Play sound node

js/playSound.js

@@ -0,0 +1,24 @@
+import { app } from "/scripts/app.js";
+
+app.registerExtension({
+	name: "pysssss.PlaySound",
+	async beforeRegisterNodeDef(nodeType, nodeData, app) {
+		if (nodeData.name === "PlaySound|pysssss") {
+			const onExecuted = nodeType.prototype.onExecuted;
+			nodeType.prototype.onExecuted = async function () {
+				onExecuted?.apply(this, arguments);
+				if (this.widgets[0].value === "on empty queue") {
+					if (app.ui.lastQueueSize !== 0) {
+						await new Promise((r) => setTimeout(r, 500));
+					}
+					if (app.ui.lastQueueSize !== 0) {
+						return;
+					}
+				}
+				const url = new URL(`assets/notify.mp3`, import.meta.url);
+				const audio = new Audio(url);
+				audio.play();
+			};
+		}
+	},
+});

py/play_sound.py

@@ -0,0 +1,39 @@
+# Hack: string type that is always equal in not equal comparisons
+class AnyType(str):
+    def __ne__(self, __value: object) -> bool:
+        return False
+
+
+# Our any instance wants to be a wildcard string
+any = AnyType("*")
+
+
+class PlaySound:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required": {
+            "any": (any, {}),
+            "mode": (["always", "on empty queue"], {}),
+        }}
+
+    FUNCTION = "nop"
+    INPUT_IS_LIST = True
+    OUTPUT_NODE = True
+    RETURN_TYPES = ()
+
+    CATEGORY = "utils"
+
+    def IS_CHANGED(self, **kwargs):
+        return float("NaN")
+
+    def nop(self, any, mode):
+        return {"ui": {"a":[]}, "result": ()}
+
+
+NODE_CLASS_MAPPINGS = {
+    "PlaySound|pysssss": PlaySound,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "PlaySound|pysssss": "PlaySound 🐍",
+}