index.js
function Conf(config, _pg) {
    if (typeof config === 'string') config = {connectionString: config};
    this._config = config;
    this._pg = _pg || pg;
    this._pool = this._pg.Pool(config);
}
function Conf(config, _pg) {
    if (typeof config === 'string') config = {connectionString: config};
    this._config = config;
    this._pg = _pg || pg;
    this._pool = this._pg.Pool(config);
}
function Conf ( config , _pg ) { if ( typeof config === 'string' ) config = { connectionString : config } ; this . _config = config ; this . _pg = _pg || pg ; this . _pool = this . _pg . Pool ( config ) ; }
A Conf object
A Conf object