Account for upstream links when refreshing combo widgets

src/lib/nodes/widgets/ComfyCheckboxNode.ts

@@ -0,0 +1,43 @@
+import { BuiltInSlotType, LiteGraph, type SlotLayout } from "@litegraph-ts/core";
+
+import CheckboxWidget from "$lib/widgets/CheckboxWidget.svelte";
+import type { ComfyWidgetProperties } from "./ComfyWidgetNode";
+import ComfyWidgetNode from "./ComfyWidgetNode";
+
+export interface ComfyCheckboxProperties extends ComfyWidgetProperties {
+}
+
+export default class ComfyCheckboxNode extends ComfyWidgetNode<boolean> {
+    override properties: ComfyCheckboxProperties = {
+        tags: [],
+        defaultValue: false,
+    }
+
+    static slotLayout: SlotLayout = {
+        inputs: [
+            { name: "store", type: BuiltInSlotType.ACTION }
+        ],
+        outputs: [
+            { name: "value", type: "boolean" },
+            { name: "changed", type: BuiltInSlotType.EVENT },
+        ]
+    }
+
+    override svelteComponentType = CheckboxWidget;
+    override defaultValue = false;
+
+    constructor(name?: string) {
+        super(name, false)
+    }
+
+    override parseValue(param: any) {
+        return Boolean(param);
+    }
+}
+
+LiteGraph.registerNodeType({
+    class: ComfyCheckboxNode,
+    title: "UI.Checkbox",
+    desc: "Checkbox that stores a boolean value",
+    type: "ui/checkbox"
+})