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part8d: fix 'setContext' #4154

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part8d: fix 'setContext' #4154

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17 changes: 8 additions & 9 deletions src/content/8/en/part8d.md
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Original file line number Diff line number Diff line change
Expand Up @@ -164,24 +164,23 @@ const App = () => {
After the backend changes, creating new persons requires that a valid user token is sent with the request. In order to send the token, we have to change the way we define the *ApolloClient* object in <i>main.jsx</i> a little.

```js
import { ApolloClient, InMemoryCache, ApolloProvider, createHttpLink } from '@apollo/client' // highlight-line
import { setContext } from '@apollo/client/link/context' // highlight-line
import { ApolloClient, InMemoryCache, HttpLink, } from '@apollo/client' // highlight-line
import { ApolloProvider } from '@apollo/client/react'
import { SetContextLink } from '@apollo/client/link/context'

// highlight-start
const authLink = setContext((_, { headers }) => {
const authLink = new SetContextLink((preContext) => {
const token = localStorage.getItem('phonenumbers-user-token')
return {
headers: {
...headers,
authorization: token ? `Bearer ${token}` : null,
}
...preContext.headers,
authorization: token ? `Bearer ${token}` : '',
},
}
})
// highlight-end

const httpLink = createHttpLink({
uri: 'http://localhost:4000',
})
const httpLink = new HttpLink({ uri: 'http://localhost:4000' })

const client = new ApolloClient({
cache: new InMemoryCache(),
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