@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
45 lines • 1.67 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.verifyFunctions = verifyFunctions;
const constants_1 = require("../../constants");
async function verifyFunctions(sessionFactory) {
const session = sessionFactory();
const cypher = `
SHOW FUNCTIONS
YIELD name
WHERE name IN ["${constants_1.REQUIRED_APOC_FUNCTIONS.join('", "')}"]
RETURN collect(name) as functions
`;
try {
const result = await session.run(cypher);
const record = result.records[0]?.toObject();
if (!record)
throw new Error("verifyFunctions failed to get functions");
const missingFunctions = constants_1.REQUIRED_APOC_FUNCTIONS.filter((f) => !record.functions.includes(f));
if (missingFunctions.length) {
throw new Error(`Missing APOC functions: [ ${missingFunctions.join(", ")} ]`);
}
}
finally {
await session.close();
}
}
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