware = setContext(async (_, { headers }) => {
  try {
    const currentSession = await Auth.currentSession()
    const accessToken = currentSession.getAccessToken()
    const token = accessToken.getJwtToken()
    return {
      headers: {
        ...headers,
        authorization: token || null,
      },
    }
  } catch (err) {
    return {
      headers,
    }
  }
})

const link = ApolloLink.from([
  authMiddleware,
  httpLink
])

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