pg-cache/pg.js

PostgreSQL connection pool LRU cache manager

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getPgPool = void 0;
const pg_1 = __importDefault(require("pg"));
const pg_env_1 = require("pg-env");
const lru_1 = require("./lru");
const getDbString = (user, password, host, port, database) => `postgres://${user}:${password}@${host}:${port}/${database}`;
const getPgPool = (pgConfig) => {
    const config = (0, pg_env_1.getPgEnvOptions)(pgConfig);
    const { user, password, host, port, database, } = config;
    if (lru_1.pgCache.has(database)) {
        const cached = lru_1.pgCache.get(database);
        if (cached)
            return cached;
    }
    const connectionString = getDbString(user, password, host, port, database);
    const pgPool = new pg_1.default.Pool({ connectionString });
    lru_1.pgCache.set(database, pgPool);
    return pgPool;
};
exports.getPgPool = getPgPool;