@opengis/fastify-table/server/plugins/pg/funcs/getPGAsync.js

core-plugins

import pg from 'pg';

const { types } = pg;
types.setTypeParser(1082, (stringValue) => stringValue);
types.setTypeParser(1114, (stringValue) => stringValue);

import config from '../../../../config.js';
import dblist from '../../../../dblist.js';
import pgClients from '../pgClients.js';
import init from './init.js';
import getDBParams from './getDBParams.js';

async function getPGAsync(param) {
  if (!config.pg) return null;
  const dbListParams = dblist.find(el => el.key === param?.key)
    || dblist.find(el => el.database === (param?.db || param?.database || param));
  const {
    user, password, host, port, db, database, name: origin,
  } = dbListParams ?? (typeof param === 'string' ? getDBParams(param) : param || {});
  const name = origin || db || database || param || 'client';

  if (pgClients[name]?.tlist) return pgClients[name];

  const dbConfig = {
    user: user || config.pg?.user || 'postgres',
    password: password || config.pg?.password || 'postgres',
    host: host || config.pg?.host,
    port: port || config.pg?.port,
    database: db || database || config.pg?.db || config.pg?.database,
    statement_timeout: config.pg?.statement_timeout || 10000,
  };

  if (!dbConfig.database) { return null; }

  pgClients[name] = new pg.Pool(dbConfig);

  await init(pgClients[name]);

  return pgClients[name];
}

export default getPGAsync;