diff --git a/netbox_topology_views/api/serializers.py b/netbox_topology_views/api/serializers.py
index a28d2ef..6f5034e 100644
--- a/netbox_topology_views/api/serializers.py
+++ b/netbox_topology_views/api/serializers.py
@@ -50,4 +50,4 @@ class Meta:
 class IndividualOptionsSerializer(NetBoxModelSerializer):
     class Meta:
         model = IndividualOptions
-        fields = ("ignore_cable_type", "save_coords", "show_unconnected", "show_cables", "show_logical_connections", "show_single_cable_logical_conns", "show_neighbors", "show_circuit", "show_power", "show_wireless", "group_sites", "group_locations", "group_racks", "group_virtualchassis", "draw_default_layout", "straight_cables")
+        fields = ("ignore_cable_type", "save_coords", "show_unconnected", "show_cables", "show_logical_connections", "show_single_cable_logical_conns", "show_neighbors", "show_circuit", "show_power", "show_wireless", "group_sites", "group_locations", "group_racks", "group_virtualchassis", "draw_default_layout", "straight_cables", "grid_size")
diff --git a/netbox_topology_views/api/views.py b/netbox_topology_views/api/views.py
index 564dc3d..d9b1e0f 100644
--- a/netbox_topology_views/api/views.py
+++ b/netbox_topology_views/api/views.py
@@ -109,7 +109,7 @@ def list(self, request):
 
         if request.GET:
 
-            filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables = get_query_settings(request)
+            filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables, grid_size = get_query_settings(request)
 
             # Read options from saved filters as NetBox does not handle custom plugin filters
             if "filter_id" in request.GET and request.GET["filter_id"] != '':
@@ -131,6 +131,7 @@ def list(self, request):
                     if group_virtualchassis == False and 'group_virtualchassis' in saved_filter_params: group_virtualchassis = saved_filter_params['group_virtualchassis']
                     if show_neighbors == False and 'show_neighbors' in saved_filter_params: show_neighbors = saved_filter_params['show_neighbors']
                     if straight_cables == False and 'straight_cables' in saved_filter_params: show_neighbors = saved_filter_params['straight_cables']
+                    if grid_size == 0 and 'grid_size' in saved_filter_params: grid_size = saved_filter_params['grid_size']
                 except SavedFilter.DoesNotExist: # filter_id not found
                     pass
                 except Exception as inst:
@@ -162,6 +163,7 @@ def list(self, request):
                 group_virtualchassis=group_virtualchassis,
                 group_id=group_id,
                 straight_cables=straight_cables,
+                grid_size=grid_size,
             )
             xml_data = export_data_to_xml(topo_data).decode('utf-8')
 
diff --git a/netbox_topology_views/forms.py b/netbox_topology_views/forms.py
index 0be4e13..aeb8203 100644
--- a/netbox_topology_views/forms.py
+++ b/netbox_topology_views/forms.py
@@ -36,7 +36,7 @@ class DeviceFilterForm(
         FieldSet(
             'group', 'ignore_cable_type', 'save_coords', 'show_unconnected', 'show_cables', 'show_logical_connections',
             'show_single_cable_logical_conns', 'show_neighbors', 'show_circuit', 'show_power', 'show_wireless',
-            'group_sites', 'group_locations', 'group_racks', 'group_virtualchassis', 'straight_cables', name=_("Options")
+            'group_sites', 'group_locations', 'group_racks', 'group_virtualchassis', 'straight_cables', 'grid_size', name=_("Options")
         ),
         FieldSet('id', name=_("Device")),
         FieldSet('region_id', 'site_group_id', 'site_id', 'location_id', 'rack_id', name=_("Location")),
@@ -327,6 +327,14 @@ class DeviceFilterForm(
             choices=BOOLEAN_WITH_BLANK_CHOICES
         )
     )
+    grid_size = forms.IntegerField(
+        label=_('Grid Size'),
+        required=False,
+        initial=0,
+        min_value=0,
+        max_value=1000,
+        help_text=_('Show grid and snap dragged icons to grid. Set to 0 to disable grid and snapping.')
+    )
 
 class CoordinateGroupsForm(NetBoxModelForm):
     fieldsets = (
@@ -521,6 +529,7 @@ class IndividualOptionsForm(NetBoxModelForm):
                 'group_virtualchassis',
                 'draw_default_layout',
                 'straight_cables',
+                'grid_size',
             ),
     )
 
@@ -662,6 +671,16 @@ class IndividualOptionsForm(NetBoxModelForm):
         help_text=_('Enable this option if you want to draw cables as straight lines '
                     'instead of curves.')
     )
+    grid_size = forms.IntegerField(
+        label=_('Grid Size'),
+        required=True,
+        initial=0,
+        min_value=0,
+        max_value=1000,
+        help_text=_('Default grid value. Set to 0 to disable grid. '
+                    'Integers between 0 and 1000 are allowed. Snap to grid will be '
+                    'automatically enabled for values > 0.')
+    )
 
     class Meta:
         model = IndividualOptions
@@ -670,5 +689,5 @@ class Meta:
             'save_coords', 'show_unconnected', 'show_cables', 'show_logical_connections',
             'show_single_cable_logical_conns', 'show_neighbors', 'show_circuit', 'show_power',
             'show_wireless', 'group_sites', 'group_locations', 'group_racks', 'group_virtualchassis', 'draw_default_layout',
-            'straight_cables'
+            'straight_cables', 'grid_size'
         ]
diff --git a/netbox_topology_views/migrations/0010_individualoptions_grid_size.py b/netbox_topology_views/migrations/0010_individualoptions_grid_size.py
new file mode 100644
index 0000000..5bd4c67
--- /dev/null
+++ b/netbox_topology_views/migrations/0010_individualoptions_grid_size.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.6 on 2024-08-14 09:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('netbox_topology_views', '0009_individualoptions_group_virtualchassis'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='individualoptions',
+            name='grid_size',
+            field=models.PositiveSmallIntegerField(default=0),
+        ),
+    ]
diff --git a/netbox_topology_views/models.py b/netbox_topology_views/models.py
index bd8b686..1aa8e4b 100644
--- a/netbox_topology_views/models.py
+++ b/netbox_topology_views/models.py
@@ -404,6 +404,9 @@ class IndividualOptions(NetBoxModel):
     straight_cables = models.BooleanField(
         default=False
     )
+    grid_size = models.PositiveSmallIntegerField(
+        default=0
+    )
 
