jointjs
Version:
JavaScript diagramming library
431 lines • 173 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.graphlib=f()}})(function(){var define,module,exports;return function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r}()({1:[function(require,module,exports){
/**
* Copyright (c) 2014, Chris Pettitt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/json"),alg:require("./lib/alg"),version:lib.version}},{"./lib":17,"./lib/alg":8,"./lib/json":18}],2:[function(require,module,exports){var _=require("../lodash");module.exports=components;function components(g){var visited={};var cmpts=[];var cmpt;function dfs(v){if(_.has(visited,v))return;visited[v]=true;cmpt.push(v);_.each(g.successors(v),dfs);_.each(g.predecessors(v),dfs)}_.each(g.nodes(),function(v){cmpt=[];dfs(v);if(cmpt.length){cmpts.push(cmpt)}});return cmpts}},{"../lodash":19}],3:[function(require,module,exports){var _=require("../lodash");module.exports=dfs;
/*
* A helper that preforms a pre- or post-order traversal on the input graph
* and returns the nodes in the order they were visited. If the graph is
* undirected then this algorithm will navigate using neighbors. If the graph
* is directed then this algorithm will navigate using successors.
*
* Order must be one of "pre" or "post".
*/function dfs(g,vs,order){if(!_.isArray(vs)){vs=[vs]}var navigation=(g.isDirected()?g.successors:g.neighbors).bind(g);var acc=[];var visited={};_.each(vs,function(v){if(!g.hasNode(v)){throw new Error("Graph does not have node: "+v)}doDfs(g,v,order==="post",visited,navigation,acc)});return acc}function doDfs(g,v,postorder,visited,navigation,acc){if(!_.has(visited,v)){visited[v]=true;if(!postorder){acc.push(v)}_.each(navigation(v),function(w){doDfs(g,w,postorder,visited,navigation,acc)});if(postorder){acc.push(v)}}}},{"../lodash":19}],4:[function(require,module,exports){var dijkstra=require("./dijkstra");var _=require("../lodash");module.exports=dijkstraAll;function dijkstraAll(g,weightFunc,edgeFunc){return _.transform(g.nodes(),function(acc,v){acc[v]=dijkstra(g,v,weightFunc,edgeFunc)},{})}},{"../lodash":19,"./dijkstra":5}],5:[function(require,module,exports){var _=require("../lodash");var PriorityQueue=require("../data/priority-queue");module.exports=dijkstra;var DEFAULT_WEIGHT_FUNC=_.constant(1);function dijkstra(g,source,weightFn,edgeFn){return runDijkstra(g,String(source),weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runDijkstra(g,source,weightFn,edgeFn){var results={};var pq=new PriorityQueue;var v,vEntry;var updateNeighbors=function(edge){var w=edge.v!==v?edge.v:edge.w;var wEntry=results[w];var weight=weightFn(edge);var distance=vEntry.distance+weight;if(weight<0){throw new Error("dijkstra does not allow negative edge weights. "+"Bad edge: "+edge+" Weight: "+weight)}if(distance<wEntry.distance){wEntry.distance=distance;wEntry.predecessor=v;pq.decrease(w,distance)}};g.nodes().forEach(function(v){var distance=v===source?0:Number.POSITIVE_INFINITY;results[v]={distance:distance};pq.add(v,distance)});while(pq.size()>0){v=pq.removeMin();vEntry=results[v];if(vEntry.distance===Number.POSITIVE_INFINITY){break}edgeFn(v).forEach(updateNeighbors)}return results}},{"../data/priority-queue":15,"../lodash":19}],6:[function(require,module,exports){var _=require("../lodash");var tarjan=require("./tarjan");module.exports=findCycles;function findCycles(g){return _.filter(tarjan(g),function(cmpt){return cmpt.length>1||cmpt.length===1&&g.hasEdge(cmpt[0],cmpt[0])})}},{"../lodash":19,"./tarjan":13}],7:[function(require,module,exports){var _=require("../lodash");module.exports=floydWarshall;var DEFAULT_WEIGHT_FUNC=_.constant(1);function floydWarshall(g,weightFn,edgeFn){return runFloydWarshall(g,weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runFloydWarshall(g,weightFn,edgeFn){var results={};var nodes=g.nodes();nodes.forEach(function(v){results[v]={};results[v][v]={distance:0};nodes.forEach(function(w){if(v!==w){results[v][w]={distance:Number.POSITIVE_INFINITY}}});edgeFn(v).forEach(function(edge){var w=edge.v===v?edge.w:edge.v;var d=weightFn(edge);results[v][w]={distance:d,predecessor:v}})});nodes.forEach(function(k){var rowK=results[k];nodes.forEach(function(i){var rowI=results[i];nodes.forEach(function(j){var ik=rowI[k];var kj=rowK[j];var ij=rowI[j];var altDistance=ik.distance+kj.distance;if(altDistance<ij.distance){ij.distance=altDistance;ij.predecessor=kj.predecessor}})})});return results}},{"../lodash":19}],8:[function(require,module,exports){module.exports={components:require("./components"),dijkstra:require("./dijkstra"),dijkstraAll:require("./dijkstra-all"),findCycles:require("./find-cycles"),floydWarshall:require("./floyd-warshall"),isAcyclic:require("./is-acyclic"),postorder:require("./postorder"),preorder:require("./preorder"),prim:require("./prim"),tarjan:require("./tarjan"),topsort:require("./topsort")}},{"./components":2,"./dijkstra":5,"./dijkstra-all":4,"./find-cycles":6,"./floyd-warshall":7,"./is-acyclic":9,"./postorder":10,"./preorder":11,"./prim":12,"./tarjan":13,"./topsort":14}],9:[function(require,module,exports){var topsort=require("./topsort");module.exports=isAcyclic;function isAcyclic(g){try{topsort(g)}catch(e){if(e instanceof topsort.CycleException){return false}throw e}return true}},{"./topsort":14}],10:[function(require,module,exports){var dfs=require("./dfs");module.exports=postorder;function postorder(g,vs){return dfs(g,vs,"post")}},{"./dfs":3}],11:[function(require,module,exports){var dfs=require("./dfs");module.exports=preorder;function preorder(g,vs){return dfs(g,vs,"pre")}},{"./dfs":3}],12:[function(require,module,exports){var _=require("../lodash");var Graph=require("../graph");var PriorityQueue=require("../data/priority-queue");module.exports=prim;function prim(g,weightFunc){var result=new Graph;var parents={};var pq=new PriorityQueue;var v;function updateNeighbors(edge){var w=edge.v===v?edge.w:edge.v;var pri=pq.priority(w);if(pri!