hwillson

import { RocketData, RocketVars } from './types';

const GET_ROCKET_INVENTORY = gql`
  query getRocketInventory($year: Int!) {
    rocketInventory(year: $year) {
      id
      year
    }
  }
`;

hwillson

function Message() {
  const [saveMessage, { loading }] = useMutation(SAVE_MESSAGE);
  const [deleteMessage] = useMutation(DELETE_MESSAGE);
  const { data } = useQuery(GET_MESSAGE);

  return (
    <div>
      <p>
        {loading
          ? 'Loading ...'

hwillson

const LAST_LAUNCH = gql`
  query lastLaunch {
    launch {
      id
      timestamp
    }
  }
`;

export function LastLaunch() {

hwillson

const client = new ApolloClient({
  cache: new InMemoryCache(),
  link: new HttpLink({
    uri: 'http://localhost:4000/graphql',
  }),
  resolvers: {
    Launch: {
      isInCart: (launch, _args, { cache }) => {
        const { cartItems } = cache.readQuery({ 
          query: GET_CART_ITEMS 

hwillson

const GET_LAUNCH_DETAILS = gql`
  query LaunchDetails($launchId: ID!) {
    launch(id: $launchId) {
      isInCart @client
      site
      rocket {
        type
      }
    }
  }

hwillson

const client = new ApolloClient({
  cache: new InMemoryCache(),
  link: new HttpLink({
    uri: 'http://localhost:4000/graphql',
  }),
  typeDefs: gql`
    extend type Launch {
      isInCart: Boolean!
    }
  `,

hwillson

const client = new ApolloClient({
  // ...
  resolvers: {
    RentalCar: {
      numberAvailable(car) => {
        // Call into a separate car inventory tracking system, 
        // to get up to date car availibility.
        return CarTracker.isCarAvailable(car.id);
      },
    },

hwillson

// Example ApolloClient config including a fullName resolver to 
// combine first and last names.
const client = new ApolloClient({
  // ...
  resolvers: {
    Customer: {
      fullName(customer) => {
        return `${customer.firstName} ${customer.lastName}`;
      },
    },

hwillson

// Example ApolloClient config showing a Mutation resolver.
const client = new ApolloClient({
  cache: new InMemoryCache(),
  resolvers: {
    Mutation: {
      toggleTodo: (_root, variables, { cache, getCacheKey }) => {
        const id = getCacheKey({ __typename: 'TodoItem', id: variables.id })
        const fragment = gql`
          fragment completeTodo on TodoItem {
            completed

hwillson

import Loadable from 'react-loadable';

import Loading from './components/Loading';

export const Stats = Loadable({
  loader: () => import('./components/stats/Stats'),
  loading: Loading,
});