     _netbox_private = True
 
diff --git a/netbox_topology_views/static/netbox_topology_views/js/app.js b/netbox_topology_views/static/netbox_topology_views/js/app.js
index 745d2e2..dbd2065 100644
--- a/netbox_topology_views/static/netbox_topology_views/js/app.js
+++ b/netbox_topology_views/static/netbox_topology_views/js/app.js
@@ -1,26 +1,26 @@
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kr={black:"#000000",navy:"#000080",darkblue:"#00008B",mediumblue:"#0000CD",blue:"#0000FF",darkgreen:"#006400",green:"#008000",teal:"#008080",darkcyan:"#008B8B",deepskyblue:"#00BFFF",darkturquoise:"#00CED1",mediumspringgreen:"#00FA9A",lime:"#00FF00",springgreen:"#00FF7F",aqua:"#00FFFF",cyan:"#00FFFF",midnightblue:"#191970",dodgerblue:"#1E90FF",lightseagreen:"#20B2AA",forestgreen:"#228B22",seagreen:"#2E8B57",darkslategray:"#2F4F4F",limegreen:"#32CD32",mediumseagreen:"#3CB371",turquoise:"#40E0D0",royalblue:"#4169E1",steelblue:"#4682B4",darkslateblue:"#483D8B",mediumturquoise:"#48D1CC",indigo:"#4B0082",darkolivegreen:"#556B2F",cadetblue:"#5F9EA0",cornflowerblue:"#6495ED",mediumaquamarine:"#66CDAA",dimgray:"#696969",slateblue:"#6A5ACD",olivedrab:"#6B8E23",slategray:"#708090",lightslategray:"#778899",mediumslateblue:"#7B68EE",lawngreen:"#7CFC00",chartreuse:"#7FFF00",aquamarine:"#7FFFD4",maroon:"#800000",purple:"#800080",olive:"#808000",gray:"#808080",skyblue:"#87CEEB",lightskyblue:"#87CEFA",blueviolet:"#8A2BE2",darkred:"#8B0000",darkmagenta:"#8B008B",saddlebrown:"#8B4513",darkseagreen:"#8FBC8F",lightgreen:"#90EE90",mediumpurple:"#9370D8",darkviolet:"#9400D3",palegreen:"#98FB98",darkorchid:"#9932CC",yellowgreen:"#9ACD32",sienna:"#A0522D",brown:"#A52A2A",darkgray:"#A9A9A9",lightblue:"#ADD8E6",greenyellow:"#ADFF2F",paleturquoise:"#AFEEEE",lightsteelblue:"#B0C4DE",powderblue:"#B0E0E6",firebrick:"#B22222",darkgoldenrod:"#B8860B",mediumorchid:"#BA55D3",rosybrown:"#BC8F8F",darkkhaki:"#BDB76B",silver:"#C0C0C0",mediumvioletred:"#C71585",indianred:"#CD5C5C",peru:"#CD853F",chocolate:"#D2691E",tan:"#D2B48C",lightgrey:"#D3D3D3",palevioletred:"#D87093",thistle:"#D8BFD8",orchid:"#DA70D6",goldenrod:"#DAA520",crimson:"#DC143C",gainsboro:"#DCDCDC",plum:"#DDA0DD",burlywood:"#DEB887",lightcyan:"#E0FFFF",lavender:"#E6E6FA",darksalmon:"#E9967A",violet:"#EE82EE",palegoldenrod:"#EEE8AA",lightcoral:"#F08080",khaki:"#F0E68C",aliceblue:"#F0F8FF",honeydew:"#F0FFF0",azure:"#F0FFFF",sandybrown:"#F4A460",wheat:"#F5DEB3",beige:"#F5F5DC",whitesmoke:"#F5F5F5",mintcream:"#F5FFFA",ghostwhite:"#F8F8FF",salmon:"#FA8072",antiquewhite:"#FAEBD7",linen:"#FAF0E6",lightgoldenrodyellow:"#FAFAD2",oldlace:"#FDF5E6",red:"#FF0000",fuchsia:"#FF00FF",magenta:"#FF00FF",deeppink:"#FF1493",orangered:"#FF4500",tomato:"#FF6347",hotpink:"#FF69B4",coral:"#FF7F50",darkorange:"#FF8C00",lightsalmon:"#FFA07A",orange:"#FFA500",lightpink:"#FFB6C1",pink:"#FFC0CB",gold:"#FFD700",peachpuff:"#FFDAB9",navajowhite:"#FFDEAD",moccasin:"#FFE4B5",bisque:"#FFE4C4",mistyrose:"#FFE4E1",blanchedalmond:"#FFEBCD",papayawhip:"#FFEFD5",lavenderblush:"#FFF0F5",seashell:"#FFF5EE",cornsilk:"#FFF8DC",lemonchiffon:"#FFFACD",floralwhite:"#FFFAF0",snow:"#FFFAFA",yellow:"#FFFF00",lightyellow:"#FFFFE0",ivory:"#FFFFF0",white:"#FFFFFF"},Or=class{constructor(e=1){this.pixelRatio=e,this.generated=!1,this.centerCoordinates={x:289/2,y:289/2},this.r=289*.49,this.color={r:255,g:255,b:255,a:1},this.hueCircle=void 0,this.initialColor={r:255,g:255,b:255,a:1},this.previousColor=void 0,this.applied=!1,this.updateCallback=()=>{},this.closeCallback=()=>{},this._create()}insertTo(e){this.hammer!==void 0&&(this.hammer.destroy(),this.hammer=void 0),this.container=e,this.container.appendChild(this.frame),this._bindHammer(),this._setSize()}setUpdateCallback(e){if(typeof e=="function")this.updateCallback=e;else throw new Error("Function attempted to set as colorPicker update callback is not a function.")}setCloseCallback(e){if(typeof e=="function")this.closeCallback=e;else throw new Error("Function attempted to set as colorPicker closing callback is not a function.")}_isColorString(e){if(typeof e=="string")return kr[e]}setColor(e,t=!0){if(e==="none")return;let i,s=this._isColorString(e);if(s!==void 0&&(e=s),ve(e)===!0){if(zs(e)===!0){let o=e.substr(4).substr(0,e.length-5).split(",");i={r:o[0],g:o[1],b:o[2],a:1}}else if(Tr(e)===!0){let o=e.substr(5).substr(0,e.length-6).split(",");i={r:o[0],g:o[1],b:o[2],a:o[3]}}else if(As(e)===!0){let o=pi(e);i={r:o.r,g:o.g,b:o.b,a:1}}}else if(e instanceof Object&&e.r!==void 0&&e.g!==void 0&&e.b!==void 0){let o=e.a!==void 0?e.a:"1.0";i={r:e.r,g:e.g,b:e.b,a:o}}if(i===void 0)throw new Error("Unknown color passed to the colorPicker. Supported are strings: rgb, hex, rgba. Object: rgb ({r:r,g:g,b:b,[a:a]}). Supplied: "+JSON.stringify(e));this._setColor(i,t)}show(){this.closeCallback!==void 0&&(this.closeCallback(),this.closeCallback=void 0),this.applied=!1,this.frame.style.display="block",this._generateHueCircle()}_hide(e=!0){e===!0&&(this.previousColor=Object.assign({},this.color)),this.applied===!0&&this.updateCallback(this.initialColor),this.frame.style.display="none",setTimeout(()=>{this.closeCallback!==void 0&&(this.closeCallback(),this.closeCallback=void 0)},0)}_save(){this.updateCallback(this.color),this.applied=!1,this._hide()}_apply(){this.applied=!0,this.updateCallback(this.color),this._updatePicker(this.color)}_loadLast(){this.previousColor!==void 0?this.setColor(this.previousColor,!1):alert("There is no last color to load...")}_setColor(e,t=!0){t===!0&&(this.initialColor=Object.assign({},e)),this.color=e;let i=vt(e.r,e.g,e.b),s=2*Math.PI,o=this.r*i.s,r=this.centerCoordinates.x+o*Math.sin(s*i.h),a=this.centerCoordinates.y+o*Math.cos(s*i.h);this.colorPickerSelector.style.left=r-.5*this.colorPickerSelector.clientWidth+"px",this.colorPickerSelector.style.top=a-.5*this.colorPickerSelector.clientHeight+"px",this._updatePicker(e)}_setOpacity(e){this.color.a=e/100,this._updatePicker(this.color)}_setBrightness(e){let t=vt(this.color.r,this.color.g,this.color.b);t.v=e/100;let i=Rt(t.h,t.s,t.v);i.a=this.color.a,this.color=i,this._updatePicker()}_updatePicker(e=this.color){let t=vt(e.r,e.g,e.b),i=this.colorPickerCanvas.getContext("2d");this.pixelRation===void 0&&(this.pixelRatio=(window.devicePixelRatio||1)/(i.webkitBackingStorePixelRatio||i.mozBackingStorePixelRatio||i.msBackingStorePixelRatio||i.oBackingStorePixelRatio||i.backingStorePixelRatio||1)),i.setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0);let s=this.colorPickerCanvas.clientWidth,o=this.colorPickerCanvas.clientHeight;i.clearRect(0,0,s,o),i.putImageData(this.hueCircle,0,0),i.fillStyle="rgba(0,0,0,"+(1-t.v)+")",i.circle(this.centerCoordinates.x,this.centerCoordinates.y,this.r),i.fill(),this.brightnessRange.value=100*t.v,this.opacityRange.value=100*e.a,this.initialColorDiv.style.backgroundColor="rgba("+this.initialColor.r+","+this.initialColor.g+","+this.initialColor.b+","+this.initialColor.a+")",this.newColorDiv.style.backgroundColor="rgba("+this.color.r+","+this.color.g+","+this.color.b+","+this.color.a+")"}_setSize(){this.colorPickerCanvas.style.width="100%",this.colorPickerCanvas.style.height="100%",this.colorPickerCanvas.width=289*this.pixelRatio,this.colorPickerCanvas.height=289*this.pixelRatio}_create(){if(this.frame=document.createElement("div"),this.frame.className="vis-color-picker",this.colorPickerDiv=document.createElement("div"),this.colorPickerSelector=document.createElement("div"),this.colorPickerSelector.className="vis-selector",this.colorPickerDiv.appendChild(this.colorPickerSelector),this.colorPickerCanvas=document.createElement("canvas"),this.colorPickerDiv.appendChild(this.colorPickerCanvas),this.colorPickerCanvas.getContext){let t=this.colorPickerCanvas.getContext("2d");this.pixelRatio=(window.devicePixelRatio||1)/(t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1),this.colorPickerCanvas.getContext("2d").setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0)}else{let t=document.createElement("DIV");t.style.color="red",t.style.fontWeight="bold",t.style.padding="10px",t.innerText="Error: your browser does not support HTML canvas",this.colorPickerCanvas.appendChild(t)}this.colorPickerDiv.className="vis-color",this.opacityDiv=document.createElement("div"),this.opacityDiv.className="vis-opacity",this.brightnessDiv=document.createElement("div"),this.brightnessDiv.className="vis-brightness",this.arrowDiv=document.createElement("div"),this.arrowDiv.className="vis-arrow",this.opacityRange=document.createElement("input");try{this.opacityRange.type="range",this.opacityRange.min="0",this.opacityRange.max="100"}catch(t){}this.opacityRange.value="100",this.opacityRange.className="vis-range",this.brightnessRange=document.createElement("input");try{this.brightnessRange.type="range",this.brightnessRange.min="0",this.brightnessRange.max="100"}catch(t){}this.brightnessRange.value="100",this.brightnessRange.className="vis-range",this.opacityDiv.appendChild(this.opacityRange),this.brightnessDiv.appendChild(this.brightnessRange);let e=this;this.opacityRange.onchange=function(){e._setOpacity(this.value)},this.opacityRange.oninput=function(){e._setOpacity(this.value)},this.brightnessRange.onchange=function(){e._setBrightness(this.value)},this.brightnessRange.oninput=function(){e._setBrightness(this.value)},this.brightnessLabel=document.createElement("div"),this.brightnessLabel.className="vis-label vis-brightness",this.brightnessLabel.innerText="brightness:",this.opacityLabel=document.createElement("div"),this.opacityLabel.className="vis-label vis-opacity",this.opacityLabel.innerText="opacity:",this.newColorDiv=document.createElement("div"),this.newColorDiv.className="vis-new-color",this.newColorDiv.innerText="new",this.initialColorDiv=document.createElement("div"),this.initialColorDiv.className="vis-initial-color",this.initialColorDiv.innerText="initial",this.cancelButton=document.createElement("div"),this.cancelButton.className="vis-button vis-cancel",this.cancelButton.innerText="cancel",this.cancelButton.onclick=this._hide.bind(this,!1),this.applyButton=document.createElement("div"),this.applyButton.className="vis-button vis-apply",this.applyButton.innerText="apply",this.applyButton.onclick=this._apply.bind(this),this.saveButton=document.createElement("div"),this.saveButton.className="vis-button vis-save",this.saveButton.innerText="save",this.saveButton.onclick=this._save.bind(this),this.loadButton=document.createElement("div"),this.loadButton.className="vis-button vis-load",this.loadButton.innerText="load last",this.loadButton.onclick=this._loadLast.bind(this),this.frame.appendChild(this.colorPickerDiv),this.frame.appendChild(this.arrowDiv),this.frame.appendChild(this.brightnessLabel),this.frame.appendChild(this.brightnessDiv),this.frame.appendChild(this.opacityLabel),this.frame.appendChild(this.opacityDiv),this.frame.appendChild(this.newColorDiv),this.frame.appendChild(this.initialColorDiv),this.frame.appendChild(this.cancelButton),this.frame.appendChild(this.applyButton),this.frame.appendChild(this.saveButton),this.frame.appendChild(this.loadButton)}_bindHammer(){this.drag={},this.pinch={},this.hammer=new ui(this.colorPickerCanvas),this.hammer.get("pinch").set({enable:!0}),this.hammer.on("hammer.input",e=>{e.isFirst&&this._moveSelector(e)}),this.hammer.on("tap",e=>{this._moveSelector(e)}),this.hammer.on("panstart",e=>{this._moveSelector(e)}),this.hammer.on("panmove",e=>{this._moveSelector(e)}),this.hammer.on("panend",e=>{this._moveSelector(e)})}_generateHueCircle(){if(this.generated===!1){let e=this.colorPickerCanvas.getContext("2d");this.pixelRation===void 0&&(this.pixelRatio=(window.devicePixelRatio||1)/(e.webkitBackingStorePixelRatio||e.mozBackingStorePixelRatio||e.msBackingStorePixelRatio||e.oBackingStorePixelRatio||e.backingStorePixelRatio||1)),e.setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0);let t=this.colorPickerCanvas.clientWidth,i=this.colorPickerCanvas.clientHeight;e.clearRect(0,0,t,i);let s,o,r,a;this.centerCoordinates={x:t*.5,y:i*.5},this.r=.49*t;let d=2*Math.PI/360,h=1/360,l=1/this.r,c;for(r=0;r<360;r++)for(a=0;a<this.r;a++)s=this.centerCoordinates.x+a*Math.sin(d*r),o=this.centerCoordinates.y+a*Math.cos(d*r),c=Rt(r*h,a*l,1),e.fillStyle="rgb("+c.r+","+c.g+","+c.b+")",e.fillRect(s-.5,o-.5,2,2);e.strokeStyle="rgba(0,0,0,1)",e.circle(this.centerCoordinates.x,this.centerCoordinates.y,this.r),e.stroke(),this.hueCircle=e.getImageData(0,0,t,i)}this.generated=!0}_moveSelector(e){let t=this.colorPickerDiv.getBoundingClientRect(),i=e.center.x-t.left,s=e.center.y-t.top,o=.5*this.colorPickerDiv.clientHeight,r=.5*this.colorPickerDiv.clientWidth,a=i-r,d=s-o,h=Math.atan2(a,d),l=.98*Math.min(Math.sqrt(a*a+d*d),r),c=Math.cos(h)*l+o,u=Math.sin(h)*l+r;this.colorPickerSelector.style.top=c-.5*this.colorPickerSelector.clientHeight+"px",this.colorPickerSelector.style.left=u-.5*this.colorPickerSelector.clientWidth+"px";let f=h/(2*Math.PI);f=f<0?f+1:f;let m=l/this.r,v=vt(this.color.r,this.color.g,this.color.b);v.h=f,v.s=m;let p=Rt(v.h,v.s,v.v);p.a=this.color.a,this.color=p,this.initialColorDiv.style.backgroundColor="rgba("+this.initialColor.r+","+this.initialColor.g+","+this.initialColor.b+","+this.initialColor.a+")",this.newColorDiv.style.backgroundColor="rgba("+this.color.r+","+this.color.g+","+this.color.b+","+this.color.a+")"}};function gi(...n){if(n.length<1)throw new TypeError("Invalid arguments.");if(n.length===1)return document.createTextNode(n[0]);{let e=document.createElement(n[0]);return e.appendChild(gi(...n.slice(1))),e}}var Sr=class{constructor(e,t,i,s=1,o=()=>!1){this.parent=e,this.changedOptions=[],this.container=t,this.allowCreation=!1,this.hideOption=o,this.options={},this.initialized=!1,this.popupCounter=0,this.defaultOptions={enabled:!1,filter:!0,container:void 0,showButton:!0},Object.assign(this.options,this.defaultOptions),this.configureOptions=i,this.moduleOptions={},this.domElements=[],this.popupDiv={},this.popupLimit=5,this.popupHistory={},this.colorPicker=new Or(s),this.wrapper=void 0}setOptions(e){if(e!==void 0){this.popupHistory={},this._removePopup();let t=!0;if(typeof e=="string")this.options.filter=e;else if(Array.isArray(e))this.options.filter=e.join();else if(typeof e=="object"){if(e==null)throw new TypeError("options cannot be null");e.container!==void 0&&(this.options.container=e.container),e.filter!==void 0&&(this.options.filter=e.filter),e.showButton!==void 0&&(this.options.showButton=e.showButton),e.enabled!==void 0&&(t=e.enabled)}else typeof e=="boolean"?(this.options.filter=!0,t=e):typeof e=="function"&&(this.options.filter=e,t=!0);this.options.filter===!1&&(t=!1),this.options.enabled=t}this._clean()}setModuleOptions(e){this.moduleOptions=e,this.options.enabled===!0&&(this._clean(),this.options.container!==void 0&&(this.container=this.options.container),this._create())}_create(){this._clean(),this.changedOptions=[];let e=this.options.filter,t=0,i=!1;for(let s in this.configureOptions)Object.prototype.hasOwnProperty.call(this.configureOptions,s)&&(this.allowCreation=!1,i=!1,typeof e=="function"?(i=e(s,[]),i=i||this._handleObject(this.configureOptions[s],[s],!0)):(e===!0||e.indexOf(s)!==-1)&&(i=!0),i!==!1&&(this.allowCreation=!0,t>0&&this._makeItem([]),this._makeHeader(s),this._handleObject(this.configureOptions[s],[s])),t++);this._makeButton(),this._push()}_push(){this.wrapper=document.createElement("div"),this.wrapper.className="vis-configuration-wrapper",this.container.appendChild(this.wrapper);for(let e=0;e<this.domElements.length;e++)this.wrapper.appendChild(this.domElements[e]);this._showPopupIfNeeded()}_clean(){for(let e=0;e<this.domElements.length;e++)this.wrapper.removeChild(this.domElements[e]);this.wrapper!==void 0&&(this.container.removeChild(this.wrapper),this.wrapper=void 0),this.domElements=[],this._removePopup()}_getValue(e){let t=this.moduleOptions;for(let i=0;i<e.length;i++)if(t[e[i]]!==void 0)t=t[e[i]];else{t=void 0;break}return t}_makeItem(e,...t){if(this.allowCreation===!0){let i=document.createElement("div");return i.className="vis-configuration vis-config-item vis-config-s"+e.length,t.forEach(s=>{i.appendChild(s)}),this.domElements.push(i),this.domElements.length}return 0}_makeHeader(e){let t=document.createElement("div");t.className="vis-configuration vis-config-header",t.innerText=e,this._makeItem([],t)}_makeLabel(e,t,i=!1){let s=document.createElement("div");if(s.className="vis-configuration vis-config-label vis-config-s"+t.length,i===!0){for(;s.firstChild;)s.removeChild(s.firstChild);s.appendChild(gi("i","b",e))}else s.innerText=e+":";return s}_makeDropdown(e,t,i){let s=document.createElement("select");s.className="vis-configuration vis-config-select";let o=0;t!==void 0&&e.indexOf(t)!==-1&&(o=e.indexOf(t));for(let d=0;d<e.length;d++){let h=document.createElement("option");h.value=e[d],d===o&&(h.selected="selected"),h.innerText=e[d],s.appendChild(h)}let r=this;s.onchange=function(){r._update(this.value,i)};let a=this._makeLabel(i[i.length-1],i);this._makeItem(i,a,s)}_makeRange(e,t,i){let s=e[0],o=e[1],r=e[2],a=e[3],d=document.createElement("input");d.className="vis-configuration vis-config-range";try{d.type="range",d.min=o,d.max=r}catch(v){}d.step=a;let h="",l=0;if(t!==void 0){let v=1.2;t<0&&t*v<o?(d.min=Math.ceil(t*v),l=d.min,h="range increased"):t/v<o&&(d.min=Math.ceil(t/v),l=d.min,h="range increased"),t*v>r&&r!==1&&(d.max=Math.ceil(t*v),l=d.max,h="range increased"),d.value=t}else d.value=s;let c=document.createElement("input");c.className="vis-configuration vis-config-rangeinput",c.value=d.value;let u=this;d.onchange=function(){c.value=this.value,u._update(Number(this.value),i)},d.oninput=function(){c.value=this.value};let f=this._makeLabel(i[i.length-1],i),m=this._makeItem(i,f,d,c);h!==""&&this.popupHistory[m]!==l&&(this.popupHistory[m]=l,this._setupPopup(h,m))}_makeButton(){if(this.options.showButton===!0){let 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Tr.test(r)}function Oe(r){if(r===null||typeof r!="object")return null;if(r instanceof Element)return r;let e=Object.create(r);for(let t in r)Object.prototype.hasOwnProperty.call(r,t)&&typeof r[t]=="object"&&(e[t]=Oe(r[t]));return e}function fe(r,e,t,s={}){let o=function(p){return p!=null},n=function(p){return p!==null&&typeof p=="object"},a=function(p){for(let b in p)if(Object.prototype.hasOwnProperty.call(p,b))return!1;return!0};if(!n(r))throw new Error("Parameter mergeTarget must be an object");if(!n(e))throw new Error("Parameter options must be an object");if(!o(t))throw new Error("Parameter option must have a value");if(!n(s))throw new Error("Parameter globalOptions must be an object");let d=function(p,b,_){n(p[_])||(p[_]={});let g=b[_],v=p[_];for(let T in g)Object.prototype.hasOwnProperty.call(g,T)&&(v[T]=g[T])},h=e[t],c=n(s)&&!a(s)?s[t]:void 0,u=c?c.enabled:void 0;if(h===void 0)return;if(typeof h=="boolean"){n(r[t])||(r[t]={}),r[t].enabled=h;return}if(h===null&&!n(r[t]))if(o(c))r[t]=Object.create(c);else return;if(!n(h))return;let f=!0;h.enabled!==void 0?f=h.enabled:u!==void 0&&(f=c.enabled),d(r,e,t),r[t].enabled=f}var Ws={linear(r){return r},easeInQuad(r){return r*r},easeOutQuad(r){return r*(2-r)},easeInOutQuad(r){return r<.5?2*r*r:-1+(4-2*r)*r},easeInCubic(r){return r*r*r},easeOutCubic(r){return--r*r*r+1},easeInOutCubic(r){return r<.5?4*r*r*r:(r-1)*(2*r-2)*(2*r-2)+1},easeInQuart(r){return r*r*r*r},easeOutQuart(r){return 1- --r*r*r*r},easeInOutQuart(r){return r<.5?8*r*r*r*r:1-8*--r*r*r*r},easeInQuint(r){return r*r*r*r*r},easeOutQuint(r){return 1+--r*r*r*r*r},easeInOutQuint(r){return r<.5?16*r*r*r*r*r:1+16*--r*r*r*r*r}};function Ie(r,e){let t;Array.isArray(e)||(e=[e]);for(let s of r)if(s){t=s[e[0]];for(let o=1;o<e.length;o++)t&&(t=t[e[o]]);if(typeof t!="undefined")break}return t}var Ir={black:"#000000",navy:"#000080",darkblue:"#00008B",mediumblue:"#0000CD",blue:"#0000FF",darkgreen:"#006400",green:"#008000",teal:"#008080",darkcyan:"#008B8B",deepskyblue:"#00BFFF",darkturquoise:"#00CED1",mediumspringgreen:"#00FA9A",lime:"#00FF00",springgreen:"#00FF7F",aqua:"#00FFFF",cyan:"#00FFFF",midnightblue:"#191970",dodgerblue:"#1E90FF",lightseagreen:"#20B2AA",forestgreen:"#228B22",seagreen:"#2E8B57",darkslategray:"#2F4F4F",limegreen:"#32CD32",mediumseagreen:"#3CB371",turquoise:"#40E0D0",royalblue:"#4169E1",steelblue:"#4682B4",darkslateblue:"#483D8B",mediumturquoise:"#48D1CC",indigo:"#4B0082",darkolivegreen:"#556B2F",cadetblue:"#5F9EA0",cornflowerblue:"#6495ED",mediumaquamarine:"#66CDAA",dimgray:"#696969",slateblue:"#6A5ACD",olivedrab:"#6B8E23",slategray:"#708090",lightslategray:"#778899",mediumslateblue:"#7B68EE",lawngreen:"#7CFC00",chartreuse:"#7FFF00",aquamarine:"#7FFFD4",maroon:"#800000",purple:"#800080",olive:"#808000",gray:"#808080",skyblue:"#87CEEB",lightskyblue:"#87CEFA",blueviolet:"#8A2BE2",darkred:"#8B0000",darkmagenta:"#8B008B",saddlebrown:"#8B4513",darkseagreen:"#8FBC8F",lightgreen:"#90EE90",mediumpurple:"#9370D8",darkviolet:"#9400D3",palegreen:"#98FB98",darkorchid:"#9932CC",yellowgreen:"#9ACD32",sienna:"#A0522D",brown:"#A52A2A",darkgray:"#A9A9A9",lightblue:"#ADD8E6",greenyellow:"#ADFF2F",paleturquoise:"#AFEEEE",lightsteelblue:"#B0C4DE",powderblue:"#B0E0E6",firebrick:"#B22222",darkgoldenrod:"#B8860B",mediumorchid:"#BA55D3",rosybrown:"#BC8F8F",darkkhaki:"#BDB76B",silver:"#C0C0C0",mediumvioletred:"#C71585",indianred:"#CD5C5C",peru:"#CD853F",chocolate:"#D2691E",tan:"#D2B48C",lightgrey:"#D3D3D3",palevioletred:"#D87093",thistle:"#D8BFD8",orchid:"#DA70D6",goldenrod:"#DAA520",crimson:"#DC143C",gainsboro:"#DCDCDC",plum:"#DDA0DD",burlywood:"#DEB887",lightcyan:"#E0FFFF",lavender:"#E6E6FA",darksalmon:"#E9967A",violet:"#EE82EE",palegoldenrod:"#EEE8AA",lightcoral:"#F08080",khaki:"#F0E68C",aliceblue:"#F0F8FF",honeydew:"#F0FFF0",azure:"#F0FFFF",sandybrown:"#F4A460",wheat:"#F5DEB3",beige:"#F5F5DC",whitesmoke:"#F5F5F5",mintcream:"#F5FFFA",ghostwhite:"#F8F8FF",salmon:"#FA8072",antiquewhite:"#FAEBD7",linen:"#FAF0E6",lightgoldenrodyellow:"#FAFAD2",oldlace:"#FDF5E6",red:"#FF0000",fuchsia:"#FF00FF",magenta:"#FF00FF",deeppink:"#FF1493",orangered:"#FF4500",tomato:"#FF6347",hotpink:"#FF69B4",coral:"#FF7F50",darkorange:"#FF8C00",lightsalmon:"#FFA07A",orange:"#FFA500",lightpink:"#FFB6C1",pink:"#FFC0CB",gold:"#FFD700",peachpuff:"#FFDAB9",navajowhite:"#FFDEAD",moccasin:"#FFE4B5",bisque:"#FFE4C4",mistyrose:"#FFE4E1",blanchedalmond:"#FFEBCD",papayawhip:"#FFEFD5",lavenderblush:"#FFF0F5",seashell:"#FFF5EE",cornsilk:"#FFF8DC",lemonchiffon:"#FFFACD",floralwhite:"#FFFAF0",snow:"#FFFAFA",yellow:"#FFFF00",lightyellow:"#FFFFE0",ivory:"#FFFFF0",white:"#FFFFFF"},Pr=class{constructor(e=1){this.pixelRatio=e,this.generated=!1,this.centerCoordinates={x:289/2,y:289/2},this.r=289*.49,this.color={r:255,g:255,b:255,a:1},this.hueCircle=void 0,this.initialColor={r:255,g:255,b:255,a:1},this.previousColor=void 0,this.applied=!1,this.updateCallback=()=>{},this.closeCallback=()=>{},this._create()}insertTo(e){this.hammer!==void 0&&(this.hammer.destroy(),this.hammer=void 0),this.container=e,this.container.appendChild(this.frame),this._bindHammer(),this._setSize()}setUpdateCallback(e){if(typeof e=="function")this.updateCallback=e;else throw new Error("Function attempted to set as colorPicker update callback is not a function.")}setCloseCallback(e){if(typeof e=="function")this.closeCallback=e;else throw new Error("Function attempted to set as colorPicker closing callback is not a function.")}_isColorString(e){if(typeof e=="string")return Ir[e]}setColor(e,t=!0){if(e==="none")return;let s,o=this._isColorString(e);if(o!==void 0&&(e=o),Se(e)===!0){if(js(e)===!0){let n=e.substr(4).substr(0,e.length-5).split(",");s={r:n[0],g:n[1],b:n[2],a:1}}else if(Or(e)===!0){let n=e.substr(5).substr(0,e.length-6).split(",");s={r:n[0],g:n[1],b:n[2],a:n[3]}}else if(Hs(e)===!0){let n=bi(e);s={r:n.r,g:n.g,b:n.b,a:1}}}else if(e instanceof Object&&e.r!==void 0&&e.g!==void 0&&e.b!==void 0){let n=e.a!==void 0?e.a:"1.0";s={r:e.r,g:e.g,b:e.b,a:n}}if(s===void 0)throw new Error("Unknown color passed to the colorPicker. Supported are strings: rgb, hex, rgba. Object: rgb ({r:r,g:g,b:b,[a:a]}). Supplied: "+JSON.stringify(e));this._setColor(s,t)}show(){this.closeCallback!==void 0&&(this.closeCallback(),this.closeCallback=void 0),this.applied=!1,this.frame.style.display="block",this._generateHueCircle()}_hide(e=!0){e===!0&&(this.previousColor=Object.assign({},this.color)),this.applied===!0&&this.updateCallback(this.initialColor),this.frame.style.display="none",setTimeout(()=>{this.closeCallback!==void 0&&(this.closeCallback(),this.closeCallback=void 0)},0)}_save(){this.updateCallback(this.color),this.applied=!1,this._hide()}_apply(){this.applied=!0,this.updateCallback(this.color),this._updatePicker(this.color)}_loadLast(){this.previousColor!==void 0?this.setColor(this.previousColor,!1):alert("There is no last color to load...")}_setColor(e,t=!0){t===!0&&(this.initialColor=Object.assign({},e)),this.color=e;let s=xt(e.r,e.g,e.b),o=2*Math.PI,n=this.r*s.s,a=this.centerCoordinates.x+n*Math.sin(o*s.h),d=this.centerCoordinates.y+n*Math.cos(o*s.h);this.colorPickerSelector.style.left=a-.5*this.colorPickerSelector.clientWidth+"px",this.colorPickerSelector.style.top=d-.5*this.colorPickerSelector.clientHeight+"px",this._updatePicker(e)}_setOpacity(e){this.color.a=e/100,this._updatePicker(this.color)}_setBrightness(e){let t=xt(this.color.r,this.color.g,this.color.b);t.v=e/100;let s=Wt(t.h,t.s,t.v);s.a=this.color.a,this.color=s,this._updatePicker()}_updatePicker(e=this.color){let t=xt(e.r,e.g,e.b),s=this.colorPickerCanvas.getContext("2d");this.pixelRation===void 0&&(this.pixelRatio=(window.devicePixelRatio||1)/(s.webkitBackingStorePixelRatio||s.mozBackingStorePixelRatio||s.msBackingStorePixelRatio||s.oBackingStorePixelRatio||s.backingStorePixelRatio||1)),s.setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0);let o=this.colorPickerCanvas.clientWidth,n=this.colorPickerCanvas.clientHeight;s.clearRect(0,0,o,n),s.putImageData(this.hueCircle,0,0),s.fillStyle="rgba(0,0,0,"+(1-t.v)+")",s.circle(this.centerCoordinates.x,this.centerCoordinates.y,this.r),s.fill(),this.brightnessRange.value=100*t.v,this.opacityRange.value=100*e.a,this.initialColorDiv.style.backgroundColor="rgba("+this.initialColor.r+","+this.initialColor.g+","+this.initialColor.b+","+this.initialColor.a+")",this.newColorDiv.style.backgroundColor="rgba("+this.color.r+","+this.color.g+","+this.color.b+","+this.color.a+")"}_setSize(){this.colorPickerCanvas.style.width="100%",this.colorPickerCanvas.style.height="100%",this.colorPickerCanvas.width=289*this.pixelRatio,this.colorPickerCanvas.height=289*this.pixelRatio}_create(){if(this.frame=document.createElement("div"),this.frame.className="vis-color-picker",this.colorPickerDiv=document.createElement("div"),this.colorPickerSelector=document.createElement("div"),this.colorPickerSelector.className="vis-selector",this.colorPickerDiv.appendChild(this.colorPickerSelector),this.colorPickerCanvas=document.createElement("canvas"),this.colorPickerDiv.appendChild(this.colorPickerCanvas),this.colorPickerCanvas.getContext){let t=this.colorPickerCanvas.getContext("2d");this.pixelRatio=(window.devicePixelRatio||1)/(t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1),this.colorPickerCanvas.getContext("2d").setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0)}else{let t=document.createElement("DIV");t.style.color="red",t.style.fontWeight="bold",t.style.padding="10px",t.innerText="Error: your browser does not support HTML canvas",this.colorPickerCanvas.appendChild(t)}this.colorPickerDiv.className="vis-color",this.opacityDiv=document.createElement("div"),this.opacityDiv.className="vis-opacity",this.brightnessDiv=document.createElement("div"),this.brightnessDiv.className="vis-brightness",this.arrowDiv=document.createElement("div"),this.arrowDiv.className="vis-arrow",this.opacityRange=document.createElement("input");try{this.opacityRange.type="range",this.opacityRange.min="0",this.opacityRange.max="100"}catch(t){}this.opacityRange.value="100",this.opacityRange.className="vis-range",this.brightnessRange=document.createElement("input");try{this.brightnessRange.type="range",this.brightnessRange.min="0",this.brightnessRange.max="100"}catch(t){}this.brightnessRange.value="100",this.brightnessRange.className="vis-range",this.opacityDiv.appendChild(this.opacityRange),this.brightnessDiv.appendChild(this.brightnessRange);let e=this;this.opacityRange.onchange=function(){e._setOpacity(this.value)},this.opacityRange.oninput=function(){e._setOpacity(this.value)},this.brightnessRange.onchange=function(){e._setBrightness(this.value)},this.brightnessRange.oninput=function(){e._setBrightness(this.value)},this.brightnessLabel=document.createElement("div"),this.brightnessLabel.className="vis-label vis-brightness",this.brightnessLabel.innerText="brightness:",this.opacityLabel=document.createElement("div"),this.opacityLabel.className="vis-label vis-opacity",this.opacityLabel.innerText="opacity:",this.newColorDiv=document.createElement("div"),this.newColorDiv.className="vis-new-color",this.newColorDiv.innerText="new",this.initialColorDiv=document.createElement("div"),this.initialColorDiv.className="vis-initial-color",this.initialColorDiv.innerText="initial",this.cancelButton=document.createElement("div"),this.cancelButton.className="vis-button vis-cancel",this.cancelButton.innerText="cancel",this.cancelButton.onclick=this._hide.bind(this,!1),this.applyButton=document.createElement("div"),this.applyButton.className="vis-button vis-apply",this.applyButton.innerText="apply",this.applyButton.onclick=this._apply.bind(this),this.saveButton=document.createElement("div"),this.saveButton.className="vis-button vis-save",this.saveButton.innerText="save",this.saveButton.onclick=this._save.bind(this),this.loadButton=document.createElement("div"),this.loadButton.className="vis-button vis-load",this.loadButton.innerText="load last",this.loadButton.onclick=this._loadLast.bind(this),this.frame.appendChild(this.colorPickerDiv),this.frame.appendChild(this.arrowDiv),this.frame.appendChild(this.brightnessLabel),this.frame.appendChild(this.brightnessDiv),this.frame.appendChild(this.opacityLabel),this.frame.appendChild(this.opacityDiv),this.frame.appendChild(this.newColorDiv),this.frame.appendChild(this.initialColorDiv),this.frame.appendChild(this.cancelButton),this.frame.appendChild(this.applyButton),this.frame.appendChild(this.saveButton),this.frame.appendChild(this.loadButton)}_bindHammer(){this.drag={},this.pinch={},this.hammer=new mi(this.colorPickerCanvas),this.hammer.get("pinch").set({enable:!0}),this.hammer.on("hammer.input",e=>{e.isFirst&&this._moveSelector(e)}),this.hammer.on("tap",e=>{this._moveSelector(e)}),this.hammer.on("panstart",e=>{this._moveSelector(e)}),this.hammer.on("panmove",e=>{this._moveSelector(e)}),this.hammer.on("panend",e=>{this._moveSelector(e)})}_generateHueCircle(){if(this.generated===!1){let e=this.colorPickerCanvas.getContext("2d");this.pixelRation===void 0&&(this.pixelRatio=(window.devicePixelRatio||1)/(e.webkitBackingStorePixelRatio||e.mozBackingStorePixelRatio||e.msBackingStorePixelRatio||e.oBackingStorePixelRatio||e.backingStorePixelRatio||1)),e.setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0);let t=this.colorPickerCanvas.clientWidth,s=this.colorPickerCanvas.clientHeight;e.clearRect(0,0,t,s);let o,n,a,d;this.centerCoordinates={x:t*.5,y:s*.5},this.r=.49*t;let h=2*Math.PI/360,l=1/360,c=1/this.r,u;for(a=0;a<360;a++)for(d=0;d<this.r;d++)o=this.centerCoordinates.x+d*Math.sin(h*a),n=this.centerCoordinates.y+d*Math.cos(h*a),u=Wt(a*l,d*c,1),e.fillStyle="rgb("+u.r+","+u.g+","+u.b+")",e.fillRect(o-.5,n-.5,2,2);e.strokeStyle="rgba(0,0,0,1)",e.circle(this.centerCoordinates.x,this.centerCoordinates.y,this.r),e.stroke(),this.hueCircle=e.getImageData(0,0,t,s)}this.generated=!0}_moveSelector(e){let t=this.colorPickerDiv.getBoundingClientRect(),s=e.center.x-t.left,o=e.center.y-t.top,n=.5*this.colorPickerDiv.clientHeight,a=.5*this.colorPickerDiv.clientWidth,d=s-a,h=o-n,l=Math.atan2(d,h),c=.98*Math.min(Math.sqrt(d*d+h*h),a),u=Math.cos(l)*c+n,f=Math.sin(l)*c+a;this.colorPickerSelector.style.top=u-.5*this.colorPickerSelector.clientHeight+"px",this.colorPickerSelector.style.left=f-.5*this.colorPickerSelector.clientWidth+"px";let p=l/(2*Math.PI);p=p<0?p+1:p;let b=c/this.r,_=xt(this.color.r,this.color.g,this.color.b);_.h=p,_.s=b;let g=Wt(_.h,_.s,_.v);g.a=this.color.a,this.color=g,this.initialColorDiv.style.backgroundColor="rgba("+this.initialColor.r+","+this.initialColor.g+","+this.initialColor.b+","+this.initialColor.a+")",this.newColorDiv.style.backgroundColor="rgba("+this.color.r+","+this.color.g+","+this.color.b+","+this.color.a+")"}};function vi(...r){if(r.length<1)throw new TypeError("Invalid arguments.");if(r.length===1)return document.createTextNode(r[0]);{let e=document.createElement(r[0]);return e.appendChild(vi(...r.slice(1))),e}}var Dr=class{constructor(e,t,s,o=1,n=()=>!1){this.parent=e,this.changedOptions=[],this.container=t,this.allowCreation=!1,this.hideOption=n,this.options={},this.initialized=!1,this.popupCounter=0,this.defaultOptions={enabled:!1,filter:!0,container:void 0,showButton:!0},Object.assign(this.options,this.defaultOptions),this.configureOptions=s,this.moduleOptions={},this.domElements=[],this.popupDiv={},this.popupLimit=5,this.popupHistory={},this.colorPicker=new Pr(o),this.wrapper=void 0}setOptions(e){if(e!==void 0){this.popupHistory={},this._removePopup();let t=!0;if(typeof e=="string")this.options.filter=e;else if(Array.isArray(e))this.options.filter=e.join();else if(typeof e=="object"){if(e==null)throw new TypeError("options cannot be null");e.container!==void 0&&(this.options.container=e.container),e.filter!==void 0&&(this.options.filter=e.filter),e.showButton!==void 0&&(this.options.showButton=e.showButton),e.enabled!==void 0&&(t=e.enabled)}else typeof e=="boolean"?(this.options.filter=!0,t=e):typeof e=="function"&&(this.options.filter=e,t=!0);this.options.filter===!1&&(t=!1),this.options.enabled=t}this._clean()}setModuleOptions(e){this.moduleOptions=e,this.options.enabled===!0&&(this._clean(),this.options.container!==void 0&&(this.container=this.options.container),this._create())}_create(){this._clean(),this.changedOptions=[];let e=this.options.filter,t=0,s=!1;for(let o in 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if(l==="forward")h.arrows.to&&h.arrows.from?(u=s[h.arrows.to].value.to.type,c="",s[h.arrows.to]={attr:s[h.arrows.to].attr,name:s[h.arrows.to].name,value:{to:{enabled:!0,type:u},from:{enabled:!0,type:c}}}):h.arrows.to?(u=s[h.arrows.to].value.to.type,c="",s[h.arrows.to]={attr:s[h.arrows.to].attr,name:s[h.arrows.to].name,value:{to:{enabled:!0,type:u},from:{enabled:!0,type:c}}}):h.arrows.from&&(u="arrow",c="",h.arrows.to=h.arrows.from,s[h.arrows.to]={attr:s[h.arrows.to].attr,name:s[h.arrows.to].name,value:{to:{enabled:!0,type:u},from:{enabled:!0,type:c}}}),s[h.arrows.to]={attr:s[h.arrows.to].attr,name:s[h.arrows.to].name,value:{to:{enabled:!0,type:s[h.arrows.to].value.to.type}}};else throw J('Invalid dir type "'+l+'"');s.splice(h.dir,1)}var m;if(o.includes("penwidth")){var v=[];for(m=s.length,n=0;n<m;n++)s[n].name!=="width"&&(s[n].name==="penwidth"&&(s[n].name="width"),v.push(s[n]));s=v}for(m=s.length,n=0;n<m;n++)Ur(s[n].attr,s[n].name,s[n].value);return e}function J(n){return new 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a={id:r.id,fixed:t.nodes.fixed&&r.x!=null&&r.y!=null};return r.attributes!=null&&(a.attributes=r.attributes),r.label!=null&&(a.label=r.label),r.size!=null&&(a.size=r.size),r.attributes!=null&&r.attributes.title!=null&&(a.title=r.attributes.title),r.title!=null&&(a.title=r.title),r.x!=null&&(a.x=r.x),r.y!=null&&(a.y=r.y),r.color!=null&&(t.nodes.parseColor===!0?a.color=r.color:a.color={background:r.color,border:r.color,highlight:{background:r.color,border:r.color},hover:{background:r.color,border:r.color}}),a}),edges:s}}var ta={addDescription:"Click in an empty space to place a new node.",addEdge:"Add Edge",addNode:"Add Node",back:"Back",close:"Close",createEdgeError:"Cannot link edges to a cluster.",del:"Delete selected",deleteClusterError:"Clusters cannot be deleted.",edgeDescription:"Click on a node and drag the edge to another node to connect them.",edit:"Edit",editClusterError:"Clusters cannot be edited.",editEdge:"Edit Edge",editEdgeDescription:"Click on the control points and drag 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\u0432 \u043A\u043B\u0430\u0441\u0442\u0435\u0440.",del:"\u0423\u0434\u0430\u043B\u0438\u0442\u044C \u0432\u044B\u0431\u0440\u0430\u043D\u043D\u043E\u0435",deleteClusterError:"\u041A\u043B\u0430\u0441\u0442\u0435\u0440\u044B \u043D\u0435 \u043C\u043E\u0433\u0443\u0442 \u0431\u044B\u0442\u044C \u0443\u0434\u0430\u043B\u0435\u043D\u044B",edgeDescription:"\u041A\u043B\u0438\u043A\u043D\u0438\u0442\u0435 \u043D\u0430 \u0443\u0437\u0435\u043B \u0438 \u043F\u0440\u043E\u0442\u044F\u043D\u0438\u0442\u0435 \u0440\u0435\u0431\u0440\u043E \u043A \u0434\u0440\u0443\u0433\u043E\u043C\u0443 \u0443\u0437\u043B\u0443, \u0447\u0442\u043E\u0431\u044B \u0441\u043E\u0435\u0434\u0438\u043D\u0438\u0442\u044C \u0438\u0445.",edit:"\u0420\u0435\u0434\u0430\u043A\u0442\u0438\u0440\u043E\u0432\u0430\u0442\u044C",editClusterError:"\u041A\u043B\u0430\u0441\u0442\u0435\u0440\u044B \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u043D\u044B \u0434\u043B\u044F \u0440\u0435\u0434\u0430\u043A\u0442\u0438\u0440\u043E\u0432\u0430\u043D\u0438\u044F.",editEdge:"\u0420\u0435\u0434\u0430\u043A\u0442\u0438\u0440\u043E\u0432\u0430\u0442\u044C \u0440\u0435\u0431\u0440\u043E",editEdgeDescription:"\u041A\u043B\u0438\u043A\u043D\u0438\u0442\u0435 \u043D\u0430 \u043A\u043E\u043D\u0442\u0440\u043E\u043B\u044C\u043D\u044B\u0435 \u0442\u043E\u0447\u043A\u0438 \u0438 \u043F\u0435\u0440\u0435\u0442\u0430\u0449\u0438\u0442\u0435 \u0438\u0445 \u0432 \u0443\u0437\u0435\u043B, \u0447\u0442\u043E\u0431\u044B \u043F\u043E\u0434\u043A\u043B\u044E\u0447\u0438\u0442\u044C\u0441\u044F \u043A \u043D\u0435\u043C\u0443.",editNode:"\u0420\u0435\u0434\u0430\u043A\u0442\u0438\u0440\u043E\u0432\u0430\u0442\u044C \u0443\u0437\u0435\u043B"},ca={addDescription:"\u5355\u51FB\u7A7A\u767D\u5904\u653E\u7F6E\u65B0\u8282\u70B9\u3002",addEdge:"\u6DFB\u52A0\u8FDE\u63A5\u7EBF",addNode:"\u6DFB\u52A0\u8282\u70B9",back:"\u8FD4\u56DE",close:"\u95DC\u9589",createEdgeError:"\u65E0\u6CD5\u5C06\u8FDE\u63A5\u7EBF\u8FDE\u63A5\u5230\u7FA4\u96C6\u3002",del:"\u5220\u9664\u9009\u5B9A",deleteClusterError:"\u65E0\u6CD5\u5220\u9664\u7FA4\u96C6\u3002",edgeDescription:"\u5355\u51FB\u67D0\u4E2A\u8282\u70B9\u5E76\u5C06\u8BE5\u8FDE\u63A5\u7EBF\u62D6\u52A8\u5230\u53E6\u4E00\u4E2A\u8282\u70B9\u4EE5\u8FDE\u63A5\u5B83\u4EEC\u3002",edit:"\u7F16\u8F91",editClusterError:"\u65E0\u6CD5\u7F16\u8F91\u7FA4\u96C6\u3002",editEdge:"\u7F16\u8F91\u8FDE\u63A5\u7EBF",editEdgeDescription:"\u5355\u51FB\u63A7\u5236\u8282\u70B9\u5E76\u5C06\u5B83\u4EEC\u62D6\u5230\u8282\u70B9\u4E0A\u8FDE\u63A5\u3002",editNode:"\u7F16\u8F91\u8282\u70B9"},ua={addDescription:"K\u043B\u0456\u043A\u043D\u0456\u0442\u044C \u043D\u0430 \u0432\u0456\u043B\u044C\u043D\u0435 \u043C\u0456\u0441\u0446\u0435, \u0449\u043E\u0431 \u0434\u043E\u0434\u0430\u0442\u0438 \u043D\u043E\u0432\u0438\u0439 \u0432\u0443\u0437\u043E\u043B.",addEdge:"\u0414\u043E\u0434\u0430\u0442\u0438 \u043A\u0440\u0430\u0439",addNode:"\u0414\u043E\u0434\u0430\u0442\u0438 \u0432\u0443\u0437\u043E\u043B",back:"\u041D\u0430\u0437\u0430\u0434",close:"\u0417\u0430\u043A\u0440\u0438\u0442\u0438",createEdgeError:"\u041D\u0435 \u043C\u043E\u0436\u043B\u0438\u0432\u043E \u043E\u0431'\u0454\u0434\u043D\u0430\u0442\u0438 \u043A\u0440\u0430\u0457 \u0432 \u0433\u0440\u0443\u043F\u0443.",del:"\u0412\u0438\u0434\u0430\u043B\u0438\u0442\u0438 \u043E\u0431\u0440\u0430\u043D\u0435",deleteClusterError:"\u0413\u0440\u0443\u043F\u0438 \u043D\u0435 \u043C\u043E\u0436\u0443\u0442\u044C \u0431\u0443\u0442\u0438 \u0432\u0438\u0434\u0430\u043B\u0435\u043D\u0456.",edgeDescription:"\u041A\u043B\u0456\u043A\u043D\u0456\u0442\u044C \u043D\u0430 \u0432\u0443\u0437\u043E\u043B \u0456 \u043F\u0435\u0440\u0435\u0442\u044F\u0433\u043D\u0456\u0442\u044C \u043A\u0440\u0430\u0439 \u0434\u043E \u0456\u043D\u0448\u043E\u0433\u043E \u0432\u0443\u0437\u043B\u0430, \u0449\u043E\u0431 \u0457\u0445 \u0437'\u0454\u0434\u043D\u0430\u0442\u0438.",edit:"\u0420\u0435\u0434\u0430\u0433\u0443\u0432\u0430\u0442\u0438",editClusterError:"\u0413\u0440\u0443\u043F\u0438 \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u043D\u0456 \u0434\u043B\u044F \u0440\u0435\u0434\u0430\u0433\u0443\u0432\u0430\u043D\u043D\u044F.",editEdge:"\u0420\u0435\u0434\u0430\u0433\u0443\u0432\u0430\u0442\u0438 \u043A\u0440\u0430\u0439",editEdgeDescription:"\u041A\u043B\u0456\u043A\u043D\u0456\u0442\u044C \u043D\u0430 \u043A\u043E\u043D\u0442\u0440\u043E\u043B\u044C\u043D\u0456 \u0442\u043E\u0447\u043A\u0438 \u0456 \u043F\u0435\u0440\u0435\u0442\u044F\u0433\u043D\u0456\u0442\u044C \u0457\u0445 \u0443 \u0432\u0443\u0437\u043E\u043B, \u0449\u043E\u0431 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s}function Ii(r,e,t){if(r.width<=0||r.height<=0)return!1;if(t!==void 0){let n={x:e.x-t.x,y:e.y-t.y};if(t.angle!==0){let a=-t.angle;e={x:Math.cos(a)*n.x-Math.sin(a)*n.y,y:Math.sin(a)*n.x+Math.cos(a)*n.y}}else e=n}let s=r.x+r.width,o=r.y+r.width;return r.left<e.x&&s>e.x&&r.top<e.y&&o>e.y}function Gt(r){return typeof r=="string"&&r!==""}function yo(r,e,t,s){let o=s.x,n=s.y;if(typeof s.distanceToBorder=="function"){let a=s.distanceToBorder(r,e),d=Math.sin(e)*a,h=Math.cos(e)*a;h===a?(o+=a,n=s.y):d===a?(o=s.x,n-=a):(o+=h,n-=d)}else s.shape.width>s.shape.height?(o=s.x+s.shape.width*.5,n=s.y-t):(o=s.x+t,n=s.y-s.shape.height*.5);return{x:o,y:n}}var bo=class{constructor(e){this.measureText=e,this.current=0,this.width=0,this.height=0,this.lines=[]}_add(e,t,s="normal"){this.lines[e]===void 0&&(this.lines[e]={width:0,height:0,blocks:[]});let o=t;(t===void 0||t==="")&&(o=" ");let n=this.measureText(o,s),a=Object.assign({},n.values);a.text=t,a.width=n.width,a.mod=s,(t===void 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e}finalize(){this.determineLineHeights(),this.determineLabelSize();let e=this.removeEmptyBlocks();return{width:this.width,height:this.height,lines:e}}},ya={"<b>":/<b>/,"<i>":/<i>/,"<code>":/<code>/,"</b>":/<\/b>/,"</i>":/<\/i>/,"</code>":/<\/code>/,"*":/\*/,_:/_/,"`":/`/,afterBold:/[^*]/,afterItal:/[^_]/,afterMono:/[^`]/},Pi=class{constructor(e){this.text=e,this.bold=!1,this.ital=!1,this.mono=!1,this.spacing=!1,this.position=0,this.buffer="",this.modStack=[],this.blocks=[]}mod(){return this.modStack.length===0?"normal":this.modStack[0]}modName(){if(this.modStack.length===0)return"normal";if(this.modStack[0]==="mono")return"mono";if(this.bold&&this.ital)return"boldital";if(this.bold)return"bold";if(this.ital)return"ital"}emitBlock(){this.spacing&&(this.add(" "),this.spacing=!1),this.buffer.length>0&&(this.blocks.push({text:this.buffer,mod:this.modName()}),this.buffer="")}add(e){e===" "&&(this.spacing=!0),this.spacing&&(this.buffer+=" ",this.spacing=!1),e!=" "&&(this.buffer+=e)}parseWS(e){return/[ \t]/.test(e)?(this.mono?this.add(e):this.spacing=!0,!0):!1}setTag(e){this.emitBlock(),this[e]=!0,this.modStack.unshift(e)}unsetTag(e){this.emitBlock(),this[e]=!1,this.modStack.shift()}parseStartTag(e,t){return!this.mono&&!this[e]&&this.match(t)?(this.setTag(e),!0):!1}match(e,t=!0){let[s,o]=this.prepareRegExp(e),n=s.test(this.text.substr(this.position,o));return n&&t&&(this.position+=o-1),n}parseEndTag(e,t,s){let o=this.mod()===e;return e==="mono"?o=o&&this.mono:o=o&&!this.mono,o&&this.match(t)?(s!==void 0?(this.position===this.text.length-1||this.match(s,!1))&&this.unsetTag(e):this.unsetTag(e),!0):!1}replace(e,t){return this.match(e)?(this.add(t),this.position+=length-1,!0):!1}prepareRegExp(e){let t,s;if(e instanceof RegExp)s=e,t=1;else{let o=ya[e];o!==void 0?s=o:s=new RegExp(e),t=e.length}return[s,t]}},vo=class{constructor(e,t,s,o){this.ctx=e,this.parent=t,this.selected=s,this.hover=o;let n=(a,d)=>{if(a===void 0)return 0;let h=this.parent.getFormattingValues(e,s,o,d),l=0;return a!==""&&(l=this.ctx.measureText(a).width),{width:l,values:h}};this.lines=new bo(n)}process(e){if(!Gt(e))return this.lines.finalize();let t=this.parent.fontOptions;e=e.replace(/\r\n/g,`
 `),e=e.replace(/\r/g,`
-`);let i=String(e).split(`
-`),s=i.length;if(t.multi)for(let o=0;o<s;o++){let r=this.splitBlocks(i[o],t.multi);if(r!==void 0){if(r.length===0){this.lines.newLine("");continue}if(t.maxWdt>0)for(let a=0;a<r.length;a++){let d=r[a].mod,h=r[a].text;this.splitStringIntoLines(h,d,!0)}else for(let a=0;a<r.length;a++){let d=r[a].mod,h=r[a].text;this.lines.append(h,d)}this.lines.newLine()}}else if(t.maxWdt>0)for(let o=0;o<s;o++)this.splitStringIntoLines(i[o]);else for(let o=0;o<s;o++)this.lines.newLine(i[o]);return this.lines.finalize()}decodeMarkupSystem(e){let t="none";return e==="markdown"||e==="md"?t="markdown":(e===!0||e==="html")&&(t="html"),t}splitHtmlBlocks(e){let t=new ki(e),i=s=>/&/.test(s)?(t.replace(t.text,"&lt;","<")||t.replace(t.text,"&amp;","&")||t.add("&"),!0):!1;for(;t.position<t.text.length;){let s=t.text.charAt(t.position);t.parseWS(s)||/</.test(s)&&(t.parseStartTag("bold","<b>")||t.parseStartTag("ital","<i>")||t.parseStartTag("mono","<code>")||t.parseEndTag("bold","</b>")||t.parseEndTag("ital","</i>")||t.parseEndTag("mono","</code>"))||i(s)||t.add(s),t.position++}return t.emitBlock(),t.blocks}splitMarkdownBlocks(e){let t=new ki(e),i=!0,s=o=>/\\/.test(o)?(t.position<this.text.length+1&&(t.position++,o=this.text.charAt(t.position),/ \t/.test(o)?t.spacing=!0:(t.add(o),i=!1)),!0):!1;for(;t.position<t.text.length;){let o=t.text.charAt(t.position);t.parseWS(o)||s(o)||(i||t.spacing)&&(t.parseStartTag("bold","*")||t.parseStartTag("ital","_")||t.parseStartTag("mono","`"))||t.parseEndTag("bold","*","afterBold")||t.parseEndTag("ital","_","afterItal")||t.parseEndTag("mono","`","afterMono")||(t.add(o),i=!1),t.position++}return t.emitBlock(),t.blocks}splitBlocks(e,t){let i=this.decodeMarkupSystem(t);if(i==="none")return[{text:e,mod:"normal"}];if(i==="markdown")return this.splitMarkdownBlocks(e);if(i==="html")return this.splitHtmlBlocks(e)}overMaxWidth(e){let t=this.ctx.measureText(e).width;return this.lines.curWidth()+t>this.parent.fontOptions.maxWdt}getLongestFit(e){let t="",i=0;for(;i<e.length;){let o=t+(t===""?"":" ")+e[i];if(this.overMaxWidth(o))break;t=o,i++}return i}getLongestFitWord(e){let t=0;for(;t<e.length&&!this.overMaxWidth(e.slice(0,t));)t++;return t}splitStringIntoLines(e,t="normal",i=!1){this.parent.getFormattingValues(this.ctx,this.selected,this.hover,t),e=e.replace(/^( +)/g,"$1\r"),e=e.replace(/([^\r][^ ]*)( +)/g,"$1\r$2\r");let s=e.split("\r");for(;s.length>0;){let o=this.getLongestFit(s);if(o===0){let r=s[0],a=this.getLongestFitWord(r);this.lines.newLine(r.slice(0,a),t),s[0]=r.slice(a)}else{let r=o;s[o-1]===" "?o--:s[r]===" "&&r++;let a=s.slice(0,o).join("");o==s.length&&i?this.lines.append(a,t):this.lines.newLine(a,t),s=s.slice(r)}}}},Yt=["bold","ital","boldital","mono"],Ue=class{constructor(e,t,i=!1){this.body=e,this.pointToSelf=!1,this.baseSize=void 0,this.fontOptions={},this.setOptions(t),this.size={top:0,left:0,width:0,height:0,yLine:0},this.isEdgeLabel=i}setOptions(e){if(this.elementOptions=e,this.initFontOptions(e.font),qt(e.label)?this.labelDirty=!0:e.label=void 0,e.font!==void 0&&e.font!==null){if(typeof e.font=="string")this.baseSize=this.fontOptions.size;else if(typeof e.font=="object"){let t=e.font.size;t!==void 0&&(this.baseSize=t)}}}initFontOptions(e){if(M(Yt,t=>{this.fontOptions[t]={}}),Ue.parseFontString(this.fontOptions,e)){this.fontOptions.vadjust=0;return}M(e,(t,i)=>{t!=null&&typeof t!="object"&&(this.fontOptions[i]=t)})}static parseFontString(e,t){if(!t||typeof t!="string")return!1;let i=t.split(" ");return e.size=+i[0].replace("px",""),e.face=i[1],e.color=i[2],!0}constrain(e){let t={constrainWidth:!1,maxWdt:-1,minWdt:-1,constrainHeight:!1,minHgt:-1,valign:"middle"},i=_e(e,"widthConstraint");if(typeof i=="number")t.maxWdt=Number(i),t.minWdt=Number(i);else if(typeof i=="object"){let o=_e(e,["widthConstraint","maximum"]);typeof o=="number"&&(t.maxWdt=Number(o));let r=_e(e,["widthConstraint","minimum"]);typeof r=="number"&&(t.minWdt=Number(r))}let s=_e(e,"heightConstraint");if(typeof s=="number")t.minHgt=Number(s);else if(typeof s=="object"){let o=_e(e,["heightConstraint","minimum"]);typeof o=="number"&&(t.minHgt=Number(o));let r=_e(e,["heightConstraint","valign"]);typeof r=="string"&&(r==="top"||r==="bottom")&&(t.valign=r)}return t}update(e,t){this.setOptions(e,!0),this.propagateFonts(t),B(this.fontOptions,this.constrain(t)),this.fontOptions.chooser=Ci("label",t)}adjustSizes(e){let t=e?e.right+e.left:0;this.fontOptions.constrainWidth&&(this.fontOptions.maxWdt-=t,this.fontOptions.minWdt-=t);let i=e?e.top+e.bottom:0;this.fontOptions.constrainHeight&&(this.fontOptions.minHgt-=i)}addFontOptionsToPile(e,t){for(let i=0;i<t.length;++i)this.addFontToPile(e,t[i])}addFontToPile(e,t){if(t===void 0||t.font===void 0||t.font===null)return;let i=t.font;e.push(i)}getBasicOptions(e){let t={};for(let i=0;i<e.length;++i){let s=e[i],o={};Ue.parseFontString(o,s)&&(s=o),M(s,(r,a)=>{r!==void 0&&(Object.prototype.hasOwnProperty.call(t,a)||(Yt.indexOf(a)!==-1?t[a]={}:t[a]=r))})}return t}getFontOption(e,t,i){let s;for(let o=0;o<e.length;++o){let r=e[o];if(Object.prototype.hasOwnProperty.call(r,t)){if(s=r[t],s==null)continue;let a={};if(Ue.parseFontString(a,s)&&(s=a),Object.prototype.hasOwnProperty.call(s,i))return s[i]}}if(Object.prototype.hasOwnProperty.call(this.fontOptions,i))return this.fontOptions[i];throw new Error("Did not find value for multi-font for property: '"+i+"'")}getFontOptions(e,t){let i={},s=["color","size","face","mod","vadjust"];for(let o=0;o<s.length;++o){let r=s[o];i[r]=this.getFontOption(e,t,r)}return i}propagateFonts(e){let t=[];this.addFontOptionsToPile(t,e),this.fontOptions=this.getBasicOptions(t);for(let i=0;i<Yt.length;++i){let s=Yt[i],o=this.fontOptions[s],r=this.getFontOptions(t,s);M(r,(a,d)=>{o[d]=a}),o.size=Number(o.size),o.vadjust=Number(o.vadjust)}}draw(e,t,i,s,o,r="middle"){if(this.elementOptions.label===void 0)return;let a=this.fontOptions.size*this.body.view.scale;this.elementOptions.label&&a<this.elementOptions.scaling.label.drawThreshold-1||(a>=this.elementOptions.scaling.label.maxVisible&&(a=Number(this.elementOptions.scaling.label.maxVisible)/this.body.view.scale),this.calculateLabelSize(e,s,o,t,i,r),this._drawBackground(e),this._drawText(e,t,this.size.yLine,r,a))}_drawBackground(e){if(this.fontOptions.background!==void 0&&this.fontOptions.background!=="none"){e.fillStyle=this.fontOptions.background;let t=this.getSize();e.fillRect(t.left,t.top,t.width,t.height)}}_drawText(e,t,i,s="middle",o){[t,i]=this._setAlignment(e,t,i,s),e.textAlign="left",t=t-this.size.width/2,this.fontOptions.valign&&this.size.height>this.size.labelHeight&&(this.fontOptions.valign==="top"&&(i-=(this.size.height-this.size.labelHeight)/2),this.fontOptions.valign==="bottom"&&(i+=(this.size.height-this.size.labelHeight)/2));for(let r=0;r<this.lineCount;r++){let a=this.lines[r];if(a&&a.blocks){let d=0;this.isEdgeLabel||this.fontOptions.align==="center"?d+=(this.size.width-a.width)/2:this.fontOptions.align==="right"&&(d+=this.size.width-a.width);for(let h=0;h<a.blocks.length;h++){let l=a.blocks[h];e.font=l.font;let[c,u]=this._getColor(l.color,o,l.strokeColor);l.strokeWidth>0&&(e.lineWidth=l.strokeWidth,e.strokeStyle=u,e.lineJoin="round"),e.fillStyle=c,l.strokeWidth>0&&e.strokeText(l.text,t+d,i+l.vadjust),e.fillText(l.text,t+d,i+l.vadjust),d+=l.width}i+=a.height}}}_setAlignment(e,t,i,s){if(this.isEdgeLabel&&this.fontOptions.align!=="horizontal"&&this.pointToSelf===!1){t=0,i=0;let o=2;this.fontOptions.align==="top"?(e.textBaseline="alphabetic",i-=2*o):this.fontOptions.align==="bottom"?(e.textBaseline="hanging",i+=2*o):e.textBaseline="middle"}else e.textBaseline=s;return[t,i]}_getColor(e,t,i){let s=e||"#000000",o=i||"#ffffff";if(t<=this.elementOptions.scaling.label.drawThreshold){let r=Math.max(0,Math.min(1,1-(this.elementOptions.scaling.label.drawThreshold-t)));s=se(s,r),o=se(o,r)}return[s,o]}getTextSize(e,t=!1,i=!1){return this._processLabel(e,t,i),{width:this.size.width,height:this.size.height,lineCount:this.lineCount}}getSize(){let e=2,t=this.size.left,i=this.size.top-.5*e;if(this.isEdgeLabel){let o=-this.size.width*.5;switch(this.fontOptions.align){case"middle":t=o,i=-this.size.height*.5;break;case"top":t=o,i=-(this.size.height+e);break;case"bottom":t=o,i=e;break}}return{left:t,top:i,width:this.size.width,height:this.size.height}}calculateLabelSize(e,t,i,s=0,o=0,r="middle"){this._processLabel(e,t,i),this.size.left=s-this.size.width*.5,this.size.top=o-this.size.height*.5,this.size.yLine=o+(1-this.lineCount)*.5*this.fontOptions.size,r==="hanging"&&(this.size.top+=.5*this.fontOptions.size,this.size.top+=4,this.size.yLine+=4)}getFormattingValues(e,t,i,s){let o=function(d,h,l){return h==="normal"?l==="mod"?"":d[l]:d[h][l]!==void 0?d[h][l]:d[l]},r={color:o(this.fontOptions,s,"color"),size:o(this.fontOptions,s,"size"),face:o(this.fontOptions,s,"face"),mod:o(this.fontOptions,s,"mod"),vadjust:o(this.fontOptions,s,"vadjust"),strokeWidth:this.fontOptions.strokeWidth,strokeColor:this.fontOptions.strokeColor};(t||i)&&(s==="normal"&&this.fontOptions.chooser===!0&&this.elementOptions.labelHighlightBold?r.mod="bold":typeof this.fontOptions.chooser=="function"&&this.fontOptions.chooser(r,this.elementOptions.id,t,i));let a="";return r.mod!==void 0&&r.mod!==""&&(a+=r.mod+" "),a+=r.size+"px "+r.face,e.font=a.replace(/"/g,""),r.font=e.font,r.height=r.size,r}differentState(e,t){return e!==this.selectedState||t!==this.hoverState}_processLabelText(e,t,i,s){return new go(e,this,t,i).process(s)}_processLabel(e,t,i){if(this.labelDirty===!1&&!this.differentState(t,i))return;let s=this._processLabelText(e,t,i,this.elementOptions.label);this.fontOptions.minWdt>0&&s.width<this.fontOptions.minWdt&&(s.width=this.fontOptions.minWdt),this.size.labelHeight=s.height,this.fontOptions.minHgt>0&&s.height<this.fontOptions.minHgt&&(s.height=this.fontOptions.minHgt),this.lines=s.lines,this.lineCount=s.lines.length,this.size.width=s.width,this.size.height=s.height,this.selectedState=t,this.hoverState=i,this.labelDirty=!1}visible(){return!(this.size.width===0||this.size.height===0||this.elementOptions.label===void 0||this.fontOptions.size*this.body.view.scale<this.elementOptions.scaling.label.drawThreshold-1)}},De=class{constructor(e,t,i){this.body=t,this.labelModule=i,this.setOptions(e),this.top=void 0,this.left=void 0,this.height=void 0,this.width=void 0,this.radius=void 0,this.margin=void 0,this.refreshNeeded=!0,this.boundingBox={top:0,left:0,right:0,bottom:0}}setOptions(e){this.options=e}_setMargins(e){this.margin={},this.options.margin&&(typeof this.options.margin=="object"?(this.margin.top=this.options.margin.top,this.margin.right=this.options.margin.right,this.margin.bottom=this.options.margin.bottom,this.margin.left=this.options.margin.left):(this.margin.top=this.options.margin,this.margin.right=this.options.margin,this.margin.bottom=this.options.margin,this.margin.left=this.options.margin)),e.adjustSizes(this.margin)}_distanceToBorder(e,t){let i=this.options.borderWidth;return e&&this.resize(e),Math.min(Math.abs(this.width/2/Math.cos(t)),Math.abs(this.height/2/Math.sin(t)))+i}enableShadow(e,t){t.shadow&&(e.shadowColor=t.shadowColor,e.shadowBlur=t.shadowSize,e.shadowOffsetX=t.shadowX,e.shadowOffsetY=t.shadowY)}disableShadow(e,t){t.shadow&&(e.shadowColor="rgba(0,0,0,0)",e.shadowBlur=0,e.shadowOffsetX=0,e.shadowOffsetY=0)}enableBorderDashes(e,t){if(t.borderDashes!==!1)if(e.setLineDash!==void 0){let i=t.borderDashes;i===!0&&(i=[5,15]),e.setLineDash(i)}else console.warn("setLineDash is not supported in this browser. The dashed borders cannot be used."),this.options.shapeProperties.borderDashes=!1,t.borderDashes=!1}disableBorderDashes(e,t){t.borderDashes!==!1&&(e.setLineDash!==void 0?e.setLineDash([0]):(console.warn("setLineDash is not supported in this browser. The dashed borders cannot be used."),this.options.shapeProperties.borderDashes=!1,t.borderDashes=!1))}needsRefresh(e,t){return this.refreshNeeded===!0?(this.refreshNeeded=!1,!0):this.width===void 0||this.labelModule.differentState(e,t)}initContextForDraw(e,t){let i=t.borderWidth/this.body.view.scale;e.lineWidth=Math.min(this.width,i),e.strokeStyle=t.borderColor,e.fillStyle=t.color}performStroke(e,t){let i=t.borderWidth/this.body.view.scale;e.save(),i>0&&(this.enableBorderDashes(e,t),e.stroke(),this.disableBorderDashes(e,t)),e.restore()}performFill(e,t){e.save(),e.fillStyle=t.color,this.enableShadow(e,t),e.fill(),this.disableShadow(e,t),e.restore(),this.performStroke(e,t)}_addBoundingBoxMargin(e){this.boundingBox.left-=e,this.boundingBox.top-=e,this.boundingBox.bottom+=e,this.boundingBox.right+=e}_updateBoundingBox(e,t,i,s,o){i!==void 0&&this.resize(i,s,o),this.left=e-this.width/2,this.top=t-this.height/2,this.boundingBox.left=this.left,this.boundingBox.top=this.top,this.boundingBox.bottom=this.top+this.height,this.boundingBox.right=this.left+this.width}updateBoundingBox(e,t,i,s,o){this._updateBoundingBox(e,t,i,s,o)}getDimensionsFromLabel(e,t,i){this.textSize=this.labelModule.getTextSize(e,t,i);let s=this.textSize.width,o=this.textSize.height,r=14;return s===0&&(s=r,o=r),{width:s,height:o}}},ga=class extends De{constructor(e,t,i){super(e,t,i);this._setMargins(i)}resize(e,t=this.selected,i=this.hover){if(this.needsRefresh(t,i)){let s=this.getDimensionsFromLabel(e,t,i);this.width=s.width+this.margin.right+this.margin.left,this.height=s.height+this.margin.top+this.margin.bottom,this.radius=this.width/2}}draw(e,t,i,s,o,r){this.resize(e,s,o),this.left=t-this.width/2,this.top=i-this.height/2,this.initContextForDraw(e,r),Ks(e,this.left,this.top,this.width,this.height,r.borderRadius),this.performFill(e,r),this.updateBoundingBox(t,i,e,s,o),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,s,o)}updateBoundingBox(e,t,i,s,o){this._updateBoundingBox(e,t,i,s,o);let r=this.options.shapeProperties.borderRadius;this._addBoundingBoxMargin(r)}distanceToBorder(e,t){e&&this.resize(e);let i=this.options.borderWidth;return Math.min(Math.abs(this.width/2/Math.cos(t)),Math.abs(this.height/2/Math.sin(t)))+i}},Ut=class extends De{constructor(e,t,i){super(e,t,i);this.labelOffset=0,this.selected=!1}setOptions(e,t,i){this.options=e,t===void 0&&i===void 0||this.setImages(t,i)}setImages(e,t){t&&this.selected?(this.imageObj=t,this.imageObjAlt=e):(this.imageObj=e,this.imageObjAlt=t)}switchImages(e){let t=e&&!this.selected||!e&&this.selected;if(this.selected=e,this.imageObjAlt!==void 0&&t){let i=this.imageObj;this.imageObj=this.imageObjAlt,this.imageObjAlt=i}}_getImagePadding(){let e={top:0,right:0,bottom:0,left:0};if(this.options.imagePadding){let t=this.options.imagePadding;typeof t=="object"?(e.top=t.top,e.right=t.right,e.bottom=t.bottom,e.left=t.left):(e.top=t,e.right=t,e.bottom=t,e.left=t)}return e}_resizeImage(){let e,t;if(this.options.shapeProperties.useImageSize===!1){let i=1,s=1;this.imageObj.width&&this.imageObj.height&&(this.imageObj.width>this.imageObj.height?i=this.imageObj.width/this.imageObj.height:s=this.imageObj.height/this.imageObj.width),e=this.options.size*2*i,t=this.options.size*2*s}else{let i=this._getImagePadding();e=this.imageObj.width+i.left+i.right,t=this.imageObj.height+i.top+i.bottom}this.width=e,this.height=t,this.radius=.5*this.width}_drawRawCircle(e,t,i,s){this.initContextForDraw(e,s),wi(e,t,i,s.size),this.performFill(e,s)}_drawImageAtPosition(e,t){if(this.imageObj.width!=0){e.globalAlpha=t.opacity!==void 0?t.opacity:1,this.enableShadow(e,t);let i=1;this.options.shapeProperties.interpolation===!0&&(i=this.imageObj.width/this.width/this.body.view.scale);let s=this._getImagePadding(),o=this.left+s.left,r=this.top+s.top,a=this.width-s.left-s.right,d=this.height-s.top-s.bottom;this.imageObj.drawImageAtPosition(e,i,o,r,a,d),this.disableShadow(e,t)}}_drawImageLabel(e,t,i,s,o){let r=0;if(this.height!==void 0){r=this.height*.5;let d=this.labelModule.getTextSize(e,s,o);d.lineCount>=1&&(r+=d.height/2)}let a=i+r;this.options.label&&(this.labelOffset=r),this.labelModule.draw(e,t,a,s,o,"hanging")}},ma=class extends Ut{constructor(e,t,i){super(e,t,i);this._setMargins(i)}resize(e,t=this.selected,i=this.hover){if(this.needsRefresh(t,i)){let s=this.getDimensionsFromLabel(e,t,i),o=Math.max(s.width+this.margin.right+this.margin.left,s.height+this.margin.top+this.margin.bottom);this.options.size=o/2,this.width=o,this.height=o,this.radius=this.width/2}}draw(e,t,i,s,o,r){this.resize(e,s,o),this.left=t-this.width/2,this.top=i-this.height/2,this._drawRawCircle(e,t,i,r),this.updateBoundingBox(t,i),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,i,s,o)}updateBoundingBox(e,t){this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size}distanceToBorder(e){return e&&this.resize(e),this.width*.5}},mo=class extends Ut{constructor(e,t,i,s,o){super(e,t,i);this.setImages(s,o)}resize(e,t=this.selected,i=this.hover){if(this.imageObj.src===void 0||this.imageObj.width===void 0||this.imageObj.height===void 0){let o=this.options.size*2;this.width=o,this.height=o,this.radius=.5*this.width;return}this.needsRefresh(t,i)&&this._resizeImage()}draw(e,t,i,s,o,r){this.switchImages(s),this.resize();let a=t,d=i;this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=t,this.top=i,a+=this.width/2,d+=this.height/2):(this.left=t-this.width/2,this.top=i-this.height/2),this._drawRawCircle(e,a,d,r),e.save(),e.clip(),this._drawImageAtPosition(e,r),e.restore(),this._drawImageLabel(e,a,d,s,o),this.updateBoundingBox(t,i)}updateBoundingBox(e,t){this.options.shapeProperties.coordinateOrigin==="top-left"?(this.boundingBox.top=t,this.boundingBox.left=e,this.boundingBox.right=e+this.options.size*2,this.boundingBox.bottom=t+this.options.size*2):(this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size),this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelOffset)}distanceToBorder(e){return e&&this.resize(e),this.width*.5}},Ce=class extends De{constructor(e,t,i){super(e,t,i)}resize(e,t=this.selected,i=this.hover,s={size:this.options.size}){var o,r;if(this.needsRefresh(t,i)){this.labelModule.getTextSize(e,t,i);let a=2*s.size;this.width=(o=this.customSizeWidth)!=null?o:a,this.height=(r=this.customSizeHeight)!=null?r:a,this.radius=.5*this.width}}_drawShape(e,t,i,s,o,r,a,d){return this.resize(e,r,a,d),this.left=s-this.width/2,this.top=o-this.height/2,this.initContextForDraw(e,d),Vr(t)(e,s,o,d.size),this.performFill(e,d),this.options.icon!==void 0&&this.options.icon.code!==void 0&&(e.font=(r?"bold ":"")+this.height/2+"px "+(this.options.icon.face||"FontAwesome"),e.fillStyle=this.options.icon.color||"black",e.textAlign="center",e.textBaseline="middle",e.fillText(this.options.icon.code,s,o)),{drawExternalLabel:()=>{if(this.options.label!==void 0){this.labelModule.calculateLabelSize(e,r,a,s,o,"hanging");let h=o+.5*this.height+.5*this.labelModule.size.height;this.labelModule.draw(e,s,h,r,a,"hanging")}this.updateBoundingBox(s,o)}}}updateBoundingBox(e,t){this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size,this.options.label!==void 0&&this.labelModule.size.width>0&&(this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelModule.size.height))}},yo=class extends Ce{constructor(e,t,i,s){super(e,t,i,s);this.ctxRenderer=s}draw(e,t,i,s,o,r){this.resize(e,s,o,r),this.left=t-this.width/2,this.top=i-this.height/2,e.save();let a=this.ctxRenderer({ctx:e,id:this.options.id,x:t,y:i,state:{selected:s,hover:o},style:le({},r),label:this.options.label});if(a.drawNode!=null&&a.drawNode(),e.restore(),a.drawExternalLabel){let d=a.drawExternalLabel;a.drawExternalLabel=()=>{e.save(),d(),e.restore()}}return a.nodeDimensions&&(this.customSizeWidth=a.nodeDimensions.width,this.customSizeHeight=a.nodeDimensions.height),a}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},bo=class extends De{constructor(e,t,i){super(e,t,i);this._setMargins(i)}resize(e,t,i){if(this.needsRefresh(t,i)){let o=this.getDimensionsFromLabel(e,t,i).width+this.margin.right+this.margin.left;this.width=o,this.height=o,this.radius=this.width/2}}draw(e,t,i,s,o,r){this.resize(e,s,o),this.left=t-this.width/2,this.top=i-this.height/2,this.initContextForDraw(e,r),$s(e,t-this.width/2,i-this.height/2,this.width,this.height),this.performFill(e,r),this.updateBoundingBox(t,i,e,s,o),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,s,o)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},ya=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"diamond",4,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},vo=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"circle",2,t,i,s,o,r)}distanceToBorder(e){return e&&this.resize(e),this.options.size}},Oi=class extends De{constructor(e,t,i){super(e,t,i)}resize(e,t=this.selected,i=this.hover){if(this.needsRefresh(t,i)){let s=this.getDimensionsFromLabel(e,t,i);this.height=s.height*2,this.width=s.width+s.height,this.radius=.5*this.width}}draw(e,t,i,s,o,r){this.resize(e,s,o),this.left=t-this.width*.5,this.top=i-this.height*.5,this.initContextForDraw(e,r),_i(e,this.left,this.top,this.width,this.height),this.performFill(e,r),this.updateBoundingBox(t,i,e,s,o),this.labelModule.draw(e,t,i,s,o)}distanceToBorder(e,t){e&&this.resize(e);let i=this.width*.5,s=this.height*.5,o=Math.sin(t)*i,r=Math.cos(t)*s;return i*s/Math.sqrt(o*o+r*r)}},wo=class extends De{constructor(e,t,i){super(e,t,i);this._setMargins(i)}resize(e,t,i){this.needsRefresh(t,i)&&(this.iconSize={width:Number(this.options.icon.size),height:Number(this.options.icon.size)},this.width=this.iconSize.width+this.margin.right+this.margin.left,this.height=this.iconSize.height+this.margin.top+this.margin.bottom,this.radius=.5*this.width)}draw(e,t,i,s,o,r){return this.resize(e,s,o),this.options.icon.size=this.options.icon.size||50,this.left=t-this.width/2,this.top=i-this.height/2,this._icon(e,t,i,s,o,r),{drawExternalLabel:()=>{if(this.options.label!==void 0){let a=5;this.labelModule.draw(e,this.left+this.iconSize.width/2+this.margin.left,i+this.height/2+a,s)}this.updateBoundingBox(t,i)}}}updateBoundingBox(e,t){if(this.boundingBox.top=t-this.options.icon.size*.5,this.boundingBox.left=e-this.options.icon.size*.5,this.boundingBox.right=e+this.options.icon.size*.5,this.boundingBox.bottom=t+this.options.icon.size*.5,this.options.label!==void 0&&this.labelModule.size.width>0){let i=5;this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelModule.size.height+i)}}_icon(e,t,i,s,o,r){let a=Number(this.options.icon.size);this.options.icon.code!==void 0?(e.font=[this.options.icon.weight!=null?this.options.icon.weight:s?"bold":"",(this.options.icon.weight!=null&&s?5:0)+a+"px",this.options.icon.face].join(" "),e.fillStyle=this.options.icon.color||"black",e.textAlign="center",e.textBaseline="middle",this.enableShadow(e,r),e.fillText(this.options.icon.code,t,i),this.disableShadow(e,r)):console.error("When using the icon shape, you need to define the code in the icon options object. This can be done per node or globally.")}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},ba=class extends Ut{constructor(e,t,i,s,o){super(e,t,i);this.setImages(s,o)}resize(e,t=this.selected,i=this.hover){if(this.imageObj.src===void 0||this.imageObj.width===void 0||this.imageObj.height===void 0){let o=this.options.size*2;this.width=o,this.height=o;return}this.needsRefresh(t,i)&&this._resizeImage()}draw(e,t,i,s,o,r){e.save(),this.switchImages(s),this.resize();let a=t,d=i;if(this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=t,this.top=i,a+=this.width/2,d+=this.height/2):(this.left=t-this.width/2,this.top=i-this.height/2),this.options.shapeProperties.useBorderWithImage===!0){let h=this.options.borderWidth,l=this.options.borderWidthSelected||2*this.options.borderWidth,c=(s?l:h)/this.body.view.scale;e.lineWidth=Math.min(this.width,c),e.beginPath();let u=s?this.options.color.highlight.border:o?this.options.color.hover.border:this.options.color.border,f=s?this.options.color.highlight.background:o?this.options.color.hover.background:this.options.color.background;r.opacity!==void 0&&(u=se(u,r.opacity),f=se(f,r.opacity)),e.strokeStyle=u,e.fillStyle=f,e.rect(this.left-.5*e.lineWidth,this.top-.5*e.lineWidth,this.width+e.lineWidth,this.height+e.lineWidth),e.fill(),this.performStroke(e,r),e.closePath()}this._drawImageAtPosition(e,r),this._drawImageLabel(e,a,d,s,o),this.updateBoundingBox(t,i),e.restore()}updateBoundingBox(e,t){this.resize(),this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=e,this.top=t):(this.left=e-this.width/2,this.top=t-this.height/2),this.boundingBox.left=this.left,this.boundingBox.top=this.top,this.boundingBox.bottom=this.top+this.height,this.boundingBox.right=this.left+this.width,this.options.label!==void 0&&this.labelModule.size.width>0&&(this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelOffset))}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},_o=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"square",2,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Eo=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"hexagon",4,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},xo=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"star",4,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Co=class extends De{constructor(e,t,i){super(e,t,i);this._setMargins(i)}resize(e,t,i){this.needsRefresh(t,i)&&(this.textSize=this.labelModule.getTextSize(e,t,i),this.width=this.textSize.width+this.margin.right+this.margin.left,this.height=this.textSize.height+this.margin.top+this.margin.bottom,this.radius=.5*this.width)}draw(e,t,i,s,o,r){this.resize(e,s,o),this.left=t-this.width/2,this.top=i-this.height/2,this.enableShadow(e,r),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,s,o),this.disableShadow(e,r),this.updateBoundingBox(t,i,e,s,o)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},va=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"triangle",3,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},To=class extends Ce{constructor(e,t,i){super(e,t,i)}draw(e,t,i,s,o,r){return this._drawShape(e,"triangleDown",3,t,i,s,o,r)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},L=class{constructor(e,t,i,s,o,r){this.options=we(o),this.globalOptions=o,this.defaultOptions=r,this.body=t,this.edges=[],this.id=void 0,this.imagelist=i,this.grouplist=s,this.x=void 0,this.y=void 0,this.baseSize=this.options.size,this.baseFontSize=this.options.font.size,this.predefinedPosition=!1,this.selected=!1,this.hover=!1,this.labelModule=new Ue(this.body,this.options,!1),this.setOptions(e)}attachEdge(e){this.edges.indexOf(e)===-1&&this.edges.push(e)}detachEdge(e){let t=this.edges.indexOf(e);t!=-1&&this.edges.splice(t,1)}setOptions(e){let t=this.options.shape;if(!e)return;if(typeof e.color!="undefined"&&(this._localColor=e.color),e.id!==void 0&&(this.id=e.id),this.id===void 0)throw new Error("Node must have an id");L.checkMass(e,this.id),e.x!==void 0&&(e.x===null?(this.x=void 0,this.predefinedPosition=!1):(this.x=parseInt(e.x),this.predefinedPosition=!0)),e.y!==void 0&&(e.y===null?(this.y=void 0,this.predefinedPosition=!1):(this.y=parseInt(e.y),this.predefinedPosition=!0)),e.size!==void 0&&(this.baseSize=e.size),e.value!==void 0&&(e.value=parseFloat(e.value)),L.parseOptions(this.options,e,!0,this.globalOptions,this.grouplist);let i=[e,this.options,this.defaultOptions];return this.chooser=Ci("node",i),this._load_images(),this.updateLabelModule(e),e.opacity!==void 0&&L.checkOpacity(e.opacity)&&(this.options.opacity=e.opacity),this.updateShape(t),e.hidden!==void 0||e.physics!==void 0}_load_images(){if((this.options.shape==="circularImage"||this.options.shape==="image")&&this.options.image===void 0)throw new Error("Option image must be defined for node type '"+this.options.shape+"'");if(this.options.image!==void 0){if(this.imagelist===void 0)throw new Error("Internal Error: No images provided");if(typeof this.options.image=="string")this.imageObj=this.imagelist.load(this.options.image,this.options.brokenImage,this.id);else{if(this.options.image.unselected===void 0)throw new Error("No unselected image provided");this.imageObj=this.imagelist.load(this.options.image.unselected,this.options.brokenImage,this.id),this.options.image.selected!==void 0?this.imageObjAlt=this.imagelist.load(this.options.image.selected,this.options.brokenImage,this.id):this.imageObjAlt=void 0}}}static checkOpacity(e){return 0<=e&&e<=1}static checkCoordinateOrigin(e){return e===void 0||e==="center"||e==="top-left"}static updateGroupOptions(e,t,i){if(i===void 0)return;let s=e.group;if(t!==void 0&&t.group!==void 0&&s!==t.group)throw new Error("updateGroupOptions: group values in options don't match.");if(!(typeof s=="number"||typeof s=="string"&&s!=""))return;let r=i.get(s);r.opacity!==void 0&&t.opacity===void 0&&(L.checkOpacity(r.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+r.opacity),r.opacity=void 0));let a=Object.getOwnPropertyNames(t).filter(d=>t[d]!=null);a.push("font"),bt(a,e,r),e.color=zt(e.color)}static parseOptions(e,t,i=!1,s={},o){if(bt(["color","fixed","shadow"],e,t,i),L.checkMass(t),e.opacity!==void 0&&(L.checkOpacity(e.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+e.opacity),e.opacity=void 0)),t.opacity!==void 0&&(L.checkOpacity(t.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+t.opacity),t.opacity=void 0)),t.shapeProperties&&!L.checkCoordinateOrigin(t.shapeProperties.coordinateOrigin)&&console.error("Invalid option for node coordinateOrigin, found: "+t.shapeProperties.coordinateOrigin),oe(e,t,"shadow",s),t.color!==void 0&&t.color!==null){let a=zt(t.color);fi(e.color,a)}else i===!0&&t.color===null&&(e.color=we(s.color));t.fixed!==void 0&&t.fixed!==null&&(typeof t.fixed=="boolean"?(e.fixed.x=t.fixed,e.fixed.y=t.fixed):(t.fixed.x!==void 0&&typeof t.fixed.x=="boolean"&&(e.fixed.x=t.fixed.x),t.fixed.y!==void 0&&typeof t.fixed.y=="boolean"&&(e.fixed.y=t.fixed.y))),i===!0&&t.font===null&&(e.font=we(s.font)),L.updateGroupOptions(e,t,o),t.scaling!==void 0&&oe(e.scaling,t.scaling,"label",s.scaling)}getFormattingValues(){let e={color:this.options.color.background,opacity:this.options.opacity,borderWidth:this.options.borderWidth,borderColor:this.options.color.border,size:this.options.size,borderDashes:this.options.shapeProperties.borderDashes,borderRadius:this.options.shapeProperties.borderRadius,shadow:this.options.shadow.enabled,shadowColor:this.options.shadow.color,shadowSize:this.options.shadow.size,shadowX:this.options.shadow.x,shadowY:this.options.shadow.y};if(this.selected||this.hover?this.chooser===!0?this.selected?(this.options.borderWidthSelected!=null?e.borderWidth=this.options.borderWidthSelected:e.borderWidth*=2,e.color=this.options.color.highlight.background,e.borderColor=this.options.color.highlight.border,e.shadow=this.options.shadow.enabled):this.hover&&(e.color=this.options.color.hover.background,e.borderColor=this.options.color.hover.border,e.shadow=this.options.shadow.enabled):typeof this.chooser=="function"&&(this.chooser(e,this.options.id,this.selected,this.hover),e.shadow===!1&&(e.shadowColor!==this.options.shadow.color||e.shadowSize!==this.options.shadow.size||e.shadowX!==this.options.shadow.x||e.shadowY!==this.options.shadow.y)&&(e.shadow=!0)):e.shadow=this.options.shadow.enabled,this.options.opacity!==void 0){let t=this.options.opacity;e.borderColor=se(e.borderColor,t),e.color=se(e.color,t),e.shadowColor=se(e.shadowColor,t)}return e}updateLabelModule(e){(this.options.label===void 0||this.options.label===null)&&(this.options.label=""),L.updateGroupOptions(this.options,Be(le({},e),{color:e&&e.color||this._localColor||void 0}),this.grouplist);let t=this.grouplist.get(this.options.group,!1),i=[e,this.options,t,this.globalOptions,this.defaultOptions];this.labelModule.update(this.options,i),this.labelModule.baseSize!==void 0&&(this.baseFontSize=this.labelModule.baseSize)}updateShape(e){if(e===this.options.shape&&this.shape)this.shape.setOptions(this.options,this.imageObj,this.imageObjAlt);else switch(this.options.shape){case"box":this.shape=new ga(this.options,this.body,this.labelModule);break;case"circle":this.shape=new ma(this.options,this.body,this.labelModule);break;case"circularImage":this.shape=new mo(this.options,this.body,this.labelModule,this.imageObj,this.imageObjAlt);break;case"custom":this.shape=new yo(this.options,this.body,this.labelModule,this.options.ctxRenderer);break;case"database":this.shape=new bo(this.options,this.body,this.labelModule);break;case"diamond":this.shape=new ya(this.options,this.body,this.labelModule);break;case"dot":this.shape=new vo(this.options,this.body,this.labelModule);break;case"ellipse":this.shape=new Oi(this.options,this.body,this.labelModule);break;case"icon":this.shape=new wo(this.options,this.body,this.labelModule);break;case"image":this.shape=new ba(this.options,this.body,this.labelModule,this.imageObj,this.imageObjAlt);break;case"square":this.shape=new _o(this.options,this.body,this.labelModule);break;case"hexagon":this.shape=new Eo(this.options,this.body,this.labelModule);break;case"star":this.shape=new xo(this.options,this.body,this.labelModule);break;case"text":this.shape=new Co(this.options,this.body,this.labelModule);break;case"triangle":this.shape=new va(this.options,this.body,this.labelModule);break;case"triangleDown":this.shape=new To(this.options,this.body,this.labelModule);break;default:this.shape=new Oi(this.options,this.body,this.labelModule);break}this.needsRefresh()}select(){this.selected=!0,this.needsRefresh()}unselect(){this.selected=!1,this.needsRefresh()}needsRefresh(){this.shape.refreshNeeded=!0}getTitle(){return this.options.title}distanceToBorder(e,t){return this.shape.distanceToBorder(e,t)}isFixed(){return this.options.fixed.x&&this.options.fixed.y}isSelected(){return this.selected}getValue(){return this.options.value}getLabelSize(){return this.labelModule.size()}setValueRange(e,t,i){if(this.options.value!