==undefined){var edgeWeight=weightFunc(edge);if(edgeWeight<pri){parents[w]=v;pq.decrease(w,edgeWeight)}}}if(g.nodeCount()===0){return result}_.each(g.nodes(),function(v){pq.add(v,Number.POSITIVE_INFINITY);result.setNode(v)});
// Start from an arbitrary node
pq.decrease(g.nodes()[0],0);var init=false;while(pq.size()>0){v=pq.removeMin();if(_.has(parents,v)){result.setEdge(v,parents[v])}else if(init){throw new Error("Input graph is not connected: "+g)}else{init=true}g.nodeEdges(v).forEach(updateNeighbors)}return result}},{"../data/priority-queue":15,"../graph":16,"../lodash":19}],13:[function(require,module,exports){var _=require("../lodash");module.exports=tarjan;function tarjan(g){var index=0;var stack=[];var visited={};// node id -> { onStack, lowlink, index }
var results=[];function dfs(v){var entry=visited[v]={onStack:true,lowlink:index,index:index++};stack.push(v);g.successors(v).forEach(function(w){if(!_.has(visited,w)){dfs(w);entry.lowlink=Math.min(entry.lowlink,visited[w].lowlink)}else if(visited[w].onStack){entry.lowlink=Math.min(entry.lowlink,visited[w].index)}});if(entry.lowlink===entry.index){var cmpt=[];var w;do{w=stack.pop();visited[w].onStack=false;cmpt.push(w)}while(v!==w);results.push(cmpt)}}g.nodes().forEach(function(v){if(!_.has(visited,v)){dfs(v)}});return results}},{"../lodash":19}],14:[function(require,module,exports){var _=require("../lodash");module.exports=topsort;topsort.CycleException=CycleException;function topsort(g){var visited={};var stack={};var results=[];function visit(node){if(_.has(stack,node)){throw new CycleException}if(!_.has(visited,node)){stack[node]=true;visited[node]=true;_.each(g.predecessors(node),visit);delete stack[node];results.push(node)}}_.each(g.sinks(),visit);if(_.size(visited)!==g.nodeCount()){throw new CycleException}return results}function CycleException(){}CycleException.prototype=new Error;// must be an instance of Error to pass testing
},{"../lodash":19}],15:[function(require,module,exports){var _=require("../lodash");module.exports=PriorityQueue;
/**
* A min-priority queue data structure. This algorithm is derived from Cormen,
* et al., "Introduction to Algorithms". The basic idea of a min-priority
* queue is that you can efficiently (in O(1) time) get the smallest key in
* the queue. Adding and removing elements takes O(log n) time. A key can
* have its priority decreased in O(log n) time.
*/function PriorityQueue(){this._arr=[];this._keyIndices={}}
/**
* Returns the number of elements in the queue. Takes `O(1)` time.
*/PriorityQueue.prototype.size=function(){return this._arr.length};
/**
* Returns the keys that are in the queue. Takes `O(n)` time.
*/PriorityQueue.prototype.keys=function(){return this._arr.map(function(x){return x.key})};
/**
* Returns `true` if **key** is in the queue and `false` if not.
*/PriorityQueue.prototype.has=function(key){return _.has(this._keyIndices,key)};
/**
* Returns the priority for **key**. If **key** is not present in the queue
* then this function returns `undefined`. Takes `O(1)` time.
*
* @param {Object} key
*/PriorityQueue.prototype.priority=function(key){var index=this._keyIndices[key];if(index!==undefined){return this._arr[index].priority}};
/**
* Returns the key for the minimum element in this queue. If the queue is
* empty this function throws an Error. Takes `O(1)` time.
*/PriorityQueue.prototype.min=function(){if(this.size()===0){throw new Error("Queue underflow")}return this._arr[0].key};
/**
* Inserts a new key into the priority queue. If the key already exists in
* the queue this function returns `false`; otherwise it will return `true`.
* Takes `O(n)` time.
*
* @param {Object} key the key to add
* @param {Number} priority the initial priority for the key
*/PriorityQueue.prototype.add=function(key,priority){var keyIndices=this._keyIndices;key=String(key);if(!_.has(keyIndices,key)){var arr=this._arr;var index=arr.length;keyIndices[key]=index;arr.push({key:key,priority:priority});this._decrease(index);return true}return false};
/**
* Removes and returns the smallest key in the queue. Takes `O(log n)` time.
*/PriorityQueue.prototype.removeMin=function(){this._swap(0,this._arr.length-1);var min=this._arr.pop();delete this._keyIndices[min.key];this._heapify(0);return min.key};
/**
* Decreases the priority for **key** to **priority**. If the new priority is
* greater than the previous priority, this function will throw an Error.
