File size: 6,148 Bytes
9cd0422
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
import { app } from "../../scripts/app.js";

// Node that allows you to redirect connections for cleaner graphs

app.registerExtension({
	name: "Comfy.RerouteNode",
	registerCustomNodes() {
		class RerouteNode {
			constructor() {
				if (!this.properties) {
					this.properties = {};
				}
				this.properties.showOutputText = RerouteNode.defaultVisibility;

				this.addInput("", "*");
				this.addOutput(this.properties.showOutputText ? "*" : "", "*");

				this.onConnectionsChange = function (type, index, connected, link_info) {
					// Prevent multiple connections to different types when we have no input
					if (connected && type === LiteGraph.OUTPUT) {
						// Ignore wildcard nodes as these will be updated to real types
						const types = new Set(this.outputs[0].links.map((l) => app.graph.links[l].type).filter((t) => t !== "*"));
						if (types.size > 1) {
							for (let i = 0; i < this.outputs[0].links.length - 1; i++) {
								const linkId = this.outputs[0].links[i];
								const link = app.graph.links[linkId];
								const node = app.graph.getNodeById(link.target_id);
								node.disconnectInput(link.target_slot);
							}
						}
					}

					// Find root input
					let currentNode = this;
					let updateNodes = [];
					let inputType = null;
					let inputNode = null;
					while (currentNode) {
						updateNodes.unshift(currentNode);
						const linkId = currentNode.inputs[0].link;
						if (linkId !== null) {
							const link = app.graph.links[linkId];
							const node = app.graph.getNodeById(link.origin_id);
							const type = node.constructor.type;
							if (type === "Reroute") {
								if (node === this) {
									// We've found a circle
									currentNode.disconnectInput(link.target_slot);
									currentNode = null;
								}
								else {
								// Move the previous node
									currentNode = node;
								}
							} else {
								// We've found the end
								inputNode = currentNode;
								inputType = node.outputs[link.origin_slot].type;
								break;
							}
						} else {
							// This path has no input node
							currentNode = null;
							break;
						}
					}

					// Find all outputs
					const nodes = [this];
					let outputType = null;
					while (nodes.length) {
						currentNode = nodes.pop();
						const outputs = (currentNode.outputs ? currentNode.outputs[0].links : []) || [];
						if (outputs.length) {
							for (const linkId of outputs) {
								const link = app.graph.links[linkId];

								// When disconnecting sometimes the link is still registered
								if (!link) continue;

								const node = app.graph.getNodeById(link.target_id);
								const type = node.constructor.type;

								if (type === "Reroute") {
									// Follow reroute nodes
									nodes.push(node);
									updateNodes.push(node);
								} else {
									// We've found an output
									const nodeOutType = node.inputs[link.target_slot].type;
									if (inputType && nodeOutType !== inputType) {
										// The output doesnt match our input so disconnect it
										node.disconnectInput(link.target_slot);
									} else {
										outputType = nodeOutType;
									}
								}
							}
						} else {
							// No more outputs for this path
						}
					}

					const displayType = inputType || outputType || "*";
					const color = LGraphCanvas.link_type_colors[displayType];

					// Update the types of each node
					for (const node of updateNodes) {
						// If we dont have an input type we are always wildcard but we'll show the output type
						// This lets you change the output link to a different type and all nodes will update
						node.outputs[0].type = inputType || "*";
						node.__outputType = displayType;
						node.outputs[0].name = node.properties.showOutputText ? displayType : "";
						node.size = node.computeSize();

						for (const l of node.outputs[0].links || []) {
							const link = app.graph.links[l];
							if (link) {
								link.color = color;
							}
						}
					}

					if (inputNode) {
						const link = app.graph.links[inputNode.inputs[0].link];
						if (link) {
							link.color = color;
						}
					}
				};

				this.clone = function () {
					const cloned = RerouteNode.prototype.clone.apply(this);
					cloned.removeOutput(0);
					cloned.addOutput(this.properties.showOutputText ? "*" : "", "*");
					cloned.size = cloned.computeSize();
					return cloned;
				};

				// This node is purely frontend and does not impact the resulting prompt so should not be serialized
				this.isVirtualNode = true;
			}

			getExtraMenuOptions(_, options) {
				options.unshift(
					{
						content: (this.properties.showOutputText ? "Hide" : "Show") + " Type",
						callback: () => {
							this.properties.showOutputText = !this.properties.showOutputText;
							if (this.properties.showOutputText) {
								this.outputs[0].name = this.__outputType || this.outputs[0].type;
							} else {
								this.outputs[0].name = "";
							}
							this.size = this.computeSize();
							app.graph.setDirtyCanvas(true, true);
						},
					},
					{
						content: (RerouteNode.defaultVisibility ? "Hide" : "Show") + " Type By Default",
						callback: () => {
							RerouteNode.setDefaultTextVisibility(!RerouteNode.defaultVisibility);
						},
					}
				);
			}

			computeSize() {
				return [
					this.properties.showOutputText && this.outputs && this.outputs.length
						? Math.max(75, LiteGraph.NODE_TEXT_SIZE * this.outputs[0].name.length * 0.6 + 40)
						: 75,
					26,
				];
			}

			static setDefaultTextVisibility(visible) {
				RerouteNode.defaultVisibility = visible;
				if (visible) {
					localStorage["Comfy.RerouteNode.DefaultVisibility"] = "true";
				} else {
					delete localStorage["Comfy.RerouteNode.DefaultVisibility"];
				}
			}
		}

		// Load default visibility
		RerouteNode.setDefaultTextVisibility(!!localStorage["Comfy.RerouteNode.DefaultVisibility"]);

		LiteGraph.registerNodeType(
			"Reroute",
			Object.assign(RerouteNode, {
				title_mode: LiteGraph.NO_TITLE,
				title: "Reroute",
				collapsable: false,
			})
		);

		RerouteNode.category = "utils";
	},
});