@neo4j/graphql
Version:
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations
51 lines • 1.98 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.createEventMeta = createEventMeta;
exports.createEventMetaObject = createEventMetaObject;
const constants_1 = require("../../constants");
function createEventMeta(params) {
return `${constants_1.META_CYPHER_VARIABLE} + ${createEventMetaObject(params)} AS ${constants_1.META_CYPHER_VARIABLE}`;
}
function createEventMetaObject({ event, nodeVariable, typename }) {
const properties = createEventMetaProperties({ event, nodeVariable });
return `{ event: "${event}", id: id(${nodeVariable}), ${properties}, timestamp: timestamp(), typename: "${typename}" }`;
}
function createEventMetaProperties({ event, nodeVariable, }) {
let oldProps;
let newProps;
switch (event) {
case "create":
oldProps = "null";
newProps = `${nodeVariable} { .* }`;
break;
case "update":
oldProps = constants_1.META_OLD_PROPS_CYPHER_VARIABLE;
newProps = `${nodeVariable} { .* }`;
break;
case "delete":
oldProps = `${nodeVariable} { .* }`;
newProps = "null";
break;
// no default
}
return `properties: { old: ${oldProps}, new: ${newProps} }`;
}
//# sourceMappingURL=create-event-meta.js.map