Temporaly reverted old test variant

front_new/js/serialapi.js

@@ -0,0 +1,16 @@
+const { SerialPort } = require("serialport");
+
+async function serialList() {
+  const ports = await SerialPort.list();
+  return ports; // path, manufacturer, serialNumber, pnpId, locationId, friendlyName, vendorId, productId
+}
+
+async function serialOpen(port) {
+  const serial = new SerialPort({
+    path: port,
+    baudRate: 115200,
+  });
+  return serial;
+}
+
+module.exports = { serialList, serialOpen };