@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
48 lines • 2.14 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.aggregationFieldRegEx = void 0;
exports.parseWhereField = parseWhereField;
exports.parseAggregationWhereFields = parseAggregationWhereFields;
// This regex is only valid for the non generic operators
const whereRegEx = /(?<prefix>\w*\.)?(?<fieldName>[_A-Za-z]\w*?)(?<isConnection>Connection)?(?<isAggregate>Aggregate)?(?:_(?<operator>IN|INCLUDES|MATCHES|CONTAINS|STARTS_WITH|ENDS_WITH|EQ|LT|LTE|GT|GTE|DISTANCE|ALL|NONE|SINGLE|SOME))?$/;
function parseWhereField(field) {
const match = whereRegEx.exec(field);
const matchGroups = match?.groups;
const operator = match?.groups?.operator;
return {
fieldName: matchGroups.fieldName,
isAggregate: Boolean(matchGroups.isAggregate),
operator,
prefix: matchGroups.prefix,
isConnection: Boolean(matchGroups.isConnection),
};
}
exports.aggregationFieldRegEx = /(?<fieldName>[_A-Za-z]\w*?)(?:_(?<aggregationOperator>AVERAGE|MAX|MIN|SUM|SHORTEST|LONGEST))?(?:_LENGTH)?(?:_(?<logicalOperator>EQUAL|EQ|GT|GTE|LT|LTE|IN))?$/;
function parseAggregationWhereFields(field) {
const match = exports.aggregationFieldRegEx.exec(field);
const matchGroups = match?.groups;
return {
fieldName: matchGroups.fieldName,
aggregationOperator: matchGroups.aggregationOperator,
logicalOperator: matchGroups.logicalOperator,
};
}
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