Fix notification inputs

Instead of trying to manually find the widget values, pass the values to
the the frontend.

Fixes: #409

py/system_notification.py

@@ -28,8 +28,8 @@ class SystemNotification:
     def IS_CHANGED(self, **kwargs):
         return float("NaN")
 
-    def nop(self, any, **kwargs):
-        return {"ui": {"a": []}, "result": (any,)}
+    def nop(self, any, message, mode):
+        return {"ui": {"message": message, "mode": mode}, "result": (any,)}
 
 
 NODE_CLASS_MAPPINGS = {

web/js/systemNotification.js

@@ -22,12 +22,10 @@ app.registerExtension({
 	async beforeRegisterNodeDef(nodeType, nodeData, app) {
 		if (nodeData.name === "SystemNotification|pysssss") {
 			const onExecuted = nodeType.prototype.onExecuted;
-			nodeType.prototype.onExecuted = async function () {
+			nodeType.prototype.onExecuted = async function ({ message, mode }) {
 				onExecuted?.apply(this, arguments);
-				const mode = this.widgets.find((w) => w.name === "mode");
-				const message = this.widgets.find((w) => w.name === "message");
 
-				if (mode.value === "on empty queue") {
+				if (mode === "on empty queue") {
 					if (app.ui.lastQueueSize !== 0) {
 						await new Promise((r) => setTimeout(r, 500));
 					}
@@ -36,7 +34,7 @@ app.registerExtension({
 					}
 				}
 				if (!notificationSetup()) return;
-				const notification = new Notification("ComfyUI", { body: message.value ?? "Your notification has triggered." });
+				const notification = new Notification("ComfyUI", { body: message ?? "Your notification has triggered." });
 			};
 
 			const onNodeCreated = nodeType.prototype.onNodeCreated;