graphology - npm Package Compare versions

Comparing version 0.8.0 to 0.9.0

build/graphology.min.js

@@ -1,1 +0,1 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.graphology=t():e.graphology=t()}(this,function(){return function(e){function t(n){if(r[n])return r[n].exports;var o=r[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var r={};return t.m=e,t.c=r,t.i=function(e){return e},t.d=function(e,r,n){t.o(e,r)||Object.defineProperty(e,r,{configurable:!1,enumerable:!0,get:n})},t.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(r,"a",r),r},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=4)}([function(e,t,r){"use strict";function n(e){e=e||{};for(var t=arguments.length,r=Array(t>1?t-1:0),n=1;n<t;n++)r[n-1]=arguments[n];for(var o=0,i=r.length;o<i;o++)if(r[o])for(var a in r[o])e[a]=r[o][a];return e}function o(e,t){for(var r=new Array(e),n=0,o=void 0;o=t.next(),!o.done;)r[n++]=o.value;return r}function i(e,t,r,n){var o=e._nodes.get(t);return"mixed"===n?o.out&&o.out[r]||o.undirected&&o.undirected[r]:"directed"===n?o.out&&o.out[r]:o.undirected&&o.undirected[r]}function a(e){return!!e&&"object"===(void 0===e?"undefined":v(e))&&(Array.isArray(e)||"function"==typeof Map&&e instanceof Map||"function"==typeof Set&&e instanceof Set||!(e instanceof Date)&&!(e instanceof RegExp))}function s(e){return!!e&&"object"===(void 0===e?"undefined":v(e))&&"function"==typeof e.addUndirectedEdgeWithKey&&"function"==typeof e.dropNode}function d(e){return!(!e||"object"!==(void 0===e?"undefined":v(e))||Array.isArray(e)||e instanceof Date||e instanceof RegExp||"function"==typeof Map&&e instanceof Map||"function"==typeof Set&&e instanceof Set)}function u(e,t){if(Array.isArray(e))for(var r=0,n=e.length;r<n;r++)t(e[r],null);else if("function"==typeof e.forEach)for(var o=e.entries(),i=void 0;i=o.next();){var a=i,s=a.value,d=a.done;if(d)break;var u=s[0],h=s[1];h===u?t(h,null):t(u,h)}else for(var p in e){var c=e[p];t(p,c)}}function h(e){for(var t=""+e,r="",n=0,o=t.length;n<o;n++){r=t[o-n-1]+r,(n-2)%3||n===o-1||(r=","+r)}return r}function p(e,t,r){Object.defineProperty(e,t,{enumerable:!1,configurable:!1,writable:!0,value:r})}function c(e,t,r){var n={enumerable:!0,configurable:!0};"function"==typeof r?n.get=r:(n.value=r,n.writable=!1),Object.defineProperty(e,t,n)}function f(){for(var e,t=0;t<16;t++)0==(3&t)&&(e=4294967296*Math.random()),b[t]=e>>>((3&t)<<3)&255;return b}function g(){var e=f();return e[6]=15&e[6]|64,e[8]=63&e[8]|128,e}function l(e){for(var t=[0],r=0,n=e.length;r<n;r++){for(var o=e[r],i=0,a=t.length;i<a;i++)o+=t[i]<<8,t[i]=o%62,o=o/62|0;for(;o>0;)t.push(o%62),o=o/62|0}for(var s="",d=0,u=e.length;0===e[d]&&d<u-1;d++)s+=m[0];for(var h=t.length-1;h>=0;h--)s+=m[t[h]];for(;s.length<22;)s+="0";return s}function y(){return l(g())}Object.defineProperty(t,"__esModule",{value:!0});var v="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};t.assign=n,t.consumeIterator=o,t.getMatchingEdge=i,t.isBunch=a,t.isGraph=s,t.isPlainObject=d,t.overBunch=u,t.prettyPrint=h,t.privateProperty=p,t.readOnlyProperty=c,t.uuid=y;var b=new Uint8Array(16),m="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function o(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - 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Expecting an object but got "'+t+'"');if(e=""+e,t=(0,y.assign)({},this._options.defaultNodeAttributes,t),this.hasNode(e))throw new u.UsageGraphError('Graph.addNode: the "'+e+'" node already exist in the graph.');var r={attributes:t};return this.allowSelfLoops&&("undirected"!==this.type&&(r.directedSelfLoops=0),"directed"!==this.type&&(r.undirectedSelfLoops=0)),"undirected"!==this.type&&(r.inDegree=0,r.outDegree=0),"directed"!