==void 0){let s=this.options.scaling.customScalingFunction(e,t,i,this.options.value),o=this.options.scaling.max-this.options.scaling.min;if(this.options.scaling.label.enabled===!0){let r=this.options.scaling.label.max-this.options.scaling.label.min;this.options.font.size=this.options.scaling.label.min+s*r}this.options.size=this.options.scaling.min+s*o}else this.options.size=this.baseSize,this.options.font.size=this.baseFontSize;this.updateLabelModule()}draw(e){let t=this.getFormattingValues();return this.shape.draw(e,this.x,this.y,this.selected,this.hover,t)||{}}updateBoundingBox(e){this.shape.updateBoundingBox(this.x,this.y,e)}resize(e){let t=this.getFormattingValues();this.shape.resize(e,this.selected,this.hover,t)}getItemsOnPoint(e){let t=[];return this.labelModule.visible()&&Ti(this.labelModule.getSize(),e)&&t.push({nodeId:this.id,labelId:0}),Ti(this.shape.boundingBox,e)&&t.push({nodeId:this.id}),t}isOverlappingWith(e){return this.shape.left<e.right&&this.shape.left+this.shape.width>e.left&&this.shape.top<e.bottom&&this.shape.top+this.shape.height>e.top}isBoundingBoxOverlappingWith(e){return this.shape.boundingBox.left<e.right&&this.shape.boundingBox.right>e.left&&this.shape.boundingBox.top<e.bottom&&this.shape.boundingBox.bottom>e.top}static checkMass(e,t){if(e.mass!==void 0&&e.mass<=0){let i="";t!==void 0&&(i=" in node id: "+t),console.error("%cNegative or zero mass disallowed"+i+", setting mass to 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0,labelHighlightBold:!0,level:void 0,margin:{top:5,right:5,bottom:5,left:5},mass:1,physics:!0,scaling:{min:10,max:30,label:{enabled:!1,min:14,max:30,maxVisible:30,drawThreshold:5},customScalingFunction:function(o,r,a,d){if(r===o)return .5;{let h=1/(r-o);return Math.max(0,(d-o)*h)}}},shadow:{enabled:!1,color:"rgba(0,0,0,0.5)",size:10,x:5,y:5},shape:"ellipse",shapeProperties:{borderDashes:!1,borderRadius:6,interpolation:!0,useImageSize:!1,useBorderWithImage:!1,coordinateOrigin:"center"},size:25,title:void 0,value:void 0,x:void 0,y:void 0},this.defaultOptions.mass<=0)throw"Internal error: mass in defaultOptions of NodesHandler may not be zero or negative";this.options=we(this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("refreshNodes",this.refresh.bind(this)),this.body.emitter.on("refresh",this.refresh.bind(this)),this.body.emitter.on("destroy",()=>{M(this.nodesListeners,(e,t)=>{this.body.data.nodes&&this.body.data.nodes.off(t,e)}),delete 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Provided: ${e}`);return{x:Math.round(this.body.nodes[e].x),y:Math.round(this.body.nodes[e].y)}}storePositions(){let e=[],t=this.body.data.nodes.getDataSet();for(let i of t.get()){let s=i.id,o=this.body.nodes[s],r=Math.round(o.x),a=Math.round(o.y);(i.x!==r||i.y!==a)&&e.push({id:s,x:r,y:a})}t.update(e)}getBoundingBox(e){if(this.body.nodes[e]!==void 0)return this.body.nodes[e].shape.boundingBox}getConnectedNodes(e,t){let i=[];if(this.body.nodes[e]!==void 0){let s=this.body.nodes[e],o={};for(let r=0;r<s.edges.length;r++){let a=s.edges[r];t!=="to"&&a.toId==s.id?o[a.fromId]===void 0&&(i.push(a.fromId),o[a.fromId]=!0):t!=="from"&&a.fromId==s.id&&o[a.toId]===void 0&&(i.push(a.toId),o[a.toId]=!0)}}return i}getConnectedEdges(e){let t=[];if(this.body.nodes[e]!==void 0){let i=this.body.nodes[e];for(let s=0;s<i.edges.length;s++)t.push(i.edges[s].id)}else console.error("NodeId provided for getConnectedEdges does not exist. Provided: ",e);return t}moveNode(e,t,i){this.body.nodes[e]!==void 0?(this.body.nodes[e].x=Number(t),this.body.nodes[e].y=Number(i),setTimeout(()=>{this.body.emitter.emit("startSimulation")},0)):console.error("Node id supplied to moveNode does not exist. Provided: ",e)}},j=class{static transform(e,t){Array.isArray(e)||(e=[e]);let i=t.point.x,s=t.point.y,o=t.angle,r=t.length;for(let a=0;a<e.length;++a){let d=e[a],h=d.x*Math.cos(o)-d.y*Math.sin(o),l=d.x*Math.sin(o)+d.y*Math.cos(o);d.x=i+r*h,d.y=s+r*l}}static drawPath(e,t){e.beginPath(),e.moveTo(t[0].x,t[0].y);for(let i=1;i<t.length;++i)e.lineTo(t[i].x,t[i].y);e.closePath()}},wa=class extends j{static draw(e,t){if(t.image){e.save(),e.translate(t.point.x,t.point.y),e.rotate(Math.PI/2+t.angle);let i=t.imageWidth!=null?t.imageWidth:t.image.width,s=t.imageHeight!=null?t.imageHeight:t.image.height;t.image.drawImageAtPosition(e,1,-i/2,0,i,s),e.restore()}return!1}},Oo=class extends j{static draw(e,t){let i=[{x:0,y:0},{x:-1,y:.3},{x:-.9,y:0},{x:-1,y:-.3}];return j.transform(i,t),j.drawPath(e,i),!0}},So=class{static draw(e,t){let i=[{x:-1,y:0},{x:0,y:.3},{x:-.4,y:0},{x:0,y:-.3}];return j.transform(i,t),j.drawPath(e,i),!0}},Io=class{static draw(e,t){let i={x:-.4,y:0};j.transform(i,t),e.strokeStyle=e.fillStyle,e.fillStyle="rgba(0, 0, 0, 0)";let s=Math.PI,o=t.angle-s/2,r=t.angle+s/2;return e.beginPath(),e.arc(i.x,i.y,t.length*.4,o,r,!1),e.stroke(),!0}},Po=class{static draw(e,t){let i={x:-.3,y:0};j.transform(i,t),e.strokeStyle=e.fillStyle,e.fillStyle="rgba(0, 0, 0, 0)";let s=Math.PI,o=t.angle+s/2,r=t.angle+3*s/2;return e.beginPath(),e.arc(i.x,i.y,t.length*.4,o,r,!1),e.stroke(),!0}},Mo=class{static draw(e,t){let i=[{x:.02,y:0},{x:-1,y:.3},{x:-1,y:-.3}];return j.transform(i,t),j.drawPath(e,i),!0}},Do=class{static draw(e,t){let i=[{x:0,y:.3},{x:0,y:-.3},{x:-1,y:0}];return j.transform(i,t),j.drawPath(e,i),!0}},Fo=class{static draw(e,t){let i={x:-.4,y:0};return j.transform(i,t),wi(e,i.x,i.y,t.length*.4),!0}},No=class{static draw(e,t){let i=[{x:0,y:.5},{x:0,y:-.5},{x:-.15,y:-.5},{x:-.15,y:.5}];return j.transform(i,t),j.drawPath(e,i),!0}},Bo=class{static draw(e,t){let i=[{x:0,y:.3},{x:0,y:-.3},{x:-.6,y:-.3},{x:-.6,y:.3}];return j.transform(i,t),j.drawPath(e,i),!0}},Ao=class{static draw(e,t){let i=[{x:0,y:0},{x:-.5,y:-.3},{x:-1,y:0},{x:-.5,y:.3}];return j.transform(i,t),j.drawPath(e,i),!0}},zo=class{static draw(e,t){let i=[{x:-1,y:.3},{x:-.5,y:0},{x:-1,y:-.3},{x:0,y:0}];return j.transform(i,t),j.drawPath(e,i),!0}},Si=class{static draw(e,t){let i;switch(t.type&&(i=t.type.toLowerCase()),i){case"image":return wa.draw(e,t);case"circle":return Fo.draw(e,t);case"box":return Bo.draw(e,t);case"crow":return So.draw(e,t);case"curve":return Io.draw(e,t);case"diamond":return Ao.draw(e,t);case"inv_curve":return Po.draw(e,t);case"triangle":return Mo.draw(e,t);case"inv_triangle":return Do.draw(e,t);case"bar":return No.draw(e,t);case"vee":return zo.draw(e,t);case"arrow":default:return Oo.draw(e,t)}}},Ii=class{constructor(e,t,i){this._body=t,this._labelModule=i,this.color={},this.colorDirty=!0,this.hoverWidth=1.5,this.selectionWidth=2,this.setOptions(e),this.fromPoint=this.from,this.toPoint=this.to}connect(){this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to]}cleanup(){return!1}setOptions(e){this.options=e,this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.id=this.options.id}drawLine(e,t,i,s,o=this.getViaNode()){e.strokeStyle=this.getColor(e,t),e.lineWidth=t.width,t.dashes!==!1?this._drawDashedLine(e,t,o):this._drawLine(e,t,o)}_drawLine(e,t,i,s,o){if(this.from!=this.to)this._line(e,t,i,s,o);else{let[r,a,d]=this._getCircleData(e);this._circle(e,t,r,a,d)}}_drawDashedLine(e,t,i,s,o){e.lineCap="round";let r=Array.isArray(t.dashes)?t.dashes:[5,5];if(e.setLineDash!==void 0){if(e.save(),e.setLineDash(r),e.lineDashOffset=0,this.from!=this.to)this._line(e,t,i);else{let[a,d,h]=this._getCircleData(e);this._circle(e,t,a,d,h)}e.setLineDash([0]),e.lineDashOffset=0,e.restore()}else{if(this.from!=this.to)Zs(e,this.from.x,this.from.y,this.to.x,this.to.y,r);else{let[a,d,h]=this._getCircleData(e);this._circle(e,t,a,d,h)}this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}}findBorderPosition(e,t,i){return this.from!=this.to?this._findBorderPosition(e,t,i):this._findBorderPositionCircle(e,t,i)}findBorderPositions(e){if(this.from!=this.to)return{from:this._findBorderPosition(this.from,e),to:this._findBorderPosition(this.to,e)};{let[t,i]=this._getCircleData(e).slice(0,2);return{from:this._findBorderPositionCircle(this.from,e,{x:t,y:i,low:.25,high:.6,direction:-1}),to:this._findBorderPositionCircle(this.from,e,{x:t,y:i,low:.6,high:.8,direction:1})}}}_getCircleData(e){let t=this.options.selfReference.size;e!==void 0&&this.from.shape.width===void 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e===!0?Math.max(this.selectionWidth,.3/this._body.view.scale):t===!0?Math.max(this.hoverWidth,.3/this._body.view.scale):Math.max(this.options.width,.3/this._body.view.scale)}getColor(e,t){if(t.inheritsColor!==!1){if(t.inheritsColor==="both"&&this.from.id!==this.to.id){let i=e.createLinearGradient(this.from.x,this.from.y,this.to.x,this.to.y),s=this.from.options.color.highlight.border,o=this.to.options.color.highlight.border;return this.from.selected===!1&&this.to.selected===!1?(s=se(this.from.options.color.border,t.opacity),o=se(this.to.options.color.border,t.opacity)):this.from.selected===!0&&this.to.selected===!1?o=this.to.options.color.border:this.from.selected===!1&&this.to.selected===!0&&(s=this.from.options.color.border),i.addColorStop(0,s),i.addColorStop(1,o),i}return t.inheritsColor==="to"?se(this.to.options.color.border,t.opacity):se(this.from.options.color.border,t.opacity)}else return se(t.color,t.opacity)}_circle(e,t,i,s,o){this.enableShadow(e,t);let r=0,a=Math.PI*2;if(!this.options.selfReference.renderBehindTheNode){let d=this.options.selfReference.angle,h=this.options.selfReference.angle+Math.PI,l=this._findBorderPositionCircle(this.from,e,{x:i,y:s,low:d,high:h,direction:-1}),c=this._findBorderPositionCircle(this.from,e,{x:i,y:s,low:d,high:h,direction:1});r=Math.atan2(l.y-s,l.x-i),a=Math.atan2(c.y-s,c.x-i)}e.beginPath(),e.arc(i,s,o,r,a,!1),e.stroke(),this.disableShadow(e,t)}getDistanceToEdge(e,t,i,s,o,r){if(this.from!=this.to)return this._getDistanceToEdge(e,t,i,s,o,r);{let[a,d,h]=this._getCircleData(void 0),l=a-o,c=d-r;return Math.abs(Math.sqrt(l*l+c*c)-h)}}_getDistanceToLine(e,t,i,s,o,r){let a=i-e,d=s-t,h=a*a+d*d,l=((o-e)*a+(r-t)*d)/h;l>1?l=1:l<0&&(l=0);let c=e+l*a,u=t+l*d,f=c-o,m=u-r;return Math.sqrt(f*f+m*m)}getArrowData(e,t,i,s,o,r){let a,d,h,l,c,u,f,m=r.width;t==="from"?(h=this.from,l=this.to,c=r.fromArrowScale<0,u=Math.abs(r.fromArrowScale),f=r.fromArrowType):t==="to"?(h=this.to,l=this.from,c=r.toArrowScale<0,u=Math.abs(r.toArrowScale),f=r.toArrowType):(h=this.to,l=this.from,c=r.middleArrowScale<0,u=Math.abs(r.middleArrowScale),f=r.middleArrowType);let v=15*u+3*m;if(h!=l){let T=Math.hypot(h.x-l.x,h.y-l.y),y=v/T;if(t!=="middle")if(this.options.smooth.enabled===!0){let _=this._findBorderPosition(h,e,{via:i}),C=this.getPoint(_.t+y*(t==="from"?1:-1),i);a=Math.atan2(_.y-C.y,_.x-C.x),d=_}else a=Math.atan2(h.y-l.y,h.x-l.x),d=this._findBorderPosition(h,e);else{let _=(c?-y:y)/2,C=this.getPoint(.5+_,i),P=this.getPoint(.5-_,i);a=Math.atan2(C.y-P.y,C.x-P.x),d=this.getPoint(.5,i)}}else{let[T,y,_]=this._getCircleData(e);if(t==="from"){let C=this.options.selfReference.angle,P=this.options.selfReference.angle+Math.PI,I=this._findBorderPositionCircle(this.from,e,{x:T,y,low:C,high:P,direction:-1});a=I.t*-2*Math.PI+1.5*Math.PI+.1*Math.PI,d=I}else if(t==="to"){let C=this.options.selfReference.angle,P=this.options.selfReference.angle+Math.PI,I=this._findBorderPositionCircle(this.from,e,{x:T,y,low:C,high:P,direction:1});a=I.t*-2*Math.PI+1.5*Math.PI-1.1*Math.PI,d=I}else{let C=this.options.selfReference.angle/(2*Math.PI);d=this._pointOnCircle(T,y,_,C),a=C*-2*Math.PI+1.5*Math.PI+.1*Math.PI}}let p=d.x-v*.9*Math.cos(a),b=d.y-v*.9*Math.sin(a);return{point:d,core:{x:p,y:b},angle:a,length:v,type:f}}drawArrowHead(e,t,i,s,o){e.strokeStyle=this.getColor(e,t),e.fillStyle=e.strokeStyle,e.lineWidth=t.width,Si.draw(e,o)&&(this.enableShadow(e,t),e.fill(),this.disableShadow(e,t))}enableShadow(e,t){t.shadow===!0&&(e.shadowColor=t.shadowColor,e.shadowBlur=t.shadowSize,e.shadowOffsetX=t.shadowX,e.shadowOffsetY=t.shadowY)}disableShadow(e,t){t.shadow===!0&&(e.shadowColor="rgba(0,0,0,0)",e.shadowBlur=0,e.shadowOffsetX=0,e.shadowOffsetY=0)}drawBackground(e,t){if(t.background!==!1){let i={strokeStyle:e.strokeStyle,lineWidth:e.lineWidth,dashes:e.dashes};e.strokeStyle=t.backgroundColor,e.lineWidth=t.backgroundSize,this.setStrokeDashed(e,t.backgroundDashes),e.stroke(),e.strokeStyle=i.strokeStyle,e.lineWidth=i.lineWidth,e.dashes=i.dashes,this.setStrokeDashed(e,t.dashes)}}setStrokeDashed(e,t){if(t!==!1)if(e.setLineDash!==void 0){let i=Array.isArray(t)?t:[5,5];e.setLineDash(i)}else console.warn("setLineDash is not supported in this browser. The dashed stroke cannot be used.");else e.setLineDash!==void 0?e.setLineDash([]):console.warn("setLineDash is not supported in this browser. The dashed stroke cannot be used.")}},Xt=class extends Ii{constructor(e,t,i){super(e,t,i)}_findBorderPositionBezier(e,t,i=this._getViaCoordinates()){let s=10,o=.2,r=!1,a=1,d=0,h=this.to,l,c,u=this.options.endPointOffset?this.options.endPointOffset.to:0;e.id===this.from.id&&(h=this.from,r=!0,u=this.options.endPointOffset?this.options.endPointOffset.from:0),this.options.arrowStrikethrough===!1&&(u=0);let f=0;do{c=(d+a)*.5,l=this.getPoint(c,i);let m=Math.atan2(h.y-l.y,h.x-l.x),v=h.distanceToBorder(t,m)+u,p=Math.sqrt(Math.pow(l.x-h.x,2)+Math.pow(l.y-h.y,2)),b=v-p;if(Math.abs(b)<o)break;b<0?r===!1?d=c:a=c:r===!1?a=c:d=c,++f}while(d<=a&&f<s);return Be(le({},l),{t:c})}_getDistanceToBezierEdge(e,t,i,s,o,r,a){let d=1e9,h,l,c,u,f,m=e,v=t;for(l=1;l<10;l++)c=.1*l,u=Math.pow(1-c,2)*e+2*c*(1-c)*a.x+Math.pow(c,2)*i,f=Math.pow(1-c,2)*t+2*c*(1-c)*a.y+Math.pow(c,2)*s,l>0&&(h=this._getDistanceToLine(m,v,u,f,o,r),d=h<d?h:d),m=u,v=f;return d}_bezierCurve(e,t,i,s){e.beginPath(),e.moveTo(this.fromPoint.x,this.fromPoint.y),i!=null&&i.x!=null?s!=null&&s.x!=null?e.bezierCurveTo(i.x,i.y,s.x,s.y,this.toPoint.x,this.toPoint.y):e.quadraticCurveTo(i.x,i.y,this.toPoint.x,this.toPoint.y):e.lineTo(this.toPoint.x,this.toPoint.y),this.drawBackground(e,t),this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}getViaNode(){return this._getViaCoordinates()}},Pi=class extends Xt{constructor(e,t,i){super(e,t,i);this.via=this.via,this._boundFunction=()=>{this.positionBezierNode()},this._body.emitter.on("_repositionBezierNodes",this._boundFunction)}setOptions(e){super.setOptions(e);let t=!1;this.options.physics!==e.physics&&(t=!0),this.options=e,this.id=this.options.id,this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.setupSupportNode(),this.connect(),t===!0&&(this.via.setOptions({physics:this.options.physics}),this.positionBezierNode())}connect(){this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.from===void 0||this.to===void 0||this.options.physics===!1?this.via.setOptions({physics:!1}):this.from.id===this.to.id?this.via.setOptions({physics:!1}):this.via.setOptions({physics:!0})}cleanup(){return this._body.emitter.off("_repositionBezierNodes",this._boundFunction),this.via!==void 0?(delete this._body.nodes[this.via.id],this.via=void 0,!0):!1}setupSupportNode(){if(this.via===void 0){let e="edgeId:"+this.id,t=this._body.functions.createNode({id:e,shape:"circle",physics:!0,hidden:!0});this._body.nodes[e]=t,this.via=t,this.via.parentEdgeId=this.id,this.positionBezierNode()}}positionBezierNode(){this.via!==void 0&&this.from!==void 0&&this.to!==void 0?(this.via.x=.5*(this.from.x+this.to.x),this.via.y=.5*(this.from.y+this.to.y)):this.via!==void 0&&(this.via.x=0,this.via.y=0)}_line(e,t,i){this._bezierCurve(e,t,i)}_getViaCoordinates(){return this.via}getViaNode(){return this.via}getPoint(e,t=this.via){if(this.from===this.to){let[i,s,o]=this._getCircleData(),r=2*Math.PI*(1-e);return{x:i+o*Math.sin(r),y:s+o-o*(1-Math.cos(r))}}else return{x:Math.pow(1-e,2)*this.fromPoint.x+2*e*(1-e)*t.x+Math.pow(e,2)*this.toPoint.x,y:Math.pow(1-e,2)*this.fromPoint.y+2*e*(1-e)*t.y+Math.pow(e,2)*this.toPoint.y}}_findBorderPosition(e,t){return this._findBorderPositionBezier(e,t,this.via)}_getDistanceToEdge(e,t,i,s,o,r){return this._getDistanceToBezierEdge(e,t,i,s,o,r,this.via)}},Mi=class extends Xt{constructor(e,t,i){super(e,t,i)}_line(e,t,i){this._bezierCurve(e,t,i)}getViaNode(){return this._getViaCoordinates()}_getViaCoordinates(){let e=this.options.smooth.roundness,t=this.options.smooth.type,i=Math.abs(this.from.x-this.to.x),s=Math.abs(this.from.y-this.to.y);if(t==="discrete"||t==="diagonalCross"){let o,r;i<=s?o=r=e*s:o=r=e*i,this.from.x>this.to.x&&(o=-o),this.from.y>=this.to.y&&(r=-r);let a=this.from.x+o,d=this.from.y+r;return t==="discrete"&&(i<=s?a=i<e*s?this.from.x:a:d=s<e*i?this.from.y:d),{x:a,y:d}}else if(t==="straightCross"){let o=(1-e)*i,r=(1-e)*s;return i<=s?(o=0,this.from.y<this.to.y&&(r=-r)):(this.from.x<this.to.x&&(o=-o),r=0),{x:this.to.x+o,y:this.to.y+r}}else if(t==="horizontal"){let o=(1-e)*i;return this.from.x<this.to.x&&(o=-o),{x:this.to.x+o,y:this.from.y}}else if(t==="vertical"){let o=(1-e)*s;return this.from.y<this.to.y&&(o=-o),{x:this.from.x,y:this.to.y+o}}else if(t==="curvedCW"){i=this.to.x-this.from.x,s=this.from.y-this.to.y;let o=Math.sqrt(i*i+s*s),r=Math.PI,d=(Math.atan2(s,i)+(e*.5+.5)*r)%(2*r);return{x:this.from.x+(e*.5+.5)*o*Math.sin(d),y:this.from.y+(e*.5+.5)*o*Math.cos(d)}}else if(t==="curvedCCW"){i=this.to.x-this.from.x,s=this.from.y-this.to.y;let o=Math.sqrt(i*i+s*s),r=Math.PI,d=(Math.atan2(s,i)+(-e*.5+.5)*r)%(2*r);return{x:this.from.x+(e*.5+.5)*o*Math.sin(d),y:this.from.y+(e*.5+.5)*o*Math.cos(d)}}else{let o,r;i<=s?o=r=e*s:o=r=e*i,this.from.x>this.to.x&&(o=-o),this.from.y>=this.to.y&&(r=-r);let a=this.from.x+o,d=this.from.y+r;return i<=s?this.from.x<=this.to.x?a=this.to.x<a?this.to.x:a:a=this.to.x>a?this.to.x:a:this.from.y>=this.to.y?d=this.to.y>d?this.to.y:d:d=this.to.y<d?this.to.y:d,{x:a,y:d}}}_findBorderPosition(e,t,i={}){return this._findBorderPositionBezier(e,t,i.via)}_getDistanceToEdge(e,t,i,s,o,r,a=this._getViaCoordinates()){return this._getDistanceToBezierEdge(e,t,i,s,o,r,a)}getPoint(e,t=this._getViaCoordinates()){let i=e,s=Math.pow(1-i,2)*this.fromPoint.x+2*i*(1-i)*t.x+Math.pow(i,2)*this.toPoint.x,o=Math.pow(1-i,2)*this.fromPoint.y+2*i*(1-i)*t.y+Math.pow(i,2)*this.toPoint.y;return{x:s,y:o}}},Ro=class extends Xt{constructor(e,t,i){super(e,t,i)}_getDistanceToBezierEdge2(e,t,i,s,o,r,a,d){let h=1e9,l=e,c=t,u=[0,0,0,0];for(let f=1;f<10;f++){let m=.1*f;u[0]=Math.pow(1-m,3),u[1]=3*m*Math.pow(1-m,2),u[2]=3*Math.pow(m,2)*(1-m),u[3]=Math.pow(m,3);let v=u[0]*e+u[1]*a.x+u[2]*d.x+u[3]*i,p=u[0]*t+u[1]*a.y+u[2]*d.y+u[3]*s;if(f>0){let b=this._getDistanceToLine(l,c,v,p,o,r);h=b<h?b:h}l=v,c=p}return h}},Di=class extends Ro{constructor(e,t,i){super(e,t,i)}_line(e,t,i){let s=i[0],o=i[1];this._bezierCurve(e,t,s,o)}_getViaCoordinates(){let e=this.from.x-this.to.x,t=this.from.y-this.to.y,i,s,o,r,a=this.options.smooth.roundness;return(Math.abs(e)>Math.abs(t)||this.options.smooth.forceDirection===!0||this.options.smooth.forceDirection==="horizontal")&&this.options.smooth.forceDirection!=="vertical"?(s=this.from.y,r=this.to.y,i=this.from.x-a*e,o=this.to.x+a*e):(s=this.from.y-a*t,r=this.to.y+a*t,i=this.from.x,o=this.to.x),[{x:i,y:s},{x:o,y:r}]}getViaNode(){return this._getViaCoordinates()}_findBorderPosition(e,t){return this._findBorderPositionBezier(e,t)}_getDistanceToEdge(e,t,i,s,o,r,[a,d]=this._getViaCoordinates()){return this._getDistanceToBezierEdge2(e,t,i,s,o,r,a,d)}getPoint(e,[t,i]=this._getViaCoordinates()){let s=e,o=[Math.pow(1-s,3),3*s*Math.pow(1-s,2),3*Math.pow(s,2)*(1-s),Math.pow(s,3)],r=o[0]*this.fromPoint.x+o[1]*t.x+o[2]*i.x+o[3]*this.toPoint.x,a=o[0]*this.fromPoint.y+o[1]*t.y+o[2]*i.y+o[3]*this.toPoint.y;return{x:r,y:a}}},Fi=class extends Ii{constructor(e,t,i){super(e,t,i)}_line(e,t){e.beginPath(),e.moveTo(this.fromPoint.x,this.fromPoint.y),e.lineTo(this.toPoint.x,this.toPoint.y),this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}getViaNode(){}getPoint(e){return{x:(1-e)*this.fromPoint.x+e*this.toPoint.x,y:(1-e)*this.fromPoint.y+e*this.toPoint.y}}_findBorderPosition(e,t){let i=this.to,s=this.from;e.id===this.from.id&&(i=this.from,s=this.to);let o=Math.atan2(i.y-s.y,i.x-s.x),r=i.x-s.x,a=i.y-s.y,d=Math.sqrt(r*r+a*a),h=e.distanceToBorder(t,o),l=(d-h)/d;return{x:(1-l)*s.x+l*i.x,y:(1-l)*s.y+l*i.y,t:0}}_getDistanceToEdge(e,t,i,s,o,r){return this._getDistanceToLine(e,t,i,s,o,r)}},Te=class{constructor(e,t,i,s,o){if(t===void 0)throw new Error("No body provided");this.options=we(s),this.globalOptions=s,this.defaultOptions=o,this.body=t,this.imagelist=i,this.id=void 0,this.fromId=void 0,this.toId=void 0,this.selected=!1,this.hover=!1,this.labelDirty=!0,this.baseWidth=this.options.width,this.baseFontSize=this.options.font.size,this.from=void 0,this.to=void 0,this.edgeType=void 0,this.connected=!1,this.labelModule=new Ue(this.body,this.options,!0),this.setOptions(e)}setOptions(e){if(!e)return;let t=typeof e.physics!="undefined"&&this.options.physics!==e.physics||typeof e.hidden!="undefined"&&(this.options.hidden||!1)!==(e.hidden||!1)||typeof e.from!="undefined"&&this.options.from!==e.from||typeof e.to!="undefined"&&this.options.to!==e.to;Te.parseOptions(this.options,e,!0,this.globalOptions),e.id!==void 0&&(this.id=e.id),e.from!==void 0&&(this.fromId=e.from),e.to!==void 0&&(this.toId=e.to),e.title!==void 0&&(this.title=e.title),e.value!==void 0&&(e.value=parseFloat(e.value));let i=[e,this.options,this.defaultOptions];return this.chooser=Ci("edge",i),this.updateLabelModule(e),t=this.updateEdgeType()||t,this._setInteractionWidths(),this.connect(),t}static parseOptions(e,t,i=!1,s={},o=!1){if(qe(["endPointOffset","arrowStrikethrough","id","from","hidden","hoverWidth","labelHighlightBold","length","line","opacity","physics","scaling","selectionWidth","selfReferenceSize","selfReference","to","title","value","width","font","chosen","widthConstraint"],e,t,i),t.endPointOffset!==void 0&&t.endPointOffset.from!==void 0&&(Number.isFinite(t.endPointOffset.from)?e.endPointOffset.from=t.endPointOffset.from:(e.endPointOffset.from=s.endPointOffset.from!==void 0?s.endPointOffset.from:0,console.error("endPointOffset.from is not a valid number"))),t.endPointOffset!==void 0&&t.endPointOffset.to!==void 0&&(Number.isFinite(t.endPointOffset.to)?e.endPointOffset.to=t.endPointOffset.to:(e.endPointOffset.to=s.endPointOffset.to!==void 0?s.endPointOffset.to:0,console.error("endPointOffset.to is not a valid number"))),qt(t.label)?e.label=t.label:qt(e.label)||(e.label=void 0),oe(e,t,"smooth",s),oe(e,t,"shadow",s),oe(e,t,"background",s),t.dashes!==void 0&&t.dashes!==null?e.dashes=t.dashes:i===!0&&t.dashes===null&&(e.dashes=Object.create(s.dashes)),t.scaling!==void 0&&t.scaling!==null?(t.scaling.min!==void 0&&(e.scaling.min=t.scaling.min),t.scaling.max!==void 0&&(e.scaling.max=t.scaling.max),oe(e.scaling,t.scaling,"label",s.scaling)):i===!0&&t.scaling===null&&(e.scaling=Object.create(s.scaling)),t.arrows!==void 0&&t.arrows!==null)if(typeof t.arrows=="string"){let a=t.arrows.toLowerCase();e.arrows.to.enabled=a.indexOf("to")!=-1,e.arrows.middle.enabled=a.indexOf("middle")!=-1,e.arrows.from.enabled=a.indexOf("from")!=-1}else if(typeof t.arrows=="object")oe(e.arrows,t.arrows,"to",s.arrows),oe(e.arrows,t.arrows,"middle",s.arrows),oe(e.arrows,t.arrows,"from",s.arrows);else throw new Error("The arrow newOptions can only be an object or a string. Refer to the documentation. You used:"+JSON.stringify(t.arrows));else i===!0&&t.arrows===null&&(e.arrows=Object.create(s.arrows));if(t.color!==void 0&&t.color!==null){let a=ve(t.color)?{color:t.color,highlight:t.color,hover:t.color,inherit:!1,opacity:1}:t.color,d=e.color;if(o)B(d,s.color,!1,i);else for(let h in d)Object.prototype.hasOwnProperty.call(d,h)&&delete d[h];if(ve(d))d.color=d,d.highlight=d,d.hover=d,d.inherit=!1,a.opacity===void 0&&(d.opacity=1);else{let h=!1;a.color!==void 0&&(d.color=a.color,h=!0),a.highlight!==void 0&&(d.highlight=a.highlight,h=!0),a.hover!==void 0&&(d.hover=a.hover,h=!0),a.inherit!==void 0&&(d.inherit=a.inherit),a.opacity!==void 0&&(d.opacity=Math.min(1,Math.max(0,a.opacity))),h===!0?d.inherit=!1:d.inherit===void 0&&(d.inherit="from")}}else i===!0&&t.color===null&&(e.color=we(s.color));i===!0&&t.font===null&&(e.font=we(s.font)),Object.prototype.hasOwnProperty.call(t,"selfReferenceSize")&&(console.warn("The selfReferenceSize property has been deprecated. Please use selfReference property instead. The selfReference can be set like thise selfReference:{size:30, angle:Math.PI / 4}"),e.selfReference.size=t.selfReferenceSize)}getFormattingValues(){let e=this.options.arrows.to===!0||this.options.arrows.to.enabled===!0,t=this.options.arrows.from===!0||this.options.arrows.from.enabled===!0,i=this.options.arrows.middle===!0||this.options.arrows.middle.enabled===!0,s=this.options.color.inherit,o={toArrow:e,toArrowScale:this.options.arrows.to.scaleFactor,toArrowType:this.options.arrows.to.type,toArrowSrc:this.options.arrows.to.src,toArrowImageWidth:this.options.arrows.to.imageWidth,toArrowImageHeight:this.options.arrows.to.imageHeight,middleArrow:i,middleArrowScale:this.options.arrows.middle.scaleFactor,middleArrowType:this.options.arrows.middle.type,middleArrowSrc:this.options.arrows.middle.src,middleArrowImageWidth:this.options.arrows.middle.imageWidth,middleArrowImageHeight:this.options.arrows.middle.imageHeight,fromArrow:t,fromArrowScale:this.options.arrows.from.scaleFactor,fromArrowType:this.options.arrows.from.type,fromArrowSrc:this.options.arrows.from.src,fromArrowImageWidth:this.options.arrows.from.imageWidth,fromArrowImageHeight:this.options.arrows.from.imageHeight,arrowStrikethrough:this.options.arrowStrikethrough,color:s?void 0:this.options.color.color,inheritsColor:s,opacity:this.options.color.opacity,hidden:this.options.hidden,length:this.options.length,shadow:this.options.shadow.enabled,shadowColor:this.options.shadow.color,shadowSize:this.options.shadow.size,shadowX:this.options.shadow.x,shadowY:this.options.shadow.y,dashes:this.options.dashes,width:this.options.width,background:this.options.background.enabled,backgroundColor:this.options.background.color,backgroundSize:this.options.background.size,backgroundDashes:this.options.background.dashes};if(this.selected||this.hover)if(this.chooser===!0){if(this.selected){let r=this.options.selectionWidth;typeof r=="function"?o.width=r(o.width):typeof r=="number"&&(o.width+=r),o.width=Math.max(o.width,.3/this.body.view.scale),o.color=this.options.color.highlight,o.shadow=this.options.shadow.enabled}else if(this.hover){let r=this.options.hoverWidth;typeof r=="function"?o.width=r(o.width):typeof 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0||e.physics!==void 0||t===!0)&&this.body.emitter.emit("_dataChanged")}}setData(e,t=!1){let i=this.body.data.edges;if(vi("id",e))this.body.data.edges=e;else if(Array.isArray(e))this.body.data.edges=new xe,this.body.data.edges.add(e);else if(!e)this.body.data.edges=new xe;else throw new TypeError("Array or DataSet expected");if(i&&M(this.edgesListeners,(s,o)=>{i.off(o,s)}),this.body.edges={},this.body.data.edges){M(this.edgesListeners,(o,r)=>{this.body.data.edges.on(r,o)});let s=this.body.data.edges.getIds();this.add(s,!0)}this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),t===!1&&this.body.emitter.emit("_dataChanged")}add(e,t=!1){let i=this.body.edges,s=this.body.data.edges;for(let o=0;o<e.length;o++){let r=e[o],a=i[r];a&&a.disconnect();let d=s.get(r,{showInternalIds:!0});i[r]=this.create(d)}this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),t===!1&&this.body.emitter.emit("_dataChanged")}update(e){let t=this.body.edges,i=this.body.data.edges,s=!1;for(let o=0;o<e.length;o++){let r=e[o],a=i.get(r),d=t[r];d!==void 0?(d.disconnect(),s=d.setOptions(a)||s,d.connect()):(this.body.edges[r]=this.create(a),s=!0)}s===!0?(this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),this.body.emitter.emit("_dataChanged")):this.body.emitter.emit("_dataUpdated")}remove(e,t=!0){if(e.length===0)return;let i=this.body.edges;M(e,s=>{let o=i[s];o!==void 0&&o.remove()}),t&&this.body.emitter.emit("_dataChanged")}refresh(){M(this.body.edges,(e,t)=>{let i=this.body.data.edges.get(t);i!==void 0&&e.setOptions(i)})}create(e){return new Te(e,this.body,this.images,this.options,this.defaultOptions)}reconnectEdges(){let e,t=this.body.nodes,i=this.body.edges;for(e in t)Object.prototype.hasOwnProperty.call(t,e)&&(t[e].edges=[]);for(e in i)if(Object.prototype.hasOwnProperty.call(i,e)){let s=i[e];s.from=null,s.to=null,s.connect()}}getConnectedNodes(e){let t=[];if(this.body.edges[e]!==void 0){let i=this.body.edges[e];i.fromId!==void 0&&t.push(i.fromId),i.toId!==void 0&&t.push(i.toId)}return t}_updateState(){this._addMissingEdges(),this._removeInvalidEdges()}_removeInvalidEdges(){let e=[];M(this.body.edges,(t,i)=>{let s=this.body.nodes[t.toId],o=this.body.nodes[t.fromId];s!==void 0&&s.isCluster===!0||o!==void 0&&o.isCluster===!0||(s===void 0||o===void 0)&&e.push(i)}),this.remove(e,!1)}_addMissingEdges(){let e=this.body.data.edges;if(e==null)return;let t=this.body.edges,i=[];e.forEach((s,o)=>{t[o]===void 0&&i.push(o)}),this.add(i,!0)}},Ni=class{constructor(e,t,i){this.body=e,this.physicsBody=t,this.barnesHutTree,this.setOptions(i),this._rng=yt("BARNES HUT SOLVER")}setOptions(e){this.options=e,this.thetaInversed=1/this.options.theta,this.overlapAvoidanceFactor=1-Math.max(0,Math.min(1,this.options.avoidOverlap))}solve(){if(this.options.gravitationalConstant!==0&&this.physicsBody.physicsNodeIndices.length>0){let e,t=this.body.nodes,i=this.physicsBody.physicsNodeIndices,s=i.length,o=this._formBarnesHutTree(t,i);this.barnesHutTree=o;for(let r=0;r<s;r++)e=t[i[r]],e.options.mass>0&&this._getForceContributions(o.root,e)}}_getForceContributions(e,t){this._getForceContribution(e.children.NW,t),this._getForceContribution(e.children.NE,t),this._getForceContribution(e.children.SW,t),this._getForceContribution(e.children.SE,t)}_getForceContribution(e,t){if(e.childrenCount>0){let i=e.centerOfMass.x-t.x,s=e.centerOfMass.y-t.y,o=Math.sqrt(i*i+s*s);o*e.calcSize>this.thetaInversed?this._calculateForces(o,i,s,t,e):e.childrenCount===4?this._getForceContributions(e,t):e.children.data.id!=t.id&&this._calculateForces(o,i,s,t,e)}}_calculateForces(e,t,i,s,o){e===0&&(e=.1,t=e),this.overlapAvoidanceFactor<1&&s.shape.radius&&(e=Math.max(.1+this.overlapAvoidanceFactor*s.shape.radius,e-s.shape.radius));let r=this.options.gravitationalConstant*o.mass*s.options.mass/Math.pow(e,3),a=t*r,d=i*r;this.physicsBody.forces[s.id].x+=a,this.physicsBody.forces[s.id].y+=d}_formBarnesHutTree(e,t){let i,s=t.length,o=e[t[0]].x,r=e[t[0]].y,a=e[t[0]].x,d=e[t[0]].y;for(let p=1;p<s;p++){let b=e[t[p]],x=b.x,T=b.y;b.options.mass>0&&(x<o&&(o=x),x>a&&(a=x),T<r&&(r=T),T>d&&(d=T))}let h=Math.abs(a-o)-Math.abs(d-r);h>0?(r-=.5*h,d+=.5*h):(o+=.5*h,a-=.5*h);let c=Math.max(1e-5,Math.abs(a-o)),u=.5*c,f=.5*(o+a),m=.5*(r+d),v={root:{centerOfMass:{x:0,y:0},mass:0,range:{minX:f-u,maxX:f+u,minY:m-u,maxY:m+u},size:c,calcSize:1/c,children:{data:null},maxWidth:0,level:0,childrenCount:4}};this._splitBranch(v.root);for(let p=0;p<s;p++)i=e[t[p]],i.options.mass>0&&this._placeInTree(v.root,i);return v}_updateBranchMass(e,t){let i=e.centerOfMass,s=e.mass+t.options.mass,o=1/s;i.x=i.x*e.mass+t.x*t.options.mass,i.x*=o,i.y=i.y*e.mass+t.y*t.options.mass,i.y*=o,e.mass=s;let r=Math.max(Math.max(t.height,t.radius),t.width);e.maxWidth=e.maxWidth<r?r:e.maxWidth}_placeInTree(e,t,i){(i!=!0||i===void 0)&&this._updateBranchMass(e,t);let s=e.children.NW.range,o;s.maxX>t.x?s.maxY>t.y?o="NW":o="SW":s.maxY>t.y?o="NE":o="SE",this._placeInRegion(e,t,o)}_placeInRegion(e,t,i){let s=e.children[i];switch(s.childrenCount){case 0:s.children.data=t,s.childrenCount=1,this._updateBranchMass(s,t);break;case 1:s.children.data.x===t.x&&s.children.data.y===t.y?(t.x+=this._rng(),t.y+=this._rng()):(this._splitBranch(s),this._placeInTree(s,t));break;case 4:this._placeInTree(s,t);break}}_splitBranch(e){let t=null;e.childrenCount===1&&(t=e.children.data,e.mass=0,e.centerOfMass.x=0,e.centerOfMass.y=0),e.childrenCount=4,e.children.data=null,this._insertRegion(e,"NW"),this._insertRegion(e,"NE"),this._insertRegion(e,"SW"),this._insertRegion(e,"SE"),t!=null&&this._placeInTree(e,t)}_insertRegion(e,t){let i,s,o,r,a=.5*e.size;switch(t){case"NW":i=e.range.minX,s=e.range.minX+a,o=e.range.minY,r=e.range.minY+a;break;case"NE":i=e.range.minX+a,s=e.range.maxX,o=e.range.minY,r=e.range.minY+a;break;case"SW":i=e.range.minX,s=e.range.minX+a,o=e.range.minY+a,r=e.range.maxY;break;case"SE":i=e.range.minX+a,s=e.range.maxX,o=e.range.minY+a,r=e.range.maxY;break}e.children[t]={centerOfMass:{x:0,y:0},mass:0,range:{minX:i,maxX:s,minY:o,maxY:r},size:.5*e.size,calcSize:2*e.calcSize,children:{data:null},maxWidth:0,level:e.level+1,childrenCount:0}}_debug(e,t){this.barnesHutTree!==void 0&&(e.lineWidth=1,this._drawBranch(this.barnesHutTree.root,e,t))}_drawBranch(e,t,i){i===void 0&&(i="#FF0000"),e.childrenCount===4&&(this._drawBranch(e.children.NW,t),this._drawBranch(e.children.NE,t),this._drawBranch(e.children.SE,t),this._drawBranch(e.children.SW,t)),t.strokeStyle=i,t.beginPath(),t.moveTo(e.range.minX,e.range.minY),t.lineTo(e.range.maxX,e.range.minY),t.stroke(),t.beginPath(),t.moveTo(e.range.maxX,e.range.minY),t.lineTo(e.range.maxX,e.range.maxY),t.stroke(),t.beginPath(),t.moveTo(e.range.maxX,e.range.maxY),t.lineTo(e.range.minX,e.range.maxY),t.stroke(),t.beginPath(),t.moveTo(e.range.minX,e.range.maxY),t.lineTo(e.range.minX,e.range.minY),t.stroke()}},Ho=class{constructor(e,t,i){this._rng=yt("REPULSION SOLVER"),this.body=e,this.physicsBody=t,this.setOptions(i)}setOptions(e){this.options=e}solve(){let e,t,i,s,o,r,a,d,h=this.body.nodes,l=this.physicsBody.physicsNodeIndices,c=this.physicsBody.forces,u=this.options.nodeDistance,f=-2/3/u,m=4/3;for(let v=0;v<l.length-1;v++){a=h[l[v]];for(let p=v+1;p<l.length;p++)d=h[l[p]],e=d.x-a.x,t=d.y-a.y,i=Math.sqrt(e*e+t*t),i===0&&(i=.1*this._rng(),e=i),i<2*u&&(i<.5*u?r=1:r=f*i+m,r=r/i,s=e*r,o=t*r,c[a.id].x-=s,c[a.id].y-=o,c[d.id].x+=s,c[d.id].y+=o)}}},jo=class{constructor(e,t,i){this.body=e,this.physicsBody=t,this.setOptions(i)}setOptions(e){this.options=e,this.overlapAvoidanceFactor=Math.max(0,Math.min(1,this.options.avoidOverlap||0))}solve(){let e=this.body.nodes,t=this.physicsBody.physicsNodeIndices,i=this.physicsBody.forces,s=this.options.nodeDistance;for(let o=0;o<t.length-1;o++){let r=e[t[o]];for(let a=o+1;a<t.length;a++){let d=e[t[a]];if(r.level===d.level){let h=s+this.overlapAvoidanceFactor*((r.shape.radius||0)/2+(d.shape.radius||0)/2),l=d.x-r.x,c=d.y-r.y,u=Math.sqrt(l*l+c*c),f=.05,m;u<h?m=-Math.pow(f*u,2)+Math.pow(f*h,2):m=0,u!==0&&(m=m/u);let v=l*m,p=c*m;i[r.id].x-=v,i[r.id].y-=p,i[d.id].x+=v,i[d.id].y+=p}}}}},Gt=class{constructor(e,t,i){this.body=e,this.physicsBody=t,this.setOptions(i)}setOptions(e){this.options=e}solve(){let e,t,i=this.physicsBody.physicsEdgeIndices,s=this.body.edges,o,r,a;for(let d=0;d<i.length;d++)t=s[i[d]],t.connected===!0&&t.toId!==t.fromId&&this.body.nodes[t.toId]!==void 0&&this.body.nodes[t.fromId]!==void 0&&(t.edgeType.via!==void 0?(e=t.options.length===void 0?this.options.springLength:t.options.length,o=t.to,r=t.edgeType.via,a=t.from,this._calculateSpringForce(o,r,.5*e),this._calculateSpringForce(r,a,.5*e)):(e=t.options.length===void 0?this.options.springLength*1.5:t.options.length,this._calculateSpringForce(t.from,t.to,e)))}_calculateSpringForce(e,t,i){let s=e.x-t.x,o=e.y-t.y,r=Math.max(Math.sqrt(s*s+o*o),.01),a=this.options.springConstant*(i-r)/r,d=s*a,h=o*a;this.physicsBody.forces[e.id]!==void 0&&(this.physicsBody.forces[e.id].x+=d,this.physicsBody.forces[e.id].y+=h),this.physicsBody.forces[t.id]!==void 0&&(this.physicsBody.forces[t.id].x-=d,this.physicsBody.forces[t.id].y-=h)}},Wo=class{constructor(e,t,i){this.body=e,this.physicsBody=t,this.setOptions(i)}setOptions(e){this.options=e}solve(){let e,t,i,s,o,r,a,d,h=this.body.edges,l=.5,c=this.physicsBody.physicsEdgeIndices,u=this.physicsBody.physicsNodeIndices,f=this.physicsBody.forces;for(let y=0;y<u.length;y++){let _=u[y];f[_].springFx=0,f[_].springFy=0}for(let y=0;y<c.length;y++)t=h[c[y]],t.connected===!0&&(e=t.options.length===void 0?this.options.springLength:t.options.length,i=t.from.x-t.to.x,s=t.from.y-t.to.y,d=Math.sqrt(i*i+s*s),d=d===0?.01:d,a=this.options.springConstant*(e-d)/d,o=i*a,r=s*a,t.to.level!=t.from.level?(f[t.toId]!==void 0&&(f[t.toId].springFx-=o,f[t.toId].springFy-=r),f[t.fromId]!==void 0&&(f[t.fromId].springFx+=o,f[t.fromId].springFy+=r)):(f[t.toId]!==void 0&&(f[t.toId].x-=l*o,f[t.toId].y-=l*r),f[t.fromId]!==void 0&&(f[t.fromId].x+=l*o,f[t.fromId].y+=l*r)));a=1;let m,v;for(let y=0;y<u.length;y++){let _=u[y];m=Math.min(a,Math.max(-a,f[_].springFx)),v=Math.min(a,Math.max(-a,f[_].springFy)),f[_].x+=m,f[_].y+=v}let p=0,b=0;for(let y=0;y<u.length;y++){let _=u[y];p+=f[_].x,b+=f[_].y}let x=p/u.length,T=b/u.length;for(let y=0;y<u.length;y++){let _=u[y];f[_].x-=x,f[_].y-=T}}},xt=class{constructor(e,t,i){this.body=e,this.physicsBody=t,this.setOptions(i)}setOptions(e){this.options=e}solve(){let e,t,i,s,o=this.body.nodes,r=this.physicsBody.physicsNodeIndices,a=this.physicsBody.forces;for(let d=0;d<r.length;d++){let h=r[d];s=o[h],e=-s.x,t=-s.y,i=Math.sqrt(e*e+t*t),this._calculateForces(i,e,t,a,s)}}_calculateForces(e,t,i,s,o){let r=e===0?0:this.options.centralGravity/e;s[o.id].x=t*r,s[o.id].y=i*r}},Vo=class extends Ni{constructor(e,t,i){super(e,t,i);this._rng=yt("FORCE ATLAS 2 BASED REPULSION SOLVER")}_calculateForces(e,t,i,s,o){e===0&&(e=.1*this._rng(),t=e),this.overlapAvoidanceFactor<1&&s.shape.radius&&(e=Math.max(.1+this.overlapAvoidanceFactor*s.shape.radius,e-s.shape.radius));let r=s.edges.length+1,a=this.options.gravitationalConstant*o.mass*s.options.mass*r/Math.pow(e,2),d=t*a,h=i*a;this.physicsBody.forces[s.id].x+=d,this.physicsBody.forces[s.id].y+=h}},qo=class extends xt{constructor(e,t,i){super(e,t,i)}_calculateForces(e,t,i,s,o){if(e>0){let r=o.edges.length+1,a=this.options.centralGravity*r*o.options.mass;s[o.id].x=t*a,s[o.id].y=i*a}}},Yo=class{constructor(e){this.body=e,this.physicsBody={physicsNodeIndices:[],physicsEdgeIndices:[],forces:{},velocities:{}},this.physicsEnabled=!0,this.simulationInterval=1e3/60,this.requiresTimeout=!0,this.previousStates={},this.referenceState={},this.freezeCache={},this.renderTimer=void 0,this.adaptiveTimestep=!1,this.adaptiveTimestepEnabled=!1,this.adaptiveCounter=0,this.adaptiveInterval=3,this.stabilized=!1,this.startedStabilization=!1,this.stabilizationIterations=0,this.ready=!1,this.options={},this.defaultOptions={enabled:!0,barnesHut:{theta:.5,gravitationalConstant:-2e3,centralGravity:.3,springLength:95,springConstant:.04,damping:.09,avoidOverlap:0},forceAtlas2Based:{theta:.5,gravitationalConstant:-50,centralGravity:.01,springConstant:.08,springLength:100,damping:.4,avoidOverlap:0},repulsion:{centralGravity:.2,springLength:200,springConstant:.05,nodeDistance:100,damping:.09,avoidOverlap:0},hierarchicalRepulsion:{centralGravity:0,springLength:100,springConstant:.01,nodeDistance:120,damping:.09},maxVelocity:50,minVelocity:.75,solver:"barnesHut",stabilization:{enabled:!0,iterations:1e3,updateInterval:50,onlyDynamicEdges:!1,fit:!0},timestep:.5,adaptiveTimestep:!0,wind:{x:0,y:0}},Object.assign(this.options,this.defaultOptions),this.timestep=.5,this.layoutFailed=!1,this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("initPhysics",()=>{this.initPhysics()}),this.body.emitter.on("_layoutFailed",()=>{this.layoutFailed=!0}),this.body.emitter.on("resetPhysics",()=>{this.stopSimulation(),this.ready=!1}),this.body.emitter.on("disablePhysics",()=>{this.physicsEnabled=!1,this.stopSimulation()}),this.body.emitter.on("restorePhysics",()=>{this.setOptions(this.options),this.ready===!0&&this.startSimulation()}),this.body.emitter.on("startSimulation",()=>{this.ready===!0&&this.startSimulation()}),this.body.emitter.on("stopSimulation",()=>{this.stopSimulation()}),this.body.emitter.on("destroy",()=>{this.stopSimulation(!1),this.body.emitter.off()}),this.body.emitter.on("_dataChanged",()=>{this.updatePhysicsData()})}setOptions(e){if(e!==void 0)if(e===!1)this.options.enabled=!1,this.physicsEnabled=!1,this.stopSimulation();else if(e===!0)this.options.enabled=!0,this.physicsEnabled=!0,this.startSimulation();else{this.physicsEnabled=!0,bt(["stabilization"],this.options,e),oe(this.options,e,"stabilization"),e.enabled===void 0&&(this.options.enabled=!0),this.options.enabled===!1&&(this.physicsEnabled=!1,this.stopSimulation());let t=this.options.wind;t&&((typeof t.x!="number"||Number.isNaN(t.x))&&(t.x=0),(typeof t.y!="number"||Number.isNaN(t.y))&&(t.y=0)),this.timestep=this.options.timestep}this.init()}init(){let e;this.options.solver==="forceAtlas2Based"?(e=this.options.forceAtlas2Based,this.nodesSolver=new Vo(this.body,this.physicsBody,e),this.edgesSolver=new Gt(this.body,this.physicsBody,e),this.gravitySolver=new qo(this.body,this.physicsBody,e)):this.options.solver==="repulsion"?(e=this.options.repulsion,this.nodesSolver=new Ho(this.body,this.physicsBody,e),this.edgesSolver=new Gt(this.body,this.physicsBody,e),this.gravitySolver=new xt(this.body,this.physicsBody,e)):this.options.solver==="hierarchicalRepulsion"?(e=this.options.hierarchicalRepulsion,this.nodesSolver=new jo(this.body,this.physicsBody,e),this.edgesSolver=new Wo(this.body,this.physicsBody,e),this.gravitySolver=new xt(this.body,this.physicsBody,e)):(e=this.options.barnesHut,this.nodesSolver=new Ni(this.body,this.physicsBody,e),this.edgesSolver=new Gt(this.body,this.physicsBody,e),this.gravitySolver=new xt(this.body,this.physicsBody,e)),this.modelOptions=e}initPhysics(){this.physicsEnabled===!0&&this.options.enabled===!0?this.options.stabilization.enabled===!0?this.stabilize():(this.stabilized=!1,this.ready=!0,this.body.emitter.emit("fit",{},this.layoutFailed),this.startSimulation()):(this.ready=!0,this.body.emitter.emit("fit"))}startSimulation(){this.physicsEnabled===!0&&this.options.enabled===!0?(this.stabilized=!1,this.adaptiveTimestep=!1,this.body.emitter.emit("_resizeNodes"),this.viewFunction===void 0&&(this.viewFunction=this.simulationStep.bind(this),this.body.emitter.on("initRedraw",this.viewFunction),this.body.emitter.emit("_startRendering"))):this.body.emitter.emit("_redraw")}stopSimulation(e=!0){this.stabilized=!0,e===!0&&this._emitStabilized(),this.viewFunction!==void 0&&(this.body.emitter.off("initRedraw",this.viewFunction),this.viewFunction=void 0,e===!0&&this.body.emitter.emit("_stopRendering"))}simulationStep(){let e=Date.now();this.physicsTick(),(Date.now()-e<.4*this.simulationInterval||this.runDoubleSpeed===!0)&&this.stabilized===!1&&(this.physicsTick(),this.runDoubleSpeed=!0),this.stabilized===!0&&this.stopSimulation()}_emitStabilized(e=this.stabilizationIterations){(this.stabilizationIterations>1||this.startedStabilization===!0)&&setTimeout(()=>{this.body.emitter.emit("stabilized",{iterations:e}),this.startedStabilization=!1,this.stabilizationIterations=0},0)}physicsStep(){this.gravitySolver.solve(),this.nodesSolver.solve(),this.edgesSolver.solve(),this.moveNodes()}adjustTimeStep(){let e=1.2;this._evaluateStepQuality()===!0?this.timestep=e*this.timestep:this.timestep/e<this.options.timestep?this.timestep=this.options.timestep:(this.adaptiveCounter=-1,this.timestep=Math.max(this.options.timestep,this.timestep/e))}physicsTick(){this._startStabilizing(),this.stabilized!==!0&&(this.adaptiveTimestep===!0&&this.adaptiveTimestepEnabled===!0?(this.adaptiveCounter%this.adaptiveInterval==0?(this.timestep=2*this.timestep,this.physicsStep(),this.revert(),this.timestep=.5*this.timestep,this.physicsStep(),this.physicsStep(),this.adjustTimeStep()):this.physicsStep(),this.adaptiveCounter+=1):(this.timestep=this.options.timestep,this.physicsStep()),this.stabilized===!0&&this.revert(),this.stabilizationIterations++)}updatePhysicsData(){this.physicsBody.forces={},this.physicsBody.physicsNodeIndices=[],this.physicsBody.physicsEdgeIndices=[];let e=this.body.nodes,t=this.body.edges;for(let i in e)Object.prototype.hasOwnProperty.call(e,i)&&e[i].options.physics===!0&&this.physicsBody.physicsNodeIndices.push(e[i].id);for(let i in t)Object.prototype.hasOwnProperty.call(t,i)&&t[i].options.physics===!0&&this.physicsBody.physicsEdgeIndices.push(t[i].id);for(let i=0;i<this.physicsBody.physicsNodeIndices.length;i++){let s=this.physicsBody.physicsNodeIndices[i];this.physicsBody.forces[s]={x:0,y:0},this.physicsBody.velocities[s]===void 0&&(this.physicsBody.velocities[s]={x:0,y:0})}for(let i in this.physicsBody.velocities)e[i]===void 0&&delete this.physicsBody.velocities[i]}revert(){let e=Object.keys(this.previousStates),t=this.body.nodes,i=this.physicsBody.velocities;this.referenceState={};for(let s=0;s<e.length;s++){let o=e[s];t[o]!==void 0?t[o].options.physics===!0&&(this.referenceState[o]={positions:{x:t[o].x,y:t[o].y}},i[o].x=this.previousStates[o].vx,i[o].y=this.previousStates[o].vy,t[o].x=this.previousStates[o].x,t[o].y=this.previousStates[o].y):delete this.previousStates[o]}}_evaluateStepQuality(){let e,t,i,s=this.body.nodes,o=this.referenceState,r=.3;for(let a in this.referenceState)if(Object.prototype.hasOwnProperty.call(this.referenceState,a)&&s[a]!==void 0&&(e=s[a].x-o[a].positions.x,t=s[a].y-o[a].positions.y,i=Math.sqrt(Math.pow(e,2)+Math.pow(t,2)),i>r))return!1;return!0}moveNodes(){let e=this.physicsBody.physicsNodeIndices,t=0,i=0,s=5;for(let o=0;o<e.length;o++){let r=e[o],a=this._performStep(r);t=Math.max(t,a),i+=a}this.adaptiveTimestepEnabled=i/e.length<s,this.stabilized=t<this.options.minVelocity}calculateComponentVelocity(e,t,i){let s=this.modelOptions.damping*e;e+=(t-s)/i*this.timestep;let r=this.options.maxVelocity||1e9;return Math.abs(e)>r&&(e=e>0?r:-r),e}_performStep(e){let t=this.body.nodes[e],i=this.physicsBody.forces[e];this.options.wind&&(i.x+=this.options.wind.x,i.y+=this.options.wind.y);let s=this.physicsBody.velocities[e];return this.previousStates[e]={x:t.x,y:t.y,vx:s.x,vy:s.y},t.options.fixed.x===!1?(s.x=this.calculateComponentVelocity(s.x,i.x,t.options.mass),t.x+=s.x*this.timestep):(i.x=0,s.x=0),t.options.fixed.y===!1?(s.y=this.calculateComponentVelocity(s.y,i.y,t.options.mass),t.y+=s.y*this.timestep):(i.y=0,s.y=0),Math.sqrt(Math.pow(s.x,2)+Math.pow(s.y,2))}_freezeNodes(){let e=this.body.nodes;for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)&&e[t].x&&e[t].y){let i=e[t].options.fixed;this.freezeCache[t]={x:i.x,y:i.y},i.x=!0,i.y=!0}}_restoreFrozenNodes(){let e=this.body.nodes;for(let t in e)Object.prototype.hasOwnProperty.call(e,t)&&this.freezeCache[t]!==void 0&&(e[t].options.fixed.x=this.freezeCache[t].x,e[t].options.fixed.y=this.freezeCache[t].y);this.freezeCache={}}stabilize(e=this.options.stabilization.iterations){if(typeof e!="number"&&(e=this.options.stabilization.iterations,console.error("The stabilize method needs a numeric amount of iterations. Switching to default: ",e)),this.physicsBody.physicsNodeIndices.length===0){this.ready=!0;return}this.adaptiveTimestep=this.options.adaptiveTimestep,this.body.emitter.emit("_resizeNodes"),this.stopSimulation(),this.stabilized=!1,this.body.emitter.emit("_blockRedraw"),this.targetIterations=e,this.options.stabilization.onlyDynamicEdges===!0&&this._freezeNodes(),this.stabilizationIterations=0,setTimeout(()=>this._stabilizationBatch(),0)}_startStabilizing(){return this.startedStabilization===!0?!1:(this.body.emitter.emit("startStabilizing"),this.startedStabilization=!0,!0)}_stabilizationBatch(){let e=()=>this.stabilized===!1&&this.stabilizationIterations<this.targetIterations,t=()=>{this.body.emitter.emit("stabilizationProgress",{iterations:this.stabilizationIterations,total:this.targetIterations})};this._startStabilizing()&&t();let i=0;for(;e()&&i<this.options.stabilization.updateInterval;)this.physicsTick(),i++;t(),e()?setTimeout(this._stabilizationBatch.bind(this),0):this._finalizeStabilization()}_finalizeStabilization(){this.body.emitter.emit("_allowRedraw"),this.options.stabilization.fit===!0&&this.body.emitter.emit("fit"),this.options.stabilization.onlyDynamicEdges===!0&&this._restoreFrozenNodes(),this.body.emitter.emit("stabilizationIterationsDone"),this.body.emitter.emit("_requestRedraw"),this.stabilized===!0?this._emitStabilized():this.startSimulation(),this.ready=!0}_drawForces(e){for(let t=0;t<this.physicsBody.physicsNodeIndices.length;t++){let i=this.physicsBody.physicsNodeIndices[t],s=this.body.nodes[i],o=this.physicsBody.forces[i],r=20,a=.03,d=Math.sqrt(Math.pow(o.x,2)+Math.pow(o.x,2)),h=Math.min(Math.max(5,d),15),l=3*h,c=Lt((180-Math.min(1,Math.max(0,a*d))*180)/360,1,1),u={x:s.x+r*o.x,y:s.y+r*o.y};e.lineWidth=h,e.strokeStyle=c,e.beginPath(),e.moveTo(s.x,s.y),e.lineTo(u.x,u.y),e.stroke();let f=Math.atan2(o.y,o.x);e.fillStyle=c,Si.draw(e,{type:"arrow",point:u,angle:f,length:l}),e.fill()}}},K=class{constructor(){}static getRange(e,t=[]){let i=1e9,s=-1e9,o=1e9,r=-1e9,a;if(t.length>0)for(let d=0;d<t.length;d++)a=e[t[d]],o>a.shape.boundingBox.left&&(o=a.shape.boundingBox.left),r<a.shape.boundingBox.right&&(r=a.shape.boundingBox.right),i>a.shape.boundingBox.top&&(i=a.shape.boundingBox.top),s<a.shape.boundingBox.bottom&&(s=a.shape.boundingBox.bottom);return o===1e9&&r===-1e9&&i===1e9&&s===-1e9&&(i=0,s=0,o=0,r=0),{minX:o,maxX:r,minY:i,maxY:s}}static getRangeCore(e,t=[]){let i=1e9,s=-1e9,o=1e9,r=-1e9,a;if(t.length>0)for(let d=0;d<t.length;d++)a=e[t[d]],o>a.x&&(o=a.x),r<a.x&&(r=a.x),i>a.y&&(i=a.y),s<a.y&&(s=a.y);return o===1e9&&r===-1e9&&i===1e9&&s===-1e9&&(i=0,s=0,o=0,r=0),{minX:o,maxX:r,minY:i,maxY:s}}static findCenter(e){return{x:.5*(e.maxX+e.minX),y:.5*(e.maxY+e.minY)}}static cloneOptions(e,t){let i={};return t===void 0||t==="node"?(B(i,e.options,!0),i.x=e.x,i.y=e.y,i.amountOfConnections=e.edges.length):B(i,e.options,!0),i}},Uo=class extends L{constructor(e,t,i,s,o,r){super(e,t,i,s,o,r);this.isCluster=!0,this.containedNodes={},this.containedEdges={}}_openChildCluster(e){let t=this.body.nodes[e];if(this.containedNodes[e]===void 0)throw new Error("node with id: "+e+" not in current cluster");if(!t.isCluster)throw new Error("node with id: "+e+" is not a cluster");delete this.containedNodes[e],M(t.edges,i=>{delete this.containedEdges[i.id]}),M(t.containedNodes,(i,s)=>{this.containedNodes[s]=i}),t.containedNodes={},M(t.containedEdges,(i,s)=>{this.containedEdges[s]=i}),t.containedEdges={},M(t.edges,i=>{M(this.edges,s=>{let o=s.clusteringEdgeReplacingIds.indexOf(i.id);o!==-1&&(M(i.clusteringEdgeReplacingIds,r=>{s.clusteringEdgeReplacingIds.push(r),this.body.edges[r].edgeReplacedById=s.id}),s.clusteringEdgeReplacingIds.splice(o,1))})}),t.edges=[]}},Xo=class{constructor(e){this.body=e,this.clusteredNodes={},this.clusteredEdges={},this.options={},this.defaultOptions={},Object.assign(this.options,this.defaultOptions),this.body.emitter.on("_resetData",()=>{this.clusteredNodes={},this.clusteredEdges={}})}clusterByHubsize(e,t){e===void 0?e=this._getHubSize():typeof e=="object"&&(t=this._checkOptions(e),e=this._getHubSize());let i=[];for(let s=0;s<this.body.nodeIndices.length;s++){let o=this.body.nodes[this.body.nodeIndices[s]];o.edges.length>=e&&i.push(o.id)}for(let s=0;s<i.length;s++)this.clusterByConnection(i[s],t,!0);this.body.emitter.emit("_dataChanged")}cluster(e={},t=!0){if(e.joinCondition===void 0)throw new Error("Cannot call clusterByNodeData without a joinCondition function in the 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p=o.draw(e);p.drawExternalLabel!=null&&u.push(p.drawExternalLabel)}for(f=0;f<v;f++){o=i[a[f]];let p=o.draw(e);p.drawExternalLabel!=null&&u.push(p.drawExternalLabel)}return{drawExternalLabels:()=>{for(let p of u)p()}}}_drawEdges(e){let t=this.body.edges,i=this.body.edgeIndices;for(let s=0;s<i.length;s++){let o=t[i[s]];o.connected===!0&&o.draw(e)}}_drawArrows(e){let t=this.body.edges,i=this.body.edgeIndices;for(let s=0;s<i.length;s++){let o=t[i[s]];o.connected===!0&&o.drawArrows(e)}}_determineBrowserMethod(){if(typeof window!="undefined"){let e=navigator.userAgent.toLowerCase();this.requiresTimeout=!1,e.indexOf("msie 9.0")!=-1?this.requiresTimeout=!0:e.indexOf("safari")!=-1&&e.indexOf("chrome")<=-1&&(this.requiresTimeout=!0)}else this.requiresTimeout=!0}_drawSelectionBox(e){if(this.body.selectionBox.show){e.beginPath();let t=this.body.selectionBox.position.end.x-this.body.selectionBox.position.start.x,i=this.body.selectionBox.position.end.y-this.body.selectionBox.position.start.y;e.rect(this.body.selectionBox.position.start.x,this.body.selectionBox.position.start.y,t,i),e.fillStyle="rgba(151, 194, 252, 0.2)",e.fillRect(this.body.selectionBox.position.start.x,this.body.selectionBox.position.start.y,t,i),e.strokeStyle="rgba(151, 194, 252, 1)",e.stroke()}else e.closePath()}};function Kt(n,e){e.inputHandler=function(t){t.isFirst&&e(t)},n.on("hammer.input",e.inputHandler)}function Ko(n,e){return e.inputHandler=function(t){t.isFinal&&e(t)},n.on("hammer.input",e.inputHandler)}var $o=class{constructor(e){this.body=e,this.pixelRatio=1,this.cameraState={},this.initialized=!1,this.canvasViewCenter={},this._cleanupCallbacks=[],this.options={},this.defaultOptions={autoResize:!0,height:"100%",width:"100%"},Object.assign(this.options,this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.once("resize",e=>{e.width!==0&&(this.body.view.translation.x=e.width*.5),e.height!==0&&(this.body.view.translation.y=e.height*.5)}),this.body.emitter.on("setSize",this.setSize.bind(this)),this.body.emitter.on("destroy",()=>{this.hammerFrame.destroy(),this.hammer.destroy(),this._cleanUp()})}setOptions(e){if(e!==void 0&&qe(["width","height","autoResize"],this.options,e),this._cleanUp(),this.options.autoResize===!0){if(window.ResizeObserver){let i=new ResizeObserver(()=>{this.setSize()===!0&&this.body.emitter.emit("_requestRedraw")}),{frame:s}=this;i.observe(s),this._cleanupCallbacks.push(()=>{i.unobserve(s)})}else{let i=setInterval(()=>{this.setSize()===!0&&this.body.emitter.emit("_requestRedraw")},1e3);this._cleanupCallbacks.push(()=>{clearInterval(i)})}let t=this._onResize.bind(this);window.addEventListener("resize",t),this._cleanupCallbacks.push(()=>{window.removeEventListener("resize",t)})}}_cleanUp(){this._cleanupCallbacks.splice(0).reverse().forEach(e=>{try{e()}catch(t){console.error(t)}})}_onResize(){this.setSize(),this.body.emitter.emit("_redraw")}_getCameraState(e=this.pixelRatio){this.initialized===!0&&(this.cameraState.previousWidth=this.frame.canvas.width/e,this.cameraState.previousHeight=this.frame.canvas.height/e,this.cameraState.scale=this.body.view.scale,this.cameraState.position=this.DOMtoCanvas({x:.5*this.frame.canvas.width/e,y:.5*this.frame.canvas.height/e}))}_setCameraState(){if(this.cameraState.scale!==void 0&&this.frame.canvas.clientWidth!==0&&this.frame.canvas.clientHeight!==0&&this.pixelRatio!==0&&this.cameraState.previousWidth>0&&this.cameraState.previousHeight>0){let e=this.frame.canvas.width/this.pixelRatio/this.cameraState.previousWidth,t=this.frame.canvas.height/this.pixelRatio/this.cameraState.previousHeight,i=this.cameraState.scale;e!=1&&t!=1?i=this.cameraState.scale*.5*(e+t):e!=1?i=this.cameraState.scale*e:t!=1&&(i=this.cameraState.scale*t),this.body.view.scale=i;let s=this.DOMtoCanvas({x:.5*this.frame.canvas.clientWidth,y:.5*this.frame.canvas.clientHeight}),o={x:s.x-this.cameraState.position.x,y:s.y-this.cameraState.position.y};this.body.view.translation.x+=o.x*this.body.view.scale,this.body.view.translation.y+=o.y*this.body.view.scale}}_prepareValue(e){if(typeof e=="number")return e+"px";if(typeof e=="string"){if(e.indexOf("%")!==-1||e.indexOf("px")!==-1)return e;if(e.indexOf("%")===-1)return e+"px"}throw new Error("Could not use the value supplied for width or height:"+e)}_create(){for(;this.body.container.hasChildNodes();)this.body.container.removeChild(this.body.container.firstChild);if(this.frame=document.createElement("div"),this.frame.className="vis-network",this.frame.style.position="relative",this.frame.style.overflow="hidden",this.frame.tabIndex=0,this.frame.canvas=document.createElement("canvas"),this.frame.canvas.style.position="relative",this.frame.appendChild(this.frame.canvas),this.frame.canvas.getContext)this._setPixelRatio(),this.setTransform();else{let e=document.createElement("DIV");e.style.color="red",e.style.fontWeight="bold",e.style.padding="10px",e.innerText="Error: your browser does not support HTML canvas",this.frame.canvas.appendChild(e)}this.body.container.appendChild(this.frame),this.body.view.scale=1,this.body.view.translation={x:.5*this.frame.canvas.clientWidth,y:.5*this.frame.canvas.clientHeight},this._bindHammer()}_bindHammer(){this.hammer!==void 0&&this.hammer.destroy(),this.drag={},this.pinch={},this.hammer=new Ye(this.frame.canvas),this.hammer.get("pinch").set({enable:!0}),this.hammer.get("pan").set({threshold:5,direction:Ye.DIRECTION_ALL}),Kt(this.hammer,e=>{this.body.eventListeners.onTouch(e)}),this.hammer.on("tap",e=>{this.body.eventListeners.onTap(e)}),this.hammer.on("doubletap",e=>{this.body.eventListeners.onDoubleTap(e)}),this.hammer.on("press",e=>{this.body.eventListeners.onHold(e)}),this.hammer.on("panstart",e=>{this.body.eventListeners.onDragStart(e)}),this.hammer.on("panmove",e=>{this.body.eventListeners.onDrag(e)}),this.hammer.on("panend",e=>{this.body.eventListeners.onDragEnd(e)}),this.hammer.on("pinch",e=>{this.body.eventListeners.onPinch(e)}),this.frame.canvas.addEventListener("wheel",e=>{this.body.eventListeners.onMouseWheel(e)}),this.frame.canvas.addEventListener("mousemove",e=>{this.body.eventListeners.onMouseMove(e)}),this.frame.canvas.addEventListener("contextmenu",e=>{this.body.eventListeners.onContext(e)}),this.hammerFrame=new Ye(this.frame),Ko(this.hammerFrame,e=>{this.body.eventListeners.onRelease(e)})}setSize(e=this.options.width,t=this.options.height){e=this._prepareValue(e),t=this._prepareValue(t);let i=!1,s=this.frame.canvas.width,o=this.frame.canvas.height,r=this.pixelRatio;if(this._setPixelRatio(),e!=this.options.width||t!=this.options.height||this.frame.style.width!=e||this.frame.style.height!=t)this._getCameraState(r),this.frame.style.width=e,this.frame.style.height=t,this.frame.canvas.style.width="100%",this.frame.canvas.style.height="100%",this.frame.canvas.width=Math.round(this.frame.canvas.clientWidth*this.pixelRatio),this.frame.canvas.height=Math.round(this.frame.canvas.clientHeight*this.pixelRatio),this.options.width=e,this.options.height=t,this.canvasViewCenter={x:.5*this.frame.clientWidth,y:.5*this.frame.clientHeight},i=!0;else{let a=Math.round(this.frame.canvas.clientWidth*this.pixelRatio),d=Math.round(this.frame.canvas.clientHeight*this.pixelRatio);(this.frame.canvas.width!==a||this.frame.canvas.height!==d)&&this._getCameraState(r),this.frame.canvas.width!==a&&(this.frame.canvas.width=a,i=!0),this.frame.canvas.height!==d&&(this.frame.canvas.height=d,i=!0)}return i===!0&&(this.body.emitter.emit("resize",{width:Math.round(this.frame.canvas.width/this.pixelRatio),height:Math.round(this.frame.canvas.height/this.pixelRatio),oldWidth:Math.round(s/this.pixelRatio),oldHeight:Math.round(o/this.pixelRatio)}),this._setCameraState()),this.initialized=!0,i}getContext(){return this.frame.canvas.getContext("2d")}_determinePixelRatio(){let e=this.getContext();if(e===void 0)throw new Error("Could not get canvax context");let t=1;typeof window!="undefined"&&(t=window.devicePixelRatio||1);let i=e.webkitBackingStorePixelRatio||e.mozBackingStorePixelRatio||e.msBackingStorePixelRatio||e.oBackingStorePixelRatio||e.backingStorePixelRatio||1;return t/i}_setPixelRatio(){this.pixelRatio=this._determinePixelRatio()}setTransform(){let e=this.getContext();if(e===void 0)throw new Error("Could not get canvax context");e.setTransform(this.pixelRatio,0,0,this.pixelRatio,0,0)}_XconvertDOMtoCanvas(e){return(e-this.body.view.translation.x)/this.body.view.scale}_XconvertCanvasToDOM(e){return e*this.body.view.scale+this.body.view.translation.x}_YconvertDOMtoCanvas(e){return(e-this.body.view.translation.y)/this.body.view.scale}_YconvertCanvasToDOM(e){return e*this.body.view.scale+this.body.view.translation.y}canvasToDOM(e){return{x:this._XconvertCanvasToDOM(e.x),y:this._YconvertCanvasToDOM(e.y)}}DOMtoCanvas(e){return{x:this._XconvertDOMtoCanvas(e.x),y:this._YconvertDOMtoCanvas(e.y)}}};function Ea(n,e){let t=Object.assign({nodes:e,minZoomLevel:Number.MIN_VALUE,maxZoomLevel:1},n!=null?n:{});if(!Array.isArray(t.nodes))throw new TypeError("Nodes has to be an array of ids.");if(t.nodes.length===0&&(t.nodes=e),!(typeof t.minZoomLevel=="number"&&t.minZoomLevel>0))throw new TypeError("Min zoom level has to be a number higher than zero.");if(!(typeof t.maxZoomLevel=="number"&&t.minZoomLevel<=t.maxZoomLevel))throw new TypeError("Max zoom level has to be a number higher than min zoom level.");return t}var Zo=class{constructor(e,t){this.body=e,this.canvas=t,this.animationSpeed=1/this.renderRefreshRate,this.animationEasingFunction="easeInOutQuint",this.easingTime=0,this.sourceScale=0,this.targetScale=0,this.sourceTranslation=0,this.targetTranslation=0,this.lockedOnNodeId=void 0,this.lockedOnNodeOffset=void 0,this.touchTime=0,this.viewFunction=void 0,this.body.emitter.on("fit",this.fit.bind(this)),this.body.emitter.on("animationFinished",()=>{this.body.emitter.emit("_stopRendering")}),this.body.emitter.on("unlockNode",this.releaseNode.bind(this))}setOptions(e={}){this.options=e}fit(e,t=!1){e=Ea(e,this.body.nodeIndices);let i=this.canvas.frame.canvas.clientWidth,s=this.canvas.frame.canvas.clientHeight,o,r;if(i===0||s===0)r=1,o=K.getRange(this.body.nodes,e.nodes);else if(t===!0){let h=0;for(let u in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,u)&&this.body.nodes[u].predefinedPosition===!0&&(h+=1);if(h>.5*this.body.nodeIndices.length){this.fit(e,!1);return}o=K.getRange(this.body.nodes,e.nodes);let l=this.body.nodeIndices.length;r=12.662/(l+7.4147)+.0964822,r*=Math.min(i/600,s/600)}else{this.body.emitter.emit("_resizeNodes"),o=K.getRange(this.body.nodes,e.nodes);let h=Math.abs(o.maxX-o.minX)*1.1,l=Math.abs(o.maxY-o.minY)*1.1,c=i/h,u=s/l;r=c<=u?c:u}r>e.maxZoomLevel?r=e.maxZoomLevel:r<e.minZoomLevel&&(r=e.minZoomLevel);let d={position:K.findCenter(o),scale:r,animation:e.animation};this.moveTo(d)}focus(e,t={}){if(this.body.nodes[e]!==void 0){let i={x:this.body.nodes[e].x,y:this.body.nodes[e].y};t.position=i,t.lockedOnNode=e,this.moveTo(t)}else console.error("Node: "+e+" cannot be found.")}moveTo(e){if(e===void 0){e={};return}if(e.offset!=null){if(e.offset.x!=null){if(e.offset.x=+e.offset.x,!Number.isFinite(e.offset.x))throw new TypeError('The option "offset.x" has to be a finite number.')}else e.offset.x=0;if(e.offset.y!=null){if(e.offset.y=+e.offset.y,!Number.isFinite(e.offset.y))throw new TypeError('The option "offset.y" has to be a finite number.')}else e.offset.x=0}else e.offset={x:0,y:0};if(e.position!=null){if(e.position.x!=null){if(e.position.x=+e.position.x,!Number.isFinite(e.position.x))throw new TypeError('The option "position.x" has to be a finite number.')}else e.position.x=0;if(e.position.y!=null){if(e.position.y=+e.position.y,!Number.isFinite(e.position.y))throw new TypeError('The option "position.y" has to be a finite number.')}else e.position.x=0}else e.position=this.getViewPosition();if(e.scale!=null){if(e.scale=+e.scale,!(e.scale>0))throw new TypeError('The option "scale" has to be a number greater than zero.')}else e.scale=this.body.view.scale;e.animation===void 0&&(e.animation={duration:0}),e.animation===!1&&(e.animation={duration:0}),e.animation===!0&&(e.animation={}),e.animation.duration===void 0&&(e.animation.duration=1e3),e.animation.easingFunction===void 0&&(e.animation.easingFunction="easeInOutQuad"),this.animateView(e)}animateView(e){if(e===void 0)return;this.animationEasingFunction=e.animation.easingFunction,this.releaseNode(),e.locked===!0&&(this.lockedOnNodeId=e.lockedOnNode,this.lockedOnNodeOffset=e.offset),this.easingTime!=0&&this._transitionRedraw(!0),this.sourceScale=this.body.view.scale,this.sourceTranslation=this.body.view.translation,this.targetScale=e.scale,this.body.view.scale=this.targetScale;let t=this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight}),i={x:t.x-e.position.x,y:t.y-e.position.y};this.targetTranslation={x:this.sourceTranslation.x+i.x*this.targetScale+e.offset.x,y:this.sourceTranslation.y+i.y*this.targetScale+e.offset.y},e.animation.duration===0?this.lockedOnNodeId!=null?(this.viewFunction=this._lockedRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction)):(this.body.view.scale=this.targetScale,this.body.view.translation=this.targetTranslation,this.body.emitter.emit("_requestRedraw")):(this.animationSpeed=1/(60*e.animation.duration*.001)||1/60,this.animationEasingFunction=e.animation.easingFunction,this.viewFunction=this._transitionRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction),this.body.emitter.emit("_startRendering"))}_lockedRedraw(){let e={x:this.body.nodes[this.lockedOnNodeId].x,y:this.body.nodes[this.lockedOnNodeId].y},t=this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight}),i={x:t.x-e.x,y:t.y-e.y},s=this.body.view.translation,o={x:s.x+i.x*this.body.view.scale+this.lockedOnNodeOffset.x,y:s.y+i.y*this.body.view.scale+this.lockedOnNodeOffset.y};this.body.view.translation=o}releaseNode(){this.lockedOnNodeId!==void 0&&this.viewFunction!==void 0&&(this.body.emitter.off("initRedraw",this.viewFunction),this.lockedOnNodeId=void 0,this.lockedOnNodeOffset=void 0)}_transitionRedraw(e=!1){this.easingTime+=this.animationSpeed,this.easingTime=e===!0?1:this.easingTime;let t=Rs[this.animationEasingFunction](this.easingTime);this.body.view.scale=this.sourceScale+(this.targetScale-this.sourceScale)*t,this.body.view.translation={x:this.sourceTranslation.x+(this.targetTranslation.x-this.sourceTranslation.x)*t,y:this.sourceTranslation.y+(this.targetTranslation.y-this.sourceTranslation.y)*t},this.easingTime>=1&&(this.body.emitter.off("initRedraw",this.viewFunction),this.easingTime=0,this.lockedOnNodeId!=null&&(this.viewFunction=this._lockedRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction)),this.body.emitter.emit("animationFinished"))}getScale(){return this.body.view.scale}getViewPosition(){return this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight})}},Qo=class{constructor(e,t){this.body=e,this.canvas=t,this.iconsCreated=!1,this.navigationHammers=[],this.boundFunctions={},this.touchTime=0,this.activated=!1,this.body.emitter.on("activate",()=>{this.activated=!0,this.configureKeyboardBindings()}),this.body.emitter.on("deactivate",()=>{this.activated=!1,this.configureKeyboardBindings()}),this.body.emitter.on("destroy",()=>{this.keycharm!==void 0&&this.keycharm.destroy()}),this.options={}}setOptions(e){e!==void 0&&(this.options=e,this.create())}create(){this.options.navigationButtons===!0?this.iconsCreated===!1&&this.loadNavigationElements():this.iconsCreated===!0&&this.cleanNavigation(),this.configureKeyboardBindings()}cleanNavigation(){if(this.navigationHammers.length!=0){for(let e=0;e<this.navigationHammers.length;e++)this.navigationHammers[e].destroy();this.navigationHammers=[]}this.navigationDOM&&this.navigationDOM.wrapper&&this.navigationDOM.wrapper.parentNode&&this.navigationDOM.wrapper.parentNode.removeChild(this.navigationDOM.wrapper),this.iconsCreated=!1}loadNavigationElements(){this.cleanNavigation(),this.navigationDOM={};let e=["up","down","left","right","zoomIn","zoomOut","zoomExtends"],t=["_moveUp","_moveDown","_moveLeft","_moveRight","_zoomIn","_zoomOut","_fit"];this.navigationDOM.wrapper=document.createElement("div"),this.navigationDOM.wrapper.className="vis-navigation",this.canvas.frame.appendChild(this.navigationDOM.wrapper);for(let s=0;s<e.length;s++){this.navigationDOM[e[s]]=document.createElement("div"),this.navigationDOM[e[s]].className="vis-button vis-"+e[s],this.navigationDOM.wrapper.appendChild(this.navigationDOM[e[s]]);let o=new Ye(this.navigationDOM[e[s]]);t[s]==="_fit"?Kt(o,this._fit.bind(this)):Kt(o,this.bindToRedraw.bind(this,t[s])),this.navigationHammers.push(o)}let i=new Ye(this.canvas.frame);Ko(i,()=>{this._stopMovement()}),this.navigationHammers.push(i),this.iconsCreated=!0}bindToRedraw(e){this.boundFunctions[e]===void 0&&(this.boundFunctions[e]=this[e].bind(this),this.body.emitter.on("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_startRendering"))}unbindFromRedraw(e){this.boundFunctions[e]!==void 0&&(this.body.emitter.off("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_stopRendering"),delete this.boundFunctions[e])}_fit(){new Date().valueOf()-this.touchTime>700&&(this.body.emitter.emit("fit",{duration:700}),this.touchTime=new Date().valueOf())}_stopMovement(){for(let e in this.boundFunctions)Object.prototype.hasOwnProperty.call(this.boundFunctions,e)&&(this.body.emitter.off("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_stopRendering"));this.boundFunctions={}}_moveUp(){this.body.view.translation.y+=this.options.keyboard.speed.y}_moveDown(){this.body.view.translation.y-=this.options.keyboard.speed.y}_moveLeft(){this.body.view.translation.x+=this.options.keyboard.speed.x}_moveRight(){this.body.view.translation.x-=this.options.keyboard.speed.x}_zoomIn(){let e=this.body.view.scale,t=this.body.view.scale*(1+this.options.keyboard.speed.zoom),i=this.body.view.translation,s=t/e,o=(1-s)*this.canvas.canvasViewCenter.x+i.x*s,r=(1-s)*this.canvas.canvasViewCenter.y+i.y*s;this.body.view.scale=t,this.body.view.translation={x:o,y:r},this.body.emitter.emit("zoom",{direction:"+",scale:this.body.view.scale,pointer:null})}_zoomOut(){let e=this.body.view.scale,t=this.body.view.scale/(1+this.options.keyboard.speed.zoom),i=this.body.view.translation,s=t/e,o=(1-s)*this.canvas.canvasViewCenter.x+i.x*s,r=(1-s)*this.canvas.canvasViewCenter.y+i.y*s;this.body.view.scale=t,this.body.view.translation={x:o,y:r},this.body.emitter.emit("zoom",{direction:"-",scale:this.body.view.scale,pointer:null})}configureKeyboardBindings(){this.keycharm!==void 0&&this.keycharm.destroy(),this.options.keyboard.enabled===!0&&(this.options.keyboard.bindToWindow===!0?this.keycharm=Vt({container:window,preventDefault:!0}):this.keycharm=Vt({container:this.canvas.frame,preventDefault:!0}),this.keycharm.reset(),this.activated===!0&&(this.keycharm.bind("up",()=>{this.bindToRedraw("_moveUp")},"keydown"),this.keycharm.bind("down",()=>{this.bindToRedraw("_moveDown")},"keydown"),this.keycharm.bind("left",()=>{this.bindToRedraw("_moveLeft")},"keydown"),this.keycharm.bind("right",()=>{this.bindToRedraw("_moveRight")},"keydown"),this.keycharm.bind("=",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("num+",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("num-",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("-",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("[",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("]",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("pageup",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("pagedown",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("up",()=>{this.unbindFromRedraw("_moveUp")},"keyup"),this.keycharm.bind("down",()=>{this.unbindFromRedraw("_moveDown")},"keyup"),this.keycharm.bind("left",()=>{this.unbindFromRedraw("_moveLeft")},"keyup"),this.keycharm.bind("right",()=>{this.unbindFromRedraw("_moveRight")},"keyup"),this.keycharm.bind("=",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("num+",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("num-",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("-",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("[",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("]",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("pageup",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("pagedown",()=>{this.unbindFromRedraw("_zoomOut")},"keyup")))}},Jo=class{constructor(e,t,i){this.body=e,this.canvas=t,this.selectionHandler=i,this.navigationHandler=new Qo(e,t),this.body.eventListeners.onTap=this.onTap.bind(this),this.body.eventListeners.onTouch=this.onTouch.bind(this),this.body.eventListeners.onDoubleTap=this.onDoubleTap.bind(this),this.body.eventListeners.onHold=this.onHold.bind(this),this.body.eventListeners.onDragStart=this.onDragStart.bind(this),this.body.eventListeners.onDrag=this.onDrag.bind(this),this.body.eventListeners.onDragEnd=this.onDragEnd.bind(this),this.body.eventListeners.onMouseWheel=this.onMouseWheel.bind(this),this.body.eventListeners.onPinch=this.onPinch.bind(this),this.body.eventListeners.onMouseMove=this.onMouseMove.bind(this),this.body.eventListeners.onRelease=this.onRelease.bind(this),this.body.eventListeners.onContext=this.onContext.bind(this),this.touchTime=0,this.drag={},this.pinch={},this.popup=void 0,this.popupObj=void 0,this.popupTimer=void 0,this.body.functions.getPointer=this.getPointer.bind(this),this.options={},this.defaultOptions={dragNodes:!0,dragView:!0,hover:!1,keyboard:{enabled:!1,speed:{x:10,y:10,zoom:.02},bindToWindow:!0,autoFocus:!0},navigationButtons:!1,tooltipDelay:300,zoomView:!0,zoomSpeed:1},Object.assign(this.options,this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("destroy",()=>{clearTimeout(this.popupTimer),delete this.body.functions.getPointer})}setOptions(e){e!==void 0&&(bt(["hideEdgesOnDrag","hideEdgesOnZoom","hideNodesOnDrag","keyboard","multiselect","selectable","selectConnectedEdges"],this.options,e),oe(this.options,e,"keyboard"),e.tooltip&&(Object.assign(this.options.tooltip,e.tooltip),e.tooltip.color&&(this.options.tooltip.color=zt(e.tooltip.color)))),this.navigationHandler.setOptions(this.options)}getPointer(e){return{x:e.x-Fs(this.canvas.frame.canvas),y:e.y-Ns(this.canvas.frame.canvas)}}onTouch(e){new Date().valueOf()-this.touchTime>50&&(this.drag.pointer=this.getPointer(e.center),this.drag.pinched=!1,this.pinch.scale=this.body.view.scale,this.touchTime=new Date().valueOf())}onTap(e){let t=this.getPointer(e.center),i=this.selectionHandler.options.multiselect&&(e.changedPointers[0].ctrlKey||e.changedPointers[0].metaKey);this.checkSelectionChanges(t,i),this.selectionHandler.commitAndEmit(t,e),this.selectionHandler.generateClickEvent("click",e,t)}onDoubleTap(e){let t=this.getPointer(e.center);this.selectionHandler.generateClickEvent("doubleClick",e,t)}onHold(e){let t=this.getPointer(e.center),i=this.selectionHandler.options.multiselect;this.checkSelectionChanges(t,i),this.selectionHandler.commitAndEmit(t,e),this.selectionHandler.generateClickEvent("click",e,t),this.selectionHandler.generateClickEvent("hold",e,t)}onRelease(e){if(new Date().valueOf()-this.touchTime>10){let t=this.getPointer(e.center);this.selectionHandler.generateClickEvent("release",e,t),this.touchTime=new Date().valueOf()}}onContext(e){let t=this.getPointer({x:e.clientX,y:e.clientY});this.selectionHandler.generateClickEvent("oncontext",e,t)}checkSelectionChanges(e,t=!1){t===!0?this.selectionHandler.selectAdditionalOnPoint(e):this.selectionHandler.selectOnPoint(e)}_determineDifference(e,t){let i=function(s,o){let r=[];for(let a=0;a<s.length;a++){let d=s[a];o.indexOf(d)===-1&&r.push(d)}return r};return{nodes:i(e.nodes,t.nodes),edges:i(e.edges,t.edges)}}onDragStart(e){if(this.drag.dragging)return;this.drag.pointer===void 0&&this.onTouch(e);let t=this.selectionHandler.getNodeAt(this.drag.pointer);if(this.drag.dragging=!0,this.drag.selection=[],this.drag.translation=Object.assign({},this.body.view.translation),this.drag.nodeId=void 0,e.srcEvent.shiftKey){this.body.selectionBox.show=!0;let i=this.getPointer(e.center);this.body.selectionBox.position.start={x:this.canvas._XconvertDOMtoCanvas(i.x),y:this.canvas._YconvertDOMtoCanvas(i.y)},this.body.selectionBox.position.end={x:this.canvas._XconvertDOMtoCanvas(i.x),y:this.canvas._YconvertDOMtoCanvas(i.y)}}else if(t!==void 0&&this.options.dragNodes===!0){this.drag.nodeId=t.id,t.isSelected()===!1&&this.selectionHandler.setSelection({nodes:[t.id]}),this.selectionHandler.generateClickEvent("dragStart",e,this.drag.pointer);for(let i of this.selectionHandler.getSelectedNodes()){let s={id:i.id,node:i,x:i.x,y:i.y,xFixed:i.options.fixed.x,yFixed:i.options.fixed.y};i.options.fixed.x=!0,i.options.fixed.y=!0,this.drag.selection.push(s)}}else this.selectionHandler.generateClickEvent("dragStart",e,this.drag.pointer,void 0,!0)}onDrag(e){if(this.drag.pinched===!0)return;this.body.emitter.emit("unlockNode");let t=this.getPointer(e.center),i=this.drag.selection;if(i&&i.length&&this.options.dragNodes===!0){this.selectionHandler.generateClickEvent("dragging",e,t);let s=t.x-this.drag.pointer.x,o=t.y-this.drag.pointer.y;i.forEach(r=>{let a=r.node;r.xFixed===!1&&(a.x=this.canvas._XconvertDOMtoCanvas(this.canvas._XconvertCanvasToDOM(r.x)+s)),r.yFixed===!1&&(a.y=this.canvas._YconvertDOMtoCanvas(this.canvas._YconvertCanvasToDOM(r.y)+o))}),this.body.emitter.emit("startSimulation")}else{if(e.srcEvent.shiftKey){if(this.selectionHandler.generateClickEvent("dragging",e,t,void 0,!0),this.drag.pointer===void 0){this.onDragStart(e);return}this.body.selectionBox.position.end={x:this.canvas._XconvertDOMtoCanvas(t.x),y:this.canvas._YconvertDOMtoCanvas(t.y)},this.body.emitter.emit("_requestRedraw")}if(this.options.dragView===!0&&!e.srcEvent.shiftKey){if(this.selectionHandler.generateClickEvent("dragging",e,t,void 0,!0),this.drag.pointer===void 0){this.onDragStart(e);return}let s=t.x-this.drag.pointer.x,o=t.y-this.drag.pointer.y;this.body.view.translation={x:this.drag.translation.x+s,y:this.drag.translation.y+o},this.body.emitter.emit("_requestRedraw")}}}onDragEnd(e){if(this.drag.dragging=!1,this.body.selectionBox.show){this.body.selectionBox.show=!1;let t=this.body.selectionBox.position,i={minX:Math.min(t.start.x,t.end.x),minY:Math.min(t.start.y,t.end.y),maxX:Math.max(t.start.x,t.end.x),maxY:Math.max(t.start.y,t.end.y)};this.body.nodeIndices.filter(r=>{let a=this.body.nodes[r];return a.x>=i.minX&&a.x<=i.maxX&&a.y>=i.minY&&a.y<=i.maxY}).forEach(r=>this.selectionHandler.selectObject(this.body.nodes[r]));let o=this.getPointer(e.center);this.selectionHandler.commitAndEmit(o,e),this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center),void 0,!0),this.body.emitter.emit("_requestRedraw")}else{let t=this.drag.selection;t&&t.length?