@neo4j/cypher-builder
Version:
A programmatic API for building Cypher queries for Neo4j
73 lines (72 loc) • 2.7 kB
JavaScript
"use strict";
/*
* 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.WithSetRemove = void 0;
const compile_cypher_if_exists_1 = require("../../../utils/compile-cypher-if-exists");
const Remove_1 = require("../../sub-clauses/Remove");
const Set_1 = require("../../sub-clauses/Set");
const Mixin_1 = require("../Mixin");
class WithSetRemove extends Mixin_1.Mixin {
/** Append a `SET` clause. Allowing to assign variable properties to values.
* @see {@link https://neo4j.com/docs/cypher-manual/current/clauses/set/ | Cypher Documentation}
*/
set(...params) {
if (!this.subClauses) {
this.subClauses = []; // Due to mixin wonkiness, we need to lazy initialize
}
if (this.lastSubClause instanceof Set_1.SetClause) {
this.lastSubClause.addParams(...params);
}
else {
this.subClauses.push(new Set_1.SetClause(this, params));
}
return this;
}
/** Append a `REMOVE` clause.
* @see {@link https://neo4j.com/docs/cypher-manual/current/clauses/remove/ | Cypher Documentation}
*/
remove(...properties) {
if (!this.subClauses) {
this.subClauses = []; // Due to mixin wonkiness, we need to lazy initialize
}
if (this.lastSubClause instanceof Remove_1.RemoveClause) {
this.lastSubClause.addParams(...properties);
}
else {
this.subClauses.push(new Remove_1.RemoveClause(this, properties));
}
return this;
}
compileSetCypher(env) {
const subclausesCypher = (this.subClauses || [])
.map((subclause) => {
return (0, compile_cypher_if_exists_1.compileCypherIfExists)(subclause, env, { prefix: "\n" });
})
.join("");
return subclausesCypher;
}
get lastSubClause() {
if (!this.subClauses) {
return undefined;
}
return this.subClauses[this.subClauses.length - 1];
}
}
exports.WithSetRemove = WithSetRemove;