Mongoose.prototype.createConnection = function(uri, options, callback) {
const conn = new Connection(this);
if (typeof options === 'function') {
callback = options;
options = null;
}
this.connections.push(conn);
if (arguments.length > 0) {
return conn.openUri(uri, options, callback);
}
return conn;
};
Mongoose.prototype.createConnection = function(uri, options) {
var conn = new Connection(this);
this.connections.push(conn);
var rsOption = options && (options.replset || options.replSet);
if (options && options.useMongoClient) {
return conn.openUri(uri, options);
}
if (arguments.length) {
if (rgxReplSet.test(arguments[0]) || checkReplicaSetInUri(arguments[0])) {
conn._openSetWithoutPromise.apply(conn, arguments);
} else if (rsOption &&
(rsOption.replicaSet || rsOption.rs_name)) {
conn._openSetWithoutPromise.apply(conn, arguments);
} else {
conn._openWithoutPromise.apply(conn, arguments);
}
}
return conn;
};