(t.forEach(function(i){i.node.options.fixed.x=i.xFixed,i.node.options.fixed.y=i.yFixed}),this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center)),this.body.emitter.emit("startSimulation")):(this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center),void 0,!0),this.body.emitter.emit("_requestRedraw"))}}onPinch(e){let t=this.getPointer(e.center);this.drag.pinched=!0,this.pinch.scale===void 0&&(this.pinch.scale=1);let i=this.pinch.scale*e.scale;this.zoom(i,t)}zoom(e,t){if(this.options.zoomView===!0){let i=this.body.view.scale;e<1e-5&&(e=1e-5),e>10&&(e=10);let s;this.drag!==void 0&&this.drag.dragging===!0&&(s=this.canvas.DOMtoCanvas(this.drag.pointer));let o=this.body.view.translation,r=e/i,a=(1-r)*t.x+o.x*r,d=(1-r)*t.y+o.y*r;if(this.body.view.scale=e,this.body.view.translation={x:a,y:d},s!=null){let h=this.canvas.canvasToDOM(s);this.drag.pointer.x=h.x,this.drag.pointer.y=h.y}this.body.emitter.emit("_requestRedraw"),i<e?this.body.emitter.emit("zoom",{direction:"+",scale:this.body.view.scale,pointer:t}):this.body.emitter.emit("zoom",{direction:"-",scale:this.body.view.scale,pointer:t})}}onMouseWheel(e){if(this.options.zoomView===!0){if(e.deltaY!==0){let t=this.body.view.scale;t*=1+(e.deltaY<0?1:-1)*(this.options.zoomSpeed*.1);let i=this.getPointer({x:e.clientX,y:e.clientY});this.zoom(t,i)}e.preventDefault()}}onMouseMove(e){let t=this.getPointer({x:e.clientX,y:e.clientY}),i=!1;this.popup!==void 0&&(this.popup.hidden===!1&&this._checkHidePopup(t),this.popup.hidden===!1&&(i=!0,this.popup.setPosition(t.x+3,t.y-5),this.popup.show())),this.options.keyboard.autoFocus&&this.options.keyboard.bindToWindow===!1&&this.options.keyboard.enabled===!0&&this.canvas.frame.focus(),i===!1&&(this.popupTimer!==void 0&&(clearInterval(this.popupTimer),this.popupTimer=void 0),this.drag.dragging||(this.popupTimer=setTimeout(()=>this._checkShowPopup(t),this.options.tooltipDelay))),this.options.hover===!0&&this.selectionHandler.hoverObject(e,t)}_checkShowPopup(e){let t=this.canvas._XconvertDOMtoCanvas(e.x),i=this.canvas._YconvertDOMtoCanvas(e.y),s={left:t,top:i,right:t,bottom:i},o=this.popupObj===void 0?void 0:this.popupObj.id,r=!1,a="node";if(this.popupObj===void 0){let d=this.body.nodeIndices,h=this.body.nodes,l,c=[];for(let u=0;u<d.length;u++)l=h[d[u]],l.isOverlappingWith(s)===!0&&(r=!0,l.getTitle()!==void 0&&c.push(d[u]));c.length>0&&(this.popupObj=h[c[c.length-1]],r=!0)}if(this.popupObj===void 0&&r===!1){let d=this.body.edgeIndices,h=this.body.edges,l,c=[];for(let u=0;u<d.length;u++)l=h[d[u]],l.isOverlappingWith(s)===!0&&l.connected===!0&&l.getTitle()!==void 0&&c.push(d[u]);c.length>0&&(this.popupObj=h[c[c.length-1]],a="edge")}this.popupObj!==void 0?this.popupObj.id!==o&&(this.popup===void 0&&(this.popup=new Ws(this.canvas.frame)),this.popup.popupTargetType=a,this.popup.popupTargetId=this.popupObj.id,this.popup.setPosition(e.x+3,e.y-5),this.popup.setText(this.popupObj.getTitle()),this.popup.show(),this.body.emitter.emit("showPopup",this.popupObj.id)):this.popup!==void 0&&(this.popup.hide(),this.body.emitter.emit("hidePopup"))}_checkHidePopup(e){let t=this.selectionHandler._pointerToPositionObject(e),i=!1;if(this.popup.popupTargetType==="node"){if(this.body.nodes[this.popup.popupTargetId]!==void 0&&(i=this.body.nodes[this.popup.popupTargetId].isOverlappingWith(t),i===!0)){let s=this.selectionHandler.getNodeAt(e);i=s===void 0?!1:s.id===this.popup.popupTargetId}}else this.selectionHandler.getNodeAt(e)===void 0&&this.body.edges[this.popup.popupTargetId]!==void 0&&(i=this.body.edges[this.popup.popupTargetId].isOverlappingWith(t));i===!1&&(this.popupObj=void 0,this.popup.hide(),this.body.emitter.emit("hidePopup"))}};function R(n,e,t,i){if(t==="a"&&!i)throw new TypeError("Private accessor was defined without a getter");if(typeof e=="function"?n!==e||!i:!e.has(n))throw new TypeError("Cannot read private member from an object whose class did not declare it");return t==="m"?i:t==="a"?i.call(n):i?i.value:e.get(n)}function Bi(n,e,t,i,s){if(i==="m")throw new TypeError("Private method is not writable");if(i==="a"&&!s)throw new TypeError("Private accessor was defined without a setter");if(typeof e=="function"?n!==e||!s:!e.has(n))throw new TypeError("Cannot write private member to an object whose class did not declare it");return i==="a"?s.call(n,t):s?s.value=t:e.set(n,t),t}typeof SuppressedError=="function"&&SuppressedError;var Xe,ae,Fe,Ne,$t;function en(n,e){let t=new Set;for(let i of e)n.has(i)||t.add(i);return t}var Ai=class{constructor(){Xe.set(this,new Set),ae.set(this,new Set)}get size(){return R(this,ae,"f").size}add(...e){for(let t of e)R(this,ae,"f").add(t)}delete(...e){for(let t of e)R(this,ae,"f").delete(t)}clear(){R(this,ae,"f").clear()}getSelection(){return[...R(this,ae,"f")]}getChanges(){return{added:[...en(R(this,Xe,"f"),R(this,ae,"f"))],deleted:[...en(R(this,ae,"f"),R(this,Xe,"f"))],previous:[...new Set(R(this,Xe,"f"))],current:[...new Set(R(this,ae,"f"))]}}commit(){let e=this.getChanges();Bi(this,Xe,R(this,ae,"f"),"f"),Bi(this,ae,new Set(R(this,Xe,"f")),"f");for(let t of e.added)t.select();for(let t of e.deleted)t.unselect();return e}};Xe=new WeakMap,ae=new WeakMap;var tn=class{constructor(e=()=>{}){Fe.set(this,new Ai),Ne.set(this,new Ai),$t.set(this,void 0),Bi(this,$t,e,"f")}get sizeNodes(){return R(this,Fe,"f").size}get sizeEdges(){return R(this,Ne,"f").size}getNodes(){return R(this,Fe,"f").getSelection()}getEdges(){return R(this,Ne,"f").getSelection()}addNodes(...e){R(this,Fe,"f").add(...e)}addEdges(...e){R(this,Ne,"f").add(...e)}deleteNodes(e){R(this,Fe,"f").delete(e)}deleteEdges(e){R(this,Ne,"f").delete(e)}clear(){R(this,Fe,"f").clear(),R(this,Ne,"f").clear()}commit(...e){let t={nodes:R(this,Fe,"f").commit(),edges:R(this,Ne,"f").commit()};return R(this,$t,"f").call(this,t,...e),t}};Fe=new WeakMap,Ne=new WeakMap,$t=new WeakMap;var sn=class{constructor(e,t){this.body=e,this.canvas=t,this._selectionAccumulator=new tn,this.hoverObj={nodes:{},edges:{}},this.options={},this.defaultOptions={multiselect:!1,selectable:!0,selectConnectedEdges:!0,hoverConnectedEdges:!0},Object.assign(this.options,this.defaultOptions),this.body.emitter.on("_dataChanged",()=>{this.updateSelection()})}setOptions(e){e!==void 0&&qe(["multiselect","hoverConnectedEdges","selectable","selectConnectedEdges"],this.options,e)}selectOnPoint(e){let t=!1;if(this.options.selectable===!0){let i=this.getNodeAt(e)||this.getEdgeAt(e);this.unselectAll(),i!==void 0&&(t=this.selectObject(i)),this.body.emitter.emit("_requestRedraw")}return t}selectAdditionalOnPoint(e){let t=!1;if(this.options.selectable===!0){let i=this.getNodeAt(e)||this.getEdgeAt(e);i!==void 0&&(t=!0,i.isSelected()===!0?this.deselectObject(i):this.selectObject(i),this.body.emitter.emit("_requestRedraw"))}return t}_initBaseEvent(e,t){let i={};return i.pointer={DOM:{x:t.x,y:t.y},canvas:this.canvas.DOMtoCanvas(t)},i.event=e,i}generateClickEvent(e,t,i,s,o=!1){let r=this._initBaseEvent(t,i);if(o===!0)r.nodes=[],r.edges=[];else{let a=this.getSelection();r.nodes=a.nodes,r.edges=a.edges}s!==void 0&&(r.previousSelection=s),e=="click"&&(r.items=this.getClickedItems(i)),t.controlEdge!==void 0&&(r.controlEdge=t.controlEdge),this.body.emitter.emit(e,r)}selectObject(e,t=this.options.selectConnectedEdges){return e!==void 0?(e instanceof L?(t===!0&&this._selectionAccumulator.addEdges(...e.edges),this._selectionAccumulator.addNodes(e)):this._selectionAccumulator.addEdges(e),!0):!1}deselectObject(e){e.isSelected()===!0&&(e.selected=!1,this._removeFromSelection(e))}_getAllNodesOverlappingWith(e){let t=[],i=this.body.nodes;for(let s=0;s<this.body.nodeIndices.length;s++){let o=this.body.nodeIndices[s];i[o].isOverlappingWith(e)&&t.push(o)}return t}_pointerToPositionObject(e){let t=this.canvas.DOMtoCanvas(e);return{left:t.x-1,top:t.y+1,right:t.x+1,bottom:t.y-1}}getNodeAt(e,t=!0){let i=this._pointerToPositionObject(e),s=this._getAllNodesOverlappingWith(i);if(s.length>0)return t===!0?this.body.nodes[s[s.length-1]]:s[s.length-1]}_getEdgesOverlappingWith(e,t){let i=this.body.edges;for(let s=0;s<this.body.edgeIndices.length;s++){let o=this.body.edgeIndices[s];i[o].isOverlappingWith(e)&&t.push(o)}}_getAllEdgesOverlappingWith(e){let t=[];return this._getEdgesOverlappingWith(e,t),t}getEdgeAt(e,t=!0){let i=this.canvas.DOMtoCanvas(e),s=10,o=null,r=this.body.edges;for(let a=0;a<this.body.edgeIndices.length;a++){let d=this.body.edgeIndices[a],h=r[d];if(h.connected){let l=h.from.x,c=h.from.y,u=h.to.x,f=h.to.y,m=h.edgeType.getDistanceToEdge(l,c,u,f,i.x,i.y);m<s&&(o=d,s=m)}}if(o!==null)return t===!0?this.body.edges[o]:o}_addToHover(e){e instanceof L?this.hoverObj.nodes[e.id]=e:this.hoverObj.edges[e.id]=e}_removeFromSelection(e){e instanceof L?(this._selectionAccumulator.deleteNodes(e),this._selectionAccumulator.deleteEdges(...e.edges)):this._selectionAccumulator.deleteEdges(e)}unselectAll(){this._selectionAccumulator.clear()}getSelectedNodeCount(){return this._selectionAccumulator.sizeNodes}getSelectedEdgeCount(){return this._selectionAccumulator.sizeEdges}_hoverConnectedEdges(e){for(let t=0;t<e.edges.length;t++){let i=e.edges[t];i.hover=!0,this._addToHover(i)}}emitBlurEvent(e,t,i){let s=this._initBaseEvent(e,t);i.hover===!0&&(i.hover=!1,i instanceof L?(s.node=i.id,this.body.emitter.emit("blurNode",s)):(s.edge=i.id,this.body.emitter.emit("blurEdge",s)))}emitHoverEvent(e,t,i){let s=this._initBaseEvent(e,t),o=!1;return i.hover===!1&&(i.hover=!0,this._addToHover(i),o=!0,i instanceof L?(s.node=i.id,this.body.emitter.emit("hoverNode",s)):(s.edge=i.id,this.body.emitter.emit("hoverEdge",s))),o}hoverObject(e,t){let i=this.getNodeAt(t);i===void 0&&(i=this.getEdgeAt(t));let s=!1;for(let o in this.hoverObj.nodes)Object.prototype.hasOwnProperty.call(this.hoverObj.nodes,o)&&(i===void 0||i instanceof L&&i.id!=o||i instanceof Te)&&(this.emitBlurEvent(e,t,this.hoverObj.nodes[o]),delete this.hoverObj.nodes[o],s=!0);for(let o in this.hoverObj.edges)Object.prototype.hasOwnProperty.call(this.hoverObj.edges,o)&&(s===!0?(this.hoverObj.edges[o].hover=!1,delete this.hoverObj.edges[o]):(i===void 0||i instanceof Te&&i.id!=o||i instanceof L&&!i.hover)&&(this.emitBlurEvent(e,t,this.hoverObj.edges[o]),delete this.hoverObj.edges[o],s=!0));if(i!==void 0){let o=Object.keys(this.hoverObj.edges).length,r=Object.keys(this.hoverObj.nodes).length,a=i instanceof Te&&o===0&&r===0,d=i instanceof L&&o===0&&r===0;(s||a||d)&&(s=this.emitHoverEvent(e,t,i)),i instanceof L&&this.options.hoverConnectedEdges===!0&&this._hoverConnectedEdges(i)}s===!0&&this.body.emitter.emit("_requestRedraw")}commitWithoutEmitting(){this._selectionAccumulator.commit()}commitAndEmit(e,t){let i=!1,s=this._selectionAccumulator.commit(),o={nodes:s.nodes.previous,edges:s.edges.previous};s.edges.deleted.length>0&&(this.generateClickEvent("deselectEdge",t,e,o),i=!0),s.nodes.deleted.length>0&&(this.generateClickEvent("deselectNode",t,e,o),i=!0),s.nodes.added.length>0&&(this.generateClickEvent("selectNode",t,e),i=!0),s.edges.added.length>0&&(this.generateClickEvent("selectEdge",t,e),i=!0),i===!0&&this.generateClickEvent("select",t,e)}getSelection(){return{nodes:this.getSelectedNodeIds(),edges:this.getSelectedEdgeIds()}}getSelectedNodes(){return this._selectionAccumulator.getNodes()}getSelectedEdges(){return this._selectionAccumulator.getEdges()}getSelectedNodeIds(){return this._selectionAccumulator.getNodes().map(e=>e.id)}getSelectedEdgeIds(){return this._selectionAccumulator.getEdges().map(e=>e.id)}setSelection(e,t={}){if(!e||!e.nodes&&!e.edges)throw new TypeError("Selection must be an object with nodes and/or edges properties");if((t.unselectAll||t.unselectAll===void 0)&&this.unselectAll(),e.nodes)for(let i of e.nodes){let s=this.body.nodes[i];if(!s)throw new RangeError('Node with id "'+i+'" not found');this.selectObject(s,t.highlightEdges)}if(e.edges)for(let i of e.edges){let s=this.body.edges[i];if(!s)throw new RangeError('Edge with id "'+i+'" not found');this.selectObject(s)}this.body.emitter.emit("_requestRedraw"),this._selectionAccumulator.commit()}selectNodes(e,t=!0){if(!e||e.length===void 0)throw"Selection must be an array with ids";this.setSelection({nodes:e},{highlightEdges:t})}selectEdges(e){if(!e||e.length===void 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this.fake_use(e),this.abstract()}sort(e){this.fake_use(e),this.abstract()}fix(e,t){this.fake_use(e,t),this.abstract()}shift(e,t){this.fake_use(e,t),this.abstract()}},on=class extends zi{constructor(e){super();this.layout=e}curveType(){return"horizontal"}getPosition(e){return e.x}setPosition(e,t,i=void 0){i!==void 0&&this.layout.hierarchical.addToOrdering(e,i),e.x=t}getTreeSize(e){let t=this.layout.hierarchical.getTreeSize(this.layout.body.nodes,e);return{min:t.min_x,max:t.max_x}}sort(e){e.sort(function(t,i){return t.x-i.x})}fix(e,t){e.y=this.layout.options.hierarchical.levelSeparation*t,e.options.fixed.y=!0}shift(e,t){this.layout.body.nodes[e].x+=t}},nn=class extends zi{constructor(e){super();this.layout=e}curveType(){return"vertical"}getPosition(e){return e.y}setPosition(e,t,i=void 0){i!==void 0&&this.layout.hierarchical.addToOrdering(e,i),e.y=t}getTreeSize(e){let t=this.layout.hierarchical.getTreeSize(this.layout.body.nodes,e);return{min:t.min_y,max:t.max_y}}sort(e){e.sort(function(t,i){return t.y-i.y})}fix(e,t){e.x=this.layout.options.hierarchical.levelSeparation*t,e.options.fixed.x=!0}shift(e,t){this.layout.body.nodes[e].y+=t}};function xa(n,e){let t=new Set;return n.forEach(i=>{i.edges.forEach(s=>{s.connected&&t.add(s)})}),t.forEach(i=>{let s=i.from.id,o=i.to.id;e[s]==null&&(e[s]=0),(e[o]==null||e[s]>=e[o])&&(e[o]=e[s]+1)}),e}function Ca(n){return rn(e=>e.edges.filter(t=>n.has(t.toId)).every(t=>t.to===e),(e,t)=>t>e,"from",n)}function Ta(n){return rn(e=>e.edges.filter(t=>n.has(t.toId)).every(t=>t.from===e),(e,t)=>t<e,"to",n)}function rn(n,e,t,i){let s=Object.create(null),o=[...i.values()].reduce((d,h)=>d+1+h.edges.length,0),r=t+"Id",a=t==="to"?1:-1;for(let[d,h]of i){if(!i.has(d)||!n(h))continue;s[d]=0;let l=[h],c=0,u;for(;u=l.pop();){if(!i.has(d))continue;let f=s[u.id]+a;if(u.edges.filter(m=>m.connected&&m.to!==m.from&&m[t]!==u&&i.has(m.toId)&&i.has(m.fromId)).forEach(m=>{let v=m[r],p=s[v];(p==null||e(f,p))&&(s[v]=f,l.push(m[t]))}),c>o)return xa(i,s);++c}}return s}var an=class{constructor(){this.childrenReference={},this.parentReference={},this.trees={},this.distributionOrdering={},this.levels={},this.distributionIndex={},this.isTree=!1,this.treeIndex=-1}addRelation(e,t){this.childrenReference[e]===void 0&&(this.childrenReference[e]=[]),this.childrenReference[e].push(t),this.parentReference[t]===void 0&&(this.parentReference[t]=[]),this.parentReference[t].push(e)}checkIfTree(){for(let e in this.parentReference)if(this.parentReference[e].length>1){this.isTree=!1;return}this.isTree=!0}numTrees(){return this.treeIndex+1}setTreeIndex(e,t){t!==void 0&&this.trees[e.id]===void 0&&(this.trees[e.id]=t,this.treeIndex=Math.max(t,this.treeIndex))}ensureLevel(e){this.levels[e]===void 0&&(this.levels[e]=0)}getMaxLevel(e){let t={},i=s=>{if(t[s]!==void 0)return t[s];let o=this.levels[s];if(this.childrenReference[s]){let r=this.childrenReference[s];if(r.length>0)for(let a=0;a<r.length;a++)o=Math.max(o,i(r[a]))}return t[s]=o,o};return i(e)}levelDownstream(e,t){this.levels[t.id]===void 0&&(this.levels[e.id]===void 0&&(this.levels[e.id]=0),this.levels[t.id]=this.levels[e.id]+1)}setMinLevelToZero(e){let t=1e9;for(let i in e)Object.prototype.hasOwnProperty.call(e,i)&&this.levels[i]!==void 0&&(t=Math.min(this.levels[i],t));for(let i in e)Object.prototype.hasOwnProperty.call(e,i)&&this.levels[i]!==void 0&&(this.levels[i]-=t)}getTreeSize(e,t){let i=1e9,s=-1e9,o=1e9,r=-1e9;for(let a in this.trees)if(Object.prototype.hasOwnProperty.call(this.trees,a)&&this.trees[a]===t){let d=e[a];i=Math.min(d.x,i),s=Math.max(d.x,s),o=Math.min(d.y,o),r=Math.max(d.y,r)}return{min_x:i,max_x:s,min_y:o,max_y:r}}hasSameParent(e,t){let i=this.parentReference[e.id],s=this.parentReference[t.id];if(i===void 0||s===void 0)return!1;for(let o=0;o<i.length;o++)for(let r=0;r<s.length;r++)if(i[o]==s[r])return!0;return!1}inSameSubNetwork(e,t){return this.trees[e.id]===this.trees[t.id]}getLevels(){return Object.keys(this.distributionOrdering)}addToOrdering(e,t){this.distributionOrdering[t]===void 0&&(this.distributionOrdering[t]=[]);let i=!1,s=this.distributionOrdering[t];for(let o in s)if(s[o]===e){i=!0;break}i||(this.distributionOrdering[t].push(e),this.distributionIndex[e.id]=this.distributionOrdering[t].length-1)}},dn=class{constructor(e){this.body=e,this._resetRNG(Math.random()+":"+Date.now()),this.setPhysics=!1,this.options={},this.optionsBackup={physics:{}},this.defaultOptions={randomSeed:void 0,improvedLayout:!0,clusterThreshold:150,hierarchical:{enabled:!1,levelSeparation:150,nodeSpacing:100,treeSpacing:200,blockShifting:!0,edgeMinimization:!0,parentCentralization:!0,direction:"UD",sortMethod:"hubsize"}},Object.assign(this.options,this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("_dataChanged",()=>{this.setupHierarchicalLayout()}),this.body.emitter.on("_dataLoaded",()=>{this.layoutNetwork()}),this.body.emitter.on("_resetHierarchicalLayout",()=>{this.setupHierarchicalLayout()}),this.body.emitter.on("_adjustEdgesForHierarchicalLayout",()=>{if(this.options.hierarchical.enabled!==!0)return;let e=this.direction.curveType();this.body.emitter.emit("_forceDisableDynamicCurves",e,!1)})}setOptions(e,t){if(e!==void 0){let i=this.options.hierarchical,s=i.enabled;if(qe(["randomSeed","improvedLayout","clusterThreshold"],this.options,e),oe(this.options,e,"hierarchical"),e.randomSeed!==void 0&&this._resetRNG(e.randomSeed),i.enabled===!0)return s===!0&&this.body.emitter.emit("refresh",!0),i.direction==="RL"||i.direction==="DU"?i.levelSeparation>0&&(i.levelSeparation*=-1):i.levelSeparation<0&&(i.levelSeparation*=-1),this.setDirectionStrategy(),this.body.emitter.emit("_resetHierarchicalLayout"),this.adaptAllOptionsForHierarchicalLayout(t);if(s===!0)return this.body.emitter.emit("refresh"),B(t,this.optionsBackup)}return t}_resetRNG(e){this.initialRandomSeed=e,this._rng=yt(this.initialRandomSeed)}adaptAllOptionsForHierarchicalLayout(e){if(this.options.hierarchical.enabled===!0){let t=this.optionsBackup.physics;e.physics===void 0||e.physics===!0?(e.physics={enabled:t.enabled===void 0?!0:t.enabled,solver:"hierarchicalRepulsion"},t.enabled=t.enabled===void 0?!0:t.enabled,t.solver=t.solver||"barnesHut"):typeof e.physics=="object"?(t.enabled=e.physics.enabled===void 0?!0:e.physics.enabled,t.solver=e.physics.solver||"barnesHut",e.physics.solver="hierarchicalRepulsion"):e.physics!==!1&&(t.solver="barnesHut",e.physics={solver:"hierarchicalRepulsion"});let i=this.direction.curveType();if(e.edges===void 0)this.optionsBackup.edges={smooth:{enabled:!0,type:"dynamic"}},e.edges={smooth:!1};else if(e.edges.smooth===void 0)this.optionsBackup.edges={smooth:{enabled:!0,type:"dynamic"}},e.edges.smooth=!1;else if(typeof e.edges.smooth=="boolean")this.optionsBackup.edges={smooth:e.edges.smooth},e.edges.smooth={enabled:e.edges.smooth,type:i};else{let s=e.edges.smooth;s.type!==void 0&&s.type!=="dynamic"&&(i=s.type),this.optionsBackup.edges={smooth:{enabled:s.enabled===void 0?!0:s.enabled,type:s.type===void 0?"dynamic":s.type,roundness:s.roundness===void 0?.5:s.roundness,forceDirection:s.forceDirection===void 0?!1:s.forceDirection}},e.edges.smooth={enabled:s.enabled===void 0?!0:s.enabled,type:i,roundness:s.roundness===void 0?.5:s.roundness,forceDirection:s.forceDirection===void 0?!1:s.forceDirection}}this.body.emitter.emit("_forceDisableDynamicCurves",i)}return e}positionInitially(e){if(this.options.hierarchical.enabled!==!0){this._resetRNG(this.initialRandomSeed);let t=e.length+50;for(let i=0;i<e.length;i++){let s=e[i],o=2*Math.PI*this._rng();s.x===void 0&&(s.x=t*Math.cos(o)),s.y===void 0&&(s.y=t*Math.sin(o))}}}layoutNetwork(){if(this.options.hierarchical.enabled!==!0&&this.options.improvedLayout===!0){let e=this.body.nodeIndices,t=0;for(let i=0;i<e.length;i++)this.body.nodes[e[i]].predefinedPosition===!0&&(t+=1);if(t<.5*e.length){let i=10,s=0,o=this.options.clusterThreshold,r={clusterNodeProperties:{shape:"ellipse",label:"",group:"",font:{multi:!1}},clusterEdgeProperties:{label:"",font:{multi:!1},smooth:{enabled:!1}}};if(e.length>o){let d=e.length;for(;e.length>o&&s<=i;){s+=1;let h=e.length;s%3==0?this.body.modules.clustering.clusterBridges(r):this.body.modules.clustering.clusterOutliers(r);let l=e.length;if(h==l&&s%3!=0){this._declusterAll(),this.body.emitter.emit("_layoutFailed"),console.info("This network could not be positioned by this version of the improved layout algorithm. Please disable improvedLayout for better performance.");return}}this.body.modules.kamadaKawai.setOptions({springLength:Math.max(150,2*d)})}s>i&&console.info("The clustering didn't succeed within the amount of interations allowed, progressing with partial result."),this.body.modules.kamadaKawai.solve(e,this.body.edgeIndices,!0),this._shiftToCenter();let a=70;for(let d=0;d<e.length;d++){let h=this.body.nodes[e[d]];h.predefinedPosition===!1&&(h.x+=(.5-this._rng())*a,h.y+=(.5-this._rng())*a)}this._declusterAll(),this.body.emitter.emit("_repositionBezierNodes")}}}_shiftToCenter(){let e=K.getRangeCore(this.body.nodes,this.body.nodeIndices),t=K.findCenter(e);for(let i=0;i<this.body.nodeIndices.length;i++){let s=this.body.nodes[this.body.nodeIndices[i]];s.x-=t.x,s.y-=t.y}}_declusterAll(){let e=!0;for(;e===!0;){e=!1;for(let t=0;t<this.body.nodeIndices.length;t++)this.body.nodes[this.body.nodeIndices[t]].isCluster===!0&&(e=!0,this.body.modules.clustering.openCluster(this.body.nodeIndices[t],{},!1));e===!0&&this.body.emitter.emit("_dataChanged")}}getSeed(){return this.initialRandomSeed}setupHierarchicalLayout(){if(this.options.hierarchical.enabled===!0&&this.body.nodeIndices.length>0){let e,t,i=!1,s=!1;this.lastNodeOnLevel={},this.hierarchical=new an;for(t in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,t)&&(e=this.body.nodes[t],e.options.level!==void 0?(i=!0,this.hierarchical.levels[t]=e.options.level):s=!0);if(s===!0&&i===!0)throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes.");{if(s===!0){let r=this.options.hierarchical.sortMethod;r==="hubsize"?this._determineLevelsByHubsize():r==="directed"?this._determineLevelsDirected():r==="custom"&&this._determineLevelsCustomCallback()}for(let r in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,r)&&this.hierarchical.ensureLevel(r);let o=this._getDistribution();this._generateMap(),this._placeNodesByHierarchy(o),this._condenseHierarchy(),this._shiftToCenter()}}}_condenseHierarchy(){let e=!1,t={},i=()=>{let p=o(),b=0;for(let x=0;x<p.length-1;x++)b+=p[x].max-p[x+1].min+this.options.hierarchical.treeSpacing,s(x+1,b)},s=(p,b)=>{let x=this.hierarchical.trees;for(let T in x)Object.prototype.hasOwnProperty.call(x,T)&&x[T]===p&&this.direction.shift(T,b)},o=()=>{let p=[];for(let b=0;b<this.hierarchical.numTrees();b++)p.push(this.direction.getTreeSize(b));return p},r=(p,b)=>{if(!b[p.id]&&(b[p.id]=!0,this.hierarchical.childrenReference[p.id])){let x=this.hierarchical.childrenReference[p.id];if(x.length>0)for(let T=0;T<x.length;T++)r(this.body.nodes[x[T]],b)}},a=(p,b=1e9)=>{let x=1e9,T=1e9,y=1e9,_=-1e9;for(let C in p)if(Object.prototype.hasOwnProperty.call(p,C)){let P=this.body.nodes[C],I=this.hierarchical.levels[P.id],N=this.direction.getPosition(P),[q,ke]=this._getSpaceAroundNode(P,p);x=Math.min(q,x),T=Math.min(ke,T),I<=b&&(y=Math.min(N,y),_=Math.max(N,_))}return[y,_,x,T]},d=(p,b)=>{let x=this.hierarchical.getMaxLevel(p.id),T=this.hierarchical.getMaxLevel(b.id);return Math.min(x,T)},h=(p,b,x)=>{let T=this.hierarchical;for(let y=0;y<b.length;y++){let _=b[y],C=T.distributionOrdering[_];if(C.length>1)for(let P=0;P<C.length-1;P++){let I=C[P],N=C[P+1];T.hasSameParent(I,N)&&T.inSameSubNetwork(I,N)&&p(I,N,x)}}},l=(p,b,x=!1)=>{let T=this.direction.getPosition(p),y=this.direction.getPosition(b),_=Math.abs(y-T),C=this.options.hierarchical.nodeSpacing;if(_>C){let P={},I={};r(p,P),r(b,I);let N=d(p,b),q=a(P,N),ke=a(I,N),Ge=q[1],Oe=ke[0],W=ke[2];if(Math.abs(Ge-Oe)>C){let A=Ge-Oe+C;A<-W+C&&(A=-W+C),A<0&&(this._shiftBlock(b.id,A),e=!0,x===!0&&this._centerParent(b))}}},c=(p,b)=>{let x=b.id,T=b.edges,y=this.hierarchical.levels[b.id],_=this.options.hierarchical.levelSeparation*this.options.hierarchical.levelSeparation,C={},P=[];for(let W=0;W<T.length;W++){let F=T[W];if(F.toId!=F.fromId){let A=F.toId==x?F.from:F.to;C[T[W].id]=A,this.hierarchical.levels[A.id]<y&&P.push(F)}}let I=(W,F)=>{let A=0;for(let X=0;X<F.length;X++)if(C[F[X].id]!==void 0){let $=this.direction.getPosition(C[F[X].id])-W;A+=$/Math.sqrt($*$+_)}return A},N=(W,F)=>{let A=0;for(let X=0;X<F.length;X++)if(C[F[X].id]!==void 0){let $=this.direction.getPosition(C[F[X].id])-W;A-=_*Math.pow($*$+_,-1.5)}return A},q=(W,F)=>{let A=this.direction.getPosition(b),X={};for(let $=0;$<W;$++){let he=I(A,F),Ke=N(A,F),ot=40,yn=Math.max(-ot,Math.min(ot,Math.round(he/Ke)));if(A=A-yn,X[A]!==void 0)break;X[A]=$}return A},ke=W=>{let F=this.direction.getPosition(b);if(t[b.id]===void 0){let ot={};r(b,ot),t[b.id]=ot}let A=a(t[b.id]),X=A[2],$=A[3],he=W-F,Ke=0;he>0?Ke=Math.min(he,$-this.options.hierarchical.nodeSpacing):he<0&&(Ke=-Math.min(-he,X-this.options.hierarchical.nodeSpacing)),Ke!=0&&(this._shiftBlock(b.id,Ke),e=!0)},Ge=W=>{let F=this.direction.getPosition(b),[A,X]=this._getSpaceAroundNode(b),$=W-F,he=F;$>0?he=Math.min(F+(X-this.options.hierarchical.nodeSpacing),W):$<0&&(he=Math.max(F-(A-this.options.hierarchical.nodeSpacing),W)),he!==F&&(this.direction.setPosition(b,he),e=!0)},Oe=q(p,P);ke(Oe),Oe=q(p,T),Ge(Oe)},u=p=>{let b=this.hierarchical.getLevels();b=b.reverse();for(let x=0;x<p;x++){e=!1;for(let T=0;T<b.length;T++){let y=b[T],_=this.hierarchical.distributionOrdering[y];for(let C=0;C<_.length;C++)c(1e3,_[C])}if(e!==!0)break}},f=p=>{let b=this.hierarchical.getLevels();b=b.reverse();for(let x=0;x<p&&(e=!1,h(l,b,!0),e===!0);x++);},m=()=>{for(let p in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,p)&&this._centerParent(this.body.nodes[p])},v=()=>{let p=this.hierarchical.getLevels();p=p.reverse();for(let b=0;b<p.length;b++){let x=p[b],T=this.hierarchical.distributionOrdering[x];for(let y=0;y<T.length;y++)this._centerParent(T[y])}};this.options.hierarchical.blockShifting===!0&&(f(5),m()),this.options.hierarchical.edgeMinimization===!0&&u(20),this.options.hierarchical.parentCentralization===!0&&v(),i()}_getSpaceAroundNode(e,t){let i=!0;t===void 0&&(i=!1);let s=this.hierarchical.levels[e.id];if(s!==void 0){let o=this.hierarchical.distributionIndex[e.id],r=this.direction.getPosition(e),a=this.hierarchical.distributionOrdering[s],d=1e9,h=1e9;if(o!==0){let l=a[o-1];if(i===!0&&t[l.id]===void 0||i===!1){let c=this.direction.getPosition(l);d=r-c}}if(o!=a.length-1){let l=a[o+1];if(i===!0&&t[l.id]===void 0||i===!1){let c=this.direction.getPosition(l);h=Math.min(h,c-r)}}return[d,h]}else return[0,0]}_centerParent(e){if(this.hierarchical.parentReference[e.id]){let t=this.hierarchical.parentReference[e.id];for(let i=0;i<t.length;i++){let s=t[i],o=this.body.nodes[s],r=this.hierarchical.childrenReference[s];if(r!==void 0){let a=this._getCenterPosition(r),d=this.direction.getPosition(o),[h,l]=this._getSpaceAroundNode(o),c=d-a;(c<0&&Math.abs(c)<l-this.options.hierarchical.nodeSpacing||c>0&&Math.abs(c)<h-this.options.hierarchical.nodeSpacing)&&this.direction.setPosition(o,a)}}}}_placeNodesByHierarchy(e){this.positionedNodes={};for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)){let i=Object.keys(e[t]);i=this._indexArrayToNodes(i),this.direction.sort(i);let s=0;for(let o=0;o<i.length;o++){let r=i[o];if(this.positionedNodes[r.id]===void 0){let a=this.options.hierarchical.nodeSpacing,d=a*s;s>0&&(d=this.direction.getPosition(i[o-1])+a),this.direction.setPosition(r,d,t),this._validatePositionAndContinue(r,t,d),s++}}}}_placeBranchNodes(e,t){let i=this.hierarchical.childrenReference[e];if(i===void 0)return;let s=[];for(let r=0;r<i.length;r++)s.push(this.body.nodes[i[r]]);this.direction.sort(s);for(let r=0;r<s.length;r++){let a=s[r],d=this.hierarchical.levels[a.id];if(d>t&&this.positionedNodes[a.id]===void 0){let h=this.options.hierarchical.nodeSpacing,l;r===0?l=this.direction.getPosition(this.body.nodes[e]):l=this.direction.getPosition(s[r-1])+h,this.direction.setPosition(a,l,d),this._validatePositionAndContinue(a,d,l)}else return}let o=this._getCenterPosition(s);this.direction.setPosition(this.body.nodes[e],o,t)}_validatePositionAndContinue(e,t,i){if(!!this.hierarchical.isTree){if(this.lastNodeOnLevel[t]!==void 0){let s=this.direction.getPosition(this.body.nodes[this.lastNodeOnLevel[t]]);if(i-s<this.options.hierarchical.nodeSpacing){let o=s+this.options.hierarchical.nodeSpacing-i,r=this._findCommonParent(this.lastNodeOnLevel[t],e.id);this._shiftBlock(r.withChild,o)}}this.lastNodeOnLevel[t]=e.id,this.positionedNodes[e.id]=!0,this._placeBranchNodes(e.id,t)}}_indexArrayToNodes(e){let t=[];for(let i=0;i<e.length;i++)t.push(this.body.nodes[e[i]]);return t}_getDistribution(){let e={},t,i;for(t in this.body.nodes)if(Object.prototype.hasOwnProperty.call(this.body.nodes,t)){i=this.body.nodes[t];let s=this.hierarchical.levels[t]===void 0?0:this.hierarchical.levels[t];this.direction.fix(i,s),e[s]===void 0&&(e[s]={}),e[s][t]=i}return e}_getActiveEdges(e){let t=[];return M(e.edges,i=>{this.body.edgeIndices.indexOf(i.id)!==-1&&t.push(i)}),t}_getHubSizes(){let e={},t=this.body.nodeIndices;M(t,s=>{let o=this.body.nodes[s],r=this._getActiveEdges(o).length;e[r]=!0});let i=[];return M(e,s=>{i.push(Number(s))}),i.sort(function(s,o){return o-s}),i}_determineLevelsByHubsize(){let e=(i,s)=>{this.hierarchical.levelDownstream(i,s)},t=this._getHubSizes();for(let i=0;i<t.length;++i){let s=t[i];if(s===0)break;M(this.body.nodeIndices,o=>{let r=this.body.nodes[o];s===this._getActiveEdges(r).length&&this._crawlNetwork(e,o)})}}_determineLevelsCustomCallback(){let e=1e5,t=function(s,o,r){},i=(s,o,r)=>{let a=this.hierarchical.levels[s.id];a===void 0&&(a=this.hierarchical.levels[s.id]=e);let d=t(K.cloneOptions(s,"node"),K.cloneOptions(o,"node"),K.cloneOptions(r,"edge"));this.hierarchical.levels[o.id]=a+d};this._crawlNetwork(i),this.hierarchical.setMinLevelToZero(this.body.nodes)}_determineLevelsDirected(){let e=this.body.nodeIndices.reduce((t,i)=>(t.set(i,this.body.nodes[i]),t),new Map);this.options.hierarchical.shakeTowards==="roots"?this.hierarchical.levels=Ta(e):this.hierarchical.levels=Ca(e),this.hierarchical.setMinLevelToZero(this.body.nodes)}_generateMap(){let e=(t,i)=>{this.hierarchical.levels[i.id]>this.hierarchical.levels[t.id]&&this.hierarchical.addRelation(t.id,i.id)};this._crawlNetwork(e),this.hierarchical.checkIfTree()}_crawlNetwork(e=function(){},t){let i={},s=(o,r)=>{if(i[o.id]===void 0){this.hierarchical.setTreeIndex(o,r),i[o.id]=!0;let a,d=this._getActiveEdges(o);for(let h=0;h<d.length;h++){let l=d[h];l.connected===!0&&(l.toId==o.id?a=l.from:a=l.to,o.id!=a.id&&(e(o,a,l),s(a,r)))}}};if(t===void 0){let o=0;for(let r=0;r<this.body.nodeIndices.length;r++){let a=this.body.nodeIndices[r];if(i[a]===void 0){let d=this.body.nodes[a];s(d,o),o+=1}}}else{let o=this.body.nodes[t];if(o===void 0){console.error("Node not found:",t);return}s(o)}}_shiftBlock(e,t){let i={},s=o=>{if(i[o])return;i[o]=!0,this.direction.shift(o,t);let r=this.hierarchical.childrenReference[o];if(r!==void 0)for(let a=0;a<r.length;a++)s(r[a])};s(e)}_findCommonParent(e,t){let i={},s=(r,a)=>{let d=this.hierarchical.parentReference[a];if(d!==void 0)for(let h=0;h<d.length;h++){let l=d[h];r[l]=!0,s(r,l)}},o=(r,a)=>{let d=this.hierarchical.parentReference[a];if(d!==void 0)for(let h=0;h<d.length;h++){let l=d[h];if(r[l]!==void 0)return{foundParent:l,withChild:a};let c=o(r,l);if(c.foundParent!==null)return c}return{foundParent:null,withChild:a}};return s(i,e),o(i,t)}setDirectionStrategy(){this.options.hierarchical.direction==="UD"||this.options.hierarchical.direction==="DU"?this.direction=new on(this):this.direction=new nn(this)}_getCenterPosition(e){let t=1e9,i=-1e9;for(let s=0;s<e.length;s++){let o;if(e[s].id!==void 0)o=e[s];else{let a=e[s];o=this.body.nodes[a]}let r=this.direction.getPosition(o);t=Math.min(t,r),i=Math.max(i,r)}return .5*(t+i)}},hn=class{constructor(e,t,i,s){this.body=e,this.canvas=t,this.selectionHandler=i,this.interactionHandler=s,this.editMode=!1,this.manipulationDiv=void 0,this.editModeDiv=void 0,this.closeDiv=void 0,this._domEventListenerCleanupQueue=[],this.temporaryUIFunctions={},this.temporaryEventFunctions=[],this.touchTime=0,this.temporaryIds={nodes:[],edges:[]},this.guiEnabled=!1,this.inMode=!1,this.selectedControlNode=void 0,this.options={},this.defaultOptions={enabled:!1,initiallyActive:!1,addNode:!0,addEdge:!0,editNode:void 0,editEdge:!0,deleteNode:!0,deleteEdge:!0,controlNodeStyle:{shape:"dot",size:6,color:{background:"#ff0000",border:"#3c3c3c",highlight:{background:"#07f968",border:"#3c3c3c"}},borderWidth:2,borderWidthSelected:2}},Object.assign(this.options,this.defaultOptions),this.body.emitter.on("destroy",()=>{this._clean()}),this.body.emitter.on("_dataChanged",this._restore.bind(this)),this.body.emitter.on("_resetData",this._restore.bind(this))}_restore(){this.inMode!==!1&&(this.options.initiallyActive===!0?this.enableEditMode():this.disableEditMode())}setOptions(e,t,i){t!==void 0&&(t.locale!==void 0?this.options.locale=t.locale:this.options.locale=i.locale,t.locales!==void 0?this.options.locales=t.locales:this.options.locales=i.locales),e!==void 0&&(typeof e=="boolean"?this.options.enabled=e:(this.options.enabled=!0,B(this.options,e)),this.options.initiallyActive===!0&&(this.editMode=!0),this._setup())}toggleEditMode(){this.editMode===!0?this.disableEditMode():this.enableEditMode()}enableEditMode(){this.editMode=!0,this._clean(),this.guiEnabled===!0&&(this.manipulationDiv.style.display="block",this.closeDiv.style.display="block",this.editModeDiv.style.display="none",this.showManipulatorToolbar())}disableEditMode(){this.editMode=!1,this._clean(),this.guiEnabled===!0&&(this.manipulationDiv.style.display="none",this.closeDiv.style.display="none",this.editModeDiv.style.display="block",this._createEditButton())}showManipulatorToolbar(){if(this._clean(),this.manipulationDOM={},this.guiEnabled===!0){this.editMode=!0,this.manipulationDiv.style.display="block",this.closeDiv.style.display="block";let e=this.selectionHandler.getSelectedNodeCount(),t=this.selectionHandler.getSelectedEdgeCount(),i=e+t,s=this.options.locales[this.options.locale],o=!1;this.options.addNode!==!1&&(this._createAddNodeButton(s),o=!0),this.options.addEdge!==!1&&(o===!0?this._createSeperator(1):o=!0,this._createAddEdgeButton(s)),e===1&&typeof this.options.editNode=="function"?(o===!0?this._createSeperator(2):o=!0,this._createEditNodeButton(s)):t===1&&e===0&&this.options.editEdge!==!1&&(o===!0?this._createSeperator(3):o=!0,this._createEditEdgeButton(s)),i!==0&&(e>0&&this.options.deleteNode!==!1?(o===!0&&this._createSeperator(4),this._createDeleteButton(s)):e===0&&this.options.deleteEdge!==!1&&(o===!0&&this._createSeperator(4),this._createDeleteButton(s))),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this)),this._temporaryBindEvent("select",this.showManipulatorToolbar.bind(this))}this.body.emitter.emit("_redraw")}addNodeMode(){if(this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="addNode",this.guiEnabled===!0){let e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.addDescription||this.options.locales.en.addDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}this._temporaryBindEvent("click",this._performAddNode.bind(this))}editNode(){this.editMode!==!0&&this.enableEditMode(),this._clean();let e=this.selectionHandler.getSelectedNodes()[0];if(e!==void 0)if(this.inMode="editNode",typeof this.options.editNode=="function")if(e.isCluster!==!0){let t=B({},e.options,!1);if(t.x=e.x,t.y=e.y,this.options.editNode.length===2)this.options.editNode(t,i=>{i!=null&&this.inMode==="editNode"&&this.body.data.nodes.getDataSet().update(i),this.showManipulatorToolbar()});else throw new Error("The function for edit does not support two arguments (data, callback)")}else alert(this.options.locales[this.options.locale].editClusterError||this.options.locales.en.editClusterError);else throw new Error("No function has been configured to handle the editing of nodes.");else this.showManipulatorToolbar()}addEdgeMode(){if(this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="addEdge",this.guiEnabled===!0){let e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.edgeDescription||this.options.locales.en.edgeDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}this._temporaryBindUI("onTouch",this._handleConnect.bind(this)),this._temporaryBindUI("onDragEnd",this._finishConnect.bind(this)),this._temporaryBindUI("onDrag",this._dragControlNode.bind(this)),this._temporaryBindUI("onRelease",this._finishConnect.bind(this)),this._temporaryBindUI("onDragStart",this._dragStartEdge.bind(this)),this._temporaryBindUI("onHold",()=>{})}editEdgeMode(){if(this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="editEdge",typeof this.options.editEdge=="object"&&typeof this.options.editEdge.editWithoutDrag=="function"&&(this.edgeBeingEditedId=this.selectionHandler.getSelectedEdgeIds()[0],this.edgeBeingEditedId!==void 0)){let e=this.body.edges[this.edgeBeingEditedId];this._performEditEdge(e.from.id,e.to.id);return}if(this.guiEnabled===!0){let e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.editEdgeDescription||this.options.locales.en.editEdgeDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}if(this.edgeBeingEditedId=this.selectionHandler.getSelectedEdgeIds()[0],this.edgeBeingEditedId!==void 0){let e=this.body.edges[this.edgeBeingEditedId],t=this._getNewTargetNode(e.from.x,e.from.y),i=this._getNewTargetNode(e.to.x,e.to.y);this.temporaryIds.nodes.push(t.id),this.temporaryIds.nodes.push(i.id),this.body.nodes[t.id]=t,this.body.nodeIndices.push(t.id),this.body.nodes[i.id]=i,this.body.nodeIndices.push(i.id),this._temporaryBindUI("onTouch",this._controlNodeTouch.bind(this)),this._temporaryBindUI("onTap",()=>{}),this._temporaryBindUI("onHold",()=>{}),this._temporaryBindUI("onDragStart",this._controlNodeDragStart.bind(this)),this._temporaryBindUI("onDrag",this._controlNodeDrag.bind(this)),this._temporaryBindUI("onDragEnd",this._controlNodeDragEnd.bind(this)),this._temporaryBindUI("onMouseMove",()=>{}),this._temporaryBindEvent("beforeDrawing",s=>{let o=e.edgeType.findBorderPositions(s);t.selected===!1&&(t.x=o.from.x,t.y=o.from.y),i.selected===!1&&(i.x=o.to.x,i.y=o.to.y)}),this.body.emitter.emit("_redraw")}else this.showManipulatorToolbar()}deleteSelected(){this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="delete";let e=this.selectionHandler.getSelectedNodeIds(),t=this.selectionHandler.getSelectedEdgeIds(),i;if(e.length>0){for(let s=0;s<e.length;s++)if(this.body.nodes[e[s]].isCluster===!0){alert(this.options.locales[this.options.locale].deleteClusterError||this.options.locales.en.deleteClusterError);return}typeof this.options.deleteNode=="function"&&(i=this.options.deleteNode)}else t.length>0&&typeof this.options.deleteEdge=="function"&&(i=this.options.deleteEdge);if(typeof i=="function"){let s={nodes:e,edges:t};if(i.length===2)i(s,o=>{o!=null&&this.inMode==="delete"?(this.body.data.edges.getDataSet().remove(o.edges),this.body.data.nodes.getDataSet().remove(o.nodes),this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar()):(this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar())});else throw new Error("The function for delete does not support two arguments (data, callback)")}else this.body.data.edges.getDataSet().remove(t),this.body.data.nodes.getDataSet().remove(e),this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar()}_setup(){this.options.enabled===!0?(this.guiEnabled=!0,this._createWrappers(),this.editMode===!1?this._createEditButton():this.showManipulatorToolbar()):(this._removeManipulationDOM(),this.guiEnabled=!1)}_createWrappers(){var e,t;this.manipulationDiv===void 0&&(this.manipulationDiv=document.createElement("div"),this.manipulationDiv.className="vis-manipulation",this.editMode===!0?this.manipulationDiv.style.display="block":this.manipulationDiv.style.display="none",this.canvas.frame.appendChild(this.manipulationDiv)),this.editModeDiv===void 0&&(this.editModeDiv=document.createElement("div"),this.editModeDiv.className="vis-edit-mode",this.editMode===!0?this.editModeDiv.style.display="none":this.editModeDiv.style.display="block",this.canvas.frame.appendChild(this.editModeDiv)),this.closeDiv===void 0&&(this.closeDiv=document.createElement("button"),this.closeDiv.className="vis-close",this.closeDiv.setAttribute("aria-label",(t=(e=this.options.locales[this.options.locale])==null?void 0:e.close)!=null?t:this.options.locales.en.close),this.closeDiv.style.display=this.manipulationDiv.style.display,this.canvas.frame.appendChild(this.closeDiv))}_getNewTargetNode(e,t){let i=B({},this.options.controlNodeStyle);i.id="targetNode"+Ee(),i.hidden=!1,i.physics=!1,i.x=e,i.y=t;let s=this.body.functions.createNode(i);return s.shape.boundingBox={left:e,right:e,top:t,bottom:t},s}_createEditButton(){this._clean(),this.manipulationDOM={},be(this.editModeDiv);let e=this.options.locales[this.options.locale],t=this._createButton("editMode","vis-edit vis-edit-mode",e.edit||this.options.locales.en.edit);this.editModeDiv.appendChild(t),this._bindElementEvents(t,this.toggleEditMode.bind(this))}_clean(){this.inMode=!1,this.guiEnabled===!0&&(be(this.editModeDiv),be(this.manipulationDiv),this._cleanupDOMEventListeners()),this._cleanupTemporaryNodesAndEdges(),this._unbindTemporaryUIs(),this._unbindTemporaryEvents(),this.body.emitter.emit("restorePhysics")}_cleanupDOMEventListeners(){for(let e of this._domEventListenerCleanupQueue.splice(0))e()}_removeManipulationDOM(){this._clean(),be(this.manipulationDiv),be(this.editModeDiv),be(this.closeDiv),this.manipulationDiv&&this.canvas.frame.removeChild(this.manipulationDiv),this.editModeDiv&&this.canvas.frame.removeChild(this.editModeDiv),this.closeDiv&&this.canvas.frame.removeChild(this.closeDiv),this.manipulationDiv=void 0,this.editModeDiv=void 0,this.closeDiv=void 0}_createSeperator(e=1){this.manipulationDOM["seperatorLineDiv"+e]=document.createElement("div"),this.manipulationDOM["seperatorLineDiv"+e].className="vis-separator-line",this.manipulationDiv.appendChild(this.manipulationDOM["seperatorLineDiv"+e])}_createAddNodeButton(e){let t=this._createButton("addNode","vis-add",e.addNode||this.options.locales.en.addNode);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.addNodeMode.bind(this))}_createAddEdgeButton(e){let t=this._createButton("addEdge","vis-connect",e.addEdge||this.options.locales.en.addEdge);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.addEdgeMode.bind(this))}_createEditNodeButton(e){let t=this._createButton("editNode","vis-edit",e.editNode||this.options.locales.en.editNode);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.editNode.bind(this))}_createEditEdgeButton(e){let t=this._createButton("editEdge","vis-edit",e.editEdge||this.options.locales.en.editEdge);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.editEdgeMode.bind(this))}_createDeleteButton(e){let t;this.options.rtl?t="vis-delete-rtl":t="vis-delete";let i=this._createButton("delete",t,e.del||this.options.locales.en.del);this.manipulationDiv.appendChild(i),this._bindElementEvents(i,this.deleteSelected.bind(this))}_createBackButton(e){let t=this._createButton("back","vis-back",e.back||this.options.locales.en.back);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.showManipulatorToolbar.bind(this))}_createButton(e,t,i,s="vis-label"){return this.manipulationDOM[e+"Div"]=document.createElement("button"),this.manipulationDOM[e+"Div"].className="vis-button 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Typo? 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un=class{constructor(){}getDistances(e,t,i){let s={},o=e.edges;for(let a=0;a<t.length;a++){let d=t[a],h={};s[d]=h;for(let l=0;l<t.length;l++)h[t[l]]=a==l?0:1e9}for(let a=0;a<i.length;a++){let d=o[i[a]];d.connected===!0&&s[d.fromId]!==void 0&&s[d.toId]!==void 0&&(s[d.fromId][d.toId]=1,s[d.toId][d.fromId]=1)}let r=t.length;for(let a=0;a<r;a++){let d=t[a],h=s[d];for(let l=0;l<r-1;l++){let c=t[l],u=s[c];for(let f=l+1;f<r;f++){let m=t[f],v=s[m],p=Math.min(u[m],u[d]+h[m]);u[m]=p,v[c]=p}}}return s}},fn=class{constructor(e,t,i){this.body=e,this.springLength=t,this.springConstant=i,this.distanceSolver=new un}setOptions(e){e&&(e.springLength&&(this.springLength=e.springLength),e.springConstant&&(this.springConstant=e.springConstant))}solve(e,t,i=!1){let s=this.distanceSolver.getDistances(this.body,e,t);this._createL_matrix(s),this._createK_matrix(s),this._createE_matrix();let o=.01,r=1,a=0,d=Math.max(1e3,Math.min(10*this.body.nodeIndices.length,6e3)),h=5,l=1e9,c=0,u=0,f=0,m=0,v=0;for(;l>o&&a<d;)for(a+=1,[c,l,u,f]=this._getHighestEnergyNode(i),m=l,v=0;m>r&&v<h;)v+=1,this._moveNode(c,u,f),[m,u,f]=this._getEnergy(c)}_getHighestEnergyNode(e){let t=this.body.nodeIndices,i=this.body.nodes,s=0,o=t[0],r=0,a=0;for(let d=0;d<t.length;d++){let h=t[d];if(i[h].predefinedPosition!==!0||i[h].isCluster===!0&&e===!0||i[h].options.fixed.x!==!0||i[h].options.fixed.y!==!0){let[l,c,u]=this._getEnergy(h);s<l&&(s=l,o=h,r=c,a=u)}}return[o,s,r,a]}_getEnergy(e){let[t,i]=this.E_sums[e];return[Math.sqrt(t**2+i**2),t,i]}_moveNode(e,t,i){let s=this.body.nodeIndices,o=this.body.nodes,r=0,a=0,d=0,h=o[e].x,l=o[e].y,c=this.K_matrix[e],u=this.L_matrix[e];for(let y=0;y<s.length;y++){let _=s[y];if(_!==e){let C=o[_].x,P=o[_].y,I=c[_],N=u[_],q=1/((h-C)**2+(l-P)**2)**1.5;r+=I*(1-N*(l-P)**2*q),a+=I*(N*(h-C)*(l-P)*q),d+=I*(1-N*(h-C)**2*q)}}let f=r,m=a,v=t,p=d,b=i,x=(v/f+b/m)/(m/f-p/m),T=-(m*x+v)/f;o[e].x+=T,o[e].y+=x,this._updateE_matrix(e)}_createL_matrix(e){let t=this.body.nodeIndices,i=this.springLength;this.L_matrix=[];for(let s=0;s<t.length;s++){this.L_matrix[t[s]]={};for(let o=0;o<t.length;o++)this.L_matrix[t[s]][t[o]]=i*e[t[s]][t[o]]}}_createK_matrix(e){let t=this.body.nodeIndices,i=this.springConstant;this.K_matrix=[];for(let s=0;s<t.length;s++){this.K_matrix[t[s]]={};for(let o=0;o<t.length;o++)this.K_matrix[t[s]][t[o]]=i*e[t[s]][t[o]]**-2}}_createE_matrix(){let e=this.body.nodeIndices,t=this.body.nodes;this.E_matrix={},this.E_sums={};for(let i=0;i<e.length;i++)this.E_matrix[e[i]]=[];for(let i=0;i<e.length;i++){let s=e[i],o=t[s].x,r=t[s].y,a=0,d=0;for(let h=i;h<e.length;h++){let l=e[h];if(l!==s){let c=t[l].x,u=t[l].y,f=1/Math.sqrt((o-c)**2+(r-u)**2);this.E_matrix[s][h]=[this.K_matrix[s][l]*(o-c-this.L_matrix[s][l]*(o-c)*f),this.K_matrix[s][l]*(r-u-this.L_matrix[s][l]*(r-u)*f)],this.E_matrix[l][i]=this.E_matrix[s][h],a+=this.E_matrix[s][h][0],d+=this.E_matrix[s][h][1]}}this.E_sums[s]=[a,d]}}_updateE_matrix(e){let t=this.body.nodeIndices,i=this.body.nodes,s=this.E_matrix[e],o=this.K_matrix[e],r=this.L_matrix[e],a=i[e].x,d=i[e].y,h=0,l=0;for(let c=0;c<t.length;c++){let u=t[c];if(u!==e){let f=s[c],m=f[0],v=f[1],p=i[u].x,b=i[u].y,x=1/Math.sqrt((a-p)**2+(d-b)**2),T=o[u]*(a-p-r[u]*(a-p)*x),y=o[u]*(d-b-r[u]*(d-b)*x);s[c]=[T,y],h+=T,l+=y;let _=this.E_sums[u];_[0]+=T-m,_[1]+=y-v}}this.E_sums[e]=[h,l]}};function k(n,e,t){if(!(this instanceof k))throw new SyntaxError("Constructor must be called with the new operator");this.options={},this.defaultOptions={locale:"en",locales:ua,clickToUse:!1},Object.assign(this.options,this.defaultOptions),this.body={container:n,nodes:{},nodeIndices:[],edges:{},edgeIndices:[],emitter:{on:this.on.bind(this),off:this.off.bind(this),emit:this.emit.bind(this),once:this.once.bind(this)},eventListeners:{onTap:function(){},onTouch:function(){},onDoubleTap:function(){},onHold:function(){},onDragStart:function(){},onDrag:function(){},onDragEnd:function(){},onMouseWheel:function(){},onPinch:function(){},onMouseMove:function(){},onRelease:function(){},onContext:function(){}},data:{nodes:null,edges:null},functions:{createNode:function(){},createEdge:function(){},getPointer:function(){}},modules:{},view:{scale:1,translation:{x:0,y:0}},selectionBox:{show:!1,position:{start:{x:0,y:0},end:{x:0,y:0}}}},this.bindEventListeners(),this.images=new co(()=>this.body.emitter.emit("_requestRedraw")),this.groups=new uo,this.canvas=new $o(this.body),this.selectionHandler=new sn(this.body,this.canvas),this.interactionHandler=new Jo(this.body,this.canvas,this.selectionHandler),this.view=new Zo(this.body,this.canvas),this.renderer=new Go(this.body,this.canvas),this.physics=new Yo(this.body),this.layoutEngine=new dn(this.body),this.clustering=new Xo(this.body),this.manipulation=new hn(this.body,this.canvas,this.selectionHandler,this.interactionHandler),this.nodesHandler=new ko(this.body,this.images,this.groups,this.layoutEngine),this.edgesHandler=new Lo(this.body,this.images,this.groups),this.body.modules.kamadaKawai=new fn(this.body,150,.05),this.body.modules.clustering=this.clustering,this.canvas._create(),this.setOptions(t),this.setData(e)}(0,Gs.default)(k.prototype);k.prototype.setOptions=function(n){if(n===null&&(n=void 0),n!==void 0){if(Vs.validate(n,Oa)===!0&&console.error("%cErrors have been found in the supplied options object.",yi),qe(["locale","locales","clickToUse"],this.options,n),n.locale!==void 0&&(n.locale=fa(n.locales||this.options.locales,n.locale)),n=this.layoutEngine.setOptions(n.layout,n),this.canvas.setOptions(n),this.groups.setOptions(n.groups),this.nodesHandler.setOptions(n.nodes),this.edgesHandler.setOptions(n.edges),this.physics.setOptions(n.physics),this.manipulation.setOptions(n.manipulation,n,this.options),this.interactionHandler.setOptions(n.interaction),this.renderer.setOptions(n.interaction),this.selectionHandler.setOptions(n.interaction),n.groups!==void 0&&this.body.emitter.emit("refreshNodes"),"configure"in n&&(this.configurator||(this.configurator=new js(this,this.body.container,cn,this.canvas.pixelRatio,Sa)),this.configurator.setOptions(n.configure)),this.configurator&&this.configurator.options.enabled===!0){let i={nodes:{},edges:{},layout:{},interaction:{},manipulation:{},physics:{},global:{}};B(i.nodes,this.nodesHandler.options),B(i.edges,this.edgesHandler.options),B(i.layout,this.layoutEngine.options),B(i.interaction,this.selectionHandler.options),B(i.interaction,this.renderer.options),B(i.interaction,this.interactionHandler.options),B(i.manipulation,this.manipulation.options),B(i.physics,this.physics.options),B(i.global,this.canvas.options),B(i.global,this.options),this.configurator.setModuleOptions(i)}n.clickToUse!==void 0?n.clickToUse===!0?this.activator===void 0&&(this.activator=new Hs(this.canvas.frame),this.activator.on("change",()=>{this.body.emitter.emit("activate")})):(this.activator!==void 0&&(this.activator.destroy(),delete this.activator),this.body.emitter.emit("activate")):this.body.emitter.emit("activate"),this.canvas.setSize(),this.body.emitter.emit("startSimulation")}};k.prototype._updateVisibleIndices=function(){let n=this.body.nodes,e=this.body.edges;this.body.nodeIndices=[],this.body.edgeIndices=[];for(let t in n)Object.prototype.hasOwnProperty.call(n,t)&&!this.clustering._isClusteredNode(t)&&n[t].options.hidden===!1&&this.body.nodeIndices.push(n[t].id);for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)){let i=e[t],s=n[i.fromId],o=n[i.toId],r=s!==void 0&&o!==void 0;!this.clustering._isClusteredEdge(t)&&i.options.hidden===!1&&r&&s.options.hidden===!1&&o.options.hidden===!1&&this.body.edgeIndices.push(i.id)}};k.prototype.bindEventListeners=function(){this.body.emitter.on("_dataChanged",()=>{this.edgesHandler._updateState(),this.body.emitter.emit("_dataUpdated")}),this.body.emitter.on("_dataUpdated",()=>{this.clustering._updateState(),this._updateVisibleIndices(),this._updateValueRange(this.body.nodes),this._updateValueRange(this.body.edges),this.body.emitter.emit("startSimulation"),this.body.emitter.emit("_requestRedraw")})};k.prototype.setData=function(n){if(this.body.emitter.emit("resetPhysics"),this.body.emitter.emit("_resetData"),this.selectionHandler.unselectAll(),n&&n.dot&&(n.nodes||n.edges))throw new SyntaxError('Data must contain either parameter "dot" or  parameter pair "nodes" and "edges", but not both.');if(this.setOptions(n&&n.options),n&&n.dot){console.warn("The dot property has been deprecated. Please use the static convertDot method to convert DOT into vis.network format and use the normal data format with nodes and edges. This converter is used like this: var data = vis.network.convertDot(dotString);");let e=Jr(n.dot);this.setData(e);return}else if(n&&n.gephi){console.warn("The gephi property has been deprecated. Please use the static convertGephi method to convert gephi into vis.network format and use the normal data format with nodes and edges. This converter is used like this: var data = vis.network.convertGephi(gephiJson);");let e=ea(n.gephi);this.setData(e);return}else this.nodesHandler.setData(n&&n.nodes,!0),this.edgesHandler.setData(n&&n.edges,!0);this.body.emitter.emit("_dataChanged"),this.body.emitter.emit("_dataLoaded"),this.body.emitter.emit("initPhysics")};k.prototype.destroy=function(){this.body.emitter.emit("destroy"),this.body.emitter.off(),this.off(),delete this.groups,delete this.canvas,delete this.selectionHandler,delete this.interactionHandler,delete this.view,delete this.renderer,delete this.physics,delete this.layoutEngine,delete this.clustering,delete this.manipulation,delete this.nodesHandler,delete this.edgesHandler,delete this.configurator,delete this.images;for(let n in this.body.nodes)!Object.prototype.hasOwnProperty.call(this.body.nodes,n)||delete this.body.nodes[n];for(let n in this.body.edges)!Object.prototype.hasOwnProperty.call(this.body.edges,n)||delete this.body.edges[n];be(this.body.container)};k.prototype._updateValueRange=function(n){let e,t,i,s=0;for(e in n)if(Object.prototype.hasOwnProperty.call(n,e)){let o=n[e].getValue();o!==void 0&&(t=t===void 0?o:Math.min(o,t),i=i===void 0?o:Math.max(o,i),s+=o)}if(t!==void 0&&i!==void 0)for(e in n)Object.prototype.hasOwnProperty.call(n,e)&&n[e].setValueRange(t,i,s)};k.prototype.isActive=function(){return!this.activator||this.activator.active};k.prototype.setSize=function(){return this.canvas.setSize.apply(this.canvas,arguments)};k.prototype.canvasToDOM=function(){return this.canvas.canvasToDOM.apply(this.canvas,arguments)};k.prototype.DOMtoCanvas=function(){return this.canvas.DOMtoCanvas.apply(this.canvas,arguments)};k.prototype.findNode=function(){return this.clustering.findNode.apply(this.clustering,arguments)};k.prototype.isCluster=function(){return this.clustering.isCluster.apply(this.clustering,arguments)};k.prototype.openCluster=function(){return this.clustering.openCluster.apply(this.clustering,arguments)};k.prototype.cluster=function(){return this.clustering.cluster.apply(this.clustering,arguments)};k.prototype.getNodesInCluster=function(){return this.clustering.getNodesInCluster.apply(this.clustering,arguments)};k.prototype.clusterByConnection=function(){return this.clustering.clusterByConnection.apply(this.clustering,arguments)};k.prototype.clusterByHubsize=function(){return this.clustering.clusterByHubsize.apply(this.clustering,arguments)};k.prototype.updateClusteredNode=function(){return this.clustering.updateClusteredNode.apply(this.clustering,arguments)};k.prototype.getClusteredEdges=function(){return this.clustering.getClusteredEdges.apply(this.clustering,arguments)};k.prototype.getBaseEdge=function(){return this.clustering.getBaseEdge.apply(this.clustering,arguments)};k.prototype.getBaseEdges=function(){return this.clustering.getBaseEdges.apply(this.clustering,arguments)};k.prototype.updateEdge=function(){return this.clustering.updateEdge.apply(this.clustering,arguments)};k.prototype.clusterOutliers=function(){return this.clustering.clusterOutliers.apply(this.clustering,arguments)};k.prototype.getSeed=function(){return this.layoutEngine.getSeed.apply(this.layoutEngine,arguments)};k.prototype.enableEditMode=function(){return this.manipulation.enableEditMode.apply(this.manipulation,arguments)};k.prototype.disableEditMode=function(){return this.manipulation.disableEditMode.apply(this.manipulation,arguments)};k.prototype.addNodeMode=function(){return this.manipulation.addNodeMode.apply(this.manipulation,arguments)};k.prototype.editNode=function(){return this.manipulation.editNode.apply(this.manipulation,arguments)};k.prototype.editNodeMode=function(){return console.warn("Deprecated: Please use editNode instead of editNodeMode."),this.manipulation.editNode.apply(this.manipulation,arguments)};k.prototype.addEdgeMode=function(){return 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o=this._processLabelText(e,t,s,this.elementOptions.label);this.fontOptions.minWdt>0&&o.width<this.fontOptions.minWdt&&(o.width=this.fontOptions.minWdt),this.size.labelHeight=o.height,this.fontOptions.minHgt>0&&o.height<this.fontOptions.minHgt&&(o.height=this.fontOptions.minHgt),this.lines=o.lines,this.lineCount=o.lines.length,this.size.width=o.width,this.size.height=o.height,this.selectedState=t,this.hoverState=s,this.labelDirty=!1}visible(){return!(this.size.width===0||this.size.height===0||this.elementOptions.label===void 0||this.fontOptions.size*this.body.view.scale<this.elementOptions.scaling.label.drawThreshold-1)}},Le=class{constructor(e,t,s){this.body=t,this.labelModule=s,this.setOptions(e),this.top=void 0,this.left=void 0,this.height=void 0,this.width=void 0,this.radius=void 0,this.margin=void 0,this.refreshNeeded=!0,this.boundingBox={top:0,left:0,right:0,bottom:0}}setOptions(e){this.options=e}_setMargins(e){this.margin={},this.options.margin&&(typeof this.options.margin=="object"?(this.margin.top=this.options.margin.top,this.margin.right=this.options.margin.right,this.margin.bottom=this.options.margin.bottom,this.margin.left=this.options.margin.left):(this.margin.top=this.options.margin,this.margin.right=this.options.margin,this.margin.bottom=this.options.margin,this.margin.left=this.options.margin)),e.adjustSizes(this.margin)}_distanceToBorder(e,t){let s=this.options.borderWidth;return e&&this.resize(e),Math.min(Math.abs(this.width/2/Math.cos(t)),Math.abs(this.height/2/Math.sin(t)))+s}enableShadow(e,t){t.shadow&&(e.shadowColor=t.shadowColor,e.shadowBlur=t.shadowSize,e.shadowOffsetX=t.shadowX,e.shadowOffsetY=t.shadowY)}disableShadow(e,t){t.shadow&&(e.shadowColor="rgba(0,0,0,0)",e.shadowBlur=0,e.shadowOffsetX=0,e.shadowOffsetY=0)}enableBorderDashes(e,t){if(t.borderDashes!==!1)if(e.setLineDash!==void 0){let s=t.borderDashes;s===!0&&(s=[5,15]),e.setLineDash(s)}else console.warn("setLineDash is not supported in this browser. The dashed borders cannot be used."),this.options.shapeProperties.borderDashes=!1,t.borderDashes=!1}disableBorderDashes(e,t){t.borderDashes!==!1&&(e.setLineDash!==void 0?e.setLineDash([0]):(console.warn("setLineDash is not supported in this browser. The dashed borders cannot be used."),this.options.shapeProperties.borderDashes=!1,t.borderDashes=!1))}needsRefresh(e,t){return this.refreshNeeded===!0?(this.refreshNeeded=!1,!0):this.width===void 0||this.labelModule.differentState(e,t)}initContextForDraw(e,t){let s=t.borderWidth/this.body.view.scale;e.lineWidth=Math.min(this.width,s),e.strokeStyle=t.borderColor,e.fillStyle=t.color}performStroke(e,t){let s=t.borderWidth/this.body.view.scale;e.save(),s>0&&(this.enableBorderDashes(e,t),e.stroke(),this.disableBorderDashes(e,t)),e.restore()}performFill(e,t){e.save(),e.fillStyle=t.color,this.enableShadow(e,t),e.fill(),this.disableShadow(e,t),e.restore(),this.performStroke(e,t)}_addBoundingBoxMargin(e){this.boundingBox.left-=e,this.boundingBox.top-=e,this.boundingBox.bottom+=e,this.boundingBox.right+=e}_updateBoundingBox(e,t,s,o,n){s!==void 0&&this.resize(s,o,n),this.left=e-this.width/2,this.top=t-this.height/2,this.boundingBox.left=this.left,this.boundingBox.top=this.top,this.boundingBox.bottom=this.top+this.height,this.boundingBox.right=this.left+this.width}updateBoundingBox(e,t,s,o,n){this._updateBoundingBox(e,t,s,o,n)}getDimensionsFromLabel(e,t,s){this.textSize=this.labelModule.getTextSize(e,t,s);let o=this.textSize.width,n=this.textSize.height,a=14;return o===0&&(o=a,n=a),{width:o,height:n}}},ba=class extends Le{constructor(e,t,s){super(e,t,s);this._setMargins(s)}resize(e,t=this.selected,s=this.hover){if(this.needsRefresh(t,s)){let o=this.getDimensionsFromLabel(e,t,s);this.width=o.width+this.margin.right+this.margin.left,this.height=o.height+this.margin.top+this.margin.bottom,this.radius=this.width/2}}draw(e,t,s,o,n,a){this.resize(e,o,n),this.left=t-this.width/2,this.top=s-this.height/2,this.initContextForDraw(e,a),Js(e,this.left,this.top,this.width,this.height,a.borderRadius),this.performFill(e,a),this.updateBoundingBox(t,s,e,o,n),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,o,n)}updateBoundingBox(e,t,s,o,n){this._updateBoundingBox(e,t,s,o,n);let a=this.options.shapeProperties.borderRadius;this._addBoundingBoxMargin(a)}distanceToBorder(e,t){e&&this.resize(e);let s=this.options.borderWidth;return Math.min(Math.abs(this.width/2/Math.cos(t)),Math.abs(this.height/2/Math.sin(t)))+s}},$t=class extends Le{constructor(e,t,s){super(e,t,s);this.labelOffset=0,this.selected=!1}setOptions(e,t,s){this.options=e,t===void 0&&s===void 0||this.setImages(t,s)}setImages(e,t){t&&this.selected?(this.imageObj=t,this.imageObjAlt=e):(this.imageObj=e,this.imageObjAlt=t)}switchImages(e){let t=e&&!this.selected||!e&&this.selected;if(this.selected=e,this.imageObjAlt!==void 0&&t){let s=this.imageObj;this.imageObj=this.imageObjAlt,this.imageObjAlt=s}}_getImagePadding(){let e={top:0,right:0,bottom:0,left:0};if(this.options.imagePadding){let t=this.options.imagePadding;typeof t=="object"?(e.top=t.top,e.right=t.right,e.bottom=t.bottom,e.left=t.left):(e.top=t,e.right=t,e.bottom=t,e.left=t)}return e}_resizeImage(){let e,t;if(this.options.shapeProperties.useImageSize===!1){let s=1,o=1;this.imageObj.width&&this.imageObj.height&&(this.imageObj.width>this.imageObj.height?s=this.imageObj.width/this.imageObj.height:o=this.imageObj.height/this.imageObj.width),e=this.options.size*2*s,t=this.options.size*2*o}else{let s=this._getImagePadding();e=this.imageObj.width+s.left+s.right,t=this.imageObj.height+s.top+s.bottom}this.width=e,this.height=t,this.radius=.5*this.width}_drawRawCircle(e,t,s,o){this.initContextForDraw(e,o),Ci(e,t,s,o.size),this.performFill(e,o)}_drawImageAtPosition(e,t){if(this.imageObj.width!=0){e.globalAlpha=t.opacity!==void 0?t.opacity:1,this.enableShadow(e,t);let s=1;this.options.shapeProperties.interpolation===!0&&(s=this.imageObj.width/this.width/this.body.view.scale);let o=this._getImagePadding(),n=this.left+o.left,a=this.top+o.top,d=this.width-o.left-o.right,h=this.height-o.top-o.bottom;this.imageObj.drawImageAtPosition(e,s,n,a,d,h),this.disableShadow(e,t)}}_drawImageLabel(e,t,s,o,n){let a=0;if(this.height!==void 0){a=this.height*.5;let h=this.labelModule.getTextSize(e,o,n);h.lineCount>=1&&(a+=h.height/2)}let d=s+a;this.options.label&&(this.labelOffset=a),this.labelModule.draw(e,t,d,o,n,"hanging")}},va=class extends $t{constructor(e,t,s){super(e,t,s);this._setMargins(s)}resize(e,t=this.selected,s=this.hover){if(this.needsRefresh(t,s)){let o=this.getDimensionsFromLabel(e,t,s),n=Math.max(o.width+this.margin.right+this.margin.left,o.height+this.margin.top+this.margin.bottom);this.options.size=n/2,this.width=n,this.height=n,this.radius=this.width/2}}draw(e,t,s,o,n,a){this.resize(e,o,n),this.left=t-this.width/2,this.top=s-this.height/2,this._drawRawCircle(e,t,s,a),this.updateBoundingBox(t,s),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,s,o,n)}updateBoundingBox(e,t){this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size}distanceToBorder(e){return e&&this.resize(e),this.width*.5}},wo=class extends $t{constructor(e,t,s,o,n){super(e,t,s);this.setImages(o,n)}resize(e,t=this.selected,s=this.hover){if(this.imageObj.src===void 0||this.imageObj.width===void 0||this.imageObj.height===void 0){let n=this.options.size*2;this.width=n,this.height=n,this.radius=.5*this.width;return}this.needsRefresh(t,s)&&this._resizeImage()}draw(e,t,s,o,n,a){this.switchImages(o),this.resize();let d=t,h=s;this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=t,this.top=s,d+=this.width/2,h+=this.height/2):(this.left=t-this.width/2,this.top=s-this.height/2),this._drawRawCircle(e,d,h,a),e.save(),e.clip(),this._drawImageAtPosition(e,a),e.restore(),this._drawImageLabel(e,d,h,o,n),this.updateBoundingBox(t,s)}updateBoundingBox(e,t){this.options.shapeProperties.coordinateOrigin==="top-left"?(this.boundingBox.top=t,this.boundingBox.left=e,this.boundingBox.right=e+this.options.size*2,this.boundingBox.bottom=t+this.options.size*2):(this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size),this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelOffset)}distanceToBorder(e){return e&&this.resize(e),this.width*.5}},Me=class extends Le{constructor(e,t,s){super(e,t,s)}resize(e,t=this.selected,s=this.hover,o={size:this.options.size}){var n,a;if(this.needsRefresh(t,s)){this.labelModule.getTextSize(e,t,s);let d=2*o.size;this.width=(n=this.customSizeWidth)!=null?n:d,this.height=(a=this.customSizeHeight)!=null?a:d,this.radius=.5*this.width}}_drawShape(e,t,s,o,n,a,d,h){return this.resize(e,a,d,h),this.left=o-this.width/2,this.top=n-this.height/2,this.initContextForDraw(e,h),Ur(t)(e,o,n,h.size),this.performFill(e,h),this.options.icon!==void 0&&this.options.icon.code!==void 0&&(e.font=(a?"bold ":"")+this.height/2+"px "+(this.options.icon.face||"FontAwesome"),e.fillStyle=this.options.icon.color||"black",e.textAlign="center",e.textBaseline="middle",e.fillText(this.options.icon.code,o,n)),{drawExternalLabel:()=>{if(this.options.label!==void 0){this.labelModule.calculateLabelSize(e,a,d,o,n,"hanging");let l=n+.5*this.height+.5*this.labelModule.size.height;this.labelModule.draw(e,o,l,a,d,"hanging")}this.updateBoundingBox(o,n)}}}updateBoundingBox(e,t){this.boundingBox.top=t-this.options.size,this.boundingBox.left=e-this.options.size,this.boundingBox.right=e+this.options.size,this.boundingBox.bottom=t+this.options.size,this.options.label!==void 0&&this.labelModule.size.width>0&&(this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelModule.size.height))}},_o=class extends Me{constructor(e,t,s,o){super(e,t,s,o);this.ctxRenderer=o}draw(e,t,s,o,n,a){this.resize(e,o,n,a),this.left=t-this.width/2,this.top=s-this.height/2,e.save();let d=this.ctxRenderer({ctx:e,id:this.options.id,x:t,y:s,state:{selected:o,hover:n},style:be({},a),label:this.options.label});if(d.drawNode!=null&&d.drawNode(),e.restore(),d.drawExternalLabel){let h=d.drawExternalLabel;d.drawExternalLabel=()=>{e.save(),h(),e.restore()}}return d.nodeDimensions&&(this.customSizeWidth=d.nodeDimensions.width,this.customSizeHeight=d.nodeDimensions.height),d}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Eo=class extends Le{constructor(e,t,s){super(e,t,s);this._setMargins(s)}resize(e,t,s){if(this.needsRefresh(t,s)){let n=this.getDimensionsFromLabel(e,t,s).width+this.margin.right+this.margin.left;this.width=n,this.height=n,this.radius=this.width/2}}draw(e,t,s,o,n,a){this.resize(e,o,n),this.left=t-this.width/2,this.top=s-this.height/2,this.initContextForDraw(e,a),eo(e,t-this.width/2,s-this.height/2,this.width,this.height),this.performFill(e,a),this.updateBoundingBox(t,s,e,o,n),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,o,n)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},wa=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"diamond",4,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},xo=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"circle",2,t,s,o,n,a)}distanceToBorder(e){return e&&this.resize(e),this.options.size}},Di=class extends Le{constructor(e,t,s){super(e,t,s)}resize(e,t=this.selected,s=this.hover){if(this.needsRefresh(t,s)){let o=this.getDimensionsFromLabel(e,t,s);this.height=o.height*2,this.width=o.width+o.height,this.radius=.5*this.width}}draw(e,t,s,o,n,a){this.resize(e,o,n),this.left=t-this.width*.5,this.top=s-this.height*.5,this.initContextForDraw(e,a),Ti(e,this.left,this.top,this.width,this.height),this.performFill(e,a),this.updateBoundingBox(t,s,e,o,n),this.labelModule.draw(e,t,s,o,n)}distanceToBorder(e,t){e&&this.resize(e);let s=this.width*.5,o=this.height*.5,n=Math.sin(t)*s,a=Math.cos(t)*o;return s*o/Math.sqrt(n*n+a*a)}},Co=class extends Le{constructor(e,t,s){super(e,t,s);this._setMargins(s)}resize(e,t,s){this.needsRefresh(t,s)&&(this.iconSize={width:Number(this.options.icon.size),height:Number(this.options.icon.size)},this.width=this.iconSize.width+this.margin.right+this.margin.left,this.height=this.iconSize.height+this.margin.top+this.margin.bottom,this.radius=.5*this.width)}draw(e,t,s,o,n,a){return this.resize(e,o,n),this.options.icon.size=this.options.icon.size||50,this.left=t-this.width/2,this.top=s-this.height/2,this._icon(e,t,s,o,n,a),{drawExternalLabel:()=>{if(this.options.label!==void 0){let d=5;this.labelModule.draw(e,this.left+this.iconSize.width/2+this.margin.left,s+this.height/2+d,o)}this.updateBoundingBox(t,s)}}}updateBoundingBox(e,t){if(this.boundingBox.top=t-this.options.icon.size*.5,this.boundingBox.left=e-this.options.icon.size*.5,this.boundingBox.right=e+this.options.icon.size*.5,this.boundingBox.bottom=t+this.options.icon.size*.5,this.options.label!==void 0&&this.labelModule.size.width>0){let s=5;this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelModule.size.height+s)}}_icon(e,t,s,o,n,a){let d=Number(this.options.icon.size);this.options.icon.code!==void 0?(e.font=[this.options.icon.weight!=null?this.options.icon.weight:o?"bold":"",(this.options.icon.weight!=null&&o?5:0)+d+"px",this.options.icon.face].join(" "),e.fillStyle=this.options.icon.color||"black",e.textAlign="center",e.textBaseline="middle",this.enableShadow(e,a),e.fillText(this.options.icon.code,t,s),this.disableShadow(e,a)):console.error("When using the icon shape, you need to define the code in the icon options object. This can be done per node or globally.")}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},_a=class extends $t{constructor(e,t,s,o,n){super(e,t,s);this.setImages(o,n)}resize(e,t=this.selected,s=this.hover){if(this.imageObj.src===void 0||this.imageObj.width===void 0||this.imageObj.height===void 0){let n=this.options.size*2;this.width=n,this.height=n;return}this.needsRefresh(t,s)&&this._resizeImage()}draw(e,t,s,o,n,a){e.save(),this.switchImages(o),this.resize();let d=t,h=s;if(this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=t,this.top=s,d+=this.width/2,h+=this.height/2):(this.left=t-this.width/2,this.top=s-this.height/2),this.options.shapeProperties.useBorderWithImage===!0){let l=this.options.borderWidth,c=this.options.borderWidthSelected||2*this.options.borderWidth,u=(o?c:l)/this.body.view.scale;e.lineWidth=Math.min(this.width,u),e.beginPath();let f=o?this.options.color.highlight.border:n?this.options.color.hover.border:this.options.color.border,p=o?this.options.color.highlight.background:n?this.options.color.hover.background:this.options.color.background;a.opacity!==void 0&&(f=ue(f,a.opacity),p=ue(p,a.opacity)),e.strokeStyle=f,e.fillStyle=p,e.rect(this.left-.5*e.lineWidth,this.top-.5*e.lineWidth,this.width+e.lineWidth,this.height+e.lineWidth),e.fill(),this.performStroke(e,a),e.closePath()}this._drawImageAtPosition(e,a),this._drawImageLabel(e,d,h,o,n),this.updateBoundingBox(t,s),e.restore()}updateBoundingBox(e,t){this.resize(),this.options.shapeProperties.coordinateOrigin==="top-left"?(this.left=e,this.top=t):(this.left=e-this.width/2,this.top=t-this.height/2),this.boundingBox.left=this.left,this.boundingBox.top=this.top,this.boundingBox.bottom=this.top+this.height,this.boundingBox.right=this.left+this.width,this.options.label!==void 0&&this.labelModule.size.width>0&&(this.boundingBox.left=Math.min(this.boundingBox.left,this.labelModule.size.left),this.boundingBox.right=Math.max(this.boundingBox.right,this.labelModule.size.left+this.labelModule.size.width),this.boundingBox.bottom=Math.max(this.boundingBox.bottom,this.boundingBox.bottom+this.labelOffset))}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},To=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"square",2,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},ko=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"hexagon",4,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},So=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"star",4,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Oo=class extends Le{constructor(e,t,s){super(e,t,s);this._setMargins(s)}resize(e,t,s){this.needsRefresh(t,s)&&(this.textSize=this.labelModule.getTextSize(e,t,s),this.width=this.textSize.width+this.margin.right+this.margin.left,this.height=this.textSize.height+this.margin.top+this.margin.bottom,this.radius=.5*this.width)}draw(e,t,s,o,n,a){this.resize(e,o,n),this.left=t-this.width/2,this.top=s-this.height/2,this.enableShadow(e,a),this.labelModule.draw(e,this.left+this.textSize.width/2+this.margin.left,this.top+this.textSize.height/2+this.margin.top,o,n),this.disableShadow(e,a),this.updateBoundingBox(t,s,e,o,n)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Ea=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"triangle",3,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},Io=class extends Me{constructor(e,t,s){super(e,t,s)}draw(e,t,s,o,n,a){return this._drawShape(e,"triangleDown",3,t,s,o,n,a)}distanceToBorder(e,t){return this._distanceToBorder(e,t)}},U=class{constructor(e,t,s,o,n,a){this.options=Oe(n),this.globalOptions=n,this.defaultOptions=a,this.body=t,this.edges=[],this.id=void 0,this.imagelist=s,this.grouplist=o,this.x=void 0,this.y=void 0,this.baseSize=this.options.size,this.baseFontSize=this.options.font.size,this.predefinedPosition=!1,this.selected=!1,this.hover=!1,this.labelModule=new Je(this.body,this.options,!1),this.setOptions(e)}attachEdge(e){this.edges.indexOf(e)===-1&&this.edges.push(e)}detachEdge(e){let t=this.edges.indexOf(e);t!=-1&&this.edges.splice(t,1)}setOptions(e){let t=this.options.shape;if(!e)return;if(typeof e.color!="undefined"&&(this._localColor=e.color),e.id!==void 0&&(this.id=e.id),this.id===void 0)throw new Error("Node must have an id");U.checkMass(e,this.id),e.x!==void 0&&(e.x===null?(this.x=void 0,this.predefinedPosition=!1):(this.x=parseInt(e.x),this.predefinedPosition=!0)),e.y!==void 0&&(e.y===null?(this.y=void 0,this.predefinedPosition=!1):(this.y=parseInt(e.y),this.predefinedPosition=!0)),e.size!==void 0&&(this.baseSize=e.size),e.value!==void 0&&(e.value=parseFloat(e.value)),U.parseOptions(this.options,e,!0,this.globalOptions,this.grouplist);let s=[e,this.options,this.defaultOptions];return this.chooser=Oi("node",s),this._load_images(),this.updateLabelModule(e),e.opacity!==void 0&&U.checkOpacity(e.opacity)&&(this.options.opacity=e.opacity),this.updateShape(t),e.hidden!==void 0||e.physics!==void 0}_load_images(){if((this.options.shape==="circularImage"||this.options.shape==="image")&&this.options.image===void 0)throw new Error("Option image must be defined for node type '"+this.options.shape+"'");if(this.options.image!==void 0){if(this.imagelist===void 0)throw new Error("Internal Error: No images provided");if(typeof this.options.image=="string")this.imageObj=this.imagelist.load(this.options.image,this.options.brokenImage,this.id);else{if(this.options.image.unselected===void 0)throw new Error("No unselected image provided");this.imageObj=this.imagelist.load(this.options.image.unselected,this.options.brokenImage,this.id),this.options.image.selected!==void 0?this.imageObjAlt=this.imagelist.load(this.options.image.selected,this.options.brokenImage,this.id):this.imageObjAlt=void 0}}}static checkOpacity(e){return 0<=e&&e<=1}static checkCoordinateOrigin(e){return e===void 0||e==="center"||e==="top-left"}static updateGroupOptions(e,t,s){if(s===void 0)return;let o=e.group;if(t!==void 0&&t.group!==void 0&&o!==t.group)throw new Error("updateGroupOptions: group values in options don't match.");if(!(typeof o=="number"||typeof o=="string"&&o!=""))return;let a=s.get(o);a.opacity!==void 0&&t.opacity===void 0&&(U.checkOpacity(a.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+a.opacity),a.opacity=void 0));let d=Object.getOwnPropertyNames(t).filter(h=>t[h]!=null);d.push("font"),Et(d,e,a),e.color=jt(e.color)}static parseOptions(e,t,s=!1,o={},n){if(Et(["color","fixed","shadow"],e,t,s),U.checkMass(t),e.opacity!==void 0&&(U.checkOpacity(e.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+e.opacity),e.opacity=void 0)),t.opacity!==void 0&&(U.checkOpacity(t.opacity)||(console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+t.opacity),t.opacity=void 0)),t.shapeProperties&&!U.checkCoordinateOrigin(t.shapeProperties.coordinateOrigin)&&console.error("Invalid option for node coordinateOrigin, found: "+t.shapeProperties.coordinateOrigin),fe(e,t,"shadow",o),t.color!==void 0&&t.color!==null){let d=jt(t.color);yi(e.color,d)}else s===!0&&t.color===null&&(e.color=Oe(o.color));t.fixed!==void 0&&t.fixed!==null&&(typeof t.fixed=="boolean"?(e.fixed.x=t.fixed,e.fixed.y=t.fixed):(t.fixed.x!==void 0&&typeof t.fixed.x=="boolean"&&(e.fixed.x=t.fixed.x),t.fixed.y!==void 0&&typeof t.fixed.y=="boolean"&&(e.fixed.y=t.fixed.y))),s===!0&&t.font===null&&(e.font=Oe(o.font)),U.updateGroupOptions(e,t,n),t.scaling!==void 0&&fe(e.scaling,t.scaling,"label",o.scaling)}getFormattingValues(){let e={color:this.options.color.background,opacity:this.options.opacity,borderWidth:this.options.borderWidth,borderColor:this.options.color.border,size:this.options.size,borderDashes:this.options.shapeProperties.borderDashes,borderRadius:this.options.shapeProperties.borderRadius,shadow:this.options.shadow.enabled,shadowColor:this.options.shadow.color,shadowSize:this.options.shadow.size,shadowX:this.options.shadow.x,shadowY:this.options.shadow.y};if(this.selected||this.hover?this.chooser===!0?this.selected?(this.options.borderWidthSelected!