@neo4j/cypher-builder
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A programmatic API for building Cypher queries for Neo4j
94 lines (93 loc) • 5.32 kB
JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*/
var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
var _, done = false;
for (var i = decorators.length - 1; i >= 0; i--) {
var context = {};
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
if (kind === "accessor") {
if (result === void 0) continue;
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
if (_ = accept(result.get)) descriptor.get = _;
if (_ = accept(result.set)) descriptor.set = _;
if (_ = accept(result.init)) initializers.unshift(_);
}
else if (_ = accept(result)) {
if (kind === "field") initializers.unshift(_);
else descriptor[key] = _;
}
}
if (target) Object.defineProperty(target, contextIn.name, descriptor);
done = true;
};
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
var useValue = arguments.length > 2;
for (var i = 0; i < initializers.length; i++) {
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
}
return useValue ? value : void 0;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Unwind = void 0;
const compile_cypher_if_exists_1 = require("../utils/compile-cypher-if-exists");
const Clause_1 = require("./Clause");
const WithCreate_1 = require("./mixins/clauses/WithCreate");
const WithFilter_1 = require("./mixins/clauses/WithFilter");
const WithLet_1 = require("./mixins/clauses/WithLet");
const WithMatch_1 = require("./mixins/clauses/WithMatch");
const WithMerge_1 = require("./mixins/clauses/WithMerge");
const WithReturn_1 = require("./mixins/clauses/WithReturn");
const WithUnwind_1 = require("./mixins/clauses/WithUnwind");
const WithWith_1 = require("./mixins/clauses/WithWith");
const WithDelete_1 = require("./mixins/sub-clauses/WithDelete");
const WithOrder_1 = require("./mixins/sub-clauses/WithOrder");
const WithSetRemove_1 = require("./mixins/sub-clauses/WithSetRemove");
const Projection_1 = require("./sub-clauses/Projection");
const mixin_1 = require("./utils/mixin");
/**
* @see {@link https://neo4j.com/docs/cypher-manual/current/clauses/unwind/ | Cypher Documentation}
* @group Clauses
*/
let Unwind = (() => {
let _classDecorators = [(0, mixin_1.mixin)(WithWith_1.WithWith, WithDelete_1.WithDelete, WithMatch_1.WithMatch, WithReturn_1.WithReturn, WithSetRemove_1.WithSetRemove, WithCreate_1.WithCreate, WithMerge_1.WithMerge, WithOrder_1.WithOrder, WithLet_1.WithLet, WithFilter_1.WithFilter, WithUnwind_1.WithUnwind)];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = Clause_1.Clause;
var Unwind = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
Unwind = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
projection;
constructor(projection) {
super();
this.projection = new Projection_1.Projection([projection]);
}
/** @internal */
getCypher(env) {
const projectionStr = this.projection.getCypher(env);
const deleteCypher = (0, compile_cypher_if_exists_1.compileCypherIfExists)(this.deleteClause, env, { prefix: "\n" });
const setCypher = this.compileSetCypher(env);
const orderCypher = (0, compile_cypher_if_exists_1.compileCypherIfExists)(this.orderByStatement, env, { prefix: "\n" });
const nextClause = this.compileNextClause(env);
return `UNWIND ${projectionStr}${setCypher}${deleteCypher}${orderCypher}${nextClause}`;
}
};
return Unwind = _classThis;
})();
exports.Unwind = Unwind;