Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_nodes/comfyui-custom-scripts/web/js/common/binding.js

@@ -0,0 +1,244 @@
+// @ts-check
+// @ts-ignore
+import { ComfyWidgets } from "../../../../scripts/widgets.js";
+// @ts-ignore
+import { api } from "../../../../scripts/api.js";
+// @ts-ignore
+import { app } from "../../../../scripts/app.js";
+
+const PathHelper = {
+	get(obj, path) {
+		if (typeof path !== "string") {
+			// Hardcoded value
+			return path;
+		}
+
+		if (path[0] === '"' && path[path.length - 1] === '"') {
+			// Hardcoded string
+			return JSON.parse(path);
+		}
+
+		// Evaluate the path
+		path = path.split(".").filter(Boolean);
+		for (const p of path) {
+			const k = isNaN(+p) ? p : +p;
+			obj = obj[k];
+		}
+
+		return obj;
+	},
+	set(obj, path, value) {
+		// https://stackoverflow.com/a/54733755
+		if (Object(obj) !== obj) return obj; // When obj is not an object
+		// If not yet an array, get the keys from the string-path
+		if (!Array.isArray(path)) path = path.toString().match(/[^.[\]]+/g) || [];
+		path.slice(0, -1).reduce(
+			(
+				a,
+				c,
+				i // Iterate all of them except the last one
+			) =>
+				Object(a[c]) === a[c] // Does the key exist and is its value an object?
+					? // Yes: then follow that path
+					  a[c]
+					: // No: create the key. Is the next key a potential array-index?
+					  (a[c] =
+							Math.abs(path[i + 1]) >> 0 === +path[i + 1]
+								? [] // Yes: assign a new array object
+								: {}), // No: assign a new plain object
+			obj
+		)[path[path.length - 1]] = value; // Finally assign the value to the last key
+		return obj; // Return the top-level object to allow chaining
+	},
+};
+
+/***
+	@typedef { {
+		left: string;
+		op: "eq" | "ne",
+		right: string
+	} } IfCondition 
+
+	@typedef { {
+		type: "if",
+		condition: Array<IfCondition>,
+		true?: Array<BindingCallback>,
+		false?: Array<BindingCallback>
+	} } IfCallback
+
+	@typedef { {
+		type: "fetch",
+		url: string,
+		then: Array<BindingCallback>
+	} } FetchCallback 
+
+	@typedef { {
+		type: "set",
+		target: string,
+		value: string
+	} } SetCallback 
+
+	@typedef { {
+		type: "validate-combo",
+	} } ValidateComboCallback 
+
+	@typedef { IfCallback | FetchCallback | SetCallback | ValidateComboCallback } BindingCallback 
+
+	@typedef { {
+		source: string,
+		callback: Array<BindingCallback>
+	} } Binding 
+***/
+
+/**
+ * @param {IfCondition} condition
+ */
+function evaluateCondition(condition, state) {
+	const left = PathHelper.get(state, condition.left);
+	const right = PathHelper.get(state, condition.right);
+
+	let r;
+	if (condition.op === "eq") {
+		r = left === right;
+	} else {
+		r = left !== right;
+	}
+
+	return r;
+}
+
+/**
+ * @type { Record<BindingCallback["type"], (cb: any, state: Record<string, any>) => Promise<void>> }
+ */
+const callbacks = {
+	/**
+	 * @param {IfCallback} cb
+	 */
+	async if(cb, state) {
+		// For now only support ANDs
+		let success = true;
+		for (const condition of cb.condition) {
+			const r = evaluateCondition(condition, state);
+			if (!r) {
+				success = false;
+				break;
+			}
+		}
+
+		for (const m of cb[success + ""] ?? []) {
+			await invokeCallback(m, state);
+		}
+	},
+	/**
+	 * @param {FetchCallback} cb
+	 */
+	async fetch(cb, state) {
+		const url = cb.url.replace(/\{([^\}]+)\}/g, (m, v) => {
+			return PathHelper.get(state, v);
+		});
+		const res = await (await api.fetchApi(url)).json();
+		state["$result"] = res;
+		for (const m of cb.then) {
+			await invokeCallback(m, state);
+		}
+	},
+	/**
+	 * @param {SetCallback} cb
+	 */
+	async set(cb, state) {
+		const value = PathHelper.get(state, cb.value);
+		PathHelper.set(state, cb.target, value);
+	},
+	async "validate-combo"(cb, state) {
+		const w = state["$this"];
+		const valid = w.options.values.includes(w.value);
+		if (!valid) {
+			w.value = w.options.values[0];
+		}
+	},
+};
+
+async function invokeCallback(callback, state) {
+	if (callback.type in callbacks) {
+		// @ts-ignore
+		await callbacks[callback.type](callback, state);
+	} else {
+		console.warn(
+			"%c[🐍 pysssss]",
+			"color: limegreen",
+			`[binding ${state.$node.comfyClass}.${state.$this.name}]`,
+			"unsupported binding callback type:",
+			callback.type
+		);
+	}
+}
+
+app.registerExtension({
+	name: "pysssss.Binding",
+	beforeRegisterNodeDef(node, nodeData) {
+		const hasBinding = (v) => {
+			if (!v) return false;
+			return Object.values(v).find((c) => c[1]?.["pysssss.binding"]);
+		};
+		const inputs = { ...nodeData.input?.required, ...nodeData.input?.optional };
+		if (hasBinding(inputs)) {
+			const onAdded = node.prototype.onAdded;
+			node.prototype.onAdded = function () {
+				const r = onAdded?.apply(this, arguments);
+
+				for (const widget of this.widgets || []) {
+					const bindings = inputs[widget.name][1]?.["pysssss.binding"];
+					if (!bindings) continue;
+
+					for (const binding of bindings) {
+						/**
+						 * @type {import("../../../../../web/types/litegraph.d.ts").IWidget}
+						 */
+						const source = this.widgets.find((w) => w.name === binding.source);
+						if (!source) {
+							console.warn(
+								"%c[🐍 pysssss]",
+								"color: limegreen",
+								`[binding ${node.comfyClass}.${widget.name}]`,
+								"unable to find source binding widget:",
+								binding.source,
+								binding
+							);
+							continue;
+						}
+
+						let lastValue;
+						async function valueChanged() {
+							const state = {
+								$this: widget,
+								$source: source,
+								$node: node,
+							};
+
+							for (const callback of binding.callback) {
+								await invokeCallback(callback, state);
+							}
+
+							app.graph.setDirtyCanvas(true, false);
+						}
+
+						const cb = source.callback;
+						source.callback = function () {
+							const v = cb?.apply(this, arguments) ?? source.value;
+							if (v !== lastValue) {
+								lastValue = v;
+								valueChanged();
+							}
+							return v;
+						};
+
+						lastValue = source.value;
+						valueChanged();
+					}
+				}
+
+				return r;
+			};
+		}
+	},
+});