=null?e.borderWidth=this.options.borderWidthSelected:e.borderWidth*=2,e.color=this.options.color.highlight.background,e.borderColor=this.options.color.highlight.border,e.shadow=this.options.shadow.enabled):this.hover&&(e.color=this.options.color.hover.background,e.borderColor=this.options.color.hover.border,e.shadow=this.options.shadow.enabled):typeof this.chooser=="function"&&(this.chooser(e,this.options.id,this.selected,this.hover),e.shadow===!1&&(e.shadowColor!==this.options.shadow.color||e.shadowSize!==this.options.shadow.size||e.shadowX!==this.options.shadow.x||e.shadowY!==this.options.shadow.y)&&(e.shadow=!0)):e.shadow=this.options.shadow.enabled,this.options.opacity!==void 0){let t=this.options.opacity;e.borderColor=ue(e.borderColor,t),e.color=ue(e.color,t),e.shadowColor=ue(e.shadowColor,t)}return e}updateLabelModule(e){(this.options.label===void 0||this.options.label===null)&&(this.options.label=""),U.updateGroupOptions(this.options,We(be({},e),{color:e&&e.color||this._localColor||void 0}),this.grouplist);let t=this.grouplist.get(this.options.group,!1),s=[e,this.options,t,this.globalOptions,this.defaultOptions];this.labelModule.update(this.options,s),this.labelModule.baseSize!==void 0&&(this.baseFontSize=this.labelModule.baseSize)}updateShape(e){if(e===this.options.shape&&this.shape)this.shape.setOptions(this.options,this.imageObj,this.imageObjAlt);else switch(this.options.shape){case"box":this.shape=new ba(this.options,this.body,this.labelModule);break;case"circle":this.shape=new va(this.options,this.body,this.labelModule);break;case"circularImage":this.shape=new wo(this.options,this.body,this.labelModule,this.imageObj,this.imageObjAlt);break;case"custom":this.shape=new _o(this.options,this.body,this.labelModule,this.options.ctxRenderer);break;case"database":this.shape=new Eo(this.options,this.body,this.labelModule);break;case"diamond":this.shape=new wa(this.options,this.body,this.labelModule);break;case"dot":this.shape=new xo(this.options,this.body,this.labelModule);break;case"ellipse":this.shape=new Di(this.options,this.body,this.labelModule);break;case"icon":this.shape=new Co(this.options,this.body,this.labelModule);break;case"image":this.shape=new _a(this.options,this.body,this.labelModule,this.imageObj,this.imageObjAlt);break;case"square":this.shape=new To(this.options,this.body,this.labelModule);break;case"hexagon":this.shape=new ko(this.options,this.body,this.labelModule);break;case"star":this.shape=new So(this.options,this.body,this.labelModule);break;case"text":this.shape=new Oo(this.options,this.body,this.labelModule);break;case"triangle":this.shape=new Ea(this.options,this.body,this.labelModule);break;case"triangleDown":this.shape=new Io(this.options,this.body,this.labelModule);break;default:this.shape=new Di(this.options,this.body,this.labelModule);break}this.needsRefresh()}select(){this.selected=!0,this.needsRefresh()}unselect(){this.selected=!1,this.needsRefresh()}needsRefresh(){this.shape.refreshNeeded=!0}getTitle(){return this.options.title}distanceToBorder(e,t){return this.shape.distanceToBorder(e,t)}isFixed(){return this.options.fixed.x&&this.options.fixed.y}isSelected(){return this.selected}getValue(){return this.options.value}getLabelSize(){return this.labelModule.size()}setValueRange(e,t,s){if(this.options.value!==void 0){let o=this.options.scaling.customScalingFunction(e,t,s,this.options.value),n=this.options.scaling.max-this.options.scaling.min;if(this.options.scaling.label.enabled===!0){let a=this.options.scaling.label.max-this.options.scaling.label.min;this.options.font.size=this.options.scaling.label.min+o*a}this.options.size=this.options.scaling.min+o*n}else this.options.size=this.baseSize,this.options.font.size=this.baseFontSize;this.updateLabelModule()}draw(e){let t=this.getFormattingValues();return this.shape.draw(e,this.x,this.y,this.selected,this.hover,t)||{}}updateBoundingBox(e){this.shape.updateBoundingBox(this.x,this.y,e)}resize(e){let t=this.getFormattingValues();this.shape.resize(e,this.selected,this.hover,t)}getItemsOnPoint(e){let t=[];return this.labelModule.visible()&&Ii(this.labelModule.getSize(),e)&&t.push({nodeId:this.id,labelId:0}),Ii(this.shape.boundingBox,e)&&t.push({nodeId:this.id}),t}isOverlappingWith(e){return this.shape.left<e.right&&this.shape.left+this.shape.width>e.left&&this.shape.top<e.bottom&&this.shape.top+this.shape.height>e.top}isBoundingBoxOverlappingWith(e){return this.shape.boundingBox.left<e.right&&this.shape.boundingBox.right>e.left&&this.shape.boundingBox.top<e.bottom&&this.shape.boundingBox.bottom>e.top}static checkMass(e,t){if(e.mass!==void 0&&e.mass<=0){let s="";t!==void 0&&(s=" in node id: "+t),console.error("%cNegative or zero mass disallowed"+s+", setting mass to 1.",_i),e.mass=1}}},Po=class{constructor(e,t,s,o){if(this.body=e,this.images=t,this.groups=s,this.layoutEngine=o,this.body.functions.createNode=this.create.bind(this),this.nodesListeners={add:(n,a)=>{this.add(a.items)},update:(n,a)=>{this.update(a.items,a.data,a.oldData)},remove:(n,a)=>{this.remove(a.items)}},this.defaultOptions={borderWidth:1,borderWidthSelected:void 0,brokenImage:void 0,color:{border:"#2B7CE9",background:"#97C2FC",highlight:{border:"#2B7CE9",background:"#D2E5FF"},hover:{border:"#2B7CE9",background:"#D2E5FF"}},opacity:void 0,fixed:{x:!1,y:!1},font:{color:"#343434",size:14,face:"arial",background:"none",strokeWidth:0,strokeColor:"#ffffff",align:"center",vadjust:0,multi:!1,bold:{mod:"bold"},boldital:{mod:"bold italic"},ital:{mod:"italic"},mono:{mod:"",size:15,face:"monospace",vadjust:2}},group:void 0,hidden:!1,icon:{face:"FontAwesome",code:void 0,size:50,color:"#2B7CE9"},image:void 0,imagePadding:{top:0,right:0,bottom:0,left:0},label:void 0,labelHighlightBold:!0,level:void 0,margin:{top:5,right:5,bottom:5,left:5},mass:1,physics:!0,scaling:{min:10,max:30,label:{enabled:!1,min:14,max:30,maxVisible:30,drawThreshold:5},customScalingFunction:function(n,a,d,h){if(a===n)return .5;{let l=1/(a-n);return Math.max(0,(h-n)*l)}}},shadow:{enabled:!1,color:"rgba(0,0,0,0.5)",size:10,x:5,y:5},shape:"ellipse",shapeProperties:{borderDashes:!1,borderRadius:6,interpolation:!0,useImageSize:!1,useBorderWithImage:!1,coordinateOrigin:"center"},size:25,title:void 0,value:void 0,x:void 0,y:void 0},this.defaultOptions.mass<=0)throw"Internal error: mass in defaultOptions of NodesHandler may not be zero or negative";this.options=Oe(this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("refreshNodes",this.refresh.bind(this)),this.body.emitter.on("refresh",this.refresh.bind(this)),this.body.emitter.on("destroy",()=>{F(this.nodesListeners,(e,t)=>{this.body.data.nodes&&this.body.data.nodes.off(t,e)}),delete this.body.functions.createNode,delete this.nodesListeners.add,delete this.nodesListeners.update,delete this.nodesListeners.remove,delete this.nodesListeners})}setOptions(e){if(e!==void 0){if(U.parseOptions(this.options,e),e.opacity!==void 0&&(Number.isNaN(e.opacity)||!Number.isFinite(e.opacity)||e.opacity<0||e.opacity>1?console.error("Invalid option for node opacity. Value must be between 0 and 1, found: "+e.opacity):this.options.opacity=e.opacity),e.shape!==void 0)for(let t in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,t)&&this.body.nodes[t].updateShape();if(typeof e.font!="undefined"||typeof e.widthConstraint!="undefined"||typeof e.heightConstraint!="undefined")for(let t of Object.keys(this.body.nodes))this.body.nodes[t].updateLabelModule(),this.body.nodes[t].needsRefresh();if(e.size!==void 0)for(let t in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,t)&&this.body.nodes[t].needsRefresh();(e.hidden!==void 0||e.physics!==void 0)&&this.body.emitter.emit("_dataChanged")}}setData(e,t=!1){let s=this.body.data.nodes;if(xi("id",e))this.body.data.nodes=e;else if(Array.isArray(e))this.body.data.nodes=new De,this.body.data.nodes.add(e);else if(!e)this.body.data.nodes=new De;else throw new TypeError("Array or DataSet expected");if(s&&F(this.nodesListeners,function(o,n){s.off(n,o)}),this.body.nodes={},this.body.data.nodes){let o=this;F(this.nodesListeners,function(a,d){o.body.data.nodes.on(d,a)});let n=this.body.data.nodes.getIds();this.add(n,!0)}t===!1&&this.body.emitter.emit("_dataChanged")}add(e,t=!1){let s,o=[];for(let n=0;n<e.length;n++){s=e[n];let a=this.body.data.nodes.get(s),d=this.create(a);o.push(d),this.body.nodes[s]=d}this.layoutEngine.positionInitially(o),t===!1&&this.body.emitter.emit("_dataChanged")}update(e,t,s){let o=this.body.nodes,n=!1;for(let a=0;a<e.length;a++){let d=e[a],h=o[d],l=t[a];h!==void 0?h.setOptions(l)&&(n=!0):(n=!0,h=this.create(l),o[d]=h)}!n&&s!==void 0&&(n=t.some(function(a,d){let h=s[d];return h&&h.level!==a.level})),n===!0?this.body.emitter.emit("_dataChanged"):this.body.emitter.emit("_dataUpdated")}remove(e){let t=this.body.nodes;for(let s=0;s<e.length;s++){let o=e[s];delete t[o]}this.body.emitter.emit("_dataChanged")}create(e,t=U){return new t(e,this.body,this.images,this.groups,this.options,this.defaultOptions)}refresh(e=!1){F(this.body.nodes,(t,s)=>{let o=this.body.data.nodes.get(s);o!==void 0&&(e===!0&&t.setOptions({x:null,y:null}),t.setOptions({fixed:!1}),t.setOptions(o))})}getPositions(e){let t={};if(e!==void 0){if(Array.isArray(e)===!0){for(let s=0;s<e.length;s++)if(this.body.nodes[e[s]]!==void 0){let o=this.body.nodes[e[s]];t[e[s]]={x:Math.round(o.x),y:Math.round(o.y)}}}else if(this.body.nodes[e]!==void 0){let s=this.body.nodes[e];t[e]={x:Math.round(s.x),y:Math.round(s.y)}}}else for(let s=0;s<this.body.nodeIndices.length;s++){let o=this.body.nodes[this.body.nodeIndices[s]];t[this.body.nodeIndices[s]]={x:Math.round(o.x),y:Math.round(o.y)}}return t}getPosition(e){if(e==null)throw new TypeError("No id was specified for getPosition method.");if(this.body.nodes[e]==null)throw new ReferenceError(`NodeId provided for getPosition does not exist. Provided: ${e}`);return{x:Math.round(this.body.nodes[e].x),y:Math.round(this.body.nodes[e].y)}}storePositions(){let e=[],t=this.body.data.nodes.getDataSet();for(let s of t.get()){let o=s.id,n=this.body.nodes[o],a=Math.round(n.x),d=Math.round(n.y);(s.x!==a||s.y!==d)&&e.push({id:o,x:a,y:d})}t.update(e)}getBoundingBox(e){if(this.body.nodes[e]!==void 0)return this.body.nodes[e].shape.boundingBox}getConnectedNodes(e,t){let s=[];if(this.body.nodes[e]!==void 0){let o=this.body.nodes[e],n={};for(let a=0;a<o.edges.length;a++){let d=o.edges[a];t!=="to"&&d.toId==o.id?n[d.fromId]===void 0&&(s.push(d.fromId),n[d.fromId]=!0):t!=="from"&&d.fromId==o.id&&n[d.toId]===void 0&&(s.push(d.toId),n[d.toId]=!0)}}return s}getConnectedEdges(e){let t=[];if(this.body.nodes[e]!==void 0){let s=this.body.nodes[e];for(let o=0;o<s.edges.length;o++)t.push(s.edges[o].id)}else console.error("NodeId provided for getConnectedEdges does not exist. Provided: ",e);return t}moveNode(e,t,s){this.body.nodes[e]!==void 0?(this.body.nodes[e].x=Number(t),this.body.nodes[e].y=Number(s),setTimeout(()=>{this.body.emitter.emit("startSimulation")},0)):console.error("Node id supplied to moveNode does not exist. Provided: ",e)}},K=class{static transform(e,t){Array.isArray(e)||(e=[e]);let s=t.point.x,o=t.point.y,n=t.angle,a=t.length;for(let d=0;d<e.length;++d){let h=e[d],l=h.x*Math.cos(n)-h.y*Math.sin(n),c=h.x*Math.sin(n)+h.y*Math.cos(n);h.x=s+a*l,h.y=o+a*c}}static drawPath(e,t){e.beginPath(),e.moveTo(t[0].x,t[0].y);for(let s=1;s<t.length;++s)e.lineTo(t[s].x,t[s].y);e.closePath()}},xa=class extends K{static draw(e,t){if(t.image){e.save(),e.translate(t.point.x,t.point.y),e.rotate(Math.PI/2+t.angle);let s=t.imageWidth!=null?t.imageWidth:t.image.width,o=t.imageHeight!=null?t.imageHeight:t.image.height;t.image.drawImageAtPosition(e,1,-s/2,0,s,o),e.restore()}return!1}},Do=class extends K{static draw(e,t){let s=[{x:0,y:0},{x:-1,y:.3},{x:-.9,y:0},{x:-1,y:-.3}];return K.transform(s,t),K.drawPath(e,s),!0}},Mo=class{static draw(e,t){let s=[{x:-1,y:0},{x:0,y:.3},{x:-.4,y:0},{x:0,y:-.3}];return K.transform(s,t),K.drawPath(e,s),!0}},No=class{static draw(e,t){let s={x:-.4,y:0};K.transform(s,t),e.strokeStyle=e.fillStyle,e.fillStyle="rgba(0, 0, 0, 0)";let o=Math.PI,n=t.angle-o/2,a=t.angle+o/2;return e.beginPath(),e.arc(s.x,s.y,t.length*.4,n,a,!1),e.stroke(),!0}},Fo=class{static draw(e,t){let s={x:-.3,y:0};K.transform(s,t),e.strokeStyle=e.fillStyle,e.fillStyle="rgba(0, 0, 0, 0)";let o=Math.PI,n=t.angle+o/2,a=t.angle+3*o/2;return e.beginPath(),e.arc(s.x,s.y,t.length*.4,n,a,!1),e.stroke(),!0}},Bo=class{static draw(e,t){let s=[{x:.02,y:0},{x:-1,y:.3},{x:-1,y:-.3}];return K.transform(s,t),K.drawPath(e,s),!0}},Ao=class{static draw(e,t){let s=[{x:0,y:.3},{x:0,y:-.3},{x:-1,y:0}];return K.transform(s,t),K.drawPath(e,s),!0}},zo=class{static draw(e,t){let s={x:-.4,y:0};return K.transform(s,t),Ci(e,s.x,s.y,t.length*.4),!0}},Ro=class{static draw(e,t){let s=[{x:0,y:.5},{x:0,y:-.5},{x:-.15,y:-.5},{x:-.15,y:.5}];return K.transform(s,t),K.drawPath(e,s),!0}},Lo=class{static draw(e,t){let s=[{x:0,y:.3},{x:0,y:-.3},{x:-.6,y:-.3},{x:-.6,y:.3}];return K.transform(s,t),K.drawPath(e,s),!0}},Ho=class{static draw(e,t){let s=[{x:0,y:0},{x:-.5,y:-.3},{x:-1,y:0},{x:-.5,y:.3}];return K.transform(s,t),K.drawPath(e,s),!0}},jo=class{static draw(e,t){let s=[{x:-1,y:.3},{x:-.5,y:0},{x:-1,y:-.3},{x:0,y:0}];return K.transform(s,t),K.drawPath(e,s),!0}},Mi=class{static draw(e,t){let s;switch(t.type&&(s=t.type.toLowerCase()),s){case"image":return xa.draw(e,t);case"circle":return zo.draw(e,t);case"box":return Lo.draw(e,t);case"crow":return Mo.draw(e,t);case"curve":return No.draw(e,t);case"diamond":return Ho.draw(e,t);case"inv_curve":return Fo.draw(e,t);case"triangle":return Bo.draw(e,t);case"inv_triangle":return Ao.draw(e,t);case"bar":return Ro.draw(e,t);case"vee":return jo.draw(e,t);case"arrow":default:return Do.draw(e,t)}}},Ni=class{constructor(e,t,s){this._body=t,this._labelModule=s,this.color={},this.colorDirty=!0,this.hoverWidth=1.5,this.selectionWidth=2,this.setOptions(e),this.fromPoint=this.from,this.toPoint=this.to}connect(){this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to]}cleanup(){return!1}setOptions(e){this.options=e,this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.id=this.options.id}drawLine(e,t,s,o,n=this.getViaNode()){e.strokeStyle=this.getColor(e,t),e.lineWidth=t.width,t.dashes!==!1?this._drawDashedLine(e,t,n):this._drawLine(e,t,n)}_drawLine(e,t,s,o,n){if(this.from!=this.to)this._line(e,t,s,o,n);else{let[a,d,h]=this._getCircleData(e);this._circle(e,t,a,d,h)}}_drawDashedLine(e,t,s,o,n){e.lineCap="round";let a=Array.isArray(t.dashes)?t.dashes:[5,5];if(e.setLineDash!==void 0){if(e.save(),e.setLineDash(a),e.lineDashOffset=0,this.from!=this.to)this._line(e,t,s);else{let[d,h,l]=this._getCircleData(e);this._circle(e,t,d,h,l)}e.setLineDash([0]),e.lineDashOffset=0,e.restore()}else{if(this.from!=this.to)to(e,this.from.x,this.from.y,this.to.x,this.to.y,a);else{let[d,h,l]=this._getCircleData(e);this._circle(e,t,d,h,l)}this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}}findBorderPosition(e,t,s){return this.from!=this.to?this._findBorderPosition(e,t,s):this._findBorderPositionCircle(e,t,s)}findBorderPositions(e){if(this.from!=this.to)return{from:this._findBorderPosition(this.from,e),to:this._findBorderPosition(this.to,e)};{let[t,s]=this._getCircleData(e).slice(0,2);return{from:this._findBorderPositionCircle(this.from,e,{x:t,y:s,low:.25,high:.6,direction:-1}),to:this._findBorderPositionCircle(this.from,e,{x:t,y:s,low:.6,high:.8,direction:1})}}}_getCircleData(e){let t=this.options.selfReference.size;e!==void 0&&this.from.shape.width===void 0&&this.from.shape.resize(e);let s=yo(e,this.options.selfReference.angle,t,this.from);return[s.x,s.y,t]}_pointOnCircle(e,t,s,o){let n=o*2*Math.PI;return{x:e+s*Math.cos(n),y:t-s*Math.sin(n)}}_findBorderPositionCircle(e,t,s){let o=s.x,n=s.y,a=s.low,d=s.high,h=s.direction,l=10,c=this.options.selfReference.size,u=.05,f,p=(a+d)*.5,b=0;this.options.arrowStrikethrough===!0&&(h===-1?b=this.options.endPointOffset.from:h===1&&(b=this.options.endPointOffset.to));let _=0;do{p=(a+d)*.5,f=this._pointOnCircle(o,n,c,p);let g=Math.atan2(e.y-f.y,e.x-f.x),v=e.distanceToBorder(t,g)+b,T=Math.sqrt(Math.pow(f.x-e.x,2)+Math.pow(f.y-e.y,2)),S=v-T;if(Math.abs(S)<u)break;S>0?h>0?a=p:d=p:h>0?d=p:a=p,++_}while(a<=d&&_<l);return We(be({},f),{t:p})}getLineWidth(e,t){return e===!0?Math.max(this.selectionWidth,.3/this._body.view.scale):t===!0?Math.max(this.hoverWidth,.3/this._body.view.scale):Math.max(this.options.width,.3/this._body.view.scale)}getColor(e,t){if(t.inheritsColor!==!1){if(t.inheritsColor==="both"&&this.from.id!==this.to.id){let s=e.createLinearGradient(this.from.x,this.from.y,this.to.x,this.to.y),o=this.from.options.color.highlight.border,n=this.to.options.color.highlight.border;return this.from.selected===!1&&this.to.selected===!1?(o=ue(this.from.options.color.border,t.opacity),n=ue(this.to.options.color.border,t.opacity)):this.from.selected===!0&&this.to.selected===!1?n=this.to.options.color.border:this.from.selected===!1&&this.to.selected===!0&&(o=this.from.options.color.border),s.addColorStop(0,o),s.addColorStop(1,n),s}return t.inheritsColor==="to"?ue(this.to.options.color.border,t.opacity):ue(this.from.options.color.border,t.opacity)}else return ue(t.color,t.opacity)}_circle(e,t,s,o,n){this.enableShadow(e,t);let a=0,d=Math.PI*2;if(!this.options.selfReference.renderBehindTheNode){let h=this.options.selfReference.angle,l=this.options.selfReference.angle+Math.PI,c=this._findBorderPositionCircle(this.from,e,{x:s,y:o,low:h,high:l,direction:-1}),u=this._findBorderPositionCircle(this.from,e,{x:s,y:o,low:h,high:l,direction:1});a=Math.atan2(c.y-o,c.x-s),d=Math.atan2(u.y-o,u.x-s)}e.beginPath(),e.arc(s,o,n,a,d,!1),e.stroke(),this.disableShadow(e,t)}getDistanceToEdge(e,t,s,o,n,a){if(this.from!=this.to)return this._getDistanceToEdge(e,t,s,o,n,a);{let[d,h,l]=this._getCircleData(void 0),c=d-n,u=h-a;return Math.abs(Math.sqrt(c*c+u*u)-l)}}_getDistanceToLine(e,t,s,o,n,a){let d=s-e,h=o-t,l=d*d+h*h,c=((n-e)*d+(a-t)*h)/l;c>1?c=1:c<0&&(c=0);let u=e+c*d,f=t+c*h,p=u-n,b=f-a;return Math.sqrt(p*p+b*b)}getArrowData(e,t,s,o,n,a){let d,h,l,c,u,f,p,b=a.width;t==="from"?(l=this.from,c=this.to,u=a.fromArrowScale<0,f=Math.abs(a.fromArrowScale),p=a.fromArrowType):t==="to"?(l=this.to,c=this.from,u=a.toArrowScale<0,f=Math.abs(a.toArrowScale),p=a.toArrowType):(l=this.to,c=this.from,u=a.middleArrowScale<0,f=Math.abs(a.middleArrowScale),p=a.middleArrowType);let _=15*f+3*b;if(l!=c){let S=Math.hypot(l.x-c.x,l.y-c.y),P=_/S;if(t!=="middle")if(this.options.smooth.enabled===!0){let M=this._findBorderPosition(l,e,{via:s}),N=this.getPoint(M.t+P*(t==="from"?1:-1),s);d=Math.atan2(M.y-N.y,M.x-N.x),h=M}else d=Math.atan2(l.y-c.y,l.x-c.x),h=this._findBorderPosition(l,e);else{let M=(u?-P:P)/2,N=this.getPoint(.5+M,s),W=this.getPoint(.5-M,s);d=Math.atan2(N.y-W.y,N.x-W.x),h=this.getPoint(.5,s)}}else{let[S,P,M]=this._getCircleData(e);if(t==="from"){let N=this.options.selfReference.angle,W=this.options.selfReference.angle+Math.PI,X=this._findBorderPositionCircle(this.from,e,{x:S,y:P,low:N,high:W,direction:-1});d=X.t*-2*Math.PI+1.5*Math.PI+.1*Math.PI,h=X}else if(t==="to"){let N=this.options.selfReference.angle,W=this.options.selfReference.angle+Math.PI,X=this._findBorderPositionCircle(this.from,e,{x:S,y:P,low:N,high:W,direction:1});d=X.t*-2*Math.PI+1.5*Math.PI-1.1*Math.PI,h=X}else{let N=this.options.selfReference.angle/(2*Math.PI);h=this._pointOnCircle(S,P,M,N),d=N*-2*Math.PI+1.5*Math.PI+.1*Math.PI}}let g=h.x-_*.9*Math.cos(d),v=h.y-_*.9*Math.sin(d);return{point:h,core:{x:g,y:v},angle:d,length:_,type:p}}drawArrowHead(e,t,s,o,n){e.strokeStyle=this.getColor(e,t),e.fillStyle=e.strokeStyle,e.lineWidth=t.width,Mi.draw(e,n)&&(this.enableShadow(e,t),e.fill(),this.disableShadow(e,t))}enableShadow(e,t){t.shadow===!0&&(e.shadowColor=t.shadowColor,e.shadowBlur=t.shadowSize,e.shadowOffsetX=t.shadowX,e.shadowOffsetY=t.shadowY)}disableShadow(e,t){t.shadow===!0&&(e.shadowColor="rgba(0,0,0,0)",e.shadowBlur=0,e.shadowOffsetX=0,e.shadowOffsetY=0)}drawBackground(e,t){if(t.background!==!1){let s={strokeStyle:e.strokeStyle,lineWidth:e.lineWidth,dashes:e.dashes};e.strokeStyle=t.backgroundColor,e.lineWidth=t.backgroundSize,this.setStrokeDashed(e,t.backgroundDashes),e.stroke(),e.strokeStyle=s.strokeStyle,e.lineWidth=s.lineWidth,e.dashes=s.dashes,this.setStrokeDashed(e,t.dashes)}}setStrokeDashed(e,t){if(t!==!1)if(e.setLineDash!==void 0){let s=Array.isArray(t)?t:[5,5];e.setLineDash(s)}else console.warn("setLineDash is not supported in this browser. The dashed stroke cannot be used.");else e.setLineDash!==void 0?e.setLineDash([]):console.warn("setLineDash is not supported in this browser. The dashed stroke cannot be used.")}},Zt=class extends Ni{constructor(e,t,s){super(e,t,s)}_findBorderPositionBezier(e,t,s=this._getViaCoordinates()){let o=10,n=.2,a=!1,d=1,h=0,l=this.to,c,u,f=this.options.endPointOffset?this.options.endPointOffset.to:0;e.id===this.from.id&&(l=this.from,a=!0,f=this.options.endPointOffset?this.options.endPointOffset.from:0),this.options.arrowStrikethrough===!1&&(f=0);let p=0;do{u=(h+d)*.5,c=this.getPoint(u,s);let b=Math.atan2(l.y-c.y,l.x-c.x),_=l.distanceToBorder(t,b)+f,g=Math.sqrt(Math.pow(c.x-l.x,2)+Math.pow(c.y-l.y,2)),v=_-g;if(Math.abs(v)<n)break;v<0?a===!1?h=u:d=u:a===!1?d=u:h=u,++p}while(h<=d&&p<o);return We(be({},c),{t:u})}_getDistanceToBezierEdge(e,t,s,o,n,a,d){let h=1e9,l,c,u,f,p,b=e,_=t;for(c=1;c<10;c++)u=.1*c,f=Math.pow(1-u,2)*e+2*u*(1-u)*d.x+Math.pow(u,2)*s,p=Math.pow(1-u,2)*t+2*u*(1-u)*d.y+Math.pow(u,2)*o,c>0&&(l=this._getDistanceToLine(b,_,f,p,n,a),h=l<h?l:h),b=f,_=p;return h}_bezierCurve(e,t,s,o){e.beginPath(),e.moveTo(this.fromPoint.x,this.fromPoint.y),s!=null&&s.x!=null?o!=null&&o.x!=null?e.bezierCurveTo(s.x,s.y,o.x,o.y,this.toPoint.x,this.toPoint.y):e.quadraticCurveTo(s.x,s.y,this.toPoint.x,this.toPoint.y):e.lineTo(this.toPoint.x,this.toPoint.y),this.drawBackground(e,t),this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}getViaNode(){return this._getViaCoordinates()}},Fi=class extends Zt{constructor(e,t,s){super(e,t,s);this.via=this.via,this._boundFunction=()=>{this.positionBezierNode()},this._body.emitter.on("_repositionBezierNodes",this._boundFunction)}setOptions(e){super.setOptions(e);let t=!1;this.options.physics!==e.physics&&(t=!0),this.options=e,this.id=this.options.id,this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.setupSupportNode(),this.connect(),t===!0&&(this.via.setOptions({physics:this.options.physics}),this.positionBezierNode())}connect(){this.from=this._body.nodes[this.options.from],this.to=this._body.nodes[this.options.to],this.from===void 0||this.to===void 0||this.options.physics===!1?this.via.setOptions({physics:!1}):this.from.id===this.to.id?this.via.setOptions({physics:!1}):this.via.setOptions({physics:!0})}cleanup(){return this._body.emitter.off("_repositionBezierNodes",this._boundFunction),this.via!==void 0?(delete this._body.nodes[this.via.id],this.via=void 0,!0):!1}setupSupportNode(){if(this.via===void 0){let e="edgeId:"+this.id,t=this._body.functions.createNode({id:e,shape:"circle",physics:!0,hidden:!0});this._body.nodes[e]=t,this.via=t,this.via.parentEdgeId=this.id,this.positionBezierNode()}}positionBezierNode(){this.via!==void 0&&this.from!==void 0&&this.to!==void 0?(this.via.x=.5*(this.from.x+this.to.x),this.via.y=.5*(this.from.y+this.to.y)):this.via!==void 0&&(this.via.x=0,this.via.y=0)}_line(e,t,s){this._bezierCurve(e,t,s)}_getViaCoordinates(){return this.via}getViaNode(){return this.via}getPoint(e,t=this.via){if(this.from===this.to){let[s,o,n]=this._getCircleData(),a=2*Math.PI*(1-e);return{x:s+n*Math.sin(a),y:o+n-n*(1-Math.cos(a))}}else return{x:Math.pow(1-e,2)*this.fromPoint.x+2*e*(1-e)*t.x+Math.pow(e,2)*this.toPoint.x,y:Math.pow(1-e,2)*this.fromPoint.y+2*e*(1-e)*t.y+Math.pow(e,2)*this.toPoint.y}}_findBorderPosition(e,t){return this._findBorderPositionBezier(e,t,this.via)}_getDistanceToEdge(e,t,s,o,n,a){return this._getDistanceToBezierEdge(e,t,s,o,n,a,this.via)}},Bi=class extends Zt{constructor(e,t,s){super(e,t,s)}_line(e,t,s){this._bezierCurve(e,t,s)}getViaNode(){return this._getViaCoordinates()}_getViaCoordinates(){let e=this.options.smooth.roundness,t=this.options.smooth.type,s=Math.abs(this.from.x-this.to.x),o=Math.abs(this.from.y-this.to.y);if(t==="discrete"||t==="diagonalCross"){let n,a;s<=o?n=a=e*o:n=a=e*s,this.from.x>this.to.x&&(n=-n),this.from.y>=this.to.y&&(a=-a);let d=this.from.x+n,h=this.from.y+a;return t==="discrete"&&(s<=o?d=s<e*o?this.from.x:d:h=o<e*s?this.from.y:h),{x:d,y:h}}else if(t==="straightCross"){let n=(1-e)*s,a=(1-e)*o;return s<=o?(n=0,this.from.y<this.to.y&&(a=-a)):(this.from.x<this.to.x&&(n=-n),a=0),{x:this.to.x+n,y:this.to.y+a}}else if(t==="horizontal"){let n=(1-e)*s;return this.from.x<this.to.x&&(n=-n),{x:this.to.x+n,y:this.from.y}}else if(t==="vertical"){let n=(1-e)*o;return this.from.y<this.to.y&&(n=-n),{x:this.from.x,y:this.to.y+n}}else if(t==="curvedCW"){s=this.to.x-this.from.x,o=this.from.y-this.to.y;let n=Math.sqrt(s*s+o*o),a=Math.PI,h=(Math.atan2(o,s)+(e*.5+.5)*a)%(2*a);return{x:this.from.x+(e*.5+.5)*n*Math.sin(h),y:this.from.y+(e*.5+.5)*n*Math.cos(h)}}else if(t==="curvedCCW"){s=this.to.x-this.from.x,o=this.from.y-this.to.y;let n=Math.sqrt(s*s+o*o),a=Math.PI,h=(Math.atan2(o,s)+(-e*.5+.5)*a)%(2*a);return{x:this.from.x+(e*.5+.5)*n*Math.sin(h),y:this.from.y+(e*.5+.5)*n*Math.cos(h)}}else{let n,a;s<=o?n=a=e*o:n=a=e*s,this.from.x>this.to.x&&(n=-n),this.from.y>=this.to.y&&(a=-a);let d=this.from.x+n,h=this.from.y+a;return s<=o?this.from.x<=this.to.x?d=this.to.x<d?this.to.x:d:d=this.to.x>d?this.to.x:d:this.from.y>=this.to.y?h=this.to.y>h?this.to.y:h:h=this.to.y<h?this.to.y:h,{x:d,y:h}}}_findBorderPosition(e,t,s={}){return this._findBorderPositionBezier(e,t,s.via)}_getDistanceToEdge(e,t,s,o,n,a,d=this._getViaCoordinates()){return this._getDistanceToBezierEdge(e,t,s,o,n,a,d)}getPoint(e,t=this._getViaCoordinates()){let s=e,o=Math.pow(1-s,2)*this.fromPoint.x+2*s*(1-s)*t.x+Math.pow(s,2)*this.toPoint.x,n=Math.pow(1-s,2)*this.fromPoint.y+2*s*(1-s)*t.y+Math.pow(s,2)*this.toPoint.y;return{x:o,y:n}}},Wo=class extends Zt{constructor(e,t,s){super(e,t,s)}_getDistanceToBezierEdge2(e,t,s,o,n,a,d,h){let l=1e9,c=e,u=t,f=[0,0,0,0];for(let p=1;p<10;p++){let b=.1*p;f[0]=Math.pow(1-b,3),f[1]=3*b*Math.pow(1-b,2),f[2]=3*Math.pow(b,2)*(1-b),f[3]=Math.pow(b,3);let _=f[0]*e+f[1]*d.x+f[2]*h.x+f[3]*s,g=f[0]*t+f[1]*d.y+f[2]*h.y+f[3]*o;if(p>0){let v=this._getDistanceToLine(c,u,_,g,n,a);l=v<l?v:l}c=_,u=g}return l}},Ai=class extends Wo{constructor(e,t,s){super(e,t,s)}_line(e,t,s){let o=s[0],n=s[1];this._bezierCurve(e,t,o,n)}_getViaCoordinates(){let e=this.from.x-this.to.x,t=this.from.y-this.to.y,s,o,n,a,d=this.options.smooth.roundness;return(Math.abs(e)>Math.abs(t)||this.options.smooth.forceDirection===!0||this.options.smooth.forceDirection==="horizontal")&&this.options.smooth.forceDirection!=="vertical"?(o=this.from.y,a=this.to.y,s=this.from.x-d*e,n=this.to.x+d*e):(o=this.from.y-d*t,a=this.to.y+d*t,s=this.from.x,n=this.to.x),[{x:s,y:o},{x:n,y:a}]}getViaNode(){return this._getViaCoordinates()}_findBorderPosition(e,t){return this._findBorderPositionBezier(e,t)}_getDistanceToEdge(e,t,s,o,n,a,[d,h]=this._getViaCoordinates()){return this._getDistanceToBezierEdge2(e,t,s,o,n,a,d,h)}getPoint(e,[t,s]=this._getViaCoordinates()){let o=e,n=[Math.pow(1-o,3),3*o*Math.pow(1-o,2),3*Math.pow(o,2)*(1-o),Math.pow(o,3)],a=n[0]*this.fromPoint.x+n[1]*t.x+n[2]*s.x+n[3]*this.toPoint.x,d=n[0]*this.fromPoint.y+n[1]*t.y+n[2]*s.y+n[3]*this.toPoint.y;return{x:a,y:d}}},zi=class extends Ni{constructor(e,t,s){super(e,t,s)}_line(e,t){e.beginPath(),e.moveTo(this.fromPoint.x,this.fromPoint.y),e.lineTo(this.toPoint.x,this.toPoint.y),this.enableShadow(e,t),e.stroke(),this.disableShadow(e,t)}getViaNode(){}getPoint(e){return{x:(1-e)*this.fromPoint.x+e*this.toPoint.x,y:(1-e)*this.fromPoint.y+e*this.toPoint.y}}_findBorderPosition(e,t){let s=this.to,o=this.from;e.id===this.from.id&&(s=this.from,o=this.to);let n=Math.atan2(s.y-o.y,s.x-o.x),a=s.x-o.x,d=s.y-o.y,h=Math.sqrt(a*a+d*d),l=e.distanceToBorder(t,n),c=(h-l)/h;return{x:(1-c)*o.x+c*s.x,y:(1-c)*o.y+c*s.y,t:0}}_getDistanceToEdge(e,t,s,o,n,a){return this._getDistanceToLine(e,t,s,o,n,a)}},Ne=class{constructor(e,t,s,o,n){if(t===void 0)throw new Error("No body provided");this.options=Oe(o),this.globalOptions=o,this.defaultOptions=n,this.body=t,this.imagelist=s,this.id=void 0,this.fromId=void 0,this.toId=void 0,this.selected=!1,this.hover=!1,this.labelDirty=!0,this.baseWidth=this.options.width,this.baseFontSize=this.options.font.size,this.from=void 0,this.to=void 0,this.edgeType=void 0,this.connected=!1,this.labelModule=new Je(this.body,this.options,!0),this.setOptions(e)}setOptions(e){if(!e)return;let t=typeof e.physics!="undefined"&&this.options.physics!==e.physics||typeof e.hidden!="undefined"&&(this.options.hidden||!1)!==(e.hidden||!1)||typeof e.from!="undefined"&&this.options.from!==e.from||typeof e.to!="undefined"&&this.options.to!==e.to;Ne.parseOptions(this.options,e,!0,this.globalOptions),e.id!==void 0&&(this.id=e.id),e.from!==void 0&&(this.fromId=e.from),e.to!==void 0&&(this.toId=e.to),e.title!==void 0&&(this.title=e.title),e.value!==void 0&&(e.value=parseFloat(e.value));let s=[e,this.options,this.defaultOptions];return this.chooser=Oi("edge",s),this.updateLabelModule(e),t=this.updateEdgeType()||t,this._setInteractionWidths(),this.connect(),t}static parseOptions(e,t,s=!1,o={},n=!1){if(Ze(["endPointOffset","arrowStrikethrough","id","from","hidden","hoverWidth","labelHighlightBold","length","line","opacity","physics","scaling","selectionWidth","selfReferenceSize","selfReference","to","title","value","width","font","chosen","widthConstraint"],e,t,s),t.endPointOffset!==void 0&&t.endPointOffset.from!==void 0&&(Number.isFinite(t.endPointOffset.from)?e.endPointOffset.from=t.endPointOffset.from:(e.endPointOffset.from=o.endPointOffset.from!==void 0?o.endPointOffset.from:0,console.error("endPointOffset.from is not a valid number"))),t.endPointOffset!==void 0&&t.endPointOffset.to!==void 0&&(Number.isFinite(t.endPointOffset.to)?e.endPointOffset.to=t.endPointOffset.to:(e.endPointOffset.to=o.endPointOffset.to!==void 0?o.endPointOffset.to:0,console.error("endPointOffset.to is not a valid number"))),Gt(t.label)?e.label=t.label:Gt(e.label)||(e.label=void 0),fe(e,t,"smooth",o),fe(e,t,"shadow",o),fe(e,t,"background",o),t.dashes!==void 0&&t.dashes!==null?e.dashes=t.dashes:s===!0&&t.dashes===null&&(e.dashes=Object.create(o.dashes)),t.scaling!==void 0&&t.scaling!==null?(t.scaling.min!==void 0&&(e.scaling.min=t.scaling.min),t.scaling.max!==void 0&&(e.scaling.max=t.scaling.max),fe(e.scaling,t.scaling,"label",o.scaling)):s===!0&&t.scaling===null&&(e.scaling=Object.create(o.scaling)),t.arrows!==void 0&&t.arrows!==null)if(typeof t.arrows=="string"){let d=t.arrows.toLowerCase();e.arrows.to.enabled=d.indexOf("to")!=-1,e.arrows.middle.enabled=d.indexOf("middle")!=-1,e.arrows.from.enabled=d.indexOf("from")!=-1}else if(typeof t.arrows=="object")fe(e.arrows,t.arrows,"to",o.arrows),fe(e.arrows,t.arrows,"middle",o.arrows),fe(e.arrows,t.arrows,"from",o.arrows);else throw new Error("The arrow newOptions can only be an object or a string. Refer to the documentation. You used:"+JSON.stringify(t.arrows));else s===!0&&t.arrows===null&&(e.arrows=Object.create(o.arrows));if(t.color!==void 0&&t.color!==null){let d=Se(t.color)?{color:t.color,highlight:t.color,hover:t.color,inherit:!1,opacity:1}:t.color,h=e.color;if(n)V(h,o.color,!1,s);else for(let l in h)Object.prototype.hasOwnProperty.call(h,l)&&delete h[l];if(Se(h))h.color=h,h.highlight=h,h.hover=h,h.inherit=!1,d.opacity===void 0&&(h.opacity=1);else{let l=!1;d.color!==void 0&&(h.color=d.color,l=!0),d.highlight!==void 0&&(h.highlight=d.highlight,l=!0),d.hover!==void 0&&(h.hover=d.hover,l=!0),d.inherit!==void 0&&(h.inherit=d.inherit),d.opacity!==void 0&&(h.opacity=Math.min(1,Math.max(0,d.opacity))),l===!0?h.inherit=!1:h.inherit===void 0&&(h.inherit="from")}}else s===!0&&t.color===null&&(e.color=Oe(o.color));s===!0&&t.font===null&&(e.font=Oe(o.font)),Object.prototype.hasOwnProperty.call(t,"selfReferenceSize")&&(console.warn("The selfReferenceSize property has been deprecated. Please use selfReference property instead. The selfReference can be set like thise selfReference:{size:30, angle:Math.PI / 4}"),e.selfReference.size=t.selfReferenceSize)}getFormattingValues(){let e=this.options.arrows.to===!0||this.options.arrows.to.enabled===!0,t=this.options.arrows.from===!0||this.options.arrows.from.enabled===!0,s=this.options.arrows.middle===!0||this.options.arrows.middle.enabled===!0,o=this.options.color.inherit,n={toArrow:e,toArrowScale:this.options.arrows.to.scaleFactor,toArrowType:this.options.arrows.to.type,toArrowSrc:this.options.arrows.to.src,toArrowImageWidth:this.options.arrows.to.imageWidth,toArrowImageHeight:this.options.arrows.to.imageHeight,middleArrow:s,middleArrowScale:this.options.arrows.middle.scaleFactor,middleArrowType:this.options.arrows.middle.type,middleArrowSrc:this.options.arrows.middle.src,middleArrowImageWidth:this.options.arrows.middle.imageWidth,middleArrowImageHeight:this.options.arrows.middle.imageHeight,fromArrow:t,fromArrowScale:this.options.arrows.from.scaleFactor,fromArrowType:this.options.arrows.from.type,fromArrowSrc:this.options.arrows.from.src,fromArrowImageWidth:this.options.arrows.from.imageWidth,fromArrowImageHeight:this.options.arrows.from.imageHeight,arrowStrikethrough:this.options.arrowStrikethrough,color:o?void 0:this.options.color.color,inheritsColor:o,opacity:this.options.color.opacity,hidden:this.options.hidden,length:this.options.length,shadow:this.options.shadow.enabled,shadowColor:this.options.shadow.color,shadowSize:this.options.shadow.size,shadowX:this.options.shadow.x,shadowY:this.options.shadow.y,dashes:this.options.dashes,width:this.options.width,background:this.options.background.enabled,backgroundColor:this.options.background.color,backgroundSize:this.options.background.size,backgroundDashes:this.options.background.dashes};if(this.selected||this.hover)if(this.chooser===!0){if(this.selected){let a=this.options.selectionWidth;typeof a=="function"?n.width=a(n.width):typeof a=="number"&&(n.width+=a),n.width=Math.max(n.width,.3/this.body.view.scale),n.color=this.options.color.highlight,n.shadow=this.options.shadow.enabled}else if(this.hover){let a=this.options.hoverWidth;typeof a=="function"?n.width=a(n.width):typeof a=="number"&&(n.width+=a),n.width=Math.max(n.width,.3/this.body.view.scale),n.color=this.options.color.hover,n.shadow=this.options.shadow.enabled}}else typeof this.chooser=="function"&&(this.chooser(n,this.options.id,this.selected,this.hover),n.color!==void 0&&(n.inheritsColor=!1),n.shadow===!1&&(n.shadowColor!==this.options.shadow.color||n.shadowSize!==this.options.shadow.size||n.shadowX!==this.options.shadow.x||n.shadowY!==this.options.shadow.y)&&(n.shadow=!0));else n.shadow=this.options.shadow.enabled,n.width=Math.max(n.width,.3/this.body.view.scale);return n}updateLabelModule(e){let t=[e,this.options,this.globalOptions,this.defaultOptions];this.labelModule.update(this.options,t),this.labelModule.baseSize!==void 0&&(this.baseFontSize=this.labelModule.baseSize)}updateEdgeType(){let e=this.options.smooth,t=!1,s=!0;return this.edgeType!==void 0&&((this.edgeType instanceof Fi&&e.enabled===!0&&e.type==="dynamic"||this.edgeType instanceof Ai&&e.enabled===!0&&e.type==="cubicBezier"||this.edgeType instanceof Bi&&e.enabled===!0&&e.type!=="dynamic"&&e.type!=="cubicBezier"||this.edgeType instanceof zi&&e.type.enabled===!1)&&(s=!1),s===!0&&(t=this.cleanup())),s===!0?e.enabled===!0?e.type==="dynamic"?(t=!0,this.edgeType=new Fi(this.options,this.body,this.labelModule)):e.type==="cubicBezier"?this.edgeType=new Ai(this.options,this.body,this.labelModule):this.edgeType=new Bi(this.options,this.body,this.labelModule):this.edgeType=new zi(this.options,this.body,this.labelModule):this.edgeType.setOptions(this.options),t}connect(){this.disconnect(),this.from=this.body.nodes[this.fromId]||void 0,this.to=this.body.nodes[this.toId]||void 0,this.connected=this.from!==void 0&&this.to!==void 0,this.connected===!0?(this.from.attachEdge(this),this.to.attachEdge(this)):(this.from&&this.from.detachEdge(this),this.to&&this.to.detachEdge(this)),this.edgeType.connect()}disconnect(){this.from&&(this.from.detachEdge(this),this.from=void 0),this.to&&(this.to.detachEdge(this),this.to=void 0),this.connected=!1}getTitle(){return this.title}isSelected(){return this.selected}getValue(){return this.options.value}setValueRange(e,t,s){if(this.options.value!==void 0){let o=this.options.scaling.customScalingFunction(e,t,s,this.options.value),n=this.options.scaling.max-this.options.scaling.min;if(this.options.scaling.label.enabled===!0){let a=this.options.scaling.label.max-this.options.scaling.label.min;this.options.font.size=this.options.scaling.label.min+o*a}this.options.width=this.options.scaling.min+o*n}else this.options.width=this.baseWidth,this.options.font.size=this.baseFontSize;this._setInteractionWidths(),this.updateLabelModule()}_setInteractionWidths(){typeof this.options.hoverWidth=="function"?this.edgeType.hoverWidth=this.options.hoverWidth(this.options.width):this.edgeType.hoverWidth=this.options.hoverWidth+this.options.width,typeof this.options.selectionWidth=="function"?this.edgeType.selectionWidth=this.options.selectionWidth(this.options.width):this.edgeType.selectionWidth=this.options.selectionWidth+this.options.width}draw(e){let t=this.getFormattingValues();if(t.hidden)return;let s=this.edgeType.getViaNode();this.edgeType.drawLine(e,t,this.selected,this.hover,s),this.drawLabel(e,s)}drawArrows(e){let t=this.getFormattingValues();if(t.hidden)return;let s=this.edgeType.getViaNode(),o={};this.edgeType.fromPoint=this.edgeType.from,this.edgeType.toPoint=this.edgeType.to,t.fromArrow&&(o.from=this.edgeType.getArrowData(e,"from",s,this.selected,this.hover,t),t.arrowStrikethrough===!1&&(this.edgeType.fromPoint=o.from.core),t.fromArrowSrc&&(o.from.image=this.imagelist.load(t.fromArrowSrc)),t.fromArrowImageWidth&&(o.from.imageWidth=t.fromArrowImageWidth),t.fromArrowImageHeight&&(o.from.imageHeight=t.fromArrowImageHeight)),t.toArrow&&(o.to=this.edgeType.getArrowData(e,"to",s,this.selected,this.hover,t),t.arrowStrikethrough===!1&&(this.edgeType.toPoint=o.to.core),t.toArrowSrc&&(o.to.image=this.imagelist.load(t.toArrowSrc)),t.toArrowImageWidth&&(o.to.imageWidth=t.toArrowImageWidth),t.toArrowImageHeight&&(o.to.imageHeight=t.toArrowImageHeight)),t.middleArrow&&(o.middle=this.edgeType.getArrowData(e,"middle",s,this.selected,this.hover,t),t.middleArrowSrc&&(o.middle.image=this.imagelist.load(t.middleArrowSrc)),t.middleArrowImageWidth&&(o.middle.imageWidth=t.middleArrowImageWidth),t.middleArrowImageHeight&&(o.middle.imageHeight=t.middleArrowImageHeight)),t.fromArrow&&this.edgeType.drawArrowHead(e,t,this.selected,this.hover,o.from),t.middleArrow&&this.edgeType.drawArrowHead(e,t,this.selected,this.hover,o.middle),t.toArrow&&this.edgeType.drawArrowHead(e,t,this.selected,this.hover,o.to)}drawLabel(e,t){if(this.options.label!==void 0){let s=this.from,o=this.to;this.labelModule.differentState(this.selected,this.hover)&&this.labelModule.getTextSize(e,this.selected,this.hover);let n;if(s.id!=o.id){this.labelModule.pointToSelf=!1,n=this.edgeType.getPoint(.5,t),e.save();let a=this._getRotation(e);a.angle!=0&&(e.translate(a.x,a.y),e.rotate(a.angle)),this.labelModule.draw(e,n.x,n.y,this.selected,this.hover),e.restore()}else{this.labelModule.pointToSelf=!0;let a=yo(e,this.options.selfReference.angle,this.options.selfReference.size,s);n=this._pointOnCircle(a.x,a.y,this.options.selfReference.size,this.options.selfReference.angle),this.labelModule.draw(e,n.x,n.y,this.selected,this.hover)}}}getItemsOnPoint(e){let t=[];if(this.labelModule.visible()){let o=this._getRotation();Ii(this.labelModule.getSize(),e,o)&&t.push({edgeId:this.id,labelId:0})}let s={left:e.x,top:e.y};return this.isOverlappingWith(s)&&t.push({edgeId:this.id}),t}isOverlappingWith(e){if(this.connected){let t=10,s=this.from.x,o=this.from.y,n=this.to.x,a=this.to.y,d=e.left,h=e.top;return this.edgeType.getDistanceToEdge(s,o,n,a,d,h)<t}else return!1}_getRotation(e){let t=this.edgeType.getViaNode(),s=this.edgeType.getPoint(.5,t);e!==void 0&&this.labelModule.calculateLabelSize(e,this.selected,this.hover,s.x,s.y);let o={x:s.x,y:this.labelModule.size.yLine,angle:0};if(!this.labelModule.visible()||this.options.font.align==="horizontal")return o;let n=this.from.y-this.to.y,a=this.from.x-this.to.x,d=Math.atan2(n,a);return(d<-1&&a<0||d>0&&a<0)&&(d+=Math.PI),o.angle=d,o}_pointOnCircle(e,t,s,o){return{x:e+s*Math.cos(o),y:t-s*Math.sin(o)}}select(){this.selected=!0}unselect(){this.selected=!1}cleanup(){return this.edgeType.cleanup()}remove(){this.cleanup(),this.disconnect(),delete this.body.edges[this.id]}endPointsValid(){return this.body.nodes[this.fromId]!==void 0&&this.body.nodes[this.toId]!==void 0}},Vo=class{constructor(e,t,s){this.body=e,this.images=t,this.groups=s,this.body.functions.createEdge=this.create.bind(this),this.edgesListeners={add:(o,n)=>{this.add(n.items)},update:(o,n)=>{this.update(n.items)},remove:(o,n)=>{this.remove(n.items)}},this.options={},this.defaultOptions={arrows:{to:{enabled:!1,scaleFactor:1,type:"arrow"},middle:{enabled:!1,scaleFactor:1,type:"arrow"},from:{enabled:!1,scaleFactor:1,type:"arrow"}},endPointOffset:{from:0,to:0},arrowStrikethrough:!0,color:{color:"#848484",highlight:"#848484",hover:"#848484",inherit:"from",opacity:1},dashes:!1,font:{color:"#343434",size:14,face:"arial",background:"none",strokeWidth:2,strokeColor:"#ffffff",align:"horizontal",multi:!1,vadjust:0,bold:{mod:"bold"},boldital:{mod:"bold italic"},ital:{mod:"italic"},mono:{mod:"",size:15,face:"courier new",vadjust:2}},hidden:!1,hoverWidth:1.5,label:void 0,labelHighlightBold:!0,length:void 0,physics:!0,scaling:{min:1,max:15,label:{enabled:!0,min:14,max:30,maxVisible:30,drawThreshold:5},customScalingFunction:function(o,n,a,d){if(n===o)return .5;{let h=1/(n-o);return Math.max(0,(d-o)*h)}}},selectionWidth:1.5,selfReference:{size:20,angle:Math.PI/4,renderBehindTheNode:!0},shadow:{enabled:!1,color:"rgba(0,0,0,0.5)",size:10,x:5,y:5},background:{enabled:!1,color:"rgba(111,111,111,1)",size:10,dashes:!1},smooth:{enabled:!0,type:"dynamic",forceDirection:"none",roundness:.5},title:void 0,width:1,value:void 0},V(this.options,this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("_forceDisableDynamicCurves",(e,t=!0)=>{e==="dynamic"&&(e="continuous");let s=!1;for(let o in this.body.edges)if(Object.prototype.hasOwnProperty.call(this.body.edges,o)){let n=this.body.edges[o],a=this.body.data.edges.get(o);if(a!=null){let d=a.smooth;d!==void 0&&d.enabled===!0&&d.type==="dynamic"&&(e===void 0?n.setOptions({smooth:!1}):n.setOptions({smooth:{type:e}}),s=!0)}}t===!0&&s===!0&&this.body.emitter.emit("_dataChanged")}),this.body.emitter.on("_dataUpdated",()=>{this.reconnectEdges()}),this.body.emitter.on("refreshEdges",this.refresh.bind(this)),this.body.emitter.on("refresh",this.refresh.bind(this)),this.body.emitter.on("destroy",()=>{F(this.edgesListeners,(e,t)=>{this.body.data.edges&&this.body.data.edges.off(t,e)}),delete this.body.functions.createEdge,delete this.edgesListeners.add,delete this.edgesListeners.update,delete this.edgesListeners.remove,delete this.edgesListeners})}setOptions(e){if(e!==void 0){Ne.parseOptions(this.options,e,!0,this.defaultOptions,!0);let t=!1;if(e.smooth!==void 0)for(let s in this.body.edges)Object.prototype.hasOwnProperty.call(this.body.edges,s)&&(t=this.body.edges[s].updateEdgeType()||t);if(e.font!==void 0)for(let s in this.body.edges)Object.prototype.hasOwnProperty.call(this.body.edges,s)&&this.body.edges[s].updateLabelModule();(e.hidden!==void 0||e.physics!==void 0||t===!0)&&this.body.emitter.emit("_dataChanged")}}setData(e,t=!1){let s=this.body.data.edges;if(xi("id",e))this.body.data.edges=e;else if(Array.isArray(e))this.body.data.edges=new De,this.body.data.edges.add(e);else if(!e)this.body.data.edges=new De;else throw new TypeError("Array or DataSet expected");if(s&&F(this.edgesListeners,(o,n)=>{s.off(n,o)}),this.body.edges={},this.body.data.edges){F(this.edgesListeners,(n,a)=>{this.body.data.edges.on(a,n)});let o=this.body.data.edges.getIds();this.add(o,!0)}this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),t===!1&&this.body.emitter.emit("_dataChanged")}add(e,t=!1){let s=this.body.edges,o=this.body.data.edges;for(let n=0;n<e.length;n++){let a=e[n],d=s[a];d&&d.disconnect();let h=o.get(a,{showInternalIds:!0});s[a]=this.create(h)}this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),t===!1&&this.body.emitter.emit("_dataChanged")}update(e){let t=this.body.edges,s=this.body.data.edges,o=!1;for(let n=0;n<e.length;n++){let a=e[n],d=s.get(a),h=t[a];h!==void 0?(h.disconnect(),o=h.setOptions(d)||o,h.connect()):(this.body.edges[a]=this.create(d),o=!0)}o===!0?(this.body.emitter.emit("_adjustEdgesForHierarchicalLayout"),this.body.emitter.emit("_dataChanged")):this.body.emitter.emit("_dataUpdated")}remove(e,t=!0){if(e.length===0)return;let s=this.body.edges;F(e,o=>{let n=s[o];n!==void 0&&n.remove()}),t&&this.body.emitter.emit("_dataChanged")}refresh(){F(this.body.edges,(e,t)=>{let s=this.body.data.edges.get(t);s!==void 0&&e.setOptions(s)})}create(e){return new Ne(e,this.body,this.images,this.options,this.defaultOptions)}reconnectEdges(){let e,t=this.body.nodes,s=this.body.edges;for(e in t)Object.prototype.hasOwnProperty.call(t,e)&&(t[e].edges=[]);for(e in s)if(Object.prototype.hasOwnProperty.call(s,e)){let o=s[e];o.from=null,o.to=null,o.connect()}}getConnectedNodes(e){let t=[];if(this.body.edges[e]!==void 0){let s=this.body.edges[e];s.fromId!==void 0&&t.push(s.fromId),s.toId!==void 0&&t.push(s.toId)}return t}_updateState(){this._addMissingEdges(),this._removeInvalidEdges()}_removeInvalidEdges(){let e=[];F(this.body.edges,(t,s)=>{let o=this.body.nodes[t.toId],n=this.body.nodes[t.fromId];o!==void 0&&o.isCluster===!0||n!==void 0&&n.isCluster===!0||(o===void 0||n===void 0)&&e.push(s)}),this.remove(e,!1)}_addMissingEdges(){let e=this.body.data.edges;if(e==null)return;let t=this.body.edges,s=[];e.forEach((o,n)=>{t[n]===void 0&&s.push(n)}),this.add(s,!0)}},Ri=class{constructor(e,t,s){this.body=e,this.physicsBody=t,this.barnesHutTree,this.setOptions(s),this._rng=_t("BARNES HUT SOLVER")}setOptions(e){this.options=e,this.thetaInversed=1/this.options.theta,this.overlapAvoidanceFactor=1-Math.max(0,Math.min(1,this.options.avoidOverlap))}solve(){if(this.options.gravitationalConstant!==0&&this.physicsBody.physicsNodeIndices.length>0){let e,t=this.body.nodes,s=this.physicsBody.physicsNodeIndices,o=s.length,n=this._formBarnesHutTree(t,s);this.barnesHutTree=n;for(let a=0;a<o;a++)e=t[s[a]],e.options.mass>0&&this._getForceContributions(n.root,e)}}_getForceContributions(e,t){this._getForceContribution(e.children.NW,t),this._getForceContribution(e.children.NE,t),this._getForceContribution(e.children.SW,t),this._getForceContribution(e.children.SE,t)}_getForceContribution(e,t){if(e.childrenCount>0){let s=e.centerOfMass.x-t.x,o=e.centerOfMass.y-t.y,n=Math.sqrt(s*s+o*o);n*e.calcSize>this.thetaInversed?this._calculateForces(n,s,o,t,e):e.childrenCount===4?this._getForceContributions(e,t):e.children.data.id!=t.id&&this._calculateForces(n,s,o,t,e)}}_calculateForces(e,t,s,o,n){e===0&&(e=.1,t=e),this.overlapAvoidanceFactor<1&&o.shape.radius&&(e=Math.max(.1+this.overlapAvoidanceFactor*o.shape.radius,e-o.shape.radius));let a=this.options.gravitationalConstant*n.mass*o.options.mass/Math.pow(e,3),d=t*a,h=s*a;this.physicsBody.forces[o.id].x+=d,this.physicsBody.forces[o.id].y+=h}_formBarnesHutTree(e,t){let s,o=t.length,n=e[t[0]].x,a=e[t[0]].y,d=e[t[0]].x,h=e[t[0]].y;for(let g=1;g<o;g++){let v=e[t[g]],T=v.x,S=v.y;v.options.mass>0&&(T<n&&(n=T),T>d&&(d=T),S<a&&(a=S),S>h&&(h=S))}let l=Math.abs(d-n)-Math.abs(h-a);l>0?(a-=.5*l,h+=.5*l):(n+=.5*l,d-=.5*l);let u=Math.max(1e-5,Math.abs(d-n)),f=.5*u,p=.5*(n+d),b=.5*(a+h),_={root:{centerOfMass:{x:0,y:0},mass:0,range:{minX:p-f,maxX:p+f,minY:b-f,maxY:b+f},size:u,calcSize:1/u,children:{data:null},maxWidth:0,level:0,childrenCount:4}};this._splitBranch(_.root);for(let g=0;g<o;g++)s=e[t[g]],s.options.mass>0&&this._placeInTree(_.root,s);return _}_updateBranchMass(e,t){let s=e.centerOfMass,o=e.mass+t.options.mass,n=1/o;s.x=s.x*e.mass+t.x*t.options.mass,s.x*=n,s.y=s.y*e.mass+t.y*t.options.mass,s.y*=n,e.mass=o;let a=Math.max(Math.max(t.height,t.radius),t.width);e.maxWidth=e.maxWidth<a?a:e.maxWidth}_placeInTree(e,t,s){(s!=!0||s===void 0)&&this._updateBranchMass(e,t);let o=e.children.NW.range,n;o.maxX>t.x?o.maxY>t.y?n="NW":n="SW":o.maxY>t.y?n="NE":n="SE",this._placeInRegion(e,t,n)}_placeInRegion(e,t,s){let o=e.children[s];switch(o.childrenCount){case 0:o.children.data=t,o.childrenCount=1,this._updateBranchMass(o,t);break;case 1:o.children.data.x===t.x&&o.children.data.y===t.y?(t.x+=this._rng(),t.y+=this._rng()):(this._splitBranch(o),this._placeInTree(o,t));break;case 4:this._placeInTree(o,t);break}}_splitBranch(e){let t=null;e.childrenCount===1&&(t=e.children.data,e.mass=0,e.centerOfMass.x=0,e.centerOfMass.y=0),e.childrenCount=4,e.children.data=null,this._insertRegion(e,"NW"),this._insertRegion(e,"NE"),this._insertRegion(e,"SW"),this._insertRegion(e,"SE"),t!=null&&this._placeInTree(e,t)}_insertRegion(e,t){let s,o,n,a,d=.5*e.size;switch(t){case"NW":s=e.range.minX,o=e.range.minX+d,n=e.range.minY,a=e.range.minY+d;break;case"NE":s=e.range.minX+d,o=e.range.maxX,n=e.range.minY,a=e.range.minY+d;break;case"SW":s=e.range.minX,o=e.range.minX+d,n=e.range.minY+d,a=e.range.maxY;break;case"SE":s=e.range.minX+d,o=e.range.maxX,n=e.range.minY+d,a=e.range.maxY;break}e.children[t]={centerOfMass:{x:0,y:0},mass:0,range:{minX:s,maxX:o,minY:n,maxY:a},size:.5*e.size,calcSize:2*e.calcSize,children:{data:null},maxWidth:0,level:e.level+1,childrenCount:0}}_debug(e,t){this.barnesHutTree!==void 0&&(e.lineWidth=1,this._drawBranch(this.barnesHutTree.root,e,t))}_drawBranch(e,t,s){s===void 0&&(s="#FF0000"),e.childrenCount===4&&(this._drawBranch(e.children.NW,t),this._drawBranch(e.children.NE,t),this._drawBranch(e.children.SE,t),this._drawBranch(e.children.SW,t)),t.strokeStyle=s,t.beginPath(),t.moveTo(e.range.minX,e.range.minY),t.lineTo(e.range.maxX,e.range.minY),t.stroke(),t.beginPath(),t.moveTo(e.range.maxX,e.range.minY),t.lineTo(e.range.maxX,e.range.maxY),t.stroke(),t.beginPath(),t.moveTo(e.range.maxX,e.range.maxY),t.lineTo(e.range.minX,e.range.maxY),t.stroke(),t.beginPath(),t.moveTo(e.range.minX,e.range.maxY),t.lineTo(e.range.minX,e.range.minY),t.stroke()}},qo=class{constructor(e,t,s){this._rng=_t("REPULSION SOLVER"),this.body=e,this.physicsBody=t,this.setOptions(s)}setOptions(e){this.options=e}solve(){let e,t,s,o,n,a,d,h,l=this.body.nodes,c=this.physicsBody.physicsNodeIndices,u=this.physicsBody.forces,f=this.options.nodeDistance,p=-2/3/f,b=4/3;for(let _=0;_<c.length-1;_++){d=l[c[_]];for(let g=_+1;g<c.length;g++)h=l[c[g]],e=h.x-d.x,t=h.y-d.y,s=Math.sqrt(e*e+t*t),s===0&&(s=.1*this._rng(),e=s),s<2*f&&(s<.5*f?a=1:a=p*s+b,a=a/s,o=e*a,n=t*a,u[d.id].x-=o,u[d.id].y-=n,u[h.id].x+=o,u[h.id].y+=n)}}},Yo=class{constructor(e,t,s){this.body=e,this.physicsBody=t,this.setOptions(s)}setOptions(e){this.options=e,this.overlapAvoidanceFactor=Math.max(0,Math.min(1,this.options.avoidOverlap||0))}solve(){let e=this.body.nodes,t=this.physicsBody.physicsNodeIndices,s=this.physicsBody.forces,o=this.options.nodeDistance;for(let n=0;n<t.length-1;n++){let a=e[t[n]];for(let d=n+1;d<t.length;d++){let h=e[t[d]];if(a.level===h.level){let l=o+this.overlapAvoidanceFactor*((a.shape.radius||0)/2+(h.shape.radius||0)/2),c=h.x-a.x,u=h.y-a.y,f=Math.sqrt(c*c+u*u),p=.05,b;f<l?b=-Math.pow(p*f,2)+Math.pow(p*l,2):b=0,f!==0&&(b=b/f);let _=c*b,g=u*b;s[a.id].x-=_,s[a.id].y-=g,s[h.id].x+=_,s[h.id].y+=g}}}}},Qt=class{constructor(e,t,s){this.body=e,this.physicsBody=t,this.setOptions(s)}setOptions(e){this.options=e}solve(){let e,t,s=this.physicsBody.physicsEdgeIndices,o=this.body.edges,n,a,d;for(let h=0;h<s.length;h++)t=o[s[h]],t.connected===!0&&t.toId!==t.fromId&&this.body.nodes[t.toId]!==void 0&&this.body.nodes[t.fromId]!==void 0&&(t.edgeType.via!==void 0?(e=t.options.length===void 0?this.options.springLength:t.options.length,n=t.to,a=t.edgeType.via,d=t.from,this._calculateSpringForce(n,a,.5*e),this._calculateSpringForce(a,d,.5*e)):(e=t.options.length===void 0?this.options.springLength*1.5:t.options.length,this._calculateSpringForce(t.from,t.to,e)))}_calculateSpringForce(e,t,s){let o=e.x-t.x,n=e.y-t.y,a=Math.max(Math.sqrt(o*o+n*n),.01),d=this.options.springConstant*(s-a)/a,h=o*d,l=n*d;this.physicsBody.forces[e.id]!==void 0&&(this.physicsBody.forces[e.id].x+=h,this.physicsBody.forces[e.id].y+=l),this.physicsBody.forces[t.id]!==void 0&&(this.physicsBody.forces[t.id].x-=h,this.physicsBody.forces[t.id].y-=l)}},Uo=class{constructor(e,t,s){this.body=e,this.physicsBody=t,this.setOptions(s)}setOptions(e){this.options=e}solve(){let e,t,s,o,n,a,d,h,l=this.body.edges,c=.5,u=this.physicsBody.physicsEdgeIndices,f=this.physicsBody.physicsNodeIndices,p=this.physicsBody.forces;for(let P=0;P<f.length;P++){let M=f[P];p[M].springFx=0,p[M].springFy=0}for(let P=0;P<u.length;P++)t=l[u[P]],t.connected===!0&&(e=t.options.length===void 0?this.options.springLength:t.options.length,s=t.from.x-t.to.x,o=t.from.y-t.to.y,h=Math.sqrt(s*s+o*o),h=h===0?.01:h,d=this.options.springConstant*(e-h)/h,n=s*d,a=o*d,t.to.level!=t.from.level?(p[t.toId]!==void 0&&(p[t.toId].springFx-=n,p[t.toId].springFy-=a),p[t.fromId]!==void 0&&(p[t.fromId].springFx+=n,p[t.fromId].springFy+=a)):(p[t.toId]!==void 0&&(p[t.toId].x-=c*n,p[t.toId].y-=c*a),p[t.fromId]!==void 0&&(p[t.fromId].x+=c*n,p[t.fromId].y+=c*a)));d=1;let b,_;for(let P=0;P<f.length;P++){let M=f[P];b=Math.min(d,Math.max(-d,p[M].springFx)),_=Math.min(d,Math.max(-d,p[M].springFy)),p[M].x+=b,p[M].y+=_}let g=0,v=0;for(let P=0;P<f.length;P++){let M=f[P];g+=p[M].x,v+=p[M].y}let T=g/f.length,S=v/f.length;for(let P=0;P<f.length;P++){let M=f[P];p[M].x-=T,p[M].y-=S}}},St=class{constructor(e,t,s){this.body=e,this.physicsBody=t,this.setOptions(s)}setOptions(e){this.options=e}solve(){let e,t,s,o,n=this.body.nodes,a=this.physicsBody.physicsNodeIndices,d=this.physicsBody.forces;for(let h=0;h<a.length;h++){let l=a[h];o=n[l],e=-o.x,t=-o.y,s=Math.sqrt(e*e+t*t),this._calculateForces(s,e,t,d,o)}}_calculateForces(e,t,s,o,n){let a=e===0?0:this.options.centralGravity/e;o[n.id].x=t*a,o[n.id].y=s*a}},Xo=class extends Ri{constructor(e,t,s){super(e,t,s);this._rng=_t("FORCE ATLAS 2 BASED REPULSION SOLVER")}_calculateForces(e,t,s,o,n){e===0&&(e=.1*this._rng(),t=e),this.overlapAvoidanceFactor<1&&o.shape.radius&&(e=Math.max(.1+this.overlapAvoidanceFactor*o.shape.radius,e-o.shape.radius));let a=o.edges.length+1,d=this.options.gravitationalConstant*n.mass*o.options.mass*a/Math.pow(e,2),h=t*d,l=s*d;this.physicsBody.forces[o.id].x+=h,this.physicsBody.forces[o.id].y+=l}},Go=class extends St{constructor(e,t,s){super(e,t,s)}_calculateForces(e,t,s,o,n){if(e>0){let a=n.edges.length+1,d=this.options.centralGravity*a*n.options.mass;o[n.id].x=t*d,o[n.id].y=s*d}}},Ko=class{constructor(e){this.body=e,this.physicsBody={physicsNodeIndices:[],physicsEdgeIndices:[],forces:{},velocities:{}},this.physicsEnabled=!0,this.simulationInterval=1e3/60,this.requiresTimeout=!0,this.previousStates={},this.referenceState={},this.freezeCache={},this.renderTimer=void 0,this.adaptiveTimestep=!1,this.adaptiveTimestepEnabled=!1,this.adaptiveCounter=0,this.adaptiveInterval=3,this.stabilized=!1,this.startedStabilization=!1,this.stabilizationIterations=0,this.ready=!1,this.options={},this.defaultOptions={enabled:!0,barnesHut:{theta:.5,gravitationalConstant:-2e3,centralGravity:.3,springLength:95,springConstant:.04,damping:.09,avoidOverlap:0},forceAtlas2Based:{theta:.5,gravitationalConstant:-50,centralGravity:.01,springConstant:.08,springLength:100,damping:.4,avoidOverlap:0},repulsion:{centralGravity:.2,springLength:200,springConstant:.05,nodeDistance:100,damping:.09,avoidOverlap:0},hierarchicalRepulsion:{centralGravity:0,springLength:100,springConstant:.01,nodeDistance:120,damping:.09},maxVelocity:50,minVelocity:.75,solver:"barnesHut",stabilization:{enabled:!0,iterations:1e3,updateInterval:50,onlyDynamicEdges:!1,fit:!0},timestep:.5,adaptiveTimestep:!0,wind:{x:0,y:0}},Object.assign(this.options,this.defaultOptions),this.timestep=.5,this.layoutFailed=!1,this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("initPhysics",()=>{this.initPhysics()}),this.body.emitter.on("_layoutFailed",()=>{this.layoutFailed=!0}),this.body.emitter.on("resetPhysics",()=>{this.stopSimulation(),this.ready=!1}),this.body.emitter.on("disablePhysics",()=>{this.physicsEnabled=!1,this.stopSimulation()}),this.body.emitter.on("restorePhysics",()=>{this.setOptions(this.options),this.ready===!0&&this.startSimulation()}),this.body.emitter.on("startSimulation",()=>{this.ready===!0&&this.startSimulation()}),this.body.emitter.on("stopSimulation",()=>{this.stopSimulation()}),this.body.emitter.on("destroy",()=>{this.stopSimulation(!1),this.body.emitter.off()}),this.body.emitter.on("_dataChanged",()=>{this.updatePhysicsData()})}setOptions(e){if(e!==void 0)if(e===!1)this.options.enabled=!1,this.physicsEnabled=!1,this.stopSimulation();else if(e===!0)this.options.enabled=!0,this.physicsEnabled=!0,this.startSimulation();else{this.physicsEnabled=!0,Et(["stabilization"],this.options,e),fe(this.options,e,"stabilization"),e.enabled===void 0&&(this.options.enabled=!0),this.options.enabled===!1&&(this.physicsEnabled=!1,this.stopSimulation());let t=this.options.wind;t&&((typeof t.x!="number"||Number.isNaN(t.x))&&(t.x=0),(typeof t.y!="number"||Number.isNaN(t.y))&&(t.y=0)),this.timestep=this.options.timestep}this.init()}init(){let e;this.options.solver==="forceAtlas2Based"?(e=this.options.forceAtlas2Based,this.nodesSolver=new Xo(this.body,this.physicsBody,e),this.edgesSolver=new Qt(this.body,this.physicsBody,e),this.gravitySolver=new Go(this.body,this.physicsBody,e)):this.options.solver==="repulsion"?(e=this.options.repulsion,this.nodesSolver=new qo(this.body,this.physicsBody,e),this.edgesSolver=new Qt(this.body,this.physicsBody,e),this.gravitySolver=new St(this.body,this.physicsBody,e)):this.options.solver==="hierarchicalRepulsion"?(e=this.options.hierarchicalRepulsion,this.nodesSolver=new Yo(this.body,this.physicsBody,e),this.edgesSolver=new Uo(this.body,this.physicsBody,e),this.gravitySolver=new St(this.body,this.physicsBody,e)):(e=this.options.barnesHut,this.nodesSolver=new Ri(this.body,this.physicsBody,e),this.edgesSolver=new Qt(this.body,this.physicsBody,e),this.gravitySolver=new St(this.body,this.physicsBody,e)),this.modelOptions=e}initPhysics(){this.physicsEnabled===!0&&this.options.enabled===!0?this.options.stabilization.enabled===!0?this.stabilize():(this.stabilized=!1,this.ready=!0,this.body.emitter.emit("fit",{},this.layoutFailed),this.startSimulation()):(this.ready=!0,this.body.emitter.emit("fit"))}startSimulation(){this.physicsEnabled===!0&&this.options.enabled===!0?(this.stabilized=!1,this.adaptiveTimestep=!1,this.body.emitter.emit("_resizeNodes"),this.viewFunction===void 0&&(this.viewFunction=this.simulationStep.bind(this),this.body.emitter.on("initRedraw",this.viewFunction),this.body.emitter.emit("_startRendering"))):this.body.emitter.emit("_redraw")}stopSimulation(e=!0){this.stabilized=!0,e===!0&&this._emitStabilized(),this.viewFunction!==void 0&&(this.body.emitter.off("initRedraw",this.viewFunction),this.viewFunction=void 0,e===!0&&this.body.emitter.emit("_stopRendering"))}simulationStep(){let e=Date.now();this.physicsTick(),(Date.now()-e<.4*this.simulationInterval||this.runDoubleSpeed===!0)&&this.stabilized===!1&&(this.physicsTick(),this.runDoubleSpeed=!0),this.stabilized===!0&&this.stopSimulation()}_emitStabilized(e=this.stabilizationIterations){(this.stabilizationIterations>1||this.startedStabilization===!0)&&setTimeout(()=>{this.body.emitter.emit("stabilized",{iterations:e}),this.startedStabilization=!1,this.stabilizationIterations=0},0)}physicsStep(){this.gravitySolver.solve(),this.nodesSolver.solve(),this.edgesSolver.solve(),this.moveNodes()}adjustTimeStep(){let e=1.2;this._evaluateStepQuality()===!0?this.timestep=e*this.timestep:this.timestep/e<this.options.timestep?this.timestep=this.options.timestep:(this.adaptiveCounter=-1,this.timestep=Math.max(this.options.timestep,this.timestep/e))}physicsTick(){this._startStabilizing(),this.stabilized!==!0&&(this.adaptiveTimestep===!0&&this.adaptiveTimestepEnabled===!0?(this.adaptiveCounter%this.adaptiveInterval==0?(this.timestep=2*this.timestep,this.physicsStep(),this.revert(),this.timestep=.5*this.timestep,this.physicsStep(),this.physicsStep(),this.adjustTimeStep()):this.physicsStep(),this.adaptiveCounter+=1):(this.timestep=this.options.timestep,this.physicsStep()),this.stabilized===!0&&this.revert(),this.stabilizationIterations++)}updatePhysicsData(){this.physicsBody.forces={},this.physicsBody.physicsNodeIndices=[],this.physicsBody.physicsEdgeIndices=[];let e=this.body.nodes,t=this.body.edges;for(let s in e)Object.prototype.hasOwnProperty.call(e,s)&&e[s].options.physics===!0&&this.physicsBody.physicsNodeIndices.push(e[s].id);for(let s in t)Object.prototype.hasOwnProperty.call(t,s)&&t[s].options.physics===!0&&this.physicsBody.physicsEdgeIndices.push(t[s].id);for(let s=0;s<this.physicsBody.physicsNodeIndices.length;s++){let o=this.physicsBody.physicsNodeIndices[s];this.physicsBody.forces[o]={x:0,y:0},this.physicsBody.velocities[o]===void 0&&(this.physicsBody.velocities[o]={x:0,y:0})}for(let s in this.physicsBody.velocities)e[s]===void 0&&delete this.physicsBody.velocities[s]}revert(){let e=Object.keys(this.previousStates),t=this.body.nodes,s=this.physicsBody.velocities;this.referenceState={};for(let o=0;o<e.length;o++){let n=e[o];t[n]!==void 0?t[n].options.physics===!0&&(this.referenceState[n]={positions:{x:t[n].x,y:t[n].y}},s[n].x=this.previousStates[n].vx,s[n].y=this.previousStates[n].vy,t[n].x=this.previousStates[n].x,t[n].y=this.previousStates[n].y):delete this.previousStates[n]}}_evaluateStepQuality(){let e,t,s,o=this.body.nodes,n=this.referenceState,a=.3;for(let d in this.referenceState)if(Object.prototype.hasOwnProperty.call(this.referenceState,d)&&o[d]!==void 0&&(e=o[d].x-n[d].positions.x,t=o[d].y-n[d].positions.y,s=Math.sqrt(Math.pow(e,2)+Math.pow(t,2)),s>a))return!1;return!0}moveNodes(){let e=this.physicsBody.physicsNodeIndices,t=0,s=0,o=5;for(let n=0;n<e.length;n++){let a=e[n],d=this._performStep(a);t=Math.max(t,d),s+=d}this.adaptiveTimestepEnabled=s/e.length<o,this.stabilized=t<this.options.minVelocity}calculateComponentVelocity(e,t,s){let o=this.modelOptions.damping*e;e+=(t-o)/s*this.timestep;let a=this.options.maxVelocity||1e9;return Math.abs(e)>a&&(e=e>0?a:-a),e}_performStep(e){let t=this.body.nodes[e],s=this.physicsBody.forces[e];this.options.wind&&(s.x+=this.options.wind.x,s.y+=this.options.wind.y);let o=this.physicsBody.velocities[e];return this.previousStates[e]={x:t.x,y:t.y,vx:o.x,vy:o.y},t.options.fixed.x===!1?(o.x=this.calculateComponentVelocity(o.x,s.x,t.options.mass),t.x+=o.x*this.timestep):(s.x=0,o.x=0),t.options.fixed.y===!1?(o.y=this.calculateComponentVelocity(o.y,s.y,t.options.mass),t.y+=o.y*this.timestep):(s.y=0,o.y=0),Math.sqrt(Math.pow(o.x,2)+Math.pow(o.y,2))}_freezeNodes(){let e=this.body.nodes;for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)&&e[t].x&&e[t].y){let s=e[t].options.fixed;this.freezeCache[t]={x:s.x,y:s.y},s.x=!0,s.y=!0}}_restoreFrozenNodes(){let e=this.body.nodes;for(let t in e)Object.prototype.hasOwnProperty.call(e,t)&&this.freezeCache[t]!==void 0&&(e[t].options.fixed.x=this.freezeCache[t].x,e[t].options.fixed.y=this.freezeCache[t].y);this.freezeCache={}}stabilize(e=this.options.stabilization.iterations){if(typeof e!="number"&&(e=this.options.stabilization.iterations,console.error("The stabilize method needs a numeric amount of iterations. Switching to default: ",e)),this.physicsBody.physicsNodeIndices.length===0){this.ready=!0;return}this.adaptiveTimestep=this.options.adaptiveTimestep,this.body.emitter.emit("_resizeNodes"),this.stopSimulation(),this.stabilized=!1,this.body.emitter.emit("_blockRedraw"),this.targetIterations=e,this.options.stabilization.onlyDynamicEdges===!0&&this._freezeNodes(),this.stabilizationIterations=0,setTimeout(()=>this._stabilizationBatch(),0)}_startStabilizing(){return this.startedStabilization===!0?!1:(this.body.emitter.emit("startStabilizing"),this.startedStabilization=!0,!0)}_stabilizationBatch(){let e=()=>this.stabilized===!1&&this.stabilizationIterations<this.targetIterations,t=()=>{this.body.emitter.emit("stabilizationProgress",{iterations:this.stabilizationIterations,total:this.targetIterations})};this._startStabilizing()&&t();let s=0;for(;e()&&s<this.options.stabilization.updateInterval;)this.physicsTick(),s++;t(),e()?setTimeout(this._stabilizationBatch.bind(this),0):this._finalizeStabilization()}_finalizeStabilization(){this.body.emitter.emit("_allowRedraw"),this.options.stabilization.fit===!0&&this.body.emitter.emit("fit"),this.options.stabilization.onlyDynamicEdges===!0&&this._restoreFrozenNodes(),this.body.emitter.emit("stabilizationIterationsDone"),this.body.emitter.emit("_requestRedraw"),this.stabilized===!0?this._emitStabilized():this.startSimulation(),this.ready=!0}_drawForces(e){for(let t=0;t<this.physicsBody.physicsNodeIndices.length;t++){let s=this.physicsBody.physicsNodeIndices[t],o=this.body.nodes[s],n=this.physicsBody.forces[s],a=20,d=.03,h=Math.sqrt(Math.pow(n.x,2)+Math.pow(n.x,2)),l=Math.min(Math.max(5,h),15),c=3*l,u=Vt((180-Math.min(1,Math.max(0,d*h))*180)/360,1,1),f={x:o.x+a*n.x,y:o.y+a*n.y};e.lineWidth=l,e.strokeStyle=u,e.beginPath(),e.moveTo(o.x,o.y),e.lineTo(f.x,f.y),e.stroke();let p=Math.atan2(n.y,n.x);e.fillStyle=u,Mi.draw(e,{type:"arrow",point:f,angle:p,length:c}),e.fill()}}},oe=class{constructor(){}static getRange(e,t=[]){let s=1e9,o=-1e9,n=1e9,a=-1e9,d;if(t.length>0)for(let h=0;h<t.length;h++)d=e[t[h]],n>d.shape.boundingBox.left&&(n=d.shape.boundingBox.left),a<d.shape.boundingBox.right&&(a=d.shape.boundingBox.right),s>d.shape.boundingBox.top&&(s=d.shape.boundingBox.top),o<d.shape.boundingBox.bottom&&(o=d.shape.boundingBox.bottom);return n===1e9&&a===-1e9&&s===1e9&&o===-1e9&&(s=0,o=0,n=0,a=0),{minX:n,maxX:a,minY:s,maxY:o}}static getRangeCore(e,t=[]){let s=1e9,o=-1e9,n=1e9,a=-1e9,d;if(t.length>0)for(let h=0;h<t.length;h++)d=e[t[h]],n>d.x&&(n=d.x),a<d.x&&(a=d.x),s>d.y&&(s=d.y),o<d.y&&(o=d.y);return n===1e9&&a===-1e9&&s===1e9&&o===-1e9&&(s=0,o=0,n=0,a=0),{minX:n,maxX:a,minY:s,maxY:o}}static findCenter(e){return{x:.5*(e.maxX+e.minX),y:.5*(e.maxY+e.minY)}}static cloneOptions(e,t){let s={};return t===void 0||t==="node"?(V(s,e.options,!0),s.x=e.x,s.y=e.y,s.amountOfConnections=e.edges.length):V(s,e.options,!0),s}},$o=class extends U{constructor(e,t,s,o,n,a){super(e,t,s,o,n,a);this.isCluster=!0,this.containedNodes={},this.containedEdges={}}_openChildCluster(e){let t=this.body.nodes[e];if(this.containedNodes[e]===void 0)throw new Error("node with id: "+e+" not in current cluster");if(!t.isCluster)throw new Error("node with id: "+e+" is not a cluster");delete this.containedNodes[e],F(t.edges,s=>{delete this.containedEdges[s.id]}),F(t.containedNodes,(s,o)=>{this.containedNodes[o]=s}),t.containedNodes={},F(t.containedEdges,(s,o)=>{this.containedEdges[o]=s}),t.containedEdges={},F(t.edges,s=>{F(this.edges,o=>{let n=o.clusteringEdgeReplacingIds.indexOf(s.id);n!==-1&&(F(s.clusteringEdgeReplacingIds,a=>{o.clusteringEdgeReplacingIds.push(a),this.body.edges[a].edgeReplacedById=o.id}),o.clusteringEdgeReplacingIds.splice(n,1))})}),t.edges=[]}},Zo=class{constructor(e){this.body=e,this.clusteredNodes={},this.clusteredEdges={},this.options={},this.defaultOptions={},Object.assign(this.options,this.defaultOptions),this.body.emitter.on("_resetData",()=>{this.clusteredNodes={},this.clusteredEdges={}})}clusterByHubsize(e,t){e===void 0?e=this._getHubSize():typeof e=="object"&&(t=this._checkOptions(e),e=this._getHubSize());let s=[];for(let o=0;o<this.body.nodeIndices.length;o++){let n=this.body.nodes[this.body.nodeIndices[o]];n.edges.length>=e&&s.push(n.id)}for(let o=0;o<s.length;o++)this.clusterByConnection(s[o],t,!0);this.body.emitter.emit("_dataChanged")}cluster(e={},t=!0){if(e.joinCondition===void 0)throw new Error("Cannot call clusterByNodeData without a joinCondition function in the options.");e=this._checkOptions(e);let s={},o={};F(this.body.nodes,(n,a)=>{n.options&&e.joinCondition(n.options)===!0&&(s[a]=n,F(n.edges,d=>{this.clusteredEdges[d.id]===void 0&&(o[d.id]=d)}))}),this._cluster(s,o,e,t)}clusterByEdgeCount(e,t,s=!0){t=this._checkOptions(t);let o=[],n={},a,d,h;for(let l=0;l<this.body.nodeIndices.length;l++){let c={},u={},f=this.body.nodeIndices[l],p=this.body.nodes[f];if(n[f]===void 0){h=0,d=[];for(let b=0;b<p.edges.length;b++)a=p.edges[b],this.clusteredEdges[a.id]===void 0&&(a.toId!==a.fromId&&h++,d.push(a));if(h===e){let b=function(g){if(t.joinCondition===void 0||t.joinCondition===null)return!0;let v=oe.cloneOptions(g);return t.joinCondition(v)},_=!0;for(let g=0;g<d.length;g++){a=d[g];let v=this._getConnectedId(a,f);if(b(p))u[a.id]=a,c[f]=p,c[v]=this.body.nodes[v],n[f]=!0;else{_=!1;break}}if(Object.keys(c).length>0&&Object.keys(u).length>0&&_===!0){let v=function(){for(let T=0;T<o.length;++T)for(let S in c)if(o[T].nodes[S]!==void 0)return o[T]}();if(v!==void 0){for(let T in c)v.nodes[T]===void 0&&(v.nodes[T]=c[T]);for(let T in u)v.edges[T]===void 0&&(v.edges[T]=u[T])}else o.push({nodes:c,edges:u})}}}}for(let l=0;l<o.length;l++)this._cluster(o[l].nodes,o[l].edges,t,!1);s===!0&&this.body.emitter.emit("_dataChanged")}clusterOutliers(e,t=!0){this.clusterByEdgeCount(1,e,t)}clusterBridges(e,t=!0){this.clusterByEdgeCount(2,e,t)}clusterByConnection(e,t,s=!0){if(e===void 0)throw new Error("No nodeId supplied to clusterByConnection!");if(this.body.nodes[e]===void 0)throw new Error("The nodeId given to clusterByConnection does not exist!");let o=this.body.nodes[e];t=this._checkOptions(t,o),t.clusterNodeProperties.x===void 0&&(t.clusterNodeProperties.x=o.x),t.clusterNodeProperties.y===void 0&&(t.clusterNodeProperties.y=o.y),t.clusterNodeProperties.fixed===void 0&&(t.clusterNodeProperties.fixed={},t.clusterNodeProperties.fixed.x=o.options.fixed.x,t.clusterNodeProperties.fixed.y=o.options.fixed.y);let n={},a={},d=o.id,h=oe.cloneOptions(o);n[d]=o;for(let c=0;c<o.edges.length;c++){let u=o.edges[c];if(this.clusteredEdges[u.id]===void 0){let f=this._getConnectedId(u,d);if(this.clusteredNodes[f]===void 0)if(f!==d)if(t.joinCondition===void 0)a[u.id]=u,n[f]=this.body.nodes[f];else{let p=oe.cloneOptions(this.body.nodes[f]);t.joinCondition(h,p)===!0&&(a[u.id]=u,n[f]=this.body.nodes[f])}else a[u.id]=u}}let l=Object.keys(n).map(function(c){return n[c].id});for(let c in n){if(!Object.prototype.hasOwnProperty.call(n,c))continue;let u=n[c];for(let f=0;f<u.edges.length;f++){let p=u.edges[f];l.indexOf(this._getConnectedId(p,u.id))>-1&&(a[p.id]=p)}}this._cluster(n,a,t,s)}_createClusterEdges(e,t,s,o){let n,a,d,h,l,c,u=Object.keys(e),f=[];for(let _=0;_<u.length;_++){a=u[_],d=e[a];for(let g=0;g<d.edges.length;g++)n=d.edges[g],this.clusteredEdges[n.id]===void 0&&(n.toId==n.fromId?t[n.id]=n:n.toId==a?(h=s.id,l=n.fromId,c=l):(h=n.toId,l=s.id,c=h),e[c]===void 0&&f.push({edge:n,fromId:l,toId:h}))}let p=[],b=function(_){for(let g=0;g<p.length;g++){let v=p[g],T=_.fromId===v.fromId&&_.toId===v.toId,S=_.fromId===v.toId&&_.toId===v.fromId;if(T||S)return v}return null};for(let _=0;_<f.length;_++){let g=f[_],v=g.edge,T=b(g);T===null?(T=this._createClusteredEdge(g.fromId,g.toId,v,o),p.push(T)):T.clusteringEdgeReplacingIds.push(v.id),this.body.edges[v.id].edgeReplacedById=T.id,this._backupEdgeOptions(v),v.setOptions({physics:!1})}}_checkOptions(e={}){return e.clusterEdgeProperties===void 0&&(e.clusterEdgeProperties={}),e.clusterNodeProperties===void 0&&(e.clusterNodeProperties={}),e}_cluster(e,t,s,o=!0){let n=[];for(let c in e)Object.prototype.hasOwnProperty.call(e,c)&&this.clusteredNodes[c]!==void 0&&n.push(c);for(let c=0;c<n.length;++c)delete e[n[c]];if(Object.keys(e).length==0||Object.keys(e).length==1&&s.clusterNodeProperties.allowSingleNodeCluster!=!0)return;let a=V({},s.clusterNodeProperties);if(s.processProperties!==void 0){let c=[];for(let f in e)if(Object.prototype.hasOwnProperty.call(e,f)){let p=oe.cloneOptions(e[f]);c.push(p)}let u=[];for(let f in t)if(Object.prototype.hasOwnProperty.call(t,f)&&f.substr(0,12)!=="clusterEdge:"){let p=oe.cloneOptions(t[f],"edge");u.push(p)}if(a=s.processProperties(a,c,u),!a)throw new Error("The processProperties function does not return properties!")}a.id===void 0&&(a.id="cluster:"+Pe());let d=a.id;a.label===void 0&&(a.label="cluster");let h;a.x===void 0&&(h=this._getClusterPosition(e),a.x=h.x),a.y===void 0&&(h===void 0&&(h=this._getClusterPosition(e)),a.y=h.y),a.id=d;let l=this.body.functions.createNode(a,$o);l.containedNodes=e,l.containedEdges=t,l.clusterEdgeProperties=s.clusterEdgeProperties,this.body.nodes[a.id]=l,this._clusterEdges(e,t,a,s.clusterEdgeProperties),a.id=void 0,o===!0&&this.body.emitter.emit("_dataChanged")}_backupEdgeOptions(e){this.clusteredEdges[e.id]===void 0&&(this.clusteredEdges[e.id]={physics:e.options.physics})}_restoreEdge(e){let t=this.clusteredEdges[e.id];t!==void 0&&(e.setOptions({physics:t.physics}),delete this.clusteredEdges[e.id])}isCluster(e){return this.body.nodes[e]!==void 0?this.body.nodes[e].isCluster===!0:(console.error("Node does not exist."),!1)}_getClusterPosition(e){let t=Object.keys(e),s=e[t[0]].x,o=e[t[0]].x,n=e[t[0]].y,a=e[t[0]].y,d;for(let h=1;h<t.length;h++)d=e[t[h]],s=d.x<s?d.x:s,o=d.x>o?d.x:o,n=d.y<n?d.y:n,a=d.y>a?d.y:a;return{x:.5*(s+o),y:.5*(n+a)}}openCluster(e,t,s=!0){if(e===void 0)throw new Error("No clusterNodeId supplied to openCluster.");let o=this.body.nodes[e];if(o===void 0)throw new Error("The clusterNodeId supplied to openCluster does not exist.");if(o.isCluster!==!0||o.containedNodes===void 0||o.containedEdges===void 0)throw new Error("The node:"+e+" is not a valid cluster.");let n=this.findNode(e),a=n.indexOf(e)-1;if(a>=0){let c=n[a];this.body.nodes[c]._openChildCluster(e),delete this.body.nodes[e],s===!0&&this.body.emitter.emit("_dataChanged");return}let d=o.containedNodes,h=o.containedEdges;if(t!==void 0&&t.releaseFunction!==void 0&&typeof t.releaseFunction=="function"){let c={},u={x:o.x,y:o.y};for(let p in d)if(Object.prototype.hasOwnProperty.call(d,p)){let b=this.body.nodes[p];c[p]={x:b.x,y:b.y}}let f=t.releaseFunction(u,c);for(let p in d)if(Object.prototype.hasOwnProperty.call(d,p)){let b=this.body.nodes[p];f[p]!==void 0&&(b.x=f[p].x===void 0?o.x:f[p].x,b.y=f[p].y===void 0?o.y:f[p].y)}}else F(d,function(c){c.options.fixed.x===!1&&(c.x=o.x),c.options.fixed.y===!1&&(c.y=o.y)});for(let c in d)if(Object.prototype.hasOwnProperty.call(d,c)){let u=this.body.nodes[c];u.vx=o.vx,u.vy=o.vy,u.setOptions({physics:!0}),delete this.clusteredNodes[c]}let l=[];for(let c=0;c<o.edges.length;c++)l.push(o.edges[c]);for(let c=0;c<l.length;c++){let u=l[c],f=this._getConnectedId(u,e),p=this.clusteredNodes[f];for(let b=0;b<u.clusteringEdgeReplacingIds.length;b++){let _=u.clusteringEdgeReplacingIds[b],g=this.body.edges[_];if(g!==void 0)if(p!==void 0){let v=this.body.nodes[p.clusterId];v.containedEdges[g.id]=g,delete h[g.id];let T=g.fromId,S=g.toId;g.toId==f?S=p.clusterId:T=p.clusterId,this._createClusteredEdge(T,S,g,v.clusterEdgeProperties,{hidden:!1,physics:!0})}else this._restoreEdge(g)}u.remove()}for(let c in h)Object.prototype.hasOwnProperty.call(h,c)&&this._restoreEdge(h[c]);delete this.body.nodes[e],s===!0&&this.body.emitter.emit("_dataChanged")}getNodesInCluster(e){let t=[];if(this.isCluster(e)===!0){let s=this.body.nodes[e].containedNodes;for(let o in s)Object.prototype.hasOwnProperty.call(s,o)&&t.push(this.body.nodes[o].id)}return t}findNode(e){let t=[],s=100,o=0,n;for(;this.clusteredNodes[e]!==void 0&&o<s;){if(n=this.body.nodes[e],n===void 0)return[];t.push(n.id),e=this.clusteredNodes[e].clusterId,o++}return n=this.body.nodes[e],n===void 0?[]:(t.push(n.id),t.reverse(),t)}updateClusteredNode(e,t){if(e===void 0)throw new Error("No clusteredNodeId supplied to updateClusteredNode.");if(t===void 0)throw new Error("No newOptions supplied to updateClusteredNode.");if(this.body.nodes[e]===void 0)throw new Error("The clusteredNodeId supplied to updateClusteredNode does not exist.");this.body.nodes[e].setOptions(t),this.body.emitter.emit("_dataChanged")}updateEdge(e,t){if(e===void 0)throw new Error("No startEdgeId supplied to updateEdge.");if(t===void 0)throw new Error("No newOptions supplied to updateEdge.");if(this.body.edges[e]===void 0)throw new Error("The startEdgeId supplied to updateEdge does not exist.");let s=this.getClusteredEdges(e);for(let o=0;o<s.length;o++)this.body.edges[s[o]].setOptions(t);this.body.emitter.emit("_dataChanged")}getClusteredEdges(e){let t=[],s=100,o=0;for(;e!==void 0&&this.body.edges[e]!==void 0&&o<s;)t.push(this.body.edges[e].id),e=this.body.edges[e].edgeReplacedById,o++;return t.reverse(),t}getBaseEdge(e){return this.getBaseEdges(e)[0]}getBaseEdges(e){let t=[e],s=[],o=[],n=100,a=0;for(;t.length>0&&a<n;){let d=t.pop();if(d===void 0)continue;let h=this.body.edges[d];if(h===void 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t=Object.assign({nodes:e,minZoomLevel:Number.MIN_VALUE,maxZoomLevel:1},r!=null?r:{});if(!Array.isArray(t.nodes))throw new TypeError("Nodes has to be an array of ids.");if(t.nodes.length===0&&(t.nodes=e),!(typeof t.minZoomLevel=="number"&&t.minZoomLevel>0))throw new TypeError("Min zoom level has to be a number higher than zero.");if(!