@neo4j/graphql
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A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
43 lines • 1.93 kB
JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.addGlobalNodeFields = addGlobalNodeFields;
const graphql_relay_1 = require("graphql-relay");
const global_node_1 = require("./resolvers/query/global-node");
const ConcreteEntityAdapter_1 = require("../schema-model/entity/model-adapters/ConcreteEntityAdapter");
// returns true if globalNodeFields added or false if not
function addGlobalNodeFields(nodes, composer, concreteEntities) {
const globalNodes = nodes.filter((n) => n.isGlobalNode);
const globalEntities = concreteEntities.map((e) => new ConcreteEntityAdapter_1.ConcreteEntityAdapter(e)).filter((e) => e.isGlobalNode());
if (globalNodes.length === 0)
return false;
const fetchById = (id, context, info) => {
const resolver = (0, global_node_1.globalNodeResolver)({ entities: globalEntities });
return resolver.resolve(null, { id }, context, info);
};
const resolveType = (obj) => obj.__resolveType;
const { nodeInterface, nodeField } = (0, graphql_relay_1.nodeDefinitions)(fetchById, resolveType);
composer.createInterfaceTC(nodeInterface);
composer.Query.addFields({
node: nodeField,
});
return true;
}
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