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import Vue from 'vue';
import VueApollo from 'vue-apollo';
import { IntrospectionFragmentMatcher } from 'apollo-cache-inmemory';
import createDefaultClient from '~/lib/graphql';
import introspectionQueryResultData from './fragmentTypes.json';
Vue.use(VueApollo);
// We create a fragment matcher so that we can create a fragment from an interface
// Without this, Apollo throws a heuristic fragment matcher warning
const fragmentMatcher = new IntrospectionFragmentMatcher({
introspectionQueryResultData,
});
const defaultClient = createDefaultClient(
{},
{
cacheConfig: {
fragmentMatcher,
dataIdFromObject: obj => {
/* eslint-disable @gitlab/i18n/no-non-i18n-strings */
// eslint-disable-next-line no-underscore-dangle
switch (obj.__typename) {
// We need to create a dynamic ID for each entry
// Each entry can have the same ID as the ID is a commit ID
// So we create a unique cache ID with the path and the ID
case 'TreeEntry':
case 'Submodule':
case 'Blob':
return `${obj.flatPath}-${obj.id}`;
default:
// If the type doesn't match any of the above we fallback
// to using the default Apollo ID
// eslint-disable-next-line no-underscore-dangle
return obj.id || obj._id;
}
/* eslint-enable @gitlab/i18n/no-non-i18n-strings */
},
},
},
);
export default new VueApollo({
defaultClient,
});
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