(typeof t.maxZoomLevel=="number"&&t.minZoomLevel<=t.maxZoomLevel))throw new TypeError("Max zoom level has to be a number higher than min zoom level.");return t}var tn=class{constructor(e,t){this.body=e,this.canvas=t,this.animationSpeed=1/this.renderRefreshRate,this.animationEasingFunction="easeInOutQuint",this.easingTime=0,this.sourceScale=0,this.targetScale=0,this.sourceTranslation=0,this.targetTranslation=0,this.lockedOnNodeId=void 0,this.lockedOnNodeOffset=void 0,this.touchTime=0,this.viewFunction=void 0,this.body.emitter.on("fit",this.fit.bind(this)),this.body.emitter.on("animationFinished",()=>{this.body.emitter.emit("_stopRendering")}),this.body.emitter.on("unlockNode",this.releaseNode.bind(this))}setOptions(e={}){this.options=e}fit(e,t=!1){e=Ta(e,this.body.nodeIndices);let s=this.canvas.frame.canvas.clientWidth,o=this.canvas.frame.canvas.clientHeight,n,a;if(s===0||o===0)a=1,n=oe.getRange(this.body.nodes,e.nodes);else if(t===!0){let l=0;for(let f in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,f)&&this.body.nodes[f].predefinedPosition===!0&&(l+=1);if(l>.5*this.body.nodeIndices.length){this.fit(e,!1);return}n=oe.getRange(this.body.nodes,e.nodes);let c=this.body.nodeIndices.length;a=12.662/(c+7.4147)+.0964822,a*=Math.min(s/600,o/600)}else{this.body.emitter.emit("_resizeNodes"),n=oe.getRange(this.body.nodes,e.nodes);let l=Math.abs(n.maxX-n.minX)*1.1,c=Math.abs(n.maxY-n.minY)*1.1,u=s/l,f=o/c;a=u<=f?u:f}a>e.maxZoomLevel?a=e.maxZoomLevel:a<e.minZoomLevel&&(a=e.minZoomLevel);let h={position:oe.findCenter(n),scale:a,animation:e.animation};this.moveTo(h)}focus(e,t={}){if(this.body.nodes[e]!==void 0){let s={x:this.body.nodes[e].x,y:this.body.nodes[e].y};t.position=s,t.lockedOnNode=e,this.moveTo(t)}else console.error("Node: "+e+" cannot be found.")}moveTo(e){if(e===void 0){e={};return}if(e.offset!=null){if(e.offset.x!=null){if(e.offset.x=+e.offset.x,!Number.isFinite(e.offset.x))throw new TypeError('The option "offset.x" has to be a finite number.')}else e.offset.x=0;if(e.offset.y!=null){if(e.offset.y=+e.offset.y,!Number.isFinite(e.offset.y))throw new TypeError('The option "offset.y" has to be a finite number.')}else e.offset.x=0}else e.offset={x:0,y:0};if(e.position!=null){if(e.position.x!=null){if(e.position.x=+e.position.x,!Number.isFinite(e.position.x))throw new TypeError('The option "position.x" has to be a finite number.')}else e.position.x=0;if(e.position.y!=null){if(e.position.y=+e.position.y,!Number.isFinite(e.position.y))throw new TypeError('The option "position.y" has to be a finite number.')}else e.position.x=0}else e.position=this.getViewPosition();if(e.scale!=null){if(e.scale=+e.scale,!(e.scale>0))throw new TypeError('The option "scale" has to be a number greater than zero.')}else e.scale=this.body.view.scale;e.animation===void 0&&(e.animation={duration:0}),e.animation===!1&&(e.animation={duration:0}),e.animation===!0&&(e.animation={}),e.animation.duration===void 0&&(e.animation.duration=1e3),e.animation.easingFunction===void 0&&(e.animation.easingFunction="easeInOutQuad"),this.animateView(e)}animateView(e){if(e===void 0)return;this.animationEasingFunction=e.animation.easingFunction,this.releaseNode(),e.locked===!0&&(this.lockedOnNodeId=e.lockedOnNode,this.lockedOnNodeOffset=e.offset),this.easingTime!=0&&this._transitionRedraw(!0),this.sourceScale=this.body.view.scale,this.sourceTranslation=this.body.view.translation,this.targetScale=e.scale,this.body.view.scale=this.targetScale;let t=this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight}),s={x:t.x-e.position.x,y:t.y-e.position.y};this.targetTranslation={x:this.sourceTranslation.x+s.x*this.targetScale+e.offset.x,y:this.sourceTranslation.y+s.y*this.targetScale+e.offset.y},e.animation.duration===0?this.lockedOnNodeId!=null?(this.viewFunction=this._lockedRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction)):(this.body.view.scale=this.targetScale,this.body.view.translation=this.targetTranslation,this.body.emitter.emit("_requestRedraw")):(this.animationSpeed=1/(60*e.animation.duration*.001)||1/60,this.animationEasingFunction=e.animation.easingFunction,this.viewFunction=this._transitionRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction),this.body.emitter.emit("_startRendering"))}_lockedRedraw(){let e={x:this.body.nodes[this.lockedOnNodeId].x,y:this.body.nodes[this.lockedOnNodeId].y},t=this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight}),s={x:t.x-e.x,y:t.y-e.y},o=this.body.view.translation,n={x:o.x+s.x*this.body.view.scale+this.lockedOnNodeOffset.x,y:o.y+s.y*this.body.view.scale+this.lockedOnNodeOffset.y};this.body.view.translation=n}releaseNode(){this.lockedOnNodeId!==void 0&&this.viewFunction!==void 0&&(this.body.emitter.off("initRedraw",this.viewFunction),this.lockedOnNodeId=void 0,this.lockedOnNodeOffset=void 0)}_transitionRedraw(e=!1){this.easingTime+=this.animationSpeed,this.easingTime=e===!0?1:this.easingTime;let t=Ws[this.animationEasingFunction](this.easingTime);this.body.view.scale=this.sourceScale+(this.targetScale-this.sourceScale)*t,this.body.view.translation={x:this.sourceTranslation.x+(this.targetTranslation.x-this.sourceTranslation.x)*t,y:this.sourceTranslation.y+(this.targetTranslation.y-this.sourceTranslation.y)*t},this.easingTime>=1&&(this.body.emitter.off("initRedraw",this.viewFunction),this.easingTime=0,this.lockedOnNodeId!=null&&(this.viewFunction=this._lockedRedraw.bind(this),this.body.emitter.on("initRedraw",this.viewFunction)),this.body.emitter.emit("animationFinished"))}getScale(){return this.body.view.scale}getViewPosition(){return this.canvas.DOMtoCanvas({x:.5*this.canvas.frame.canvas.clientWidth,y:.5*this.canvas.frame.canvas.clientHeight})}},sn=class{constructor(e,t){this.body=e,this.canvas=t,this.iconsCreated=!1,this.navigationHammers=[],this.boundFunctions={},this.touchTime=0,this.activated=!1,this.body.emitter.on("activate",()=>{this.activated=!0,this.configureKeyboardBindings()}),this.body.emitter.on("deactivate",()=>{this.activated=!1,this.configureKeyboardBindings()}),this.body.emitter.on("destroy",()=>{this.keycharm!==void 0&&this.keycharm.destroy()}),this.options={}}setOptions(e){e!==void 0&&(this.options=e,this.create())}create(){this.options.navigationButtons===!0?this.iconsCreated===!1&&this.loadNavigationElements():this.iconsCreated===!0&&this.cleanNavigation(),this.configureKeyboardBindings()}cleanNavigation(){if(this.navigationHammers.length!=0){for(let e=0;e<this.navigationHammers.length;e++)this.navigationHammers[e].destroy();this.navigationHammers=[]}this.navigationDOM&&this.navigationDOM.wrapper&&this.navigationDOM.wrapper.parentNode&&this.navigationDOM.wrapper.parentNode.removeChild(this.navigationDOM.wrapper),this.iconsCreated=!1}loadNavigationElements(){this.cleanNavigation(),this.navigationDOM={};let e=["up","down","left","right","zoomIn","zoomOut","zoomExtends"],t=["_moveUp","_moveDown","_moveLeft","_moveRight","_zoomIn","_zoomOut","_fit"];this.navigationDOM.wrapper=document.createElement("div"),this.navigationDOM.wrapper.className="vis-navigation",this.canvas.frame.appendChild(this.navigationDOM.wrapper);for(let o=0;o<e.length;o++){this.navigationDOM[e[o]]=document.createElement("div"),this.navigationDOM[e[o]].className="vis-button vis-"+e[o],this.navigationDOM.wrapper.appendChild(this.navigationDOM[e[o]]);let n=new Qe(this.navigationDOM[e[o]]);t[o]==="_fit"?Jt(n,this._fit.bind(this)):Jt(n,this.bindToRedraw.bind(this,t[o])),this.navigationHammers.push(n)}let s=new Qe(this.canvas.frame);Jo(s,()=>{this._stopMovement()}),this.navigationHammers.push(s),this.iconsCreated=!0}bindToRedraw(e){this.boundFunctions[e]===void 0&&(this.boundFunctions[e]=this[e].bind(this),this.body.emitter.on("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_startRendering"))}unbindFromRedraw(e){this.boundFunctions[e]!==void 0&&(this.body.emitter.off("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_stopRendering"),delete this.boundFunctions[e])}_fit(){new Date().valueOf()-this.touchTime>700&&(this.body.emitter.emit("fit",{duration:700}),this.touchTime=new Date().valueOf())}_stopMovement(){for(let e in this.boundFunctions)Object.prototype.hasOwnProperty.call(this.boundFunctions,e)&&(this.body.emitter.off("initRedraw",this.boundFunctions[e]),this.body.emitter.emit("_stopRendering"));this.boundFunctions={}}_moveUp(){this.body.view.translation.y+=this.options.keyboard.speed.y}_moveDown(){this.body.view.translation.y-=this.options.keyboard.speed.y}_moveLeft(){this.body.view.translation.x+=this.options.keyboard.speed.x}_moveRight(){this.body.view.translation.x-=this.options.keyboard.speed.x}_zoomIn(){let e=this.body.view.scale,t=this.body.view.scale*(1+this.options.keyboard.speed.zoom),s=this.body.view.translation,o=t/e,n=(1-o)*this.canvas.canvasViewCenter.x+s.x*o,a=(1-o)*this.canvas.canvasViewCenter.y+s.y*o;this.body.view.scale=t,this.body.view.translation={x:n,y:a},this.body.emitter.emit("zoom",{direction:"+",scale:this.body.view.scale,pointer:null})}_zoomOut(){let e=this.body.view.scale,t=this.body.view.scale/(1+this.options.keyboard.speed.zoom),s=this.body.view.translation,o=t/e,n=(1-o)*this.canvas.canvasViewCenter.x+s.x*o,a=(1-o)*this.canvas.canvasViewCenter.y+s.y*o;this.body.view.scale=t,this.body.view.translation={x:n,y:a},this.body.emitter.emit("zoom",{direction:"-",scale:this.body.view.scale,pointer:null})}configureKeyboardBindings(){this.keycharm!==void 0&&this.keycharm.destroy(),this.options.keyboard.enabled===!0&&(this.options.keyboard.bindToWindow===!0?this.keycharm=Xt({container:window,preventDefault:!0}):this.keycharm=Xt({container:this.canvas.frame,preventDefault:!0}),this.keycharm.reset(),this.activated===!0&&(this.keycharm.bind("up",()=>{this.bindToRedraw("_moveUp")},"keydown"),this.keycharm.bind("down",()=>{this.bindToRedraw("_moveDown")},"keydown"),this.keycharm.bind("left",()=>{this.bindToRedraw("_moveLeft")},"keydown"),this.keycharm.bind("right",()=>{this.bindToRedraw("_moveRight")},"keydown"),this.keycharm.bind("=",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("num+",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("num-",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("-",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("[",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("]",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("pageup",()=>{this.bindToRedraw("_zoomIn")},"keydown"),this.keycharm.bind("pagedown",()=>{this.bindToRedraw("_zoomOut")},"keydown"),this.keycharm.bind("up",()=>{this.unbindFromRedraw("_moveUp")},"keyup"),this.keycharm.bind("down",()=>{this.unbindFromRedraw("_moveDown")},"keyup"),this.keycharm.bind("left",()=>{this.unbindFromRedraw("_moveLeft")},"keyup"),this.keycharm.bind("right",()=>{this.unbindFromRedraw("_moveRight")},"keyup"),this.keycharm.bind("=",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("num+",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("num-",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("-",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("[",()=>{this.unbindFromRedraw("_zoomOut")},"keyup"),this.keycharm.bind("]",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("pageup",()=>{this.unbindFromRedraw("_zoomIn")},"keyup"),this.keycharm.bind("pagedown",()=>{this.unbindFromRedraw("_zoomOut")},"keyup")))}},on=class{constructor(e,t,s){this.body=e,this.canvas=t,this.selectionHandler=s,this.navigationHandler=new sn(e,t),this.body.eventListeners.onTap=this.onTap.bind(this),this.body.eventListeners.onTouch=this.onTouch.bind(this),this.body.eventListeners.onDoubleTap=this.onDoubleTap.bind(this),this.body.eventListeners.onHold=this.onHold.bind(this),this.body.eventListeners.onDragStart=this.onDragStart.bind(this),this.body.eventListeners.onDrag=this.onDrag.bind(this),this.body.eventListeners.onDragEnd=this.onDragEnd.bind(this),this.body.eventListeners.onMouseWheel=this.onMouseWheel.bind(this),this.body.eventListeners.onPinch=this.onPinch.bind(this),this.body.eventListeners.onMouseMove=this.onMouseMove.bind(this),this.body.eventListeners.onRelease=this.onRelease.bind(this),this.body.eventListeners.onContext=this.onContext.bind(this),this.touchTime=0,this.drag={},this.pinch={},this.popup=void 0,this.popupObj=void 0,this.popupTimer=void 0,this.body.functions.getPointer=this.getPointer.bind(this),this.options={},this.defaultOptions={dragNodes:!0,dragView:!0,hover:!1,keyboard:{enabled:!1,speed:{x:10,y:10,zoom:.02},bindToWindow:!0,autoFocus:!0},navigationButtons:!1,tooltipDelay:300,zoomView:!0,zoomSpeed:1},Object.assign(this.options,this.defaultOptions),this.bindEventListeners()}bindEventListeners(){this.body.emitter.on("destroy",()=>{clearTimeout(this.popupTimer),delete this.body.functions.getPointer})}setOptions(e){e!==void 0&&(Et(["hideEdgesOnDrag","hideEdgesOnZoom","hideNodesOnDrag","keyboard","multiselect","selectable","selectConnectedEdges"],this.options,e),fe(this.options,e,"keyboard"),e.tooltip&&(Object.assign(this.options.tooltip,e.tooltip),e.tooltip.color&&(this.options.tooltip.color=jt(e.tooltip.color)))),this.navigationHandler.setOptions(this.options)}getPointer(e){return{x:e.x-zs(this.canvas.frame.canvas),y:e.y-Rs(this.canvas.frame.canvas)}}onTouch(e){new Date().valueOf()-this.touchTime>50&&(this.drag.pointer=this.getPointer(e.center),this.drag.pinched=!1,this.pinch.scale=this.body.view.scale,this.touchTime=new Date().valueOf())}onTap(e){let t=this.getPointer(e.center),s=this.selectionHandler.options.multiselect&&(e.changedPointers[0].ctrlKey||e.changedPointers[0].metaKey);this.checkSelectionChanges(t,s),this.selectionHandler.commitAndEmit(t,e),this.selectionHandler.generateClickEvent("click",e,t)}onDoubleTap(e){let t=this.getPointer(e.center);this.selectionHandler.generateClickEvent("doubleClick",e,t)}onHold(e){let t=this.getPointer(e.center),s=this.selectionHandler.options.multiselect;this.checkSelectionChanges(t,s),this.selectionHandler.commitAndEmit(t,e),this.selectionHandler.generateClickEvent("click",e,t),this.selectionHandler.generateClickEvent("hold",e,t)}onRelease(e){if(new Date().valueOf()-this.touchTime>10){let t=this.getPointer(e.center);this.selectionHandler.generateClickEvent("release",e,t),this.touchTime=new Date().valueOf()}}onContext(e){let t=this.getPointer({x:e.clientX,y:e.clientY});this.selectionHandler.generateClickEvent("oncontext",e,t)}checkSelectionChanges(e,t=!1){t===!0?this.selectionHandler.selectAdditionalOnPoint(e):this.selectionHandler.selectOnPoint(e)}_determineDifference(e,t){let s=function(o,n){let a=[];for(let d=0;d<o.length;d++){let h=o[d];n.indexOf(h)===-1&&a.push(h)}return a};return{nodes:s(e.nodes,t.nodes),edges:s(e.edges,t.edges)}}onDragStart(e){if(this.drag.dragging)return;this.drag.pointer===void 0&&this.onTouch(e);let t=this.selectionHandler.getNodeAt(this.drag.pointer);if(this.drag.dragging=!0,this.drag.selection=[],this.drag.translation=Object.assign({},this.body.view.translation),this.drag.nodeId=void 0,e.srcEvent.shiftKey){this.body.selectionBox.show=!0;let s=this.getPointer(e.center);this.body.selectionBox.position.start={x:this.canvas._XconvertDOMtoCanvas(s.x),y:this.canvas._YconvertDOMtoCanvas(s.y)},this.body.selectionBox.position.end={x:this.canvas._XconvertDOMtoCanvas(s.x),y:this.canvas._YconvertDOMtoCanvas(s.y)}}else if(t!==void 0&&this.options.dragNodes===!0){this.drag.nodeId=t.id,t.isSelected()===!1&&this.selectionHandler.setSelection({nodes:[t.id]}),this.selectionHandler.generateClickEvent("dragStart",e,this.drag.pointer);for(let s of this.selectionHandler.getSelectedNodes()){let o={id:s.id,node:s,x:s.x,y:s.y,xFixed:s.options.fixed.x,yFixed:s.options.fixed.y};s.options.fixed.x=!0,s.options.fixed.y=!0,this.drag.selection.push(o)}}else this.selectionHandler.generateClickEvent("dragStart",e,this.drag.pointer,void 0,!0)}onDrag(e){if(this.drag.pinched===!0)return;this.body.emitter.emit("unlockNode");let t=this.getPointer(e.center),s=this.drag.selection;if(s&&s.length&&this.options.dragNodes===!0){this.selectionHandler.generateClickEvent("dragging",e,t);let o=t.x-this.drag.pointer.x,n=t.y-this.drag.pointer.y;s.forEach(a=>{let d=a.node;a.xFixed===!1&&(d.x=this.canvas._XconvertDOMtoCanvas(this.canvas._XconvertCanvasToDOM(a.x)+o)),a.yFixed===!1&&(d.y=this.canvas._YconvertDOMtoCanvas(this.canvas._YconvertCanvasToDOM(a.y)+n))}),this.body.emitter.emit("startSimulation")}else{if(e.srcEvent.shiftKey){if(this.selectionHandler.generateClickEvent("dragging",e,t,void 0,!0),this.drag.pointer===void 0){this.onDragStart(e);return}this.body.selectionBox.position.end={x:this.canvas._XconvertDOMtoCanvas(t.x),y:this.canvas._YconvertDOMtoCanvas(t.y)},this.body.emitter.emit("_requestRedraw")}if(this.options.dragView===!0&&!e.srcEvent.shiftKey){if(this.selectionHandler.generateClickEvent("dragging",e,t,void 0,!0),this.drag.pointer===void 0){this.onDragStart(e);return}let o=t.x-this.drag.pointer.x,n=t.y-this.drag.pointer.y;this.body.view.translation={x:this.drag.translation.x+o,y:this.drag.translation.y+n},this.body.emitter.emit("_requestRedraw")}}}onDragEnd(e){if(this.drag.dragging=!1,this.body.selectionBox.show){this.body.selectionBox.show=!1;let t=this.body.selectionBox.position,s={minX:Math.min(t.start.x,t.end.x),minY:Math.min(t.start.y,t.end.y),maxX:Math.max(t.start.x,t.end.x),maxY:Math.max(t.start.y,t.end.y)};this.body.nodeIndices.filter(a=>{let d=this.body.nodes[a];return d.x>=s.minX&&d.x<=s.maxX&&d.y>=s.minY&&d.y<=s.maxY}).forEach(a=>this.selectionHandler.selectObject(this.body.nodes[a]));let n=this.getPointer(e.center);this.selectionHandler.commitAndEmit(n,e),this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center),void 0,!0),this.body.emitter.emit("_requestRedraw")}else{let t=this.drag.selection;t&&t.length?(t.forEach(function(s){s.node.options.fixed.x=s.xFixed,s.node.options.fixed.y=s.yFixed}),this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center)),this.body.emitter.emit("startSimulation")):(this.selectionHandler.generateClickEvent("dragEnd",e,this.getPointer(e.center),void 0,!0),this.body.emitter.emit("_requestRedraw"))}}onPinch(e){let t=this.getPointer(e.center);this.drag.pinched=!0,this.pinch.scale===void 0&&(this.pinch.scale=1);let s=this.pinch.scale*e.scale;this.zoom(s,t)}zoom(e,t){if(this.options.zoomView===!0){let s=this.body.view.scale;e<1e-5&&(e=1e-5),e>10&&(e=10);let o;this.drag!==void 0&&this.drag.dragging===!0&&(o=this.canvas.DOMtoCanvas(this.drag.pointer));let n=this.body.view.translation,a=e/s,d=(1-a)*t.x+n.x*a,h=(1-a)*t.y+n.y*a;if(this.body.view.scale=e,this.body.view.translation={x:d,y:h},o!=null){let l=this.canvas.canvasToDOM(o);this.drag.pointer.x=l.x,this.drag.pointer.y=l.y}this.body.emitter.emit("_requestRedraw"),s<e?this.body.emitter.emit("zoom",{direction:"+",scale:this.body.view.scale,pointer:t}):this.body.emitter.emit("zoom",{direction:"-",scale:this.body.view.scale,pointer:t})}}onMouseWheel(e){if(this.options.zoomView===!0){if(e.deltaY!==0){let t=this.body.view.scale;t*=1+(e.deltaY<0?1:-1)*(this.options.zoomSpeed*.1);let s=this.getPointer({x:e.clientX,y:e.clientY});this.zoom(t,s)}e.preventDefault()}}onMouseMove(e){let t=this.getPointer({x:e.clientX,y:e.clientY}),s=!1;this.popup!==void 0&&(this.popup.hidden===!1&&this._checkHidePopup(t),this.popup.hidden===!1&&(s=!0,this.popup.setPosition(t.x+3,t.y-5),this.popup.show())),this.options.keyboard.autoFocus&&this.options.keyboard.bindToWindow===!1&&this.options.keyboard.enabled===!0&&this.canvas.frame.focus(),s===!1&&(this.popupTimer!==void 0&&(clearInterval(this.popupTimer),this.popupTimer=void 0),this.drag.dragging||(this.popupTimer=setTimeout(()=>this._checkShowPopup(t),this.options.tooltipDelay))),this.options.hover===!0&&this.selectionHandler.hoverObject(e,t)}_checkShowPopup(e){let t=this.canvas._XconvertDOMtoCanvas(e.x),s=this.canvas._YconvertDOMtoCanvas(e.y),o={left:t,top:s,right:t,bottom:s},n=this.popupObj===void 0?void 0:this.popupObj.id,a=!1,d="node";if(this.popupObj===void 0){let h=this.body.nodeIndices,l=this.body.nodes,c,u=[];for(let f=0;f<h.length;f++)c=l[h[f]],c.isOverlappingWith(o)===!0&&(a=!0,c.getTitle()!==void 0&&u.push(h[f]));u.length>0&&(this.popupObj=l[u[u.length-1]],a=!0)}if(this.popupObj===void 0&&a===!1){let h=this.body.edgeIndices,l=this.body.edges,c,u=[];for(let f=0;f<h.length;f++)c=l[h[f]],c.isOverlappingWith(o)===!0&&c.connected===!0&&c.getTitle()!==void 0&&u.push(h[f]);u.length>0&&(this.popupObj=l[u[u.length-1]],d="edge")}this.popupObj!==void 0?this.popupObj.id!==n&&(this.popup===void 0&&(this.popup=new Us(this.canvas.frame)),this.popup.popupTargetType=d,this.popup.popupTargetId=this.popupObj.id,this.popup.setPosition(e.x+3,e.y-5),this.popup.setText(this.popupObj.getTitle()),this.popup.show(),this.body.emitter.emit("showPopup",this.popupObj.id)):this.popup!==void 0&&(this.popup.hide(),this.body.emitter.emit("hidePopup"))}_checkHidePopup(e){let t=this.selectionHandler._pointerToPositionObject(e),s=!1;if(this.popup.popupTargetType==="node"){if(this.body.nodes[this.popup.popupTargetId]!==void 0&&(s=this.body.nodes[this.popup.popupTargetId].isOverlappingWith(t),s===!0)){let o=this.selectionHandler.getNodeAt(e);s=o===void 0?!1:o.id===this.popup.popupTargetId}}else this.selectionHandler.getNodeAt(e)===void 0&&this.body.edges[this.popup.popupTargetId]!==void 0&&(s=this.body.edges[this.popup.popupTargetId].isOverlappingWith(t));s===!1&&(this.popupObj=void 0,this.popup.hide(),this.body.emitter.emit("hidePopup"))}};function Y(r,e,t,s){if(t==="a"&&!s)throw new TypeError("Private accessor was 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t=this.layout.hierarchical.getTreeSize(this.layout.body.nodes,e);return{min:t.min_y,max:t.max_y}}sort(e){e.sort(function(t,s){return t.y-s.y})}fix(e,t){e.x=this.layout.options.hierarchical.levelSeparation*t,e.options.fixed.x=!0}shift(e,t){this.layout.body.nodes[e].y+=t}};function ka(r,e){let t=new Set;return r.forEach(s=>{s.edges.forEach(o=>{o.connected&&t.add(o)})}),t.forEach(s=>{let o=s.from.id,n=s.to.id;e[o]==null&&(e[o]=0),(e[n]==null||e[o]>=e[n])&&(e[n]=e[o]+1)}),e}function Sa(r){return ln(e=>e.edges.filter(t=>r.has(t.toId)).every(t=>t.to===e),(e,t)=>t>e,"from",r)}function Oa(r){return ln(e=>e.edges.filter(t=>r.has(t.toId)).every(t=>t.from===e),(e,t)=>t<e,"to",r)}function ln(r,e,t,s){let o=Object.create(null),n=[...s.values()].reduce((h,l)=>h+1+l.edges.length,0),a=t+"Id",d=t==="to"?1:-1;for(let[h,l]of s){if(!s.has(h)||!r(l))continue;o[h]=0;let c=[l],u=0,f;for(;f=c.pop();){if(!s.has(h))continue;let 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o===!0&&this.body.emitter.emit("refresh",!0),s.direction==="RL"||s.direction==="DU"?s.levelSeparation>0&&(s.levelSeparation*=-1):s.levelSeparation<0&&(s.levelSeparation*=-1),this.setDirectionStrategy(),this.body.emitter.emit("_resetHierarchicalLayout"),this.adaptAllOptionsForHierarchicalLayout(t);if(o===!0)return this.body.emitter.emit("refresh"),V(t,this.optionsBackup)}return t}_resetRNG(e){this.initialRandomSeed=e,this._rng=_t(this.initialRandomSeed)}adaptAllOptionsForHierarchicalLayout(e){if(this.options.hierarchical.enabled===!0){let t=this.optionsBackup.physics;e.physics===void 0||e.physics===!0?(e.physics={enabled:t.enabled===void 0?!0:t.enabled,solver:"hierarchicalRepulsion"},t.enabled=t.enabled===void 0?!0:t.enabled,t.solver=t.solver||"barnesHut"):typeof e.physics=="object"?(t.enabled=e.physics.enabled===void 0?!0:e.physics.enabled,t.solver=e.physics.solver||"barnesHut",e.physics.solver="hierarchicalRepulsion"):e.physics!==!1&&(t.solver="barnesHut",e.physics={solver:"hierarchicalRepulsion"});let s=this.direction.curveType();if(e.edges===void 0)this.optionsBackup.edges={smooth:{enabled:!0,type:"dynamic"}},e.edges={smooth:!1};else if(e.edges.smooth===void 0)this.optionsBackup.edges={smooth:{enabled:!0,type:"dynamic"}},e.edges.smooth=!1;else if(typeof e.edges.smooth=="boolean")this.optionsBackup.edges={smooth:e.edges.smooth},e.edges.smooth={enabled:e.edges.smooth,type:s};else{let o=e.edges.smooth;o.type!==void 0&&o.type!=="dynamic"&&(s=o.type),this.optionsBackup.edges={smooth:{enabled:o.enabled===void 0?!0:o.enabled,type:o.type===void 0?"dynamic":o.type,roundness:o.roundness===void 0?.5:o.roundness,forceDirection:o.forceDirection===void 0?!1:o.forceDirection}},e.edges.smooth={enabled:o.enabled===void 0?!0:o.enabled,type:s,roundness:o.roundness===void 0?.5:o.roundness,forceDirection:o.forceDirection===void 0?!1:o.forceDirection}}this.body.emitter.emit("_forceDisableDynamicCurves",s)}return e}positionInitially(e){if(this.options.hierarchical.enabled!==!0){this._resetRNG(this.initialRandomSeed);let t=e.length+50;for(let s=0;s<e.length;s++){let o=e[s],n=2*Math.PI*this._rng();o.x===void 0&&(o.x=t*Math.cos(n)),o.y===void 0&&(o.y=t*Math.sin(n))}}}layoutNetwork(){if(this.options.hierarchical.enabled!==!0&&this.options.improvedLayout===!0){let e=this.body.nodeIndices,t=0;for(let s=0;s<e.length;s++)this.body.nodes[e[s]].predefinedPosition===!0&&(t+=1);if(t<.5*e.length){let s=10,o=0,n=this.options.clusterThreshold,a={clusterNodeProperties:{shape:"ellipse",label:"",group:"",font:{multi:!1}},clusterEdgeProperties:{label:"",font:{multi:!1},smooth:{enabled:!1}}};if(e.length>n){let h=e.length;for(;e.length>n&&o<=s;){o+=1;let l=e.length;o%3==0?this.body.modules.clustering.clusterBridges(a):this.body.modules.clustering.clusterOutliers(a);let c=e.length;if(l==c&&o%3!=0){this._declusterAll(),this.body.emitter.emit("_layoutFailed"),console.info("This network could not be positioned by this version of the improved layout algorithm. Please disable improvedLayout for better performance.");return}}this.body.modules.kamadaKawai.setOptions({springLength:Math.max(150,2*h)})}o>s&&console.info("The clustering didn't succeed within the amount of interations allowed, progressing with partial result."),this.body.modules.kamadaKawai.solve(e,this.body.edgeIndices,!0),this._shiftToCenter();let d=70;for(let h=0;h<e.length;h++){let l=this.body.nodes[e[h]];l.predefinedPosition===!1&&(l.x+=(.5-this._rng())*d,l.y+=(.5-this._rng())*d)}this._declusterAll(),this.body.emitter.emit("_repositionBezierNodes")}}}_shiftToCenter(){let e=oe.getRangeCore(this.body.nodes,this.body.nodeIndices),t=oe.findCenter(e);for(let s=0;s<this.body.nodeIndices.length;s++){let o=this.body.nodes[this.body.nodeIndices[s]];o.x-=t.x,o.y-=t.y}}_declusterAll(){let e=!0;for(;e===!0;){e=!1;for(let t=0;t<this.body.nodeIndices.length;t++)this.body.nodes[this.body.nodeIndices[t]].isCluster===!0&&(e=!0,this.body.modules.clustering.openCluster(this.body.nodeIndices[t],{},!1));e===!0&&this.body.emitter.emit("_dataChanged")}}getSeed(){return this.initialRandomSeed}setupHierarchicalLayout(){if(this.options.hierarchical.enabled===!0&&this.body.nodeIndices.length>0){let e,t,s=!1,o=!1;this.lastNodeOnLevel={},this.hierarchical=new cn;for(t in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,t)&&(e=this.body.nodes[t],e.options.level!==void 0?(s=!0,this.hierarchical.levels[t]=e.options.level):o=!0);if(o===!0&&s===!0)throw new Error("To use the hierarchical layout, nodes require either no predefined levels or levels have to be defined for all nodes.");{if(o===!0){let a=this.options.hierarchical.sortMethod;a==="hubsize"?this._determineLevelsByHubsize():a==="directed"?this._determineLevelsDirected():a==="custom"&&this._determineLevelsCustomCallback()}for(let a in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,a)&&this.hierarchical.ensureLevel(a);let n=this._getDistribution();this._generateMap(),this._placeNodesByHierarchy(n),this._condenseHierarchy(),this._shiftToCenter()}}}_condenseHierarchy(){let e=!1,t={},s=()=>{let g=n(),v=0;for(let T=0;T<g.length-1;T++)v+=g[T].max-g[T+1].min+this.options.hierarchical.treeSpacing,o(T+1,v)},o=(g,v)=>{let T=this.hierarchical.trees;for(let S in T)Object.prototype.hasOwnProperty.call(T,S)&&T[S]===g&&this.direction.shift(S,v)},n=()=>{let g=[];for(let v=0;v<this.hierarchical.numTrees();v++)g.push(this.direction.getTreeSize(v));return g},a=(g,v)=>{if(!v[g.id]&&(v[g.id]=!0,this.hierarchical.childrenReference[g.id])){let T=this.hierarchical.childrenReference[g.id];if(T.length>0)for(let S=0;S<T.length;S++)a(this.body.nodes[T[S]],v)}},d=(g,v=1e9)=>{let T=1e9,S=1e9,P=1e9,M=-1e9;for(let N in g)if(Object.prototype.hasOwnProperty.call(g,N)){let W=this.body.nodes[N],X=this.hierarchical.levels[W.id],w=this.direction.getPosition(W),[k,L]=this._getSpaceAroundNode(W,g);T=Math.min(k,T),S=Math.min(L,S),X<=v&&(P=Math.min(w,P),M=Math.max(w,M))}return[P,M,T,S]},h=(g,v)=>{let T=this.hierarchical.getMaxLevel(g.id),S=this.hierarchical.getMaxLevel(v.id);return Math.min(T,S)},l=(g,v,T)=>{let S=this.hierarchical;for(let P=0;P<v.length;P++){let M=v[P],N=S.distributionOrdering[M];if(N.length>1)for(let W=0;W<N.length-1;W++){let X=N[W],w=N[W+1];S.hasSameParent(X,w)&&S.inSameSubNetwork(X,w)&&g(X,w,T)}}},c=(g,v,T=!1)=>{let S=this.direction.getPosition(g),P=this.direction.getPosition(v),M=Math.abs(P-S),N=this.options.hierarchical.nodeSpacing;if(M>N){let W={},X={};a(g,W),a(v,X);let w=h(g,v),k=d(W,w),L=d(X,w),$=k[1],H=L[0],R=L[2];if(Math.abs($-H)>N){let j=$-H+N;j<-R+N&&(j=-R+N),j<0&&(this._shiftBlock(v.id,j),e=!0,T===!0&&this._centerParent(v))}}},u=(g,v)=>{let T=v.id,S=v.edges,P=this.hierarchical.levels[v.id],M=this.options.hierarchical.levelSeparation*this.options.hierarchical.levelSeparation,N={},W=[];for(let R=0;R<S.length;R++){let z=S[R];if(z.toId!=z.fromId){let j=z.toId==T?z.from:z.to;N[S[R].id]=j,this.hierarchical.levels[j.id]<P&&W.push(z)}}let X=(R,z)=>{let j=0;for(let Z=0;Z<z.length;Z++)if(N[z[Z].id]!==void 0){let Q=this.direction.getPosition(N[z[Z].id])-R;j+=Q/Math.sqrt(Q*Q+M)}return j},w=(R,z)=>{let j=0;for(let Z=0;Z<z.length;Z++)if(N[z[Z].id]!==void 0){let Q=this.direction.getPosition(N[z[Z].id])-R;j-=M*Math.pow(Q*Q+M,-1.5)}return j},k=(R,z)=>{let j=this.direction.getPosition(v),Z={};for(let Q=0;Q<R;Q++){let ie=X(j,z),de=w(j,z),Fe=40,ye=Math.max(-Fe,Math.min(Fe,Math.round(ie/de)));if(j=j-ye,Z[j]!==void 0)break;Z[j]=Q}return j},L=R=>{let z=this.direction.getPosition(v);if(t[v.id]===void 0){let Fe={};a(v,Fe),t[v.id]=Fe}let j=d(t[v.id]),Z=j[2],Q=j[3],ie=R-z,de=0;ie>0?de=Math.min(ie,Q-this.options.hierarchical.nodeSpacing):ie<0&&(de=-Math.min(-ie,Z-this.options.hierarchical.nodeSpacing)),de!=0&&(this._shiftBlock(v.id,de),e=!0)},$=R=>{let z=this.direction.getPosition(v),[j,Z]=this._getSpaceAroundNode(v),Q=R-z,ie=z;Q>0?ie=Math.min(z+(Z-this.options.hierarchical.nodeSpacing),R):Q<0&&(ie=Math.max(z-(j-this.options.hierarchical.nodeSpacing),R)),ie!==z&&(this.direction.setPosition(v,ie),e=!0)},H=k(g,W);L(H),H=k(g,S),$(H)},f=g=>{let v=this.hierarchical.getLevels();v=v.reverse();for(let T=0;T<g;T++){e=!1;for(let S=0;S<v.length;S++){let P=v[S],M=this.hierarchical.distributionOrdering[P];for(let N=0;N<M.length;N++)u(1e3,M[N])}if(e!==!0)break}},p=g=>{let v=this.hierarchical.getLevels();v=v.reverse();for(let T=0;T<g&&(e=!1,l(c,v,!0),e===!0);T++);},b=()=>{for(let g in this.body.nodes)Object.prototype.hasOwnProperty.call(this.body.nodes,g)&&this._centerParent(this.body.nodes[g])},_=()=>{let g=this.hierarchical.getLevels();g=g.reverse();for(let v=0;v<g.length;v++){let T=g[v],S=this.hierarchical.distributionOrdering[T];for(let P=0;P<S.length;P++)this._centerParent(S[P])}};this.options.hierarchical.blockShifting===!0&&(p(5),b()),this.options.hierarchical.edgeMinimization===!0&&f(20),this.options.hierarchical.parentCentralization===!0&&_(),s()}_getSpaceAroundNode(e,t){let s=!0;t===void 0&&(s=!1);let o=this.hierarchical.levels[e.id];if(o!==void 0){let n=this.hierarchical.distributionIndex[e.id],a=this.direction.getPosition(e),d=this.hierarchical.distributionOrdering[o],h=1e9,l=1e9;if(n!==0){let c=d[n-1];if(s===!0&&t[c.id]===void 0||s===!1){let u=this.direction.getPosition(c);h=a-u}}if(n!=d.length-1){let c=d[n+1];if(s===!0&&t[c.id]===void 0||s===!1){let u=this.direction.getPosition(c);l=Math.min(l,u-a)}}return[h,l]}else return[0,0]}_centerParent(e){if(this.hierarchical.parentReference[e.id]){let t=this.hierarchical.parentReference[e.id];for(let s=0;s<t.length;s++){let o=t[s],n=this.body.nodes[o],a=this.hierarchical.childrenReference[o];if(a!==void 0){let d=this._getCenterPosition(a),h=this.direction.getPosition(n),[l,c]=this._getSpaceAroundNode(n),u=h-d;(u<0&&Math.abs(u)<c-this.options.hierarchical.nodeSpacing||u>0&&Math.abs(u)<l-this.options.hierarchical.nodeSpacing)&&this.direction.setPosition(n,d)}}}}_placeNodesByHierarchy(e){this.positionedNodes={};for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)){let s=Object.keys(e[t]);s=this._indexArrayToNodes(s),this.direction.sort(s);let o=0;for(let n=0;n<s.length;n++){let a=s[n];if(this.positionedNodes[a.id]===void 0){let d=this.options.hierarchical.nodeSpacing,h=d*o;o>0&&(h=this.direction.getPosition(s[n-1])+d),this.direction.setPosition(a,h,t),this._validatePositionAndContinue(a,t,h),o++}}}}_placeBranchNodes(e,t){let s=this.hierarchical.childrenReference[e];if(s===void 0)return;let o=[];for(let a=0;a<s.length;a++)o.push(this.body.nodes[s[a]]);this.direction.sort(o);for(let a=0;a<o.length;a++){let d=o[a],h=this.hierarchical.levels[d.id];if(h>t&&this.positionedNodes[d.id]===void 0){let l=this.options.hierarchical.nodeSpacing,c;a===0?c=this.direction.getPosition(this.body.nodes[e]):c=this.direction.getPosition(o[a-1])+l,this.direction.setPosition(d,c,h),this._validatePositionAndContinue(d,h,c)}else return}let n=this._getCenterPosition(o);this.direction.setPosition(this.body.nodes[e],n,t)}_validatePositionAndContinue(e,t,s){if(!!this.hierarchical.isTree){if(this.lastNodeOnLevel[t]!==void 0){let o=this.direction.getPosition(this.body.nodes[this.lastNodeOnLevel[t]]);if(s-o<this.options.hierarchical.nodeSpacing){let n=o+this.options.hierarchical.nodeSpacing-s,a=this._findCommonParent(this.lastNodeOnLevel[t],e.id);this._shiftBlock(a.withChild,n)}}this.lastNodeOnLevel[t]=e.id,this.positionedNodes[e.id]=!0,this._placeBranchNodes(e.id,t)}}_indexArrayToNodes(e){let t=[];for(let s=0;s<e.length;s++)t.push(this.body.nodes[e[s]]);return t}_getDistribution(){let e={},t,s;for(t in this.body.nodes)if(Object.prototype.hasOwnProperty.call(this.body.nodes,t)){s=this.body.nodes[t];let o=this.hierarchical.levels[t]===void 0?0:this.hierarchical.levels[t];this.direction.fix(s,o),e[o]===void 0&&(e[o]={}),e[o][t]=s}return e}_getActiveEdges(e){let t=[];return F(e.edges,s=>{this.body.edgeIndices.indexOf(s.id)!==-1&&t.push(s)}),t}_getHubSizes(){let e={},t=this.body.nodeIndices;F(t,o=>{let n=this.body.nodes[o],a=this._getActiveEdges(n).length;e[a]=!0});let s=[];return F(e,o=>{s.push(Number(o))}),s.sort(function(o,n){return n-o}),s}_determineLevelsByHubsize(){let e=(s,o)=>{this.hierarchical.levelDownstream(s,o)},t=this._getHubSizes();for(let s=0;s<t.length;++s){let o=t[s];if(o===0)break;F(this.body.nodeIndices,n=>{let a=this.body.nodes[n];o===this._getActiveEdges(a).length&&this._crawlNetwork(e,n)})}}_determineLevelsCustomCallback(){let e=1e5,t=function(o,n,a){},s=(o,n,a)=>{let d=this.hierarchical.levels[o.id];d===void 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n=0;for(let a=0;a<this.body.nodeIndices.length;a++){let d=this.body.nodeIndices[a];if(s[d]===void 0){let h=this.body.nodes[d];o(h,n),n+=1}}}else{let n=this.body.nodes[t];if(n===void 0){console.error("Node not found:",t);return}o(n)}}_shiftBlock(e,t){let s={},o=n=>{if(s[n])return;s[n]=!0,this.direction.shift(n,t);let a=this.hierarchical.childrenReference[n];if(a!==void 0)for(let d=0;d<a.length;d++)o(a[d])};o(e)}_findCommonParent(e,t){let s={},o=(a,d)=>{let h=this.hierarchical.parentReference[d];if(h!==void 0)for(let l=0;l<h.length;l++){let c=h[l];a[c]=!0,o(a,c)}},n=(a,d)=>{let h=this.hierarchical.parentReference[d];if(h!==void 0)for(let l=0;l<h.length;l++){let c=h[l];if(a[c]!==void 0)return{foundParent:c,withChild:d};let u=n(a,c);if(u.foundParent!==null)return u}return{foundParent:null,withChild:d}};return o(s,e),n(s,t)}setDirectionStrategy(){this.options.hierarchical.direction==="UD"||this.options.hierarchical.direction==="DU"?this.direction=new dn(this):this.direction=new hn(this)}_getCenterPosition(e){let t=1e9,s=-1e9;for(let o=0;o<e.length;o++){let n;if(e[o].id!==void 0)n=e[o];else{let d=e[o];n=this.body.nodes[d]}let a=this.direction.getPosition(n);t=Math.min(t,a),s=Math.max(s,a)}return .5*(t+s)}},fn=class{constructor(e,t,s,o){this.body=e,this.canvas=t,this.selectionHandler=s,this.interactionHandler=o,this.editMode=!1,this.manipulationDiv=void 0,this.editModeDiv=void 0,this.closeDiv=void 0,this._domEventListenerCleanupQueue=[],this.temporaryUIFunctions={},this.temporaryEventFunctions=[],this.touchTime=0,this.temporaryIds={nodes:[],edges:[]},this.guiEnabled=!1,this.inMode=!1,this.selectedControlNode=void 0,this.options={},this.defaultOptions={enabled:!1,initiallyActive:!1,addNode:!0,addEdge:!0,editNode:void 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e=this.selectionHandler.getSelectedNodeCount(),t=this.selectionHandler.getSelectedEdgeCount(),s=e+t,o=this.options.locales[this.options.locale],n=!1;this.options.addNode!==!1&&(this._createAddNodeButton(o),n=!0),this.options.addEdge!==!1&&(n===!0?this._createSeperator(1):n=!0,this._createAddEdgeButton(o)),e===1&&typeof 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e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.addDescription||this.options.locales.en.addDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}this._temporaryBindEvent("click",this._performAddNode.bind(this))}editNode(){this.editMode!==!0&&this.enableEditMode(),this._clean();let e=this.selectionHandler.getSelectedNodes()[0];if(e!==void 0)if(this.inMode="editNode",typeof this.options.editNode=="function")if(e.isCluster!==!0){let t=V({},e.options,!1);if(t.x=e.x,t.y=e.y,this.options.editNode.length===2)this.options.editNode(t,s=>{s!=null&&this.inMode==="editNode"&&this.body.data.nodes.getDataSet().update(s),this.showManipulatorToolbar()});else throw new Error("The function for edit does not support two arguments (data, callback)")}else alert(this.options.locales[this.options.locale].editClusterError||this.options.locales.en.editClusterError);else throw new Error("No function has been configured to handle the editing of nodes.");else this.showManipulatorToolbar()}addEdgeMode(){if(this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="addEdge",this.guiEnabled===!0){let e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.edgeDescription||this.options.locales.en.edgeDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}this._temporaryBindUI("onTouch",this._handleConnect.bind(this)),this._temporaryBindUI("onDragEnd",this._finishConnect.bind(this)),this._temporaryBindUI("onDrag",this._dragControlNode.bind(this)),this._temporaryBindUI("onRelease",this._finishConnect.bind(this)),this._temporaryBindUI("onDragStart",this._dragStartEdge.bind(this)),this._temporaryBindUI("onHold",()=>{})}editEdgeMode(){if(this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="editEdge",typeof this.options.editEdge=="object"&&typeof this.options.editEdge.editWithoutDrag=="function"&&(this.edgeBeingEditedId=this.selectionHandler.getSelectedEdgeIds()[0],this.edgeBeingEditedId!==void 0)){let e=this.body.edges[this.edgeBeingEditedId];this._performEditEdge(e.from.id,e.to.id);return}if(this.guiEnabled===!0){let e=this.options.locales[this.options.locale];this.manipulationDOM={},this._createBackButton(e),this._createSeperator(),this._createDescription(e.editEdgeDescription||this.options.locales.en.editEdgeDescription),this._bindElementEvents(this.closeDiv,this.toggleEditMode.bind(this))}if(this.edgeBeingEditedId=this.selectionHandler.getSelectedEdgeIds()[0],this.edgeBeingEditedId!==void 0){let e=this.body.edges[this.edgeBeingEditedId],t=this._getNewTargetNode(e.from.x,e.from.y),s=this._getNewTargetNode(e.to.x,e.to.y);this.temporaryIds.nodes.push(t.id),this.temporaryIds.nodes.push(s.id),this.body.nodes[t.id]=t,this.body.nodeIndices.push(t.id),this.body.nodes[s.id]=s,this.body.nodeIndices.push(s.id),this._temporaryBindUI("onTouch",this._controlNodeTouch.bind(this)),this._temporaryBindUI("onTap",()=>{}),this._temporaryBindUI("onHold",()=>{}),this._temporaryBindUI("onDragStart",this._controlNodeDragStart.bind(this)),this._temporaryBindUI("onDrag",this._controlNodeDrag.bind(this)),this._temporaryBindUI("onDragEnd",this._controlNodeDragEnd.bind(this)),this._temporaryBindUI("onMouseMove",()=>{}),this._temporaryBindEvent("beforeDrawing",o=>{let n=e.edgeType.findBorderPositions(o);t.selected===!1&&(t.x=n.from.x,t.y=n.from.y),s.selected===!1&&(s.x=n.to.x,s.y=n.to.y)}),this.body.emitter.emit("_redraw")}else this.showManipulatorToolbar()}deleteSelected(){this.editMode!==!0&&this.enableEditMode(),this._clean(),this.inMode="delete";let e=this.selectionHandler.getSelectedNodeIds(),t=this.selectionHandler.getSelectedEdgeIds(),s;if(e.length>0){for(let o=0;o<e.length;o++)if(this.body.nodes[e[o]].isCluster===!0){alert(this.options.locales[this.options.locale].deleteClusterError||this.options.locales.en.deleteClusterError);return}typeof this.options.deleteNode=="function"&&(s=this.options.deleteNode)}else t.length>0&&typeof this.options.deleteEdge=="function"&&(s=this.options.deleteEdge);if(typeof s=="function"){let o={nodes:e,edges:t};if(s.length===2)s(o,n=>{n!=null&&this.inMode==="delete"?(this.body.data.edges.getDataSet().remove(n.edges),this.body.data.nodes.getDataSet().remove(n.nodes),this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar()):(this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar())});else throw new Error("The function for delete does not support two arguments (data, callback)")}else this.body.data.edges.getDataSet().remove(t),this.body.data.nodes.getDataSet().remove(e),this.body.emitter.emit("startSimulation"),this.showManipulatorToolbar()}_setup(){this.options.enabled===!0?(this.guiEnabled=!0,this._createWrappers(),this.editMode===!1?this._createEditButton():this.showManipulatorToolbar()):(this._removeManipulationDOM(),this.guiEnabled=!1)}_createWrappers(){var e,t;this.manipulationDiv===void 0&&(this.manipulationDiv=document.createElement("div"),this.manipulationDiv.className="vis-manipulation",this.editMode===!0?this.manipulationDiv.style.display="block":this.manipulationDiv.style.display="none",this.canvas.frame.appendChild(this.manipulationDiv)),this.editModeDiv===void 0&&(this.editModeDiv=document.createElement("div"),this.editModeDiv.className="vis-edit-mode",this.editMode===!0?this.editModeDiv.style.display="none":this.editModeDiv.style.display="block",this.canvas.frame.appendChild(this.editModeDiv)),this.closeDiv===void 0&&(this.closeDiv=document.createElement("button"),this.closeDiv.className="vis-close",this.closeDiv.setAttribute("aria-label",(t=(e=this.options.locales[this.options.locale])==null?void 0:e.close)!=null?t:this.options.locales.en.close),this.closeDiv.style.display=this.manipulationDiv.style.display,this.canvas.frame.appendChild(this.closeDiv))}_getNewTargetNode(e,t){let s=V({},this.options.controlNodeStyle);s.id="targetNode"+Pe(),s.hidden=!1,s.physics=!1,s.x=e,s.y=t;let o=this.body.functions.createNode(s);return o.shape.boundingBox={left:e,right:e,top:t,bottom:t},o}_createEditButton(){this._clean(),this.manipulationDOM={},ke(this.editModeDiv);let e=this.options.locales[this.options.locale],t=this._createButton("editMode","vis-edit vis-edit-mode",e.edit||this.options.locales.en.edit);this.editModeDiv.appendChild(t),this._bindElementEvents(t,this.toggleEditMode.bind(this))}_clean(){this.inMode=!1,this.guiEnabled===!0&&(ke(this.editModeDiv),ke(this.manipulationDiv),this._cleanupDOMEventListeners()),this._cleanupTemporaryNodesAndEdges(),this._unbindTemporaryUIs(),this._unbindTemporaryEvents(),this.body.emitter.emit("restorePhysics")}_cleanupDOMEventListeners(){for(let e of this._domEventListenerCleanupQueue.splice(0))e()}_removeManipulationDOM(){this._clean(),ke(this.manipulationDiv),ke(this.editModeDiv),ke(this.closeDiv),this.manipulationDiv&&this.canvas.frame.removeChild(this.manipulationDiv),this.editModeDiv&&this.canvas.frame.removeChild(this.editModeDiv),this.closeDiv&&this.canvas.frame.removeChild(this.closeDiv),this.manipulationDiv=void 0,this.editModeDiv=void 0,this.closeDiv=void 0}_createSeperator(e=1){this.manipulationDOM["seperatorLineDiv"+e]=document.createElement("div"),this.manipulationDOM["seperatorLineDiv"+e].className="vis-separator-line",this.manipulationDiv.appendChild(this.manipulationDOM["seperatorLineDiv"+e])}_createAddNodeButton(e){let t=this._createButton("addNode","vis-add",e.addNode||this.options.locales.en.addNode);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.addNodeMode.bind(this))}_createAddEdgeButton(e){let t=this._createButton("addEdge","vis-connect",e.addEdge||this.options.locales.en.addEdge);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.addEdgeMode.bind(this))}_createEditNodeButton(e){let t=this._createButton("editNode","vis-edit",e.editNode||this.options.locales.en.editNode);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.editNode.bind(this))}_createEditEdgeButton(e){let t=this._createButton("editEdge","vis-edit",e.editEdge||this.options.locales.en.editEdge);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.editEdgeMode.bind(this))}_createDeleteButton(e){let t;this.options.rtl?t="vis-delete-rtl":t="vis-delete";let s=this._createButton("delete",t,e.del||this.options.locales.en.del);this.manipulationDiv.appendChild(s),this._bindElementEvents(s,this.deleteSelected.bind(this))}_createBackButton(e){let t=this._createButton("back","vis-back",e.back||this.options.locales.en.back);this.manipulationDiv.appendChild(t),this._bindElementEvents(t,this.showManipulatorToolbar.bind(this))}_createButton(e,t,s,o="vis-label"){return this.manipulationDOM[e+"Div"]=document.createElement("button"),this.manipulationDOM[e+"Div"].className="vis-button "+t,this.manipulationDOM[e+"Label"]=document.createElement("div"),this.manipulationDOM[e+"Label"].className=o,this.manipulationDOM[e+"Label"].innerText=s,this.manipulationDOM[e+"Div"].appendChild(this.manipulationDOM[e+"Label"]),this.manipulationDOM[e+"Div"]}_createDescription(e){this.manipulationDOM.descriptionLabel=document.createElement("div"),this.manipulationDOM.descriptionLabel.className="vis-none",this.manipulationDOM.descriptionLabel.innerText=e,this.manipulationDiv.appendChild(this.manipulationDOM.descriptionLabel)}_temporaryBindEvent(e,t){this.temporaryEventFunctions.push({event:e,boundFunction:t}),this.body.emitter.on(e,t)}_temporaryBindUI(e,t){if(this.body.eventListeners[e]!==void 0)this.temporaryUIFunctions[e]=this.body.eventListeners[e],this.body.eventListeners[e]=t;else throw new Error("This UI function does not exist. Typo? You tried: "+e+" possible are: "+JSON.stringify(Object.keys(this.body.eventListeners)))}_unbindTemporaryUIs(){for(let e in this.temporaryUIFunctions)Object.prototype.hasOwnProperty.call(this.temporaryUIFunctions,e)&&(this.body.eventListeners[e]=this.temporaryUIFunctions[e],delete this.temporaryUIFunctions[e]);this.temporaryUIFunctions={}}_unbindTemporaryEvents(){for(let e=0;e<this.temporaryEventFunctions.length;e++){let t=this.temporaryEventFunctions[e].event,s=this.temporaryEventFunctions[e].boundFunction;this.body.emitter.off(t,s)}this.temporaryEventFunctions=[]}_bindElementEvents(e,t){let s=new Qe(e,{});Jt(s,t),this._domEventListenerCleanupQueue.push(()=>{s.destroy()});let o=({keyCode:n,key:a})=>{(a==="Enter"||a===" "||n===13||n===32)&&t()};e.addEventListener("keyup",o,!1),this._domEventListenerCleanupQueue.push(()=>{e.removeEventListener("keyup",o,!1)})}_cleanupTemporaryNodesAndEdges(){for(let e=0;e<this.temporaryIds.edges.length;e++){this.body.edges[this.temporaryIds.edges[e]].disconnect(),delete this.body.edges[this.temporaryIds.edges[e]];let t=this.body.edgeIndices.indexOf(this.temporaryIds.edges[e]);t!==-1&&this.body.edgeIndices.splice(t,1)}for(let e=0;e<this.temporaryIds.nodes.length;e++){delete this.body.nodes[this.temporaryIds.nodes[e]];let t=this.body.nodeIndices.indexOf(this.temporaryIds.nodes[e]);t!==-1&&this.body.nodeIndices.splice(t,1)}this.temporaryIds={nodes:[],edges:[]}}_controlNodeTouch(e){this.selectionHandler.unselectAll(),this.lastTouch=this.body.functions.getPointer(e.center),this.lastTouch.translation=Object.assign({},this.body.view.translation)}_controlNodeDragStart(){let e=this.lastTouch,t=this.selectionHandler._pointerToPositionObject(e),s=this.body.nodes[this.temporaryIds.nodes[0]],o=this.body.nodes[this.temporaryIds.nodes[1]],n=this.body.edges[this.edgeBeingEditedId];this.selectedControlNode=void 0;let a=s.isOverlappingWith(t),d=o.isOverlappingWith(t);a===!0?(this.selectedControlNode=s,n.edgeType.from=s):d===!0&&(this.selectedControlNode=o,n.edgeType.to=o),this.selectedControlNode!==void 0&&this.selectionHandler.selectObject(this.selectedControlNode),this.body.emitter.emit("_redraw")}_controlNodeDrag(e){this.body.emitter.emit("disablePhysics");let t=this.body.functions.getPointer(e.center),s=this.canvas.DOMtoCanvas(t);this.selectedControlNode!==void 0?(this.selectedControlNode.x=s.x,this.selectedControlNode.y=s.y):this.interactionHandler.onDrag(e),this.body.emitter.emit("_redraw")}_controlNodeDragEnd(e){let t=this.body.functions.getPointer(e.center),s=this.selectionHandler._pointerToPositionObject(t),o=this.body.edges[this.edgeBeingEditedId];if(this.selectedControlNode===void 0)return;this.selectionHandler.unselectAll();let n=this.selectionHandler._getAllNodesOverlappingWith(s),a;for(let d=n.length-1;d>=0;d--)if(n[d]!==this.selectedControlNode.id){a=this.body.nodes[n[d]];break}if(a!==void 0&&this.selectedControlNode!==void 0)if(a.isCluster===!0)alert(this.options.locales[this.options.locale].createEdgeError||this.options.locales.en.createEdgeError);else{let d=this.body.nodes[this.temporaryIds.nodes[0]];this.selectedControlNode.id===d.id?this._performEditEdge(a.id,o.to.id):this._performEditEdge(o.from.id,a.id)}else o.updateEdgeType(),this.body.emitter.emit("restorePhysics");this.body.emitter.emit("_redraw")}_handleConnect(e){if(new Date().valueOf()-this.touchTime>100){this.lastTouch=this.body.functions.getPointer(e.center),this.lastTouch.translation=Object.assign({},this.body.view.translation),this.interactionHandler.drag.pointer=this.lastTouch,this.interactionHandler.drag.translation=this.lastTouch.translation;let t=this.lastTouch,s=this.selectionHandler.getNodeAt(t);if(s!==void 0)if(s.isCluster===!0)alert(this.options.locales[this.options.locale].createEdgeError||this.options.locales.en.createEdgeError);else{let o=this._getNewTargetNode(s.x,s.y);this.body.nodes[o.id]=o,this.body.nodeIndices.push(o.id);let n=this.body.functions.createEdge({id:"connectionEdge"+Pe(),from:s.id,to:o.id,physics:!1,smooth:{enabled:!0,type:"continuous",roundness:.5}});this.body.edges[n.id]=n,this.body.edgeIndices.push(n.id),this.temporaryIds.nodes.push(o.id),this.temporaryIds.edges.push(n.id)}this.touchTime=new Date().valueOf()}}_dragControlNode(e){let t=this.body.functions.getPointer(e.center),s=this.selectionHandler._pointerToPositionObject(t),o;this.temporaryIds.edges[0]!==void 0&&(o=this.body.edges[this.temporaryIds.edges[0]].fromId);let n=this.selectionHandler._getAllNodesOverlappingWith(s),a;for(let d=n.length-1;d>=0;d--)if(this.temporaryIds.nodes.indexOf(n[d])===-1){a=this.body.nodes[n[d]];break}if(e.controlEdge={from:o,to:a?a.id:void 0},this.selectionHandler.generateClickEvent("controlNodeDragging",e,t),this.temporaryIds.nodes[0]!==void 0){let d=this.body.nodes[this.temporaryIds.nodes[0]];d.x=this.canvas._XconvertDOMtoCanvas(t.x),d.y=this.canvas._YconvertDOMtoCanvas(t.y),this.body.emitter.emit("_redraw")}else this.interactionHandler.onDrag(e)}_finishConnect(e){let t=this.body.functions.getPointer(e.center),s=this.selectionHandler._pointerToPositionObject(t),o;this.temporaryIds.edges[0]!==void 0&&(o=this.body.edges[this.temporaryIds.edges[0]].fromId);let n=this.selectionHandler._getAllNodesOverlappingWith(s),a;for(let d=n.length-1;d>=0;d--)if(this.temporaryIds.nodes.indexOf(n[d])===-1){a=this.body.nodes[n[d]];break}this._cleanupTemporaryNodesAndEdges(),a!==void 0&&(a.isCluster===!0?alert(this.options.locales[this.options.locale].createEdgeError||this.options.locales.en.createEdgeError):this.body.nodes[o]!==void 0&&this.body.nodes[a.id]!==void 0&&this._performAddEdge(o,a.id)),e.controlEdge={from:o,to:a?a.id:void 0},this.selectionHandler.generateClickEvent("controlNodeDragEnd",e,t),this.body.emitter.emit("_redraw")}_dragStartEdge(e){let t=this.lastTouch;this.selectionHandler.generateClickEvent("dragStart",e,t,void 0,!0)}_performAddNode(e){let t={id:Pe(),x:e.pointer.canvas.x,y:e.pointer.canvas.y,label:"new"};if(typeof this.options.addNode=="function")if(this.options.addNode.length===2)this.options.addNode(t,s=>{s!=null&&this.inMode==="addNode"&&this.body.data.nodes.getDataSet().add(s),this.showManipulatorToolbar()});else throw this.showManipulatorToolbar(),new Error("The function for add does not support two arguments (data,callback)");else this.body.data.nodes.getDataSet().add(t),this.showManipulatorToolbar()}_performAddEdge(e,t){let s={from:e,to:t};if(typeof this.options.addEdge=="function")if(this.options.addEdge.length===2)this.options.addEdge(s,o=>{o!=null&&this.inMode==="addEdge"&&(this.body.data.edges.getDataSet().add(o),this.selectionHandler.unselectAll(),this.showManipulatorToolbar())});else throw new Error("The function for connect does not support two arguments (data,callback)");else this.body.data.edges.getDataSet().add(s),this.selectionHandler.unselectAll(),this.showManipulatorToolbar()}_performEditEdge(e,t){let s={id:this.edgeBeingEditedId,from:e,to:t,label:this.body.data.edges.get(this.edgeBeingEditedId).label},o=this.options.editEdge;if(typeof o=="object"&&(o=o.editWithoutDrag),typeof o=="function")if(o.length===2)o(s,n=>{n==null||this.inMode!=="editEdge"?(this.body.edges[s.id].updateEdgeType(),this.body.emitter.emit("_redraw"),this.showManipulatorToolbar()):(this.body.data.edges.getDataSet().update(n),this.selectionHandler.unselectAll(),this.showManipulatorToolbar())});else throw new Error("The function for edit does not support two arguments (data, callback)");else 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mn=class{constructor(){}getDistances(e,t,s){let o={},n=e.edges;for(let d=0;d<t.length;d++){let h=t[d],l={};o[h]=l;for(let c=0;c<t.length;c++)l[t[c]]=d==c?0:1e9}for(let d=0;d<s.length;d++){let h=n[s[d]];h.connected===!0&&o[h.fromId]!==void 0&&o[h.toId]!==void 0&&(o[h.fromId][h.toId]=1,o[h.toId][h.fromId]=1)}let a=t.length;for(let d=0;d<a;d++){let h=t[d],l=o[h];for(let c=0;c<a-1;c++){let u=t[c],f=o[u];for(let p=c+1;p<a;p++){let b=t[p],_=o[b],g=Math.min(f[b],f[h]+l[b]);f[b]=g,_[u]=g}}}return o}},yn=class{constructor(e,t,s){this.body=e,this.springLength=t,this.springConstant=s,this.distanceSolver=new mn}setOptions(e){e&&(e.springLength&&(this.springLength=e.springLength),e.springConstant&&(this.springConstant=e.springConstant))}solve(e,t,s=!1){let o=this.distanceSolver.getDistances(this.body,e,t);this._createL_matrix(o),this._createK_matrix(o),this._createE_matrix();let n=.01,a=1,d=0,h=Math.max(1e3,Math.min(10*this.body.nodeIndices.length,6e3)),l=5,c=1e9,u=0,f=0,p=0,b=0,_=0;for(;c>n&&d<h;)for(d+=1,[u,c,f,p]=this._getHighestEnergyNode(s),b=c,_=0;b>a&&_<l;)_+=1,this._moveNode(u,f,p),[b,f,p]=this._getEnergy(u)}_getHighestEnergyNode(e){let t=this.body.nodeIndices,s=this.body.nodes,o=0,n=t[0],a=0,d=0;for(let h=0;h<t.length;h++){let l=t[h];if(s[l].predefinedPosition!==!0||s[l].isCluster===!0&&e===!0||s[l].options.fixed.x!==!0||s[l].options.fixed.y!==!0){let[c,u,f]=this._getEnergy(l);o<c&&(o=c,n=l,a=u,d=f)}}return[n,o,a,d]}_getEnergy(e){let[t,s]=this.E_sums[e];return[Math.sqrt(t**2+s**2),t,s]}_moveNode(e,t,s){let o=this.body.nodeIndices,n=this.body.nodes,a=0,d=0,h=0,l=n[e].x,c=n[e].y,u=this.K_matrix[e],f=this.L_matrix[e];for(let P=0;P<o.length;P++){let M=o[P];if(M!==e){let N=n[M].x,W=n[M].y,X=u[M],w=f[M],k=1/((l-N)**2+(c-W)**2)**1.5;a+=X*(1-w*(c-W)**2*k),d+=X*(w*(l-N)*(c-W)*k),h+=X*(1-w*(l-N)**2*k)}}let p=a,b=d,_=t,g=h,v=s,T=(_/p+v/b)/(b/p-g/b),S=-(b*T+_)/p;n[e].x+=S,n[e].y+=T,this._updateE_matrix(e)}_createL_matrix(e){let t=this.body.nodeIndices,s=this.springLength;this.L_matrix=[];for(let o=0;o<t.length;o++){this.L_matrix[t[o]]={};for(let n=0;n<t.length;n++)this.L_matrix[t[o]][t[n]]=s*e[t[o]][t[n]]}}_createK_matrix(e){let t=this.body.nodeIndices,s=this.springConstant;this.K_matrix=[];for(let o=0;o<t.length;o++){this.K_matrix[t[o]]={};for(let n=0;n<t.length;n++)this.K_matrix[t[o]][t[n]]=s*e[t[o]][t[n]]**-2}}_createE_matrix(){let e=this.body.nodeIndices,t=this.body.nodes;this.E_matrix={},this.E_sums={};for(let s=0;s<e.length;s++)this.E_matrix[e[s]]=[];for(let s=0;s<e.length;s++){let o=e[s],n=t[o].x,a=t[o].y,d=0,h=0;for(let l=s;l<e.length;l++){let c=e[l];if(c!==o){let u=t[c].x,f=t[c].y,p=1/Math.sqrt((n-u)**2+(a-f)**2);this.E_matrix[o][l]=[this.K_matrix[o][c]*(n-u-this.L_matrix[o][c]*(n-u)*p),this.K_matrix[o][c]*(a-f-this.L_matrix[o][c]*(a-f)*p)],this.E_matrix[c][s]=this.E_matrix[o][l],d+=this.E_matrix[o][l][0],h+=this.E_matrix[o][l][1]}}this.E_sums[o]=[d,h]}}_updateE_matrix(e){let t=this.body.nodeIndices,s=this.body.nodes,o=this.E_matrix[e],n=this.K_matrix[e],a=this.L_matrix[e],d=s[e].x,h=s[e].y,l=0,c=0;for(let u=0;u<t.length;u++){let f=t[u];if(f!==e){let p=o[u],b=p[0],_=p[1],g=s[f].x,v=s[f].y,T=1/Math.sqrt((d-g)**2+(h-v)**2),S=n[f]*(d-g-a[f]*(d-g)*T),P=n[f]*(h-v-a[f]*(h-v)*T);o[u]=[S,P],l+=S,c+=P;let M=this.E_sums[f];M[0]+=S-b,M[1]+=P-_}}this.E_sums[e]=[l,c]}};function O(r,e,t){if(!(this instanceof O))throw new SyntaxError("Constructor must be called with the new operator");this.options={},this.defaultOptions={locale:"en",locales:ga,clickToUse:!1},Object.assign(this.options,this.defaultOptions),this.body={container:r,nodes:{},nodeIndices:[],edges:{},edgeIndices:[],emitter:{on:this.on.bind(this),off:this.off.bind(this),emit:this.emit.bind(this),once:this.once.bind(this)},eventListeners:{onTap:function(){},onTouch:function(){},onDoubleTap:function(){},onHold:function(){},onDragStart:function(){},onDrag:function(){},onDragEnd:function(){},onMouseWheel:function(){},onPinch:function(){},onMouseMove:function(){},onRelease:function(){},onContext:function(){}},data:{nodes:null,edges:null},functions:{createNode:function(){},createEdge:function(){},getPointer:function(){}},modules:{},view:{scale:1,translation:{x:0,y:0}},selectionBox:{show:!1,position:{start:{x:0,y:0},end:{x:0,y:0}}}},this.bindEventListeners(),this.images=new go(()=>this.body.emitter.emit("_requestRedraw")),this.groups=new mo,this.canvas=new en(this.body),this.selectionHandler=new an(this.body,this.canvas),this.interactionHandler=new on(this.body,this.canvas,this.selectionHandler),this.view=new tn(this.body,this.canvas),this.renderer=new Qo(this.body,this.canvas),this.physics=new Ko(this.body),this.layoutEngine=new un(this.body),this.clustering=new Zo(this.body),this.manipulation=new fn(this.body,this.canvas,this.selectionHandler,this.interactionHandler),this.nodesHandler=new Po(this.body,this.images,this.groups,this.layoutEngine),this.edgesHandler=new Vo(this.body,this.images,this.groups),this.body.modules.kamadaKawai=new yn(this.body,150,.05),this.body.modules.clustering=this.clustering,this.canvas._create(),this.setOptions(t),this.setData(e)}(0,Qs.default)(O.prototype);O.prototype.setOptions=function(r){if(r===null&&(r=void 0),r!==void 0){if(Xs.validate(r,Pa)===!0&&console.error("%cErrors have been found in the supplied options object.",_i),Ze(["locale","locales","clickToUse"],this.options,r),r.locale!==void 0&&(r.locale=ma(r.locales||this.options.locales,r.locale)),r=this.layoutEngine.setOptions(r.layout,r),this.canvas.setOptions(r),this.groups.setOptions(r.groups),this.nodesHandler.setOptions(r.nodes),this.edgesHandler.setOptions(r.edges),this.physics.setOptions(r.physics),this.manipulation.setOptions(r.manipulation,r,this.options),this.interactionHandler.setOptions(r.interaction),this.renderer.setOptions(r.interaction),this.selectionHandler.setOptions(r.interaction),r.groups!==void 0&&this.body.emitter.emit("refreshNodes"),"configure"in r&&(this.configurator||(this.configurator=new Ys(this,this.body.container,gn,this.canvas.pixelRatio,Da)),this.configurator.setOptions(r.configure)),this.configurator&&this.configurator.options.enabled===!0){let s={nodes:{},edges:{},layout:{},interaction:{},manipulation:{},physics:{},global:{}};V(s.nodes,this.nodesHandler.options),V(s.edges,this.edgesHandler.options),V(s.layout,this.layoutEngine.options),V(s.interaction,this.selectionHandler.options),V(s.interaction,this.renderer.options),V(s.interaction,this.interactionHandler.options),V(s.manipulation,this.manipulation.options),V(s.physics,this.physics.options),V(s.global,this.canvas.options),V(s.global,this.options),this.configurator.setModuleOptions(s)}r.clickToUse!==void 0?r.clickToUse===!0?this.activator===void 0&&(this.activator=new qs(this.canvas.frame),this.activator.on("change",()=>{this.body.emitter.emit("activate")})):(this.activator!==void 0&&(this.activator.destroy(),delete this.activator),this.body.emitter.emit("activate")):this.body.emitter.emit("activate"),this.canvas.setSize(),this.body.emitter.emit("startSimulation")}};O.prototype._updateVisibleIndices=function(){let r=this.body.nodes,e=this.body.edges;this.body.nodeIndices=[],this.body.edgeIndices=[];for(let t in r)Object.prototype.hasOwnProperty.call(r,t)&&!this.clustering._isClusteredNode(t)&&r[t].options.hidden===!1&&this.body.nodeIndices.push(r[t].id);for(let t in e)if(Object.prototype.hasOwnProperty.call(e,t)){let s=e[t],o=r[s.fromId],n=r[s.toId],a=o!==void 0&&n!==void 0;!this.clustering._isClusteredEdge(t)&&s.options.hidden===!1&&a&&o.options.hidden===!1&&n.options.hidden===!1&&this.body.edgeIndices.push(s.id)}};O.prototype.bindEventListeners=function(){this.body.emitter.on("_dataChanged",()=>{this.edgesHandler._updateState(),this.body.emitter.emit("_dataUpdated")}),this.body.emitter.on("_dataUpdated",()=>{this.clustering._updateState(),this._updateVisibleIndices(),this._updateValueRange(this.body.nodes),this._updateValueRange(this.body.edges),this.body.emitter.emit("startSimulation"),this.body.emitter.emit("_requestRedraw")})};O.prototype.setData=function(r){if(this.body.emitter.emit("resetPhysics"),this.body.emitter.emit("_resetData"),this.selectionHandler.unselectAll(),r&&r.dot&&(r.nodes||r.edges))throw new SyntaxError('Data must contain either parameter "dot" or  parameter pair "nodes" and "edges", but not both.');if(this.setOptions(r&&r.options),r&&r.dot){console.warn("The dot property has been deprecated. Please use the static convertDot method to convert DOT into vis.network format and use the normal data format with nodes and edges. This converter is used like this: var data = vis.network.convertDot(dotString);");let e=ia(r.dot);this.setData(e);return}else if(r&&r.gephi){console.warn("The gephi property has been deprecated. Please use the static convertGephi method to convert gephi into vis.network format and use the normal data format with nodes and edges. This converter is used like this: var data = vis.network.convertGephi(gephiJson);");let e=sa(r.gephi);this.setData(e);return}else this.nodesHandler.setData(r&&r.nodes,!0),this.edgesHandler.setData(r&&r.edges,!0);this.body.emitter.emit("_dataChanged"),this.body.emitter.emit("_dataLoaded"),this.body.emitter.emit("initPhysics")};O.prototype.destroy=function(){this.body.emitter.emit("destroy"),this.body.emitter.off(),this.off(),delete this.groups,delete this.canvas,delete this.selectionHandler,delete this.interactionHandler,delete this.view,delete this.renderer,delete this.physics,delete this.layoutEngine,delete this.clustering,delete this.manipulation,delete this.nodesHandler,delete this.edgesHandler,delete this.configurator,delete this.images;for(let r in this.body.nodes)!Object.prototype.hasOwnProperty.call(this.body.nodes,r)||delete this.body.nodes[r];for(let r in this.body.edges)!Object.prototype.hasOwnProperty.call(this.body.edges,r)||delete this.body.edges[r];ke(this.body.container)};O.prototype._updateValueRange=function(r){let e,t,s,o=0;for(e in r)if(Object.prototype.hasOwnProperty.call(r,e)){let n=r[e].getValue();n!==void 0&&(t=t===void 0?n:Math.min(n,t),s=s===void 0?n:Math.max(n,s),o+=n)}if(t!==void 0&&s!==void 0)for(e in r)Object.prototype.hasOwnProperty.call(r,e)&&r[e].setValueRange(t,s,o)};O.prototype.isActive=function(){return!this.activator||this.activator.active};O.prototype.setSize=function(){return this.canvas.setSize.apply(this.canvas,arguments)};O.prototype.canvasToDOM=function(){return this.canvas.canvasToDOM.apply(this.canvas,arguments)};O.prototype.DOMtoCanvas=function(){return this.canvas.DOMtoCanvas.apply(this.canvas,arguments)};O.prototype.findNode=function(){return this.clustering.findNode.apply(this.clustering,arguments)};O.prototype.isCluster=function(){return this.clustering.isCluster.apply(this.clustering,arguments)};O.prototype.openCluster=function(){return this.clustering.openCluster.apply(this.clustering,arguments)};O.prototype.cluster=function(){return this.clustering.cluster.apply(this.clustering,arguments)};O.prototype.getNodesInCluster=function(){return this.clustering.getNodesInCluster.apply(this.clustering,arguments)};O.prototype.clusterByConnection=function(){return this.clustering.clusterByConnection.apply(this.clustering,arguments)};O.prototype.clusterByHubsize=function(){return this.clustering.clusterByHubsize.apply(this.clustering,arguments)};O.prototype.updateClusteredNode=function(){return this.clustering.updateClusteredNode.apply(this.clustering,arguments)};O.prototype.getClusteredEdges=function(){return this.clustering.getClusteredEdges.apply(this.clustering,arguments)};O.prototype.getBaseEdge=function(){return this.clustering.getBaseEdge.apply(this.clustering,arguments)};O.prototype.getBaseEdges=function(){return this.clustering.getBaseEdges.apply(this.clustering,arguments)};O.prototype.updateEdge=function(){return this.clustering.updateEdge.apply(this.clustering,arguments)};O.prototype.clusterOutliers=function(){return this.clustering.clusterOutliers.apply(this.clustering,arguments)};O.prototype.getSeed=function(){return this.layoutEngine.getSeed.apply(this.layoutEngine,arguments)};O.prototype.enableEditMode=function(){return this.manipulation.enableEditMode.apply(this.manipulation,arguments)};O.prototype.disableEditMode=function(){return this.manipulation.disableEditMode.apply(this.manipulation,arguments)};O.prototype.addNodeMode=function(){return this.manipulation.addNodeMode.apply(this.manipulation,arguments)};O.prototype.editNode=function(){return this.manipulation.editNode.apply(this.manipulation,arguments)};O.prototype.editNodeMode=function(){return console.warn("Deprecated: Please use editNode instead of editNodeMode."),this.manipulation.editNode.apply(this.manipulation,arguments)};O.prototype.addEdgeMode=function(){return this.manipulation.addEdgeMode.apply(this.manipulation,arguments)};O.prototype.editEdgeMode=function(){return this.manipulation.editEdgeMode.apply(this.manipulation,arguments)};O.prototype.deleteSelected=function(){return this.manipulation.deleteSelected.apply(this.manipulation,arguments)};O.prototype.getPositions=function(){return this.nodesHandler.getPositions.apply(this.nodesHandler,arguments)};O.prototype.getPosition=function(){return this.nodesHandler.getPosition.apply(this.nodesHandler,arguments)};O.prototype.storePositions=function(){return this.nodesHandler.storePositions.apply(this.nodesHandler,arguments)};O.prototype.moveNode=function(){return this.nodesHandler.moveNode.apply(this.nodesHandler,arguments)};O.prototype.getBoundingBox=function(){return this.nodesHandler.getBoundingBox.apply(this.nodesHandler,arguments)};O.prototype.getConnectedNodes=function(r){return this.body.nodes[r]!==void 0?this.nodesHandler.getConnectedNodes.apply(this.nodesHandler,arguments):this.edgesHandler.getConnectedNodes.apply(this.edgesHandler,arguments)};O.prototype.getConnectedEdges=function(){return this.nodesHandler.getConnectedEdges.apply(this.nodesHandler,arguments)};O.prototype.startSimulation=function(){return this.physics.startSimulation.apply(this.physics,arguments)};O.prototype.stopSimulation=function(){return this.physics.stopSimulation.apply(this.physics,arguments)};O.prototype.stabilize=function(){return this.physics.stabilize.apply(this.physics,arguments)};O.prototype.getSelection=function(){return this.selectionHandler.getSelection.apply(this.selectionHandler,arguments)};O.prototype.setSelection=function(){return this.selectionHandler.setSelection.apply(this.selectionHandler,arguments)};O.prototype.getSelectedNodes=function(){return this.selectionHandler.getSelectedNodeIds.apply(this.selectionHandler,arguments)};O.prototype.getSelectedEdges=function(){return this.selectionHandler.getSelectedEdgeIds.apply(this.selectionHandler,arguments)};O.prototype.getNodeAt=function(){let r=this.selectionHandler.getNodeAt.apply(this.selectionHandler,arguments);return r!==void 0&&r.id!==void 0?r.id:r};O.prototype.getEdgeAt=function(){let r=this.selectionHandler.getEdgeAt.apply(this.selectionHandler,arguments);return r!==void 0&&r.id!==void 0?r.id:r};O.prototype.selectNodes=function(){return this.selectionHandler.selectNodes.apply(this.selectionHandler,arguments)};O.prototype.selectEdges=function(){return this.selectionHandler.selectEdges.apply(this.selectionHandler,arguments)};O.prototype.unselectAll=function(){this.selectionHandler.unselectAll.apply(this.selectionHandler,arguments),this.selectionHandler.commitWithoutEmitting.apply(this.selectionHandler),this.redraw()};O.prototype.redraw=function(){return this.renderer.redraw.apply(this.renderer,arguments)};O.prototype.getScale=function(){return this.view.getScale.apply(this.view,arguments)};O.prototype.getViewPosition=function(){return this.view.getViewPosition.apply(this.view,arguments)};O.prototype.fit=function(){return this.view.fit.apply(this.view,arguments)};O.prototype.moveTo=function(){return this.view.moveTo.apply(this.view,arguments)};O.prototype.focus=function(){return this.view.focus.apply(this.view,arguments)};O.prototype.releaseNode=function(){return this.view.releaseNode.apply(this.view,arguments)};O.prototype.getOptionsFromConfigurator=function(){let r={};return this.configurator&&(r=this.configurator.getOptions.apply(this.configurator)),r};var bn=r=>{if(!document.cookie)return;let e=null,t=document.cookie.split(";");for(let s=0;s<t.length;s++){let o=t[s].trim();if(o.substring(0,r.length+1)===r+"="){e=decodeURIComponent(o.substring(r.length+1));break}}return e};var qi={interaction:{hover:!0,hoverConnectedEdges:!0,multiselect:!0},nodes:{shape:"image",brokenImage:brokenImage!=null?brokenImage:"",size:35,font:{multi:"md",face:"helvetica",color:document.documentElement.dataset.netboxColorMode==="dark"?"#fff":"#000"}},edges:{length:100,width:2,font:{face:"helvetica"},shadow:{enabled:!0}},physics:{solver:"forceAtlas2Based"}},Ma=bn("csrftoken"),A=null,vn=document.querySelector("#visgraph"),wn=document.querySelector("#id_save_coords");(function(){if(!topologyData)return;function e(w){let k=document.createElement("div");return k.innerHTML=w,k}let t=new De(topologyData.nodes.map(w=>We(be({},w),{title:e(w.title)})));window.nodes=t;let s=new De(topologyData.edges.map(w=>We(be({},w),{title:e(w.title)}))),o=topologyData.options.group_sites,n=topologyData.options.group_locations,a=topologyData.options.group_racks,d=topologyData.options.group_virtualchassis,h=parseInt(topologyData.options.grid_size[0]);var l=!1;A=new O(vn,{nodes:t,edges:s},qi),A.fit();function c(w,k){return x=A.getPosition(w).x,y=A.getPosition(w).y,x>=0?x%k>k/2&&(x+=k):-x%k>k/2&&(x-=k),x=x-x%k,y>=0?y%k>k/2&&(y+=k):-y%k>k/2&&(y-=k),y=y-y%k,{x,y}}function u(w){let k=A.getScale()*window.devicePixelRatio,L=w.canvas.width/k,$=w.canvas.height/k,H=A.getViewPosition(),R=H.x-H.x%h,z=H.y-H.y%h,j=L/2-L/2%h+h,Z=$/2-$/2%h+h,Q=R-h-j,ie=R+h+j,de=z-h-Z,Fe=z+h+Z;w.beginPath();for(let ye=Q;ye<ie;ye+=h)w.moveTo(ye,de),w.lineTo(ye,Fe);for(let ye=de;ye<Fe;ye+=h)w.moveTo(Q,ye),w.lineTo(ie,ye);w.strokeStyle="#777777",w.stroke()}function f(w){if(h>0&&l==!0&&A.getSelectedNodes().length>0)for(i=0;i<A.getSelectedNodes().length;i++)id=A.getSelectedNodes()[i],(window.nodes.get(id).x!=A.getPosition(id).x||window.nodes.get(id).y!=A.getPosition(id).y)&&(pos=c(A.getSelectedNodes()[i],h),w.beginPath(),w.arc(A.getPosition(A.getSelectedNodes()[i]).x,A.getPosition(A.getSelectedNodes()[i]).y,5,0,2*Math.PI),w.fillStyle="#FF3D3D",w.fill(),w.beginPath(),w.moveTo(A.getPosition(A.getSelectedNodes()[i]).x,A.getPosition(A.getSelectedNodes()[i]).y),w.lineTo(pos.x,pos.y),w.strokeStyle="#FF3D3D",w.stroke(),w.beginPath(),w.arc(pos.x,pos.y,10,0,2*Math.PI),w.fillStyle="#9C0000",w.fill())}A.on("dragStart",w=>{l=!0}),A.on("dragEnd",w=>{if(l=!1,h>0&&A.getSelectedNodes().length>0)for(i=0;i<A.getSelectedNodes().length;i++)id=A.getSelectedNodes()[i],(window.nodes.get(id).x!=A.getPosition(id).x||window.nodes.get(id).y!=A.getPosition(id).y)&&(pos=c(A.getSelectedNodes()[i],h),window.nodes.update({id:A.getSelectedNodes()[i],x:pos.x,y:pos.y}));wn.options[wn.selectedIndex].text=="Yes"&&Promise.allSettled(Object.entries(A.getPositions(w.nodes)).map($=>Gi(this,[$],function*([k,L]){isNaN(parseInt(k))?nodeKey=k:nodeKey=parseInt(k);try{window.nodes.update({id:nodeKey,physics:!1,x:L.x,y:L.y})}catch(R){console.log(["Error while executing window.nodes.update()","nodeId: "+k,"nodeKey: "+nodeKey,"x: "+L.x,"y: "+L.y]),console.log(R)}let H=yield fetch("/"+basePath+"api/plugins/netbox_topology_views/save-coords/save_coords/",{method:"PATCH",headers:{"X-CSRFToken":Ma,Accept:"application/json","Content-Type":"application/json"},body:JSON.stringify({node_id:k,x:L.x,y:L.y,group:topologyData.group})})})))}),A.on("doubleClick",w=>{w.nodes.length>0?w.nodes.forEach(k=>{window.open(t.get(k).href,"_blank")}):w.edges.forEach(k=>{window.open(s.get(k).href,"_blank")})}),A.on("beforeDrawing",w=>{h>0&&u(w)}),A.on("afterDrawing",w=>{b=[],o!=null&&o=="on"&&g(w,v,T),n!=null&&n=="on"&&g(w,S,P),a!=null&&a=="on"&&g(w,M,N),d!=null&&d=="on"&&g(w,W,X),f(w)}),A.on("click",w=>{b.forEach(k=>{if(w.pointer.canvas.x>k.x1-k.border/2-3&&w.pointer.canvas.x<k.x2+k.border/2+3&&w.pointer.canvas.y>k.y1-k.border/2-3&&w.pointer.canvas.y<k.y2+k.border/2+3&&(w.pointer.canvas.x<k.x1+k.border/2+3||w.pointer.canvas.x>k.x2-k.border/2-3||w.pointer.canvas.y<k.y1+k.border/2+3||w.pointer.canvas.y>k.y2-k.border/2-3)){let L=[];k.category=="Site"&&v.forEach($=>{$.forEach(H=>{H[1]==k.id&&L.push(H[0])})}),k.category=="Location"&&S.forEach($=>{$.forEach(H=>{H[1]===k.id&&L.push(H[0])})}),k.category=="Rack"&&M.forEach($=>{$.forEach(H=>{H[1]===k.id&&L.push(H[0])})}),k.category=="Virtual Chassis"&&W.forEach($=>{$.forEach(H=>{H[1]===k.id&&L.push(H[0])})}),A.selectNodes(L)}})});function p(w,k){let L=[];for(let[H,R]of t._data)R[w]!=null&&L.push([R.id,R[w],R[k]]);let $=L.reduce((H,R)=>{let z=R[1];return H[z]=H[z]||[],H[z].push(R),H},{});return Object.values($)}var b=[];function _(w){w.ctx.beginPath(),w.ctx.lineWidth=w.lineWidth,w.ctx.strokeStyle=w.color,w.ctx.rect(w.x,w.y,w.width,w.height),w.ctx.stroke(),w.ctx.font=w.font,w.ctx.fillStyle=w.color,w.ctx.fillText(w.text,w.x+w.textPaddingX,w.y+w.textPaddingY),b.push({category:w.category,id:w.id,x1:w.x,y1:w.y,x2:w.x+w.width,y2:w.y+w.height,border:w.lineWidth})}function g(w,k,L){for(let $ of Object.entries(k)){let H=[],R=[],z=[];for(let de of $[1])R.push(A.getPosition(de[0]).x),z.push(A.getPosition(de[0]).y);let j=Math.min(...R)-L.paddingX,Z=Math.min(...z)-L.paddingY,Q=Math.max(...R)-Math.min(...R)+2*L.paddingX,ie=Math.max(...z)-Math.min(...z)+2*L.paddingY;H.push({ctx:w,x:j,y:Z,width:Q,height:ie,lineWidth:L.lineWidth,color:L.color,text:$[1][0][2],textPaddingX:L.textPaddingX,textPaddingY:L.textPaddingY,font:L.font,id:$[1][0][1],category:L.category}),H.forEach(function(de){_(de)})}}let v=p("site_id","site"),T={lineWidth:"5",color:"red",paddingX:84,paddingY:84,textPaddingX:8,textPaddingY:-8,font:"14px helvetica",category:"Site"},S=p("location_id","location"),P={lineWidth:"5",color:"#337ab7",paddingX:77,paddingY:77,textPaddingX:22,textPaddingY:29,font:"14px helvetica",category:"Location"},M=p("rack_id","rack"),N={lineWidth:"5",color:"green",paddingX:70,paddingY:70,textPaddingX:15,textPaddingY:36,font:"14px helvetica",category:"Rack"},W=p("virtual_chassis_id","virtual_chassis"),X={lineWidth:"5",color:"orange",paddingX:63,paddingY:63,textPaddingX:8,textPaddingY:43,font:"14px helvetica",category:"Virtual Chassis"}})();var Na="image/png",Fa=document.querySelector("#btnDownloadImage");Fa.addEventListener("click",r=>{Ba()});function Ba(){let r=vn.querySelector("canvas"),e=document.createElement("a"),t=r.toDataURL(Na);e.href=t,e.download="topology",document.body.appendChild(e),e.click(),document.body.removeChild(e)}var Aa=document.querySelector("#btnDownloadXml");Aa.addEventListener("click",r=>{za()});function za(){let r=document.createElement("a"),e="";if(typeof is_htmx!="undefined"){var t=window.location.href;let n="/sites/",a="/locations/";if(t.includes(n)){var s=t.split(n)[1];s=s.split("/")[0],e="site_id="+s+"&show_cables=on&show_unconnected=on"}else if(t.includes(a)){var o=t.split(a)[1];o=o.split("/")[0],e="location_id="+o+"&show_cables=on&show_unconnected=on"}}else e=new URLSearchParams(window.location.search);fetch("/"+basePath+"api/plugins/netbox_topology_views/xml-export/?"+e).then(n=>n.text()).then(n=>{var a=new Blob([n],{type:"text/plain"});r.setAttribute("href",window.URL.createObjectURL(a)),r.setAttribute("download","topology.xml"),r.dataset.downloadurl=["text/plain",r.download,r.href].join(":"),r.click()})}var Ra=new MutationObserver(r=>r.forEach(e=>{if(!A||e.type!=="attributes"||e.attributeName!=="data-bs-theme"||!(e.target instanceof HTMLElement))return;let t=e.target.dataset.bsTheme;qi.nodes.font.color=t==="dark"?"#fff":"#000",A.setOptions(qi)}));Ra.observe(document.body,{attributes:!0,attributeFilter:["data-bs-theme"]});})();
 /*! Hammer.JS - v2.0.17-rc - 2019-12-16
  * http://naver.github.io/egjs
  *
diff --git a/netbox_topology_views/static_dev/js/home.js b/netbox_topology_views/static_dev/js/home.js
index 94660d5..fdb1326 100644
--- a/netbox_topology_views/static_dev/js/home.js
+++ b/netbox_topology_views/static_dev/js/home.js
@@ -75,10 +75,129 @@ const coordSaveCheckbox = document.querySelector('#id_save_coords')
     const group_racks = topologyData.options.group_racks
     const group_virtualchassis = topologyData.options.group_virtualchassis
 
