feat: tauri serial polyfill

src-tauri/src/main.rs

@@ -1,8 +1,11 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
+mod serial;
+
 fn main() {
-  tauri::Builder::default()
-    .run(tauri::generate_context!())
-    .expect("error while running tauri application");
+    tauri::Builder::default()
+        .plugin(serial::init())
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
 }

src-tauri/src/serial.rs

@@ -0,0 +1,39 @@
+use serde::Serialize;
+use serialport::{available_ports, SerialPortType};
+use tauri::plugin::{Builder, TauriPlugin};
+use tauri::{command, generate_handler, Runtime};
+
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("serial")
+        .invoke_handler(generate_handler![get_serial_ports])
+        .build()
+}
+
+#[derive(Serialize)]
+struct WebSerialPortInfo {
+    pub name: String,
+    pub product_id: u16,
+    pub vendor_id: u16,
+    pub serial_number: Option<String>,
+    pub manufacturer: Option<String>,
+    pub product: Option<String>,
+}
+
+#[command]
+fn get_serial_ports() -> Vec<WebSerialPortInfo> {
+    available_ports()
+        .unwrap()
+        .iter()
+        .filter_map(|port| match &port.port_type {
+            SerialPortType::UsbPort(usb) => Some(WebSerialPortInfo {
+                name: port.port_name.clone(),
+                vendor_id: usb.vid,
+                product_id: usb.pid,
+                serial_number: usb.serial_number.clone(),
+                manufacturer: usb.manufacturer.clone(),
+                product: usb.product.clone(),
+            }),
+            _ => None,
+        })
+        .collect()
+}