Update litegraph to latest.

.gitignore

@@ -14,4 +14,3 @@ venv/
 web/extensions/*
 !web/extensions/logging.js.example
 !web/extensions/core/
-startup-scripts/

web/lib/litegraph.core.js

@@ -144,6 +144,10 @@
 
         ctrl_shift_v_paste_connect_unselected_outputs: true, //[true!] allows ctrl + shift + v to paste nodes with the outputs of the unselected nodes connected with the inputs of the newly pasted nodes
 
+        // if true, all newly created nodes/links will use string UUIDs for their id fields instead of integers.
+        // use this if you must have node IDs that are unique across all graphs and subgraphs.
+        use_uuids: false,
+
         /**
          * Register a node class so it can be listed when the user wants to create a new one
          * @method registerNodeType
@@ -603,6 +607,13 @@
             return target;
         },
 
+        /*
+         * https://gist.github.com/jed/982883?permalink_comment_id=852670#gistcomment-852670
+         */
+        uuidv4: function() {
+            return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,a=>(a^Math.random()*16>>a/4).toString(16));
+        },
+
         /**
          * Returns if the types of two slots are compatible (taking into account wildcards, etc)
          * @method isValidConnection
@@ -1407,7 +1418,12 @@
             console.warn(
                 "LiteGraph: there is already a node with this ID, changing it"
             );
-            node.id = ++this.last_node_id;
+            if (LiteGraph.use_uuids) {
+                node.id = LiteGraph.uuidv4();
+            }
+            else {
+                node.id = ++this.last_node_id;
+            }
         }
 
         if (this._nodes.length >= LiteGraph.MAX_NUMBER_OF_NODES) {
@@ -1415,10 +1431,16 @@
         }
 
         //give him an id
-        if (node.id == null || node.id == -1) {
+        if (LiteGraph.use_uuids) {
-            node.id = ++this.last_node_id;
+            if (node.id == null || node.id == -1)
-        } else if (this.last_node_id < node.id) {
+                node.id = LiteGraph.uuidv4();
-            this.last_node_id = node.id;
+        }
+        else {
+            if (node.id == null || node.id == -1) {
+                node.id = ++this.last_node_id;
+            } else if (this.last_node_id < node.id) {
+                this.last_node_id = node.id;
+            }
         }
 
         node.graph = this;
@@ -2415,7 +2437,12 @@
             enumerable: true
         });
 
-        this.id = -1; //not know till not added
+        if (LiteGraph.use_uuids) {
+            this.id = LiteGraph.uuidv4();
+        }
+        else {
+            this.id = -1; //not know till not added
+        }
         this.type = null;
 
         //inputs available: array of inputs
@@ -2629,6 +2656,11 @@
         }
 
         delete data["id"];
+
+        if (LiteGraph.use_uuids) {
+            data["id"] = LiteGraph.uuidv4()
+        }
+
         //remove links
         node.configure(data);
 
@@ -3540,8 +3572,8 @@
     /**
      * computes the minimum size of a node according to its inputs and output slots
      * @method computeSize
-     * @param {number} minHeight
+     * @param {vec2} minHeight
-     * @return {number} the total size
+     * @return {vec2} the total size
      */
     LGraphNode.prototype.computeSize = function(out) {
         if (this.constructor.size) {
@@ -4280,9 +4312,15 @@
             }
         }
 
+        var nextId
+        if (LiteGraph.use_uuids)
+            nextId = LiteGraph.uuidv4();
+        else
+            nextId = ++this.graph.last_link_id;
+        
 		//create link class
 		link_info = new LLink(
-			++this.graph.last_link_id,
+			nextId,
 			input.type || output.type,
 			this.id,
 			slot,
@@ -6023,6 +6061,9 @@ LGraphNode.prototype.executeAction = function(action)
                 //it wasn't clicked on the links boxes
                 if (!skip_action) {
                     var block_drag_node = false;
+                    if(node && node.flags && node.flags.pinned) {
+                        block_drag_node = true;
+                    }
 					var pos = [e.canvasX - node.pos[0], e.canvasY - node.pos[1]];
 
                     //widgets
@@ -7070,6 +7111,8 @@ LGraphNode.prototype.executeAction = function(action)
         var selected_nodes_array = [];
         for (var i in this.selected_nodes) {
             var node = this.selected_nodes[i];
+            if (node.clonable === false)
+                continue;
             node._relative_id = index;
             selected_nodes_array.push(node);
             index += 1;
@@ -7077,12 +7120,12 @@ LGraphNode.prototype.executeAction = function(action)
 