*
* @param {Object} key the key for which to raise priority
* @param {Number} priority the new priority for the key
*/PriorityQueue.prototype.decrease=function(key,priority){var index=this._keyIndices[key];if(priority>this._arr[index].priority){throw new Error("New priority is greater than current priority. "+"Key: "+key+" Old: "+this._arr[index].priority+" New: "+priority)}this._arr[index].priority=priority;this._decrease(index)};PriorityQueue.prototype._heapify=function(i){var arr=this._arr;var l=2*i;var r=l+1;var largest=i;if(l<arr.length){largest=arr[l].priority<arr[largest].priority?l:largest;if(r<arr.length){largest=arr[r].priority<arr[largest].priority?r:largest}if(largest!==i){this._swap(i,largest);this._heapify(largest)}}};PriorityQueue.prototype._decrease=function(index){var arr=this._arr;var priority=arr[index].priority;var parent;while(index!==0){parent=index>>1;if(arr[parent].priority<priority){break}this._swap(index,parent);index=parent}};PriorityQueue.prototype._swap=function(i,j){var arr=this._arr;var keyIndices=this._keyIndices;var origArrI=arr[i];var origArrJ=arr[j];arr[i]=origArrJ;arr[j]=origArrI;keyIndices[origArrJ.key]=i;keyIndices[origArrI.key]=j}},{"../lodash":19}],16:[function(require,module,exports){"use strict";var _=require("./lodash");module.exports=Graph;var DEFAULT_EDGE_NAME="\0";var GRAPH_NODE="\0";var EDGE_KEY_DELIM="";
// Implementation notes:
//
// * Node id query functions should return string ids for the nodes
// * Edge id query functions should return an "edgeObj", edge object, that is
// composed of enough information to uniquely identify an edge: {v, w, name}.
// * Internally we use an "edgeId", a stringified form of the edgeObj, to
// reference edges. This is because we need a performant way to look these
// edges up and, object properties, which have string keys, are the closest
// we're going to get to a performant hashtable in JavaScript.
function Graph(opts){this._isDirected=_.has(opts,"directed")?opts.directed:true;this._isMultigraph=_.has(opts,"multigraph")?opts.multigraph:false;this._isCompound=_.has(opts,"compound")?opts.compound:false;
// Label for the graph itself
this._label=undefined;
// Defaults to be set when creating a new node
this._defaultNodeLabelFn=_.constant(undefined);
// Defaults to be set when creating a new edge
this._defaultEdgeLabelFn=_.constant(undefined);
// v -> label
this._nodes={};if(this._isCompound){
// v -> parent
this._parent={};
// v -> children
this._children={};this._children[GRAPH_NODE]={}}
// v -> edgeObj
this._in={};
// u -> v -> Number
this._preds={};
// v -> edgeObj
this._out={};
// v -> w -> Number
this._sucs={};
// e -> edgeObj
this._edgeObjs={};
// e -> label
this._edgeLabels={}}
/* Number of nodes in the graph. Should only be changed by the implementation. */Graph.prototype._nodeCount=0;
/* Number of edges in the graph. Should only be changed by the implementation. */Graph.prototype._edgeCount=0;
/* === Graph functions ========= */Graph.prototype.isDirected=function(){return this._isDirected};Graph.prototype.isMultigraph=function(){return this._isMultigraph};Graph.prototype.isCompound=function(){return this._isCompound};Graph.prototype.setGraph=function(label){this._label=label;return this};Graph.prototype.graph=function(){return this._label};
/* === Node functions ========== */Graph.prototype.setDefaultNodeLabel=function(newDefault){if(!_.isFunction(newDefault)){newDefault=_.constant(newDefault)}this._defaultNodeLabelFn=newDefault;return this};Graph.prototype.nodeCount=function(){return this._nodeCount};Graph.prototype.nodes=function(){return _.keys(this._nodes)};Graph.prototype.sources=function(){var self=this;return _.filter(this.nodes(),function(v){return _.isEmpty(self._in[v])})};Graph.prototype.sinks=function(){var self=this;return _.filter(this.nodes(),function(v){return _.isEmpty(self._out[v])})};Graph.prototype.setNodes=function(vs,value){var args=arguments;var self=this;_.each(vs,function(v){if(args.length>1){self.setNode(v,value)}else{self.setNode(v)}});return this};Graph.prototype.setNode=function(v,value){if(_.has(this._nodes,v)){if(arguments.length>1){this._nodes[v]=value}return this}this._nodes[v]=arguments.length>1?value:this._defaultNodeLabelFn(v);if(this._isCompound){this._parent[v]=GRAPH_NODE;this._children[v]={};this._children[GRAPH_NODE][v]=true}this._in[v]={};this._preds[v]={};this._out[v]={};this._sucs[v]={};++this._nodeCount;return this};Graph.prototype.node=function(v){return this._nodes[v]};Graph.prototype.hasNode=function(v){return _.has(this._nodes,v)};Graph.prototype.removeNode=function(v){var self=this;if(_.has(this._nodes,v)){var removeEdge=function(e){self.removeEdge(self._edgeObjs[e])};delete this._nodes[v];if(this._isCompound){this._removeFromParentsChildList(v);delete this._parent[v];_.each(this.children(v),function(child){self.setParent(child)});delete this._children[v]}_.each(_.keys(this._in[v]),removeEdge);delete this._in[v];delete this._preds[v];_.each(_.keys(this._out[v]),removeEdge);delete this._out[v];delete this._sucs[v];--this._nodeCount}return this};Graph.prototype.setParent=function(v,parent){if(!this._isCompound){throw new Error("Cannot set parent in a non-compound graph")}if(_.isUndefined(parent)){parent=GRAPH_NODE}else{
// Coerce parent to string
