54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
import { ApolloClient } from 'apollo-client';
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import { InMemoryCache } from 'apollo-cache-inmemory';
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import { createUploadLink } from 'apollo-upload-client';
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import { ApolloLink } from 'apollo-link';
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import { BatchHttpLink } from 'apollo-link-batch-http';
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import csrf from '~/lib/utils/csrf';
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export const fetchPolicies = {
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CACHE_FIRST: 'cache-first',
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CACHE_AND_NETWORK: 'cache-and-network',
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NETWORK_ONLY: 'network-only',
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NO_CACHE: 'no-cache',
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CACHE_ONLY: 'cache-only',
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};
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export default (resolvers = {}, config = {}) => {
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let uri = `${gon.relative_url_root}/api/graphql`;
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if (config.baseUrl) {
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// Prepend baseUrl and ensure that `///` are replaced with `/`
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uri = `${config.baseUrl}${uri}`.replace(/\/{3,}/g, '/');
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}
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const httpOptions = {
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uri,
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headers: {
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[csrf.headerKey]: csrf.token,
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},
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// fetch won’t send cookies in older browsers, unless you set the credentials init option.
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// We set to `same-origin` which is default value in modern browsers.
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// See https://github.com/whatwg/fetch/pull/585 for more information.
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credentials: 'same-origin',
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};
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return new ApolloClient({
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link: ApolloLink.split(
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operation => operation.getContext().hasUpload || operation.getContext().isSingleRequest,
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createUploadLink(httpOptions),
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new BatchHttpLink(httpOptions),
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),
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cache: new InMemoryCache({
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...config.cacheConfig,
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freezeResults: config.assumeImmutableResults,
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}),
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resolvers,
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assumeImmutableResults: config.assumeImmutableResults,
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defaultOptions: {
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query: {
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fetchPolicy: config.fetchPolicy || fetchPolicies.CACHE_FIRST,
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},
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},
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});
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};
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