@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
83 lines • 2.67 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 });
const graphql_1 = require("graphql");
function getName(type) {
return type.kind === graphql_1.Kind.NAMED_TYPE ? type.name.value : getName(type.type);
}
function getPrettyName(type) {
let result;
switch (type.kind) {
case graphql_1.Kind.NAMED_TYPE:
result = type.name.value;
break;
case graphql_1.Kind.NON_NULL_TYPE:
result = `${getPrettyName(type.type)}!`;
break;
case graphql_1.Kind.LIST_TYPE:
result = `[${getPrettyName(type.type)}]`;
break;
}
return result;
}
function getFieldTypeMeta(typeNode) {
const name = getName(typeNode);
const pretty = getPrettyName(typeNode);
const array = /\[.+\]/g.test(pretty);
const required = typeNode.kind === graphql_1.Kind.NON_NULL_TYPE;
// Things to do with the T inside the Array [T]
let arrayTypePretty = "";
let arrayTypeRequired = false;
if (array) {
const listNode = typeNode;
arrayTypePretty = getPrettyName(listNode.type);
arrayTypeRequired = arrayTypePretty.includes("!");
}
const isPoint = ["Point", "CartesianPoint"].includes(name);
let type = name;
if (isPoint) {
type = name === "Point" ? "PointInput" : "CartesianPointInput";
}
let inputPretty = type;
if (array) {
inputPretty = `[${type}${arrayTypeRequired ? "!" : ""}]`;
}
const meta = {
name,
array,
required,
pretty,
input: {
where: { type, pretty: inputPretty },
create: {
type: name,
pretty: `${inputPretty}${required ? "!" : ""}`,
},
update: {
type: name,
pretty: inputPretty,
},
},
originalType: typeNode,
};
return meta;
}
exports.default = getFieldTypeMeta;
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