Add error handling to serial.connectAndOpen

Wrap serial.connectAndOpen calls in try/catch across multiple WebSerial sketches to prevent uncaught exceptions on connection failure and log errors to the console. Behavior is unchanged on successful connect; failures now produce a console error message.

Author: jonfroehlich

WebSerial/ml5js/NoseTracker/sketch.js

@@ -202,6 +202,10 @@ function drawEye(x, y) {
 
 function mouseClicked() {
   if (!serial.isOpen()) {
-    serial.connectAndOpen(null, serialOptions);
+    try {
+      serial.connectAndOpen(null, serialOptions);
+    } catch (error) {
+      console.error("Serial connection failed:", error);
+    }
   }
 }

WebSerial/p5js/CircleSizeIn/sketch.js

@@ -118,6 +118,10 @@ function draw() {
 
 function mouseClicked() {
   if (!serial.isOpen()) {
-    serial.connectAndOpen(null, serialOptions);
+    try {
+      serial.connectAndOpen(null, serialOptions);
+    } catch (error) {
+      console.error("Serial connection failed:", error);
+    }
   }
-}
+}

WebSerial/p5js/CircleSizeInDemo/sketch.js

@@ -65,6 +65,10 @@ function onSerialDataReceived(eventSender, newData) {
 
 function mouseClicked() {
   if (!serial.isOpen()) {
-    serial.connectAndOpen(null, serialOptions);
+    try {
+      serial.connectAndOpen(null, serialOptions);
+    } catch (error) {
+      console.error("Serial connection failed:", error);
+    }
   }
 }

WebSerial/p5js/GraphIn/sketch.js

@@ -77,6 +77,10 @@ function onSerialDataReceived(eventSender, newData) {
 
 function mouseClicked() {
   if (!serial.isOpen()) {
-    serial.connectAndOpen(null, serialOptions);
+    try {
+      serial.connectAndOpen(null, serialOptions);
+    } catch (error) {
+      console.error("Serial connection failed:", error);
+    }
   }
 }

WebSerial/p5js/XMouseSerialOut/sketch.js

@@ -106,6 +106,10 @@ function onSerialDataReceived(eventSender, newData) {
  */
 function mouseClicked() {
   if (!serial.isOpen()) {
-    serial.connectAndOpen(null, serialOptions);
+    try {
+      serial.connectAndOpen(null, serialOptions);
+    } catch (error) {
+      console.error("Serial connection failed:", error);
+    }
   }
 }