+    const gridSize = parseInt(topologyData.options.grid_size[0]);
+    var dragMode = false;
+
     graph = new Network(container, { nodes, edges }, options)
     graph.fit()
 
+    function getGridPosition(nodeId, gridSize) {
+        x = graph.getPosition(nodeId).x;
+        y = graph.getPosition(nodeId).y;
+
+        if(x >= 0) {
+            if((x % gridSize) > (gridSize / 2)) {
+                x += gridSize;
+            }
+        }
+        else {
+            if((-x % gridSize) > (gridSize / 2)) {
+                x -= gridSize;
+            }
+        }
+        x = x - x % gridSize;
+
+        if(y >= 0) {
+            if((y % gridSize) > (gridSize / 2)) {
+                y += gridSize;
+            }
+        }
+        else {
+            if((-y % gridSize) > (gridSize / 2)) {
+                y -= gridSize;
+            }
+        }
+        y = y - y % gridSize;    
+
+        return {
+            x: x,
+            y: y
+        };
+    }
+
+    function drawGrid(canvascontext) {
+        // Canvas can be zoomed. It then contains more or less virtual pixels than the real number of pixels
+        const zoomFactor = graph.getScale() * window.devicePixelRatio;
+        const virtualWidth = canvascontext.canvas.width / zoomFactor;
+        const virtualHeight = canvascontext.canvas.height / zoomFactor;
+
+        // Canvas can be moved. Get the center of the virtual canvas. Take the grid into account
+        const virtualCenter = graph.getViewPosition();
+        const rasterizedCenterX = virtualCenter.x - virtualCenter.x % gridSize;
+        const rasterizedCenterY = virtualCenter.y - virtualCenter.y % gridSize;
+
+        // Calculate virtual space for the grid
+        const hSpace = (virtualWidth / 2) - (virtualWidth / 2) % gridSize + gridSize;
+        const vSpace = (virtualHeight / 2) - (virtualHeight / 2) % gridSize + gridSize;
+
+        // Calculate virtual position for the grid
+        const left = rasterizedCenterX - gridSize - hSpace;
+        const right = rasterizedCenterX + gridSize + hSpace;
+        const top = rasterizedCenterY - gridSize - vSpace;
+        const bottom = rasterizedCenterY + gridSize + vSpace;
+
+        // Draw grid
+        canvascontext.beginPath();
+
+        for (let x = left; x < right; x += gridSize) {
+            canvascontext.moveTo(x, top);
+            canvascontext.lineTo(x, bottom);
+        }
+
+        for (let y = top; y < bottom; y += gridSize) {
+            canvascontext.moveTo(left, y);
+            canvascontext.lineTo(right, y);
+        }
+
+        canvascontext.strokeStyle = '#777777';
+        canvascontext.stroke();        
+    }
+
+    function drawGridSnapHint(canvascontext) {
+        // Draw grid hinting line and circle
+        if(gridSize > 0 && dragMode == true && graph.getSelectedNodes().length > 0) {
+            for(i = 0; i < graph.getSelectedNodes().length; i++) {
+                id = graph.getSelectedNodes()[i];
+                if(window.nodes.get(id).x != graph.getPosition(id).x || window.nodes.get(id).y != graph.getPosition(id).y) {
+                    pos = getGridPosition(graph.getSelectedNodes()[i], gridSize);
+
+                    canvascontext.beginPath();
+                    canvascontext.arc(graph.getPosition(graph.getSelectedNodes()[i]).x, graph.getPosition(graph.getSelectedNodes()[i]).y, 5, 0, 2 * Math.PI);
+                    canvascontext.fillStyle = '#FF3D3D';
+                    canvascontext.fill();
+
+                    canvascontext.beginPath();
+                    canvascontext.moveTo(graph.getPosition(graph.getSelectedNodes()[i]).x, graph.getPosition(graph.getSelectedNodes()[i]).y);
+                    canvascontext.lineTo(pos.x, pos.y);
+                    canvascontext.strokeStyle = '#FF3D3D';
+                    canvascontext.stroke();
+        
+                    canvascontext.beginPath();
+                    canvascontext.arc(pos.x, pos.y, 10, 0, 2 * Math.PI);
+                    canvascontext.fillStyle = '#9C0000';
+                    canvascontext.fill();
+                }
+            }
+        }
+    }
+
+    graph.on('dragStart', (params) => {
+        dragMode = true;
+    })
+
     graph.on('dragEnd', (params) => {
+        dragMode = false;
+        // Place icon on the grid
+        if(gridSize > 0 && graph.getSelectedNodes().length > 0) {
+            for(i = 0; i < graph.getSelectedNodes().length; i++) {
+                id = graph.getSelectedNodes()[i];
+                if(window.nodes.get(id).x != graph.getPosition(id).x || window.nodes.get(id).y != graph.getPosition(id).y) {
+                    pos = getGridPosition(graph.getSelectedNodes()[i], gridSize);
+                    window.nodes.update({id: graph.getSelectedNodes()[i], x: pos.x, y: pos.y});
+                }
+            }
+        }
+
         if (coordSaveCheckbox.options[coordSaveCheckbox.selectedIndex].text != "Yes") return
 
