apollo-mocknetworkinterface.example.js

import faker from 'faker';
import { ApolloClient } from 'react-apollo';
import MockNetworkInterface from 'apollo-mocknetworkinterface';

const createResponse = (request) => { // pure function returning data
  console.log('creating mocked response for request:', request); // eslint-disable-line no-console
  // will log: creating mocked response for request: { query: { kind: 'Document' ...
  return {
    data: {
      component: {
        id: 1, // use static value
        email: faker.internet.email(), // or generate anything
        url: request.variables.url, // note that you can even use anything from the request
      },
    },
  };
};
const networkInterface = new MockNetworkInterface(createResponse, { timeout: 100 }); // simulate network latency
const client = new ApolloClient({ networkInterface, addTypename: false });