@neo4j/cypher-builder
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A programmatic API for building Cypher queries for Neo4j
59 lines (58 loc) • 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.SetClause = void 0;
const CypherASTNode_1 = require("../../CypherASTNode");
const Label_1 = require("../../references/Label");
const pad_block_1 = require("../../utils/pad-block");
class SetClause extends CypherASTNode_1.CypherASTNode {
constructor(parent, params = []) {
super(parent);
this.params = params;
}
addParams(...params) {
this.params.push(...params);
}
/** @internal */
getCypher(env) {
if (this.params.length === 0)
return "";
const paramsStr = this.params
.map((param) => {
return this.composeParam(env, param);
})
.join(",\n");
return `SET\n${(0, pad_block_1.padBlock)(paramsStr)}`;
}
composeParam(env, setParam) {
if (setParam instanceof Label_1.Label) {
return setParam.getCypher(env);
}
else if (setParam.length === 3) {
const [ref, operator, param] = setParam;
return `${ref.getCypher(env)} ${operator} ${param.getCypher(env)}`;
}
else {
const [ref, param] = setParam;
return `${ref.getCypher(env)} = ${param.getCypher(env)}`;
}
}
}
exports.SetClause = SetClause;