parent+="";for(var ancestor=parent;!_.isUndefined(ancestor);ancestor=this.parent(ancestor)){if(ancestor===v){throw new Error("Setting "+parent+" as parent of "+v+" would create a cycle")}}this.setNode(parent)}this.setNode(v);this._removeFromParentsChildList(v);this._parent[v]=parent;this._children[parent][v]=true;return this};Graph.prototype._removeFromParentsChildList=function(v){delete this._children[this._parent[v]][v]};Graph.prototype.parent=function(v){if(this._isCompound){var parent=this._parent[v];if(parent!==GRAPH_NODE){return parent}}};Graph.prototype.children=function(v){if(_.isUndefined(v)){v=GRAPH_NODE}if(this._isCompound){var children=this._children[v];if(children){return _.keys(children)}}else if(v===GRAPH_NODE){return this.nodes()}else if(this.hasNode(v)){return[]}};Graph.prototype.predecessors=function(v){var predsV=this._preds[v];if(predsV){return _.keys(predsV)}};Graph.prototype.successors=function(v){var sucsV=this._sucs[v];if(sucsV){return _.keys(sucsV)}};Graph.prototype.neighbors=function(v){var preds=this.predecessors(v);if(preds){return _.union(preds,this.successors(v))}};Graph.prototype.isLeaf=function(v){var neighbors;if(this.isDirected()){neighbors=this.successors(v)}else{neighbors=this.neighbors(v)}return neighbors.length===0};Graph.prototype.filterNodes=function(filter){var copy=new this.constructor({directed:this._isDirected,multigraph:this._isMultigraph,compound:this._isCompound});copy.setGraph(this.graph());var self=this;_.each(this._nodes,function(value,v){if(filter(v)){copy.setNode(v,value)}});_.each(this._edgeObjs,function(e){if(copy.hasNode(e.v)&©.hasNode(e.w)){copy.setEdge(e,self.edge(e))}});var parents={};function findParent(v){var parent=self.parent(v);if(parent===undefined||copy.hasNode(parent)){parents[v]=parent;return parent}else if(parent in parents){return parents[parent]}else{return findParent(parent)}}if(this._isCompound){_.each(copy.nodes(),function(v){copy.setParent(v,findParent(v))})}return copy};
/* === Edge functions ========== */Graph.prototype.setDefaultEdgeLabel=function(newDefault){if(!_.isFunction(newDefault)){newDefault=_.constant(newDefault)}this._defaultEdgeLabelFn=newDefault;return this};Graph.prototype.edgeCount=function(){return this._edgeCount};Graph.prototype.edges=function(){return _.values(this._edgeObjs)};Graph.prototype.setPath=function(vs,value){var self=this;var args=arguments;_.reduce(vs,function(v,w){if(args.length>1){self.setEdge(v,w,value)}else{self.setEdge(v,w)}return w});return this};
/*
* setEdge(v, w, [value, [name]])
* setEdge({ v, w, [name] }, [value])
*/Graph.prototype.setEdge=function(){var v,w,name,value;var valueSpecified=false;var arg0=arguments[0];if(typeof arg0==="object"&&arg0!==null&&"v"in arg0){v=arg0.v;w=arg0.w;name=arg0.name;if(arguments.length===2){value=arguments[1];valueSpecified=true}}else{v=arg0;w=arguments[1];name=arguments[3];if(arguments.length>2){value=arguments[2];valueSpecified=true}}v=""+v;w=""+w;if(!_.isUndefined(name)){name=""+name}var e=edgeArgsToId(this._isDirected,v,w,name);if(_.has(this._edgeLabels,e)){if(valueSpecified){this._edgeLabels[e]=value}return this}if(!_.isUndefined(name)&&!this._isMultigraph){throw new Error("Cannot set a named edge when isMultigraph = false")}
// It didn't exist, so we need to create it.
// First ensure the nodes exist.
this.setNode(v);this.setNode(w);this._edgeLabels[e]=valueSpecified?value:this._defaultEdgeLabelFn(v,w,name);var edgeObj=edgeArgsToObj(this._isDirected,v,w,name);
// Ensure we add undirected edges in a consistent way.
v=edgeObj.v;w=edgeObj.w;Object.freeze(edgeObj);this._edgeObjs[e]=edgeObj;incrementOrInitEntry(this._preds[w],v);incrementOrInitEntry(this._sucs[v],w);this._in[w][e]=edgeObj;this._out[v][e]=edgeObj;this._edgeCount++;return this};Graph.prototype.edge=function(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return this._edgeLabels[e]};Graph.prototype.hasEdge=function(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return _.has(this._edgeLabels,e)};Graph.prototype.removeEdge=function(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);var edge=this._edgeObjs[e];if(edge){v=edge.v;w=edge.w;delete this._edgeLabels[e];delete this._edgeObjs[e];decrementOrRemoveEntry(this._preds[w],v);decrementOrRemoveEntry(this._sucs[v],w);delete this._in[w][e];delete this._out[v][e];this._edgeCount--}return this};Graph.prototype.inEdges=function(v,u){var inV=this._in[v];if(inV){var edges=_.values(inV);if(!u){return edges}return _.filter(edges,function(edge){return edge.v===u})}};Graph.prototype.outEdges=function(v,w){var outV=this._out[v];if(outV){var edges=_.values(outV);if(!w){return edges}return _.filter(edges,function(edge){return edge.w===w})}};Graph.prototype.nodeEdges=function(v,w){var inEdges=this.inEdges(v,w);if(inEdges){return inEdges.concat(this.outEdges(v,w))}};function incrementOrInitEntry(map,k){if(map[k]){map[k]++}else{map[k]=1}}function decrementOrRemoveEntry(map,k){if(!--map[k]){delete map[k]}}function edgeArgsToId(isDirected,v_,w_,name){var v=""+v_;var w=""+w_;if(!isDirected&&v>w){var tmp=v;v=w;w=tmp}return v+EDGE_KEY_DELIM+w+EDGE_KEY_DELIM+(_.isUndefined(name)?DEFAULT_EDGE_NAME:name)}function edgeArgsToObj(isDirected,v_,w_,name){var v=""+v_;var w=""+w_;if(!isDirected&&v>w){var tmp=v;v=w;w=tmp}var edgeObj={v:v,w:w};if(name){edgeObj.name=name}return edgeObj}function edgeObjToId(isDirected,edgeObj){return edgeArgsToId(isDirected,edgeObj.v,edgeObj.w,edgeObj.name)}},{"./lodash":19}],17:[function(require,module,exports){
// Includes only the "core" of graphlib
