orm-postgresql/dist/core/Connection.js

Um ORM TypeScript para PostgreSQL com funcionalidades semelhantes ao Entity Framework e suporte a LINQ-like queries.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Connection = void 0;
const pg_1 = require("pg");
class Connection {
    constructor() {
        this.client = new pg_1.Client({
            host: process.env.DB_HOST,
            port: parseInt(process.env.DB_PORT || '5432'),
            user: process.env.DB_USER,
            password: process.env.DB_PASSWORD,
            database: process.env.DB_NAME,
        });
    }
    static getInstance() {
        if (!Connection.instance) {
            Connection.instance = new Connection();
        }
        return Connection.instance;
    }
    connect() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.client.connect();
        });
    }
    query(query, values) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                const result = yield this.client.query(query, values);
                return result.rows;
            }
            catch (error) {
                console.error('Query error:', error);
                throw error;
            }
        });
    }
    close() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.client.end();
        });
    }
}
exports.Connection = Connection;
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