         for (var i = 0; i < selected_nodes_array.length; ++i) {
             var node = selected_nodes_array[i];
-			var cloned = node.clone();
+            var cloned = node.clone();
-			if(!cloned)
+            if(!cloned)
-			{
+            {
-				console.warn("node type not found: " + node.type );
+                console.warn("node type not found: " + node.type );
-				continue;
+                continue;
-			}
+            }
             clipboard_info.nodes.push(cloned.serialize());
             if (node.inputs && node.inputs.length) {
                 for (var j = 0; j < node.inputs.length; ++j) {
@@ -9952,7 +9995,7 @@ LGraphNode.prototype.executeAction = function(action)
 					break;
 				case "slider":
 					var old_value = w.value;
-					var nvalue = Math.clamp((x - 15) / (widget_width - 30), 0, 1);
+					var nvalue = clamp((x - 15) / (widget_width - 30), 0, 1);
 					if(w.options.read_only) break;
 					w.value = w.options.min + (w.options.max - w.options.min) * nvalue;
 					if (old_value != w.value) {
@@ -12949,7 +12992,7 @@ LGraphNode.prototype.executeAction = function(action)
 		var newSelected = {};
 		
 		var fApplyMultiNode = function(node){
-			if (node.clonable == false) {
+			if (node.clonable === false) {
 				return;
 			}
 			var newnode = node.clone();
@@ -13344,82 +13387,6 @@ LGraphNode.prototype.executeAction = function(action)
     };
 
     //API *************************************************
-    //like rect but rounded corners
-    if (typeof(window) != "undefined" && window.CanvasRenderingContext2D && !window.CanvasRenderingContext2D.prototype.roundRect) {
-        window.CanvasRenderingContext2D.prototype.roundRect = function(
-		x,
-		y,
-		w,
-		h,
-		radius,
-		radius_low
-	) {
-		var top_left_radius = 0;
-		var top_right_radius = 0;
-		var bottom_left_radius = 0;
-		var bottom_right_radius = 0;
-
-		if ( radius === 0 )
-		{
-			this.rect(x,y,w,h);
-			return;
-		}
-
-		if(radius_low === undefined)
-			radius_low = radius;
-
-		//make it compatible with official one
-		if(radius != null && radius.constructor === Array)
-		{
-			if(radius.length == 1)
-				top_left_radius = top_right_radius = bottom_left_radius = bottom_right_radius = radius[0];
-			else if(radius.length == 2)
-			{
-				top_left_radius = bottom_right_radius = radius[0];
-				top_right_radius = bottom_left_radius = radius[1];
-			}
-			else if(radius.length == 4)
-			{
-				top_left_radius = radius[0];
-				top_right_radius = radius[1];
-				bottom_left_radius = radius[2];
-				bottom_right_radius = radius[3];
-			}
-			else
-				return;
-		}
-		else //old using numbers
-		{
-			top_left_radius = radius || 0;
-			top_right_radius = radius || 0;
-			bottom_left_radius = radius_low || 0;
-			bottom_right_radius = radius_low || 0;
-		}
-
-		//top right
-		this.moveTo(x + top_left_radius, y);
-		this.lineTo(x + w - top_right_radius, y);
-		this.quadraticCurveTo(x + w, y, x + w, y + top_right_radius);
-
-		//bottom right
-		this.lineTo(x + w, y + h - bottom_right_radius);
-		this.quadraticCurveTo(
-			x + w,
-			y + h,
-			x + w - bottom_right_radius,
-			y + h
-		);
-
-		//bottom left
-		this.lineTo(x + bottom_right_radius, y + h);
-		this.quadraticCurveTo(x, y + h, x, y + h - bottom_left_radius);
-
-		//top left
-		this.lineTo(x, y + bottom_left_radius);
-		this.quadraticCurveTo(x, y, x + top_left_radius, y);
-	};
-	}//if
-
     function compareObjects(a, b) {
         for (var i in a) {
             if (a[i] != b[i]) {
@@ -14148,10 +14115,10 @@ LGraphNode.prototype.executeAction = function(action)
 				return;
 			}
 			if( !is_edge_point ) //not edges
-				point[0] = Math.clamp(x,0,1);
+				point[0] = clamp(x, 0, 1);
 			else
 				point[0] = s == 0 ? 0 : 1;
-			point[1] = 1.0 - Math.clamp(y,0,1);
+			point[1] = 1.0 - clamp(y, 0, 1);
 			points.sort(function(a,b){ return a[0] - b[0]; });
 			this.selected = points.indexOf(point);
 			this.must_update = true;
@@ -14300,9 +14267,10 @@ LGraphNode.prototype.executeAction = function(action)
 		}
 	}
 
-    Math.clamp = function(v, a, b) {
+    function clamp(v, a, b) {
         return a > v ? a : b < v ? b : v;
     };
+    global.clamp = clamp;
 
     if (typeof window != "undefined" && !window["requestAnimationFrame"]) {
         window.requestAnimationFrame =
@@ -14316,6 +14284,13 @@ LGraphNode.prototype.executeAction = function(action)
 
 if (typeof exports != "undefined") {
     exports.LiteGraph = this.LiteGraph;
+    exports.LGraph = this.LGraph;
+    exports.LLink = this.LLink;
+    exports.LGraphNode = this.LGraphNode;
+    exports.LGraphGroup = this.LGraphGroup;
+    exports.DragAndScale = this.DragAndScale;
+    exports.LGraphCanvas = this.LGraphCanvas;
+    exports.ContextMenu = this.ContextMenu;
 }