==this.type&&(r.undirectedDegree=0),this._nodes.set(e,r),this.emit("nodeAdded",{key:e,attributes:t}),e},t.prototype.mergeNode=function(e,t){return this.hasNode(e)?(t&&this.mergeNodeAttributes(e,t),e):this.addNode(e,t)},t.prototype.addNodesFrom=function(e){var t=this;if(!(0,y.isBunch)(e))throw new u.InvalidArgumentsGraphError('Graph.addNodesFrom: invalid bunch provided ("'+e+'").');return(0,y.overBunch)(e,function(e,r){t.addNode(e,r)}),this},t.prototype.dropNode=function(e){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.dropNode: could not find the "'+e+'" node in the graph.');for(var t=this.edges(e),r=0,n=t.length;r<n;r++)this.dropEdge(t[r]);var o=this._nodes.get(e);this._nodes.delete(e),this.emit("nodeDropped",{key:e,attributes:o.attributes})},t.prototype.dropEdge=function(e){if(arguments.length>1){var t=""+arguments[0],r=""+arguments[1];if(!this.hasNode(t))throw new u.NotFoundGraphError('Graph.dropEdge: could not find the "'+t+'" source node in the graph.');if(!this.hasNode(r))throw new u.NotFoundGraphError('Graph.dropEdge: could not find the "'+r+'" target node in the graph.');if(!this.hasEdge(t,r))throw new u.NotFoundGraphError('Graph.dropEdge: could not find the "'+t+'" -> "'+r+'" edge in the graph.');e=(0,y.getMatchingEdge)(this,t,r,this.type)}else if(e=""+e,!this.hasEdge(e))throw new u.NotFoundGraphError('Graph.dropEdge: could not find the "'+e+'" edge in the graph.');var n=this._edges.get(e);this._edges.delete(e);var o=n.source,i=n.target,a=n.attributes,s=n.undirected,d=void 0!==s&&s,h=this._nodes.get(o),c=this._nodes.get(i);return o===i?h.selfLoops--:d?(h.undirectedDegree--,c.undirectedDegree--):(h.outDegree--,c.inDegree--),this._structureIsComputed&&(0,p.clearEdgeFromStructureIndex)(this,e,n),this.emit("edgeDropped",{key:e,attributes:a,source:o,target:i,undirected:d}),this},t.prototype.dropNodes=function(e){var t=this;if(!arguments.length)return this.clear();if(!(0,y.isBunch)(e))throw new u.InvalidArgumentsGraphError("Graph.dropNodes: invalid bunch.");return(0,y.overBunch)(e,function(e){t.dropNode(e)}),this},t.prototype.dropEdges=function(e){var t=this;if(!arguments.length)return this._edges.clear(),this.clearIndex(),this;if(2===arguments.length){var r=arguments[0],n=arguments[1];e=this.edges(r,n)}if(!(0,y.isBunch)(e))throw new u.InvalidArgumentsGraphError("Graph.dropEdges: invalid bunch.");return(0,y.overBunch)(e,function(e){t.dropEdge(e)}),this},t.prototype.clear=function(){this._edges.clear(),this._nodes.clear();for(var e in this._indices){var t=this._indices[e];t.lazy&&(t.computed=!1)}this.emit("cleared")},t.prototype.getAttribute=function(e){return this._attributes[e]},t.prototype.getAttributes=function(){return this._attributes},t.prototype.hasAttribute=function(e){return this._attributes.hasOwnProperty(e)},t.prototype.setAttribute=function(e,t){return this._attributes[e]=t,this.emit("attributesUpdated",{type:"set",meta:{name:e,value:t}}),this},t.prototype.updateAttribute=function(e,t){if("function"!=typeof t)throw new u.InvalidArgumentsGraphError("Graph.updateAttribute: updater should be a function.");return this._attributes[e]=t(this._attributes[e]),this.emit("attributesUpdated",{type:"set",meta:{name:e,value:this._attributes[e]}}),this},t.prototype.removeAttribute=function(e){return delete this._attributes[e],this.emit("attributesUpdated",{type:"remove",meta:{name:e}}),this},t.prototype.replaceAttributes=function(e){if(!(0,y.isPlainObject)(e))throw new u.InvalidArgumentsGraphError("Graph.replaceAttributes: provided attributes are not a plain object.");var t=this._attributes;return this._attributes=e,this.emit("attributesUpdated",{type:"replace",meta:{before:t,after:e}}),this},t.prototype.mergeAttributes=function(e){if(!