83 lines
1.9 KiB
TypeScript
83 lines
1.9 KiB
TypeScript
import ApolloClient from 'apollo-client';
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import { InMemoryCache } from 'apollo-cache-inmemory';
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import { split } from 'apollo-link';
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import { HttpLink } from 'apollo-link-http';
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import { WebSocketLink } from 'apollo-link-ws';
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import { getMainDefinition } from 'apollo-utilities';
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import gql from 'graphql-tag';
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export class UnauthorizedError extends Error {
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constructor(...args: any[]) {
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super(...args)
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Object.setPrototypeOf(this, UnauthorizedError.prototype);
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}
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}
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let client: DaddyClient
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export function getClient(graphQLEndpoint: string, subscriptionEndpoint: string): DaddyClient {
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if (!client) {
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client = new DaddyClient(graphQLEndpoint, subscriptionEndpoint);
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}
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return client;
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}
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export class DaddyClient {
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gql: ApolloClient<InMemoryCache>
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constructor(graphQLEndpoint: string, subscriptionEndpoint: string) {
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const wsLink = new WebSocketLink({
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uri: subscriptionEndpoint,
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options: {
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reconnect: true
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}
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});
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const httpLink = new HttpLink({
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uri: graphQLEndpoint,
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fetchOptions: {
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mode: 'cors',
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credentials: 'include',
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}
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});
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const link = split(
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({ query }) => {
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const definition = getMainDefinition(query);
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return (
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definition.kind === 'OperationDefinition' &&
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definition.operation === 'subscription'
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);
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},
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wsLink,
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httpLink,
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);
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this.gql = new ApolloClient<any>({
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link: link,
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cache: new InMemoryCache(),
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});
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}
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fetchProfile() {
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return this.gql.query({
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query: gql`
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query {
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userProfile {
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email,
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createdAt,
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connectedAt
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}
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}`
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})
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.then(this.assertAuthorization)
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}
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assertAuthorization({ status, data }: any) {
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if (status === 401) return Promise.reject(new UnauthorizedError());
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return data;
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}
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} |