module.exports={Graph:require("./graph"),version:require("./version")}},{"./graph":16,"./version":20}],18:[function(require,module,exports){var _=require("./lodash");var Graph=require("./graph");module.exports={write:write,read:read};function write(g){var json={options:{directed:g.isDirected(),multigraph:g.isMultigraph(),compound:g.isCompound()},nodes:writeNodes(g),edges:writeEdges(g)};if(!_.isUndefined(g.graph())){json.value=_.clone(g.graph())}return json}function writeNodes(g){return _.map(g.nodes(),function(v){var nodeValue=g.node(v);var parent=g.parent(v);var node={v:v};if(!_.isUndefined(nodeValue)){node.value=nodeValue}if(!_.isUndefined(parent)){node.parent=parent}return node})}function writeEdges(g){return _.map(g.edges(),function(e){var edgeValue=g.edge(e);var edge={v:e.v,w:e.w};if(!_.isUndefined(e.name)){edge.name=e.name}if(!_.isUndefined(edgeValue)){edge.value=edgeValue}return edge})}function read(json){var g=new Graph(json.options).setGraph(json.value);_.each(json.nodes,function(entry){g.setNode(entry.v,entry.value);if(entry.parent){g.setParent(entry.v,entry.parent)}});_.each(json.edges,function(entry){g.setEdge({v:entry.v,w:entry.w,name:entry.name},entry.value)});return g}},{"./graph":16,"./lodash":19}],19:[function(require,module,exports){
/* global window */
var lodash;if(typeof require==="function"){try{lodash={clone:require("lodash/clone"),constant:require("lodash/constant"),each:require("lodash/each"),filter:require("lodash/filter"),has:require("lodash/has"),isArray:require("lodash/isArray"),isEmpty:require("lodash/isEmpty"),isFunction:require("lodash/isFunction"),isUndefined:require("lodash/isUndefined"),keys:require("lodash/keys"),map:require("lodash/map"),reduce:require("lodash/reduce"),size:require("lodash/size"),transform:require("lodash/transform"),union:require("lodash/union"),values:require("lodash/values")}}catch(e){
// continue regardless of error
}}if(!lodash){lodash=window._}module.exports=lodash},{"lodash/clone":175,"lodash/constant":176,"lodash/each":177,"lodash/filter":179,"lodash/has":182,"lodash/isArray":186,"lodash/isEmpty":190,"lodash/isFunction":191,"lodash/isUndefined":200,"lodash/keys":201,"lodash/map":203,"lodash/reduce":207,"lodash/size":208,"lodash/transform":212,"lodash/union":213,"lodash/values":214}],20:[function(require,module,exports){module.exports="2.1.8"},{}],21:[function(require,module,exports){var getNative=require("./_getNative"),root=require("./_root");
/* Built-in method references that are verified to be native. */var DataView=getNative(root,"DataView");module.exports=DataView},{"./_getNative":114,"./_root":158}],22:[function(require,module,exports){var hashClear=require("./_hashClear"),hashDelete=require("./_hashDelete"),hashGet=require("./_hashGet"),hashHas=require("./_hashHas"),hashSet=require("./_hashSet");
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/function Hash(entries){var index=-1,length=entries==null?0:entries.length;this.clear();while(++index<length){var entry=entries[index];this.set(entry[0],entry[1])}}
// Add methods to `Hash`.
Hash.prototype.clear=hashClear;Hash.prototype["delete"]=hashDelete;Hash.prototype.get=hashGet;Hash.prototype.has=hashHas;Hash.prototype.set=hashSet;module.exports=Hash},{"./_hashClear":123,"./_hashDelete":124,"./_hashGet":125,"./_hashHas":126,"./_hashSet":127}],23:[function(require,module,exports){var listCacheClear=require("./_listCacheClear"),listCacheDelete=require("./_listCacheDelete"),listCacheGet=require("./_listCacheGet"),listCacheHas=require("./_listCacheHas"),listCacheSet=require("./_listCacheSet");
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/function ListCache(entries){var index=-1,length=entries==null?0:entries.length;this.clear();while(++index<length){var entry=entries[index];this.set(entry[0],entry[1])}}
// Add methods to `ListCache`.
ListCache.prototype.clear=listCacheClear;ListCache.prototype["delete"]=listCacheDelete;ListCache.prototype.get=listCacheGet;ListCache.prototype.has=listCacheHas;ListCache.prototype.set=listCacheSet;module.exports=ListCache},{"./_listCacheClear":138,"./_listCacheDelete":139,"./_listCacheGet":140,"./_listCacheHas":141,"./_listCacheSet":142}],24:[function(require,module,exports){var getNative=require("./_getNative"),root=require("./_root");
/* Built-in method references that are verified to be native. */var Map=getNative(root,"Map");module.exports=Map},{"./_getNative":114,"./_root":158}],25:[function(require,module,exports){var mapCacheClear=require("./_mapCacheClear"),mapCacheDelete=require("./_mapCacheDelete"),mapCacheGet=require("./_mapCacheGet"),mapCacheHas=require("./_mapCacheHas"),mapCacheSet=require("./_mapCacheSet");
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/function MapCache(entries){var index=-1,length=entries==null?0:entries.length;this.clear();while(++index<length){var entry=entries[index];this.set(entry[0],entry[1])}}
// Add methods to `MapCache`.
MapCache.prototype.clear=mapCacheClear;MapCache.prototype["delete"]=mapCacheDelete;MapCache.prototype.get=mapCacheGet;MapCache.prototype.has=mapCacheHas;MapCache.prototype.set=mapCacheSet;module.exports=MapCache},{"./_mapCacheClear":143,"./_mapCacheDelete":144,"./_mapCacheGet":145,"./_mapCacheHas":146,"./_mapCacheSet":147}],26:[function(require,module,exports){var getNative=require("./_getNative"),root=require("./_root");
/* Built-in method references that are verified to be native. */var Promise=getNative(root,"Promise");module.exports=Promise},{"./_getNative":114,"./_root":158}],27:[function(require,module,exports){var getNative=require("./_getNative"),root=require("./_root");
/* Built-in method references that are verified to be native. */var Set=getNative(root,"Set");module.exports=Set},{"./_getNative":114,"./_root":158}],28:[function(require,module,exports){var MapCache=require("./_MapCache"),setCacheAdd=require("./_setCacheAdd"),setCacheHas=require("./_setCacheHas");
/**
*
* Creates an array cache object to store unique values.
