@neo4j/cypher-builder
Version:
A programmatic API for building Cypher queries for Neo4j
51 lines (50 loc) • 1.51 kB
JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*/
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 {
params;
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");
if (this.params.length == 1) {
return `SET ${paramsStr}`;
}
else {
return `SET\n${(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;