(0,y.isPlainObject)(e))throw new u.InvalidArgumentsGraphError("Graph.mergeAttributes: provided attributes are not a plain object.");return this._attributes=(0,y.assign)(this._attributes,e),this.emit("attributesUpdated",{type:"merge",meta:{data:this._attributes}}),this},t.prototype.getNodeAttribute=function(e,t){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.getNodeAttribute: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes[t]},t.prototype.getNodeAttributes=function(e){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.getNodeAttributes: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes},t.prototype.hasNodeAttribute=function(e,t){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.hasNodeAttribute: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes.hasOwnProperty(t)},t.prototype.setNodeAttribute=function(e,t,r){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.setNodeAttribute: could not find the "'+e+'" node in the graph.');if(arguments.length<3)throw new u.InvalidArgumentsGraphError("Graph.setNodeAttribute: not enough arguments. Either you forgot to pass the attribute's name or value, or you meant to use #.replaceNodeAttributes / #.mergeNodeAttributes instead.");return this._nodes.get(e).attributes[t]=r,this.emit("nodeAttributesUpdated",{key:e,type:"set",meta:{name:t,value:r}}),this},t.prototype.updateNodeAttribute=function(e,t,r){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.updateNodeAttribute: could not find the "'+e+'" node in the graph.');if(arguments.length<3)throw new u.InvalidArgumentsGraphError("Graph.updateNodeAttribute: not enough arguments. Either you forgot to pass the attribute's name or updater, or you meant to use #.replaceNodeAttributes / #.mergeNodeAttributes instead.");if("function"!=typeof r)throw new u.InvalidArgumentsGraphError("Graph.updateAttribute: updater should be a function.");var n=this._nodes.get(e).attributes;return n[t]=r(n[t]),this.emit("nodeAttributesUpdated",{key:e,type:"set",meta:{name:t,value:n[t]}}),this},t.prototype.removeNodeAttribute=function(e,t){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.hasNodeAttribute: could not find the "'+e+'" node in the graph.');return delete this._nodes.get(e).attributes[t],this.emit("nodeAttributesUpdated",{key:e,type:"remove",meta:{name:t}}),this},t.prototype.replaceNodeAttributes=function(e,t){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.replaceNodeAttributes: could not find the "'+e+'" node in the graph.');if(!(0,y.isPlainObject)(t))throw new u.InvalidArgumentsGraphError("Graph.replaceNodeAttributes: provided attributes are not a plain object.");var r=this._nodes.get(e),n=r.attributes;return r.attributes=t,this.emit("nodeAttributesUpdated",{key:e,type:"replace",meta:{before:n,after:t}}),this},t.prototype.mergeNodeAttributes=function(e,t){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.mergeNodeAttributes: could not find the "'+e+'" node in the graph.');if(!(0,y.isPlainObject)(t))throw new u.InvalidArgumentsGraphError("Graph.mergeNodeAttributes: provided attributes are not a plain object.");var r=this._nodes.get(e);return(0,y.assign)(r.attributes,t),this.emit("nodeAttributesUpdated",{key:e,type:"merge",meta:{data:t}}),this},t.prototype.nodes=function(){return(0,y.consumeIterator)(this._nodes.size,this._nodes.keys())},t.prototype.nodesIterator=function(){var e=this._nodes.keys();return new h.NodesIterator(function(){return e.next()})},t.prototype.exportNode=function(e){if(e=""+e,!this.hasNode(e))throw new u.NotFoundGraphError('Graph.exportNode: could not find the "'+e+'" node in the graph.');var t=this._nodes.get(e);return(0,l.serializeNode)(e,t)},t.prototype.exportEdge=function(e){if(e=""+e,!this.hasEdge(e))throw new u.NotFoundGraphError('Graph.exportEdge: could not find the "'+e+'" edge in the graph.');var t=this._edges.get(e);return(0,l.serializeEdge)(e,t)},t.prototype.exportNodes=function(e){var t=this,r=[];if(arguments.length){if(!