*
* @private
* @constructor
* @param {Array} [values] The values to cache.
*/function SetCache(values){var index=-1,length=values==null?0:values.length;this.__data__=new MapCache;while(++index<length){this.add(values[index])}}
// Add methods to `SetCache`.
SetCache.prototype.add=SetCache.prototype.push=setCacheAdd;SetCache.prototype.has=setCacheHas;module.exports=SetCache},{"./_MapCache":25,"./_setCacheAdd":159,"./_setCacheHas":160}],29:[function(require,module,exports){var ListCache=require("./_ListCache"),stackClear=require("./_stackClear"),stackDelete=require("./_stackDelete"),stackGet=require("./_stackGet"),stackHas=require("./_stackHas"),stackSet=require("./_stackSet");
/**
* Creates a stack cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/function Stack(entries){var data=this.__data__=new ListCache(entries);this.size=data.size}
// Add methods to `Stack`.
Stack.prototype.clear=stackClear;Stack.prototype["delete"]=stackDelete;Stack.prototype.get=stackGet;Stack.prototype.has=stackHas;Stack.prototype.set=stackSet;module.exports=Stack},{"./_ListCache":23,"./_stackClear":164,"./_stackDelete":165,"./_stackGet":166,"./_stackHas":167,"./_stackSet":168}],30:[function(require,module,exports){var root=require("./_root");
/** Built-in value references. */var Symbol=root.Symbol;module.exports=Symbol},{"./_root":158}],31:[function(require,module,exports){var root=require("./_root");
/** Built-in value references. */var Uint8Array=root.Uint8Array;module.exports=Uint8Array},{"./_root":158}],32:[function(require,module,exports){var getNative=require("./_getNative"),root=require("./_root");
/* Built-in method references that are verified to be native. */var WeakMap=getNative(root,"WeakMap");module.exports=WeakMap},{"./_getNative":114,"./_root":158}],33:[function(require,module,exports){
/**
* A faster alternative to `Function#apply`, this function invokes `func`
* with the `this` binding of `thisArg` and the arguments of `args`.
*
* @private
* @param {Function} func The function to invoke.
* @param {*} thisArg The `this` binding of `func`.
* @param {Array} args The arguments to invoke `func` with.
* @returns {*} Returns the result of `func`.
*/
function apply(func,thisArg,args){switch(args.length){case 0:return func.call(thisArg);case 1:return func.call(thisArg,args[0]);case 2:return func.call(thisArg,args[0],args[1]);case 3:return func.call(thisArg,args[0],args[1],args[2])}return func.apply(thisArg,args)}module.exports=apply},{}],34:[function(require,module,exports){
/**
* A specialized version of `_.forEach` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns `array`.
*/
function arrayEach(array,iteratee){var index=-1,length=array==null?0:array.length;while(++index<length){if(iteratee(array[index],index,array)===false){break}}return array}module.exports=arrayEach},{}],35:[function(require,module,exports){
/**
* A specialized version of `_.filter` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
*/
function arrayFilter(array,predicate){var index=-1,length=array==null?0:array.length,resIndex=0,result=[];while(++index<length){var value=array[index];if(predicate(value,index,array)){result[resIndex++]=value}}return result}module.exports=arrayFilter},{}],36:[function(require,module,exports){var baseIndexOf=require("./_baseIndexOf");
/**
* A specialized version of `_.includes` for arrays without support for
* specifying an index to search from.
*
* @private
* @param {Array} [array] The array to inspect.
* @param {*} target The value to search for.
* @returns {boolean} Returns `true` if `target` is found, else `false`.
*/function arrayIncludes(array,value){var length=array==null?0:array.length;return!!length&&baseIndexOf(array,value,0)>-1}module.exports=arrayIncludes},{"./_baseIndexOf":62}],37:[function(require,module,exports){
/**
* This function is like `arrayIncludes` except that it accepts a comparator.
*
* @private
* @param {Array} [array] The array to inspect.
* @param {*} target The value to search for.
* @param {Function} comparator The comparator invoked per element.
* @returns {boolean} Returns `true` if `target` is found, else `false`.
*/
function arrayIncludesWith(array,value,comparator){var index=-1,length=array==null?0:array.length;while(++index<length){if(comparator(value,array[index])){return true}}return false}module.exports=arrayIncludesWith},{}],38:[function(require,module,exports){var baseTimes=require("./_baseTimes"),isArguments=require("./isArguments"),isArray=require("./isArray"),isBuffer=require("./isBuffer"),isIndex=require("./_isIndex"),isTypedArray=require("./isTypedArray");
/** Used for built-in method references. */var objectProto=Object.prototype;
/** Used to check objects for own properties. */var hasOwnProperty=objectProto.hasOwnProperty;
/**
* Creates an array of the enumerable property names of the array-like `value`.
*
* @private
* @param {*} value The value to query.
* @param {boolean} inherited Specify returning inherited property names.
* @returns {Array} Returns the array of property names.
*/function arrayLikeKeys(value,inherited){var isArr=isArray(value),isArg=!isArr&&isArguments(value),isBuff=!isArr&&!isArg&&isBuffer(value),isType=!isArr&&!isArg&&!isBuff&&isTypedArray(value),skipIndexes=isArr||isArg||isBuff||isType,result=skipIndexes?baseTimes(value.length,String):[],length=result.length;for(var key in value){if((inherited||hasOwnProperty.call(value,key))&&!(skipIndexes&&(
// Safari 9 has enumerable `arguments.length` in strict mode.
key=="length"||
// Node.js 0.10 has enumerable non-index properties on buffers.
isBuff&&(key=="offset"||key=="parent")||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
isType&&(key=="buffer"||key=="byteLength"||key=="byteOffset")||
// Skip index properties.
isIndex(key,length)))){result.push(key)}}return result}module.exports=arrayLikeKeys},{"./_baseTimes":83,"./_isIndex":132,"./isArguments":185,"./isArray":186,"./isBuffer":189,"./isTypedArray":199}],39:[function(require,module,exports){
/**
* A specialized version of `_.map` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the new mapped array.
