@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
115 lines • 4.71 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.
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLLocalDateTime = exports.parseLocalDateTime = void 0;
const graphql_1 = require("graphql");
const neo4j_driver_1 = __importStar(require("neo4j-driver"));
// Matching YYYY-MM-DDTHH:MM:SS(.sss+)
const LOCAL_DATE_TIME_REGEX = /^(?<year>\d{4})-(?<month>[0]\d|1[0-2])-(?<day>[0-2]\d|3[01])T(?<hour>[01]\d|2[0-3]):(?<minute>[0-5]\d):(?<second>[0-5]\d)(\.(?<fraction>\d+))?$/;
const parseLocalDateTime = (value) => {
if (typeof value !== "string") {
throw new TypeError(`Value must be of type string: ${value}`);
}
const match = LOCAL_DATE_TIME_REGEX.exec(value);
if (!match) {
throw new TypeError(`Value must be formatted as LocalDateTime: ${value}`);
}
const { year, month, day, hour, minute, second, fraction = "0" } = match.groups;
// Take first nine digits if received more
let nanosecond = fraction.substring(0, 9);
// Pad with zeros to reach nine digits if received less
while (nanosecond.toString().length < 9) {
nanosecond = `${nanosecond}0`;
}
return {
year: +year,
month: +month,
day: +day,
hour: +hour,
minute: +minute,
second: +second,
nanosecond: +nanosecond,
};
};
exports.parseLocalDateTime = parseLocalDateTime;
const parse = (value) => {
if ((0, neo4j_driver_1.isLocalDateTime)(value)) {
return value;
}
const { year, month, day, hour, minute, second, nanosecond } = (0, exports.parseLocalDateTime)(value);
return new neo4j_driver_1.default.types.LocalDateTime(year, month, day, hour, minute, second, nanosecond);
};
exports.GraphQLLocalDateTime = new graphql_1.GraphQLScalarType({
name: "LocalDateTime",
description: "A local datetime, represented as 'YYYY-MM-DDTHH:MM:SS'",
serialize: (value) => {
if (typeof value !== "string" && !(value instanceof neo4j_driver_1.default.types.LocalDateTime)) {
throw new TypeError(`Value must be of type string: ${value}`);
}
const stringifiedValue = value.toString();
if (!LOCAL_DATE_TIME_REGEX.test(stringifiedValue)) {
throw new TypeError(`Value must be formatted as LocalDateTime: ${stringifiedValue}`);
}
return stringifiedValue;
},
parseValue: (value) => {
return parse(value);
},
parseLiteral: (ast) => {
if (ast.kind !== graphql_1.Kind.STRING) {
throw new graphql_1.GraphQLError(`Only strings can be validated as LocalDateTime, but received: ${ast.kind}`);
}
return parse(ast.value);
},
});
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