         Promise.allSettled(
@@ -139,12 +258,20 @@ const coordSaveCheckbox = document.querySelector('#id_save_coords')
         }
     })
 
+    graph.on('beforeDrawing', (canvascontext) => {
+        if (gridSize > 0) {
+            drawGrid(canvascontext);
+        }
+    })
+
     graph.on('afterDrawing', (canvascontext) => {
         allRectangles = [];
         if(group_sites != null && group_sites == 'on') { drawGroupRectangles(canvascontext, groupedNodeSites, siteRectParams); }
         if(group_locations != null && group_locations == 'on') { drawGroupRectangles(canvascontext, groupedNodeLocations, locationRectParams); }
         if(group_racks != null && group_racks == 'on') { drawGroupRectangles(canvascontext, groupedNodeRacks, rackRectParams); }
         if(group_virtualchassis != null && group_virtualchassis == 'on') { drawGroupRectangles(canvascontext, groupedNodeVirtualchassis, virtualchassisRectParams); }
+ 
+        drawGridSnapHint(canvascontext);
     })
 
     graph.on('click', (canvascontext) => {
diff --git a/netbox_topology_views/utils.py b/netbox_topology_views/utils.py
index 53163b4..f4ed8f4 100644
--- a/netbox_topology_views/utils.py
+++ b/netbox_topology_views/utils.py
@@ -196,7 +196,11 @@ def get_query_settings(request):
         if request.GET["straight_cables"] == "True":
             straight_cables = True
 
-    return filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables
+    grid_size = 0
+    if "grid_size" in request.GET:
+        grid_size = request.GET.getlist('grid_size')
+
+    return filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables, grid_size
 
 class LinePattern():
     wireless = [2, 10, 2, 10]
diff --git a/netbox_topology_views/views.py b/netbox_topology_views/views.py
index bca1615..e4f8f61 100644
--- a/netbox_topology_views/views.py
+++ b/netbox_topology_views/views.py
@@ -349,6 +349,7 @@ def get_topology_data(
     group_virtualchassis: bool,
     group_id,
     straight_cables: bool,
+    grid_size: list,
 ):
     
     supported_termination_types = []
@@ -685,6 +686,10 @@ def get_topology_data(
         options['group_sites'] = 'on'
     if group_virtualchassis:
         options['group_virtualchassis'] = 'on'
+    if grid_size:
+        options['grid_size'] = grid_size
+    else:
+        options['grid_size'] = list('0')
 
     for qs_device in queryset:
         if qs_device.pk not in nodes_devices and show_unconnected:
@@ -724,7 +729,7 @@ def get(self, request):
 
         if request.GET:
 
-            filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables = get_query_settings(request)
+            filter_id, ignore_cable_type, save_coords, show_unconnected, show_power, show_circuit, show_logical_connections, show_single_cable_logical_conns, show_cables, show_wireless, group_sites, group_locations, group_racks, group_virtualchassis, group, show_neighbors, straight_cables, grid_size = get_query_settings(request)
             
             # Read options from saved filters as NetBox does not handle custom plugin filters
             if "filter_id" in request.GET and request.GET["filter_id"] != '':
@@ -746,6 +751,7 @@ def get(self, request):
                     if group_virtualchassis == False and 'group_virtualchassis' in saved_filter_params: group_virtualchassis = saved_filter_params['group_virtualchassis']
                     if show_neighbors == False and 'show_neighbors' in saved_filter_params: show_neighbors = saved_filter_params['show_neighbors']
                     if straight_cables == False and 'straight_cables' in saved_filter_params: straight_cables = saved_filter_params['straight_cables']
+                    if grid_size == 0 and 'grid_size' in saved_filter_params: grid_size = saved_filter_params['grid_size']
                 except SavedFilter.DoesNotExist: # filter_id not found
                     pass
                 except Exception as inst:
@@ -779,6 +785,7 @@ def get(self, request):
                     group_virtualchassis=group_virtualchassis,
                     group_id=group_id,
                     straight_cables=straight_cables,
+                    grid_size=grid_size,
                 )
             
         else:
@@ -807,6 +814,7 @@ def get(self, request):
             if individualOptions.group_racks: q['group_racks'] = "True"
             if individualOptions.group_virtualchassis: q['group_virtualchassis'] = "True"
             if individualOptions.straight_cables: q['straight_cables'] = "True"
+            if individualOptions.grid_size: q['grid_size'] = individualOptions.grid_size
             if individualOptions.draw_default_layout: 
                 q['draw_init'] = "True"
             else:
@@ -1167,6 +1175,7 @@ def get(self, request):
                 'group_virtualchassis': queryset.group_virtualchassis,
                 'draw_default_layout': queryset.draw_default_layout,
                 'straight_cables': queryset.straight_cables,
+                'grid_size': queryset.grid_size,
             },
         )