@neo4j/cypher-builder/dist/references/Param.js

A programmatic API for building Cypher queries for Neo4j

"use strict";
/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.NamedParam = exports.Param = void 0;
const Variable_1 = require("./Variable");
/** Represents a parameter that will be passed as a separate object
 * @group Variables
 */
class Param extends Variable_1.Variable {
    value;
    constructor(value) {
        super();
        this.prefix = "param";
        this.value = value;
    }
    /** Defines if the Param has a value that needs to be returned by the builder */
    get hasValue() {
        return this.value !== undefined;
    }
    getCypher(env) {
        if (this.isNull) {
            return "NULL";
        }
        return `$${env.getReferenceId(this)}`;
    }
    get isNull() {
        return this.value === null;
    }
}
exports.Param = Param;
/** Represents a parameter with a given name
 * @group Variables
 */
class NamedParam extends Param {
    id;
    constructor(name, value) {
        super(value);
        this.id = name;
    }
    /** @internal */
    getCypher(env) {
        env.addNamedParamReference(this.id, this);
        return super.getCypher(env);
    }
}
exports.NamedParam = NamedParam;