neo4-js/lib/index.js

Neo4j graphdb object graph mapper for javascript

"use strict";
function __export(m) {
    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
}
Object.defineProperty(exports, "__esModule", { value: true });
const neo4j_driver_1 = require("neo4j-driver");
const debug = require("debug");
const d = debug("neo4js:debug");
class neo4js {
    constructor() {
        this.close = () => {
            d("Closing neo4js connection");
            this.driver.close();
        };
        this.run = (cmd, params) => {
            let session = this.driver.session();
            d("Cypher query: %s", cmd);
            d("Params: %O", params);
            return session
                .run(cmd, params)
                .then(raw => {
                d("Raw result: %O", raw);
                session.close();
                let result = raw.records.map(r => r.toObject()).map(r => {
                    let keys = Object.keys(r);
                    let o = {};
                    keys.forEach(k => (o[k] = r[k] ? r[k].properties : null));
                    return o;
                });
                result._stats = raw.summary.counters._stats;
                result._raw = raw;
                d("Prepared result: %O", result);
                return result;
            })
                .catch(err => {
                session.close();
                throw err;
            });
        };
    }
    init(options) {
        this.options = Object.assign({}, options);
        // TODO: at least some verification...
        const uri = `bolt://${this.options.boltUri}:${this.options.boltPort}`;
        const { username, password } = this.options;
        let auth = undefined;
        if (username) {
            auth = neo4j_driver_1.v1.auth.basic(username, password);
        }
        d("Init neo4js: %O", Object.assign({}, this.options, { uri, username, password }));
        if (this.driver)
            this.close();
        this.driver = neo4j_driver_1.v1.driver(uri, auth);
    }
}
exports.neo4js = neo4js;
exports.default = new neo4js();
__export(require("./Model"));
__export(require("./ModelInstance"));
__export(require("./Relation"));
__export(require("./Decorators"));