你能帮忙检查一下我的代码,我是否可以从 cookie 中获取访问令牌并通过 apollo 客户端发送它?在我的 Next.js 项目中,我使用 NextAuth 进行身份验证。用户登录后,我在会话中保存用户信息和访问令牌。但我知道我怎样才能得到它并通过 apollo 客户端传递它。
import { useMemo } from 'react'
import { ApolloClient, ApolloLink, InMemoryCache, createHttpLink } from '@apollo/client'
import { setContext } from '@apollo/client/link/context';
import { concatPagination } from '@apollo/client/utilities'
import merge from 'deepmerge'
import isEqual from 'lodash/isEqual'
export const APOLLO_STATE_PROP_NAME = '__APOLLO_STATE__'
let apolloClient
const CLIENT_URL =
process.env.NODE_ENV === 'production'
? process.env.API_END_POINT
: 'http://localhost:1337'
function createApolloClient() {
const httpLink = createHttpLink({
uri: `${CLIENT_URL}/graphql`,
credentials: 'same-origin'
});
const authLink = setContext((_, { headers }) => {
return {
headers: {
...headers,
authorization: token ? `Bearer ${token}` : ''
}
}
});
const cache = new InMemoryCache({
typePolicies: {
Query: {
fields: {
jobs: concatPagination(),
},
},
},
});
const client = new ApolloClient({
srMode: typeof window === 'undefined',
link: authLink.concat(httpLink),
cache
});
return client;
}
export function initializeApollo(initialState = null) {
const _apolloClient = apolloClient ?? createApolloClient()
// If your page has Next.js data fetching methods that use Apollo Client, the initial state
// gets hydrated here
if (initialState) {
// Get existing cache, loaded during client side data fetching
const existingCache = _apolloClient.extract()
// Merge the existing cache into data passed from getStaticProps/getServerSideProps
const data = merge(initialState, existingCache, {
// combine arrays using object equality (like in sets)
arrayMerge: (destinationArray, sourceArray) => [
...sourceArray,
...destinationArray.filter((d) =>
sourceArray.every((s) => !isEqual(d, s))
),
],
})
// Restore the cache with the merged data
_apolloClient.cache.restore(data)
}
// For SSG and SSR always create a new Apollo Client
if (typeof window === 'undefined') return _apolloClient
// Create the Apollo Client once in the client
if (!apolloClient) apolloClient = _apolloClient
return _apolloClient
}
export function addApolloState(client, pageProps) {
if (pageProps?.props) {
pageProps.props[APOLLO_STATE_PROP_NAME] = client.cache.extract()
}
return pageProps
}
export function useApollo(pageProps) {
const state = pageProps[APOLLO_STATE_PROP_NAME]
const store = useMemo(() => initializeApollo(state), [state])
return store
}