(0,y.isBunch)(e))throw new u.InvalidArgumentsGraphError("Graph.exportNodes: invalid bunch.");(0,y.overBunch)(e,function(e){if(!t.hasNode(e))throw new u.NotFoundGraphError('Graph.exportNodes: could not find the "'+e+'" node from the bunch in the graph.');r.push(e)})}else r=this.nodes();for(var n=new Array(r.length),o=0,i=r.length;o<i;o++)n[o]=this.exportNode(r[o]);return n},t.prototype.exportEdges=function(e){return s(this,"exportEdges",null,e)},t.prototype.exportDirectedEdges=function(e){var t=this;return s(this,"exportDirectedEdges",function(e){return t.directed(e)},e)},t.prototype.exportUndirectedEdges=function(e){var t=this;return s(this,"exportUndirectedEdges",function(e){return t.undirected(e)},e)},t.prototype.export=function(){return{attributes:this.getAttributes(),nodes:this.exportNodes(),edges:this.exportEdges()}},t.prototype.importNode=function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=(0,l.validateSerializedNode)(e);if(r){if("not-object"===r)throw new u.InvalidArgumentsGraphError('Graph.importNode: invalid serialized node. A serialized node should be a plain object with at least a "key" property.');if("no-key"===r)throw new u.InvalidArgumentsGraphError("Graph.importNode: no key provided.");if("invalid-attributes"===r)throw new u.InvalidArgumentsGraphError("Graph.importNode: invalid attributes. Attributes should be a plain object, null or omitted.")}var n=e.key,o=e.attributes,i=void 0===o?{}:o;return t?this.mergeNode(n,i):this.addNode(n,i),this},t.prototype.importEdge=function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=(0,l.validateSerializedEdge)(e);if(r){if("not-object"===r)throw new u.InvalidArgumentsGraphError('Graph.importEdge: invalid serialized edge. A serialized edge should be a plain object with at least a "source" & "target" property.');if("no-source"===r)throw new u.InvalidArgumentsGraphError("Graph.importEdge: missing souce.");if("no-target"===r)throw new u.InvalidArgumentsGraphError("Graph.importEdge: missing target");if("invalid-attributes"===r)throw new u.InvalidArgumentsGraphError("Graph.importEdge: invalid attributes. Attributes should be a plain object, null or omitted.");if("invalid-undirected"===r)throw new u.InvalidArgumentsGraphError("Graph.importEdge: invalid undirected. Undirected should be boolean or omitted.")}var n=e.source,o=e.target,i=e.attributes,a=void 0===i?{}:i,s=e.undirected,d=void 0!==s&&s,h=void 0;return"key"in e?(h=t?d?this.mergeUndirectedEdgeWithKey:this.mergeDirectedEdgeWithKey:d?this.addUndirectedEdgeWithKey:this.addDirectedEdgeWithKey,h.call(this,e.key,n,o,a)):(h=t?d?this.mergeUndirectedEdge:this.mergeDirectedEdge:d?this.addUndirectedEdge:this.addDirectedEdge,h.call(this,n,o,a)),this},t.prototype.importNodes=function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!Array.isArray(e))throw new u.InvalidArgumentsGraphError("Graph.importNodes: invalid argument. Expecting an array.");for(var r=0,n=e.length;r<n;r++)this.importNode(e[r],t);return this},t.prototype.importEdges=function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!Array.isArray(e))throw new u.InvalidArgumentsGraphError("Graph.importEdges: invalid argument. Expecting an array.");for(var r=0,n=e.length;r<n;r++)this.importEdge(e[r],t);return this},t.prototype.import=function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if((0,y.isGraph)(e))return this.import(e.export(),t),this;if(!(0,y.isPlainObject)(e))throw new u.InvalidArgumentsGraphError("Graph.import