*/
function arrayMap(array,iteratee){var index=-1,length=array==null?0:array.length,result=Array(length);while(++index<length){result[index]=iteratee(array[index],index,array)}return result}module.exports=arrayMap},{}],40:[function(require,module,exports){
/**
* Appends the elements of `values` to `array`.
*
* @private
* @param {Array} array The array to modify.
* @param {Array} values The values to append.
* @returns {Array} Returns `array`.
*/
function arrayPush(array,values){var index=-1,length=values.length,offset=array.length;while(++index<length){array[offset+index]=values[index]}return array}module.exports=arrayPush},{}],41:[function(require,module,exports){
/**
* A specialized version of `_.reduce` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {*} [accumulator] The initial value.
* @param {boolean} [initAccum] Specify using the first element of `array` as
* the initial value.
* @returns {*} Returns the accumulated value.
*/
function arrayReduce(array,iteratee,accumulator,initAccum){var index=-1,length=array==null?0:array.length;if(initAccum&&length){accumulator=array[++index]}while(++index<length){accumulator=iteratee(accumulator,array[index],index,array)}return accumulator}module.exports=arrayReduce},{}],42:[function(require,module,exports){
/**
* A specialized version of `_.some` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
*/
function arraySome(array,predicate){var index=-1,length=array==null?0:array.length;while(++index<length){if(predicate(array[index],index,array)){return true}}return false}module.exports=arraySome},{}],43:[function(require,module,exports){var baseProperty=require("./_baseProperty");
/**
* Gets the size of an ASCII `string`.
*
* @private
* @param {string} string The string inspect.
* @returns {number} Returns the string size.
*/var asciiSize=baseProperty("length");module.exports=asciiSize},{"./_baseProperty":78}],44:[function(require,module,exports){var baseAssignValue=require("./_baseAssignValue"),eq=require("./eq");
/** Used for built-in method references. */var objectProto=Object.prototype;
/** Used to check objects for own properties. */var hasOwnProperty=objectProto.hasOwnProperty;
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/function assignValue(object,key,value){var objValue=object[key];if(!(hasOwnProperty.call(object,key)&&eq(objValue,value))||value===undefined&&!(key in object)){baseAssignValue(object,key,value)}}module.exports=assignValue},{"./_baseAssignValue":48,"./eq":178}],45:[function(require,module,exports){var eq=require("./eq");
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/function assocIndexOf(array,key){var length=array.length;while(length--){if(eq(array[length][0],key)){return length}}return-1}module.exports=assocIndexOf},{"./eq":178}],46:[function(require,module,exports){var copyObject=require("./_copyObject"),keys=require("./keys");
/**
* The base implementation of `_.assign` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/function baseAssign(object,source){return object&©Object(source,keys(source),object)}module.exports=baseAssign},{"./_copyObject":98,"./keys":201}],47:[function(require,module,exports){var copyObject=require("./_copyObject"),keysIn=require("./keysIn");
/**
* The base implementation of `_.assignIn` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/function baseAssignIn(object,source){return object&©Object(source,keysIn(source),object)}module.exports=baseAssignIn},{"./_copyObject":98,"./keysIn":202}],48:[function(require,module,exports){var defineProperty=require("./_defineProperty");
/**
* The base implementation of `assignValue` and `assignMergeValue` without
* value checks.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/function baseAssignValue(object,key,value){if(key=="__proto__"&&defineProperty){defineProperty(object,key,{configurable:true,enumerable:true,value:value,writable:true})}else{object[key]=value}}module.exports=baseAssignValue},{"./_defineProperty":105}],49:[function(require,module,exports){var Stack=require("./_Stack"),arrayEach=require("./_arrayEach"),assignValue=require("./_assignValue"),baseAssign=require("./_baseAssign"),baseAssignIn=require("./_baseAssignIn"),cloneBuffer=require("./_cloneBuffer"),copyArray=require("./_copyArray"),copySymbols=require("./_copySymbols"),copySymbolsIn=require("./_copySymbolsIn"),getAllKeys=require("./_getAllKeys"),getAllKeysIn=require("./_getAllKeysIn"),getTag=require("./_getTag"),initCloneArray=require("./_initCloneArray"),initCloneByTag=require("./_initCloneByTag"),initCloneObject=require("./_initCloneObject"),isArray=require("./isArray"),isBuffer=require("./isBuffer"),isMap=require("./isMap"),isObject=require("./isObject"),isSet=require("./isSet"),keys=require("./keys");
/** Used to compose bitmasks for cloning. */var CLONE_DEEP_FLAG=1,CLONE_FLAT_FLAG=2,CLONE_SYMBOLS_FLAG=4;
/** `Object#toString` result references. */var argsTag="[object Arguments]",arrayTag="[object Array]",boolTag="[object Boolean]",dateTag="[object Date]",errorTag="[object Error]",funcTag="[object Function]",genTag="[object GeneratorFunction]",mapTag="[object Map]",numberTag="[object Number]",objectTag="[object Object]",regexpTag="[object RegExp]",setTag="[object Set]",stringTag="[object String]",symbolTag="[object Symbol]",weakMapTag="[object WeakMap]";var arrayBufferTag="[object ArrayBuffer]",dataViewTag="[object DataView]",float32Tag="[object Float32Array]",float64Tag="[object Float64Array]",int8Tag="[object Int8Array]",int16Tag="[object Int16Array]",int32Tag="[object Int32Array]",uint8Tag="[object Uint8Array]",uint8ClampedTag="[object Uint8ClampedArray]",uint16Tag="[object Uint16Array]",uint32Tag="[object Uint32Array]";
/** Used to identify `toStringTag` values supported by `_.clone`. */var cloneableTags={};cloneableTags[argsTag]=cloneableTags[arrayTag]=cloneableTags[arrayBufferTag]=cloneableTags[dataViewTag]=cloneableTags[boolTag]=cloneableTags[dateTag]=cloneableTags[float32Tag]=cloneableTags[float64Tag]=cloneableTags[int8Tag]=cloneableTags[int16Tag]=cloneableTags[int32Tag]=cloneableTags[mapTag]=cloneableTags[numberTag]=cloneableTags[objectTag]=cloneableTags[regexpTag]=cloneableTags[setTag]=cloneableTags[stringTag]=cloneableTags[symbolTag]=cloneableTags[uint8Tag]=cloneableTags[uint8ClampedTag]=cloneableTags[uint16Tag]=cloneableTags[uint32Tag]=true;cloneableTags[errorTag]=cloneableTags[funcTag]=cloneableTags[weakMapTag]=false;
/**
* The base implementation of `_.clone` and `_.cloneDeep` which tracks
* traversed objects.
