@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
56 lines • 2.1 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.GraphQLSelectionSet = void 0;
const graphql_1 = require("graphql");
exports.GraphQLSelectionSet = new graphql_1.GraphQLScalarType({
name: "SelectionSet",
description: "A GraphQL SelectionSet without the outer curly braces. It must be passed as a string and is always returned as a string.",
serialize(outputValue) {
if (typeof outputValue !== "string") {
throw new graphql_1.GraphQLError(`SelectionSet cannot represent non string value: ${outputValue}`);
}
parseSelectionSet(outputValue);
return outputValue;
},
parseValue(inputValue) {
if (typeof inputValue !== "string") {
throw new graphql_1.GraphQLError(`SelectionSet cannot represent non string value: ${inputValue}`);
}
parseSelectionSet(inputValue);
return inputValue;
},
parseLiteral(ast) {
if (ast.kind !== graphql_1.Kind.STRING) {
throw new graphql_1.GraphQLError(`SelectionSet cannot represent non string value`);
}
parseSelectionSet(ast.value);
return ast.value;
},
});
function parseSelectionSet(input) {
try {
(0, graphql_1.parse)(`{ ${input} }`);
}
catch {
throw new graphql_1.GraphQLError(`SelectionSet cannot parse the following value: ${input}`);
}
}
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