feat: alert user when connection failed, resolves #53

src/lib/serial/device.ts

@@ -54,6 +54,7 @@ export class CharaDevice {
   constructor(private readonly baudRate = 115200) {}
 
   async init(manual = false) {
+    try {
       const ports = await getViablePorts()
       this.port =
         !manual && ports.length === 1
@@ -79,6 +80,11 @@ export class CharaDevice {
       this.device = device as "ONE" | "LITE"
       this.chipset = chipset as "M0" | "S2"
       this.keyCount = this.device === "ONE" ? 90 : 67
+    } catch (e) {
+      alert(e)
+      console.error(e)
+      throw e
+    }
   }
 
   private async suspend() {