*
* @private
* @param {*} value The value to clone.
* @param {boolean} bitmask The bitmask flags.
* 1 - Deep clone
* 2 - Flatten inherited properties
* 4 - Clone symbols
* @param {Function} [customizer] The function to customize cloning.
* @param {string} [key] The key of `value`.
* @param {Object} [object] The parent object of `value`.
* @param {Object} [stack] Tracks traversed objects and their clone counterparts.
* @returns {*} Returns the cloned value.
*/function baseClone(value,bitmask,customizer,key,object,stack){var result,isDeep=bitmask&CLONE_DEEP_FLAG,isFlat=bitmask&CLONE_FLAT_FLAG,isFull=bitmask&CLONE_SYMBOLS_FLAG;if(customizer){result=object?customizer(value,key,object,stack):customizer(value)}if(result!==undefined){return result}if(!isObject(value)){return value}var isArr=isArray(value);if(isArr){result=initCloneArray(value);if(!isDeep){return copyArray(value,result)}}else{var tag=getTag(value),isFunc=tag==funcTag||tag==genTag;if(isBuffer(value)){return cloneBuffer(value,isDeep)}if(tag==objectTag||tag==argsTag||isFunc&&!object){result=isFlat||isFunc?{}:initCloneObject(value);if(!isDeep){return isFlat?copySymbolsIn(value,baseAssignIn(result,value)):copySymbols(value,baseAssign(result,value))}}else{if(!cloneableTags[tag]){return object?value:{}}result=initCloneByTag(value,tag,isDeep)}}
// Check for circular references and return its corresponding clone.
stack||(stack=new Stack);var stacked=stack.get(value);if(stacked){return stacked}stack.set(value,result);if(isSet(value)){value.forEach(function(subValue){result.add(baseClone(subValue,bitmask,customizer,subValue,value,stack))})}else if(isMap(value)){value.forEach(function(subValue,key){result.set(key,baseClone(subValue,bitmask,customizer,key,value,stack))})}var keysFunc=isFull?isFlat?getAllKeysIn:getAllKeys:isFlat?keysIn:keys;var props=isArr?undefined:keysFunc(value);arrayEach(props||value,function(subValue,key){if(props){key=subValue;subValue=value[key]}
// Recursively populate clone (susceptible to call stack limits).
assignValue(result,key,baseClone(subValue,bitmask,customizer,key,value,stack))});return result}module.exports=baseClone},{"./_Stack":29,"./_arrayEach":34,"./_assignValue":44,"./_baseAssign":46,"./_baseAssignIn":47,"./_cloneBuffer":92,"./_copyArray":97,"./_copySymbols":99,"./_copySymbolsIn":100,"./_getAllKeys":110,"./_getAllKeysIn":111,"./_getTag":119,"./_initCloneArray":128,"./_initCloneByTag":129,"./_initCloneObject":130,"./isArray":186,"./isBuffer":189,"./isMap":193,"./isObject":194,"./isSet":196,"./keys":201}],50:[function(require,module,exports){var isObject=require("./isObject");
/** Built-in value references. */var objectCreate=Object.create;
/**
* The base implementation of `_.create` without support for assigning
* properties to the created object.
*
* @private
* @param {Object} proto The object to inherit from.
* @returns {Object} Returns the new object.
*/var baseCreate=function(){function object(){}return function(proto){if(!isObject(proto)){return{}}if(objectCreate){return objectCreate(proto)}object.prototype=proto;var result=new object;object.prototype=undefined;return result}}();module.exports=baseCreate},{"./isObject":194}],51:[function(require,module,exports){var baseForOwn=require("./_baseForOwn"),createBaseEach=require("./_createBaseEach");
/**
* The base implementation of `_.forEach` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array|Object} Returns `collection`.
*/var baseEach=createBaseEach(baseForOwn);module.exports=baseEach},{"./_baseForOwn":56,"./_createBaseEach":102}],52:[function(require,module,exports){var baseEach=require("./_baseEach");
/**
* The base implementation of `_.filter` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
*/function baseFilter(collection,predicate){var result=[];baseEach(collection,function(value,index,collection){if(predicate(value,index,collection)){result.push(value)}});return result}module.exports=baseFilter},{"./_baseEach":51}],53:[function(require,module,exports){
/**
* The base implementation of `_.findIndex` and `_.findLastIndex` without
* support for iteratee shorthands.
*
* @private
* @param {Array} array The array to inspect.
* @param {Function} predicate The function invoked per iteration.
* @param {number} fromIndex The index to search from.
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function baseFindIndex(array,predicate,fromIndex,fromRight){var length=array.length,index=fromIndex+(fromRight?1:-1);while(fromRight?index--:++index<length){if(predicate(array[index],index,array)){return index}}return-1}module.exports=baseFindIndex},{}],54:[function(require,module,exports){var arrayPush=require("./_arrayPush"),isFlattenable=require("./_isFlattenable");
/**
* The base implementation of `_.flatten` with support for restricting flattening.
*
* @private
* @param {Array} array The array to flatten.
* @param {number} depth The maximum recursion depth.
* @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
* @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
* @param {Array} [result=[]] The initial result value.
* @returns