return new Promise(function (resolve, reject) { let opts = { connectionStrategy: { maxRetry: 1 } }; let client = new opcua.OPCUAClient(opts); try { client.connect(endpointUrl, function (err) {
client = new opcua.OPCUAClient(opts);
return new Promise(function (resolve, reject) { let opts = { connectionStrategy: { maxRetry: 1 } }; let client = new opcua.OPCUAClient(opts); try { client.connect(endpointUrl, function (err) {
client = new opcua.OPCUAClient(opts);