@neo4j/cypher-builder
Version:
A programmatic API for building Cypher queries for Neo4j
61 lines (60 loc) • 1.88 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.CypherFalse = exports.CypherTrue = exports.CypherNull = exports.Literal = void 0;
const escape_1 = require("../utils/escape");
/** Represents a literal value
* @group Expressions
*/
class Literal {
constructor(value) {
this.value = value;
}
/** @internal */
getCypher() {
return this.formatLiteralValue(this.value);
}
formatLiteralValue(value) {
if (typeof value === "string") {
return `"${(0, escape_1.escapeLiteralString)(value)}"`;
}
if (value === null) {
return "NULL";
}
if (Array.isArray(value)) {
const serializedValues = value.map((v) => this.formatLiteralValue(v));
return `[${serializedValues.join(", ")}]`;
}
return `${value}`;
}
}
exports.Literal = Literal;
/** Represents a `NULL` literal value
* @group Expressions
*/
exports.CypherNull = new Literal(null);
/** Represents a `true` literal value
* @group Expressions
*/
exports.CypherTrue = new Literal(true);
/** Represents a `false` literal value
* @group Expressions
*/
exports.CypherFalse = new Literal(false);