vue-apollo.js

const defaults = {
  state: {
    token: localStorage.getItem('token') || null,
    refreshToken: localStorage.getItem('refresh-token') || null,
    userId: localStorage.getItem('user-id') || null,
    isAuthenticated: !!localStorage.getItem('token'),
    __typename: 'State'
  }
}

const resolvers = {
  Mutation: {
    updateAuthStatus: (_, { isAuthenticated, refreshToken, token, userId }, { cache }) => {
      const state = {
        isAuthenticated,
        refreshToken,
        token,
        userId,
        __typename: 'State'
      }
      cache.writeData({ data: { state } })
      return state
    }
  }
}

const defaultOptions = {
  httpEndpoint,
  tokenName: AUTH_TOKEN,
  persisting: false,
  websocketsOnly: false,
  ssr: false,
  httpLinkOptions: {
    uri: httpEndpoint,
    fetch: customFetch
  },
  getAuth: (tokenName) => {
    const token = localStorage.getItem(AUTH_TOKEN)

    if (token) {
      return 'Bearer ' + token
    } else {
      return ''
    }
  },
  clientState: {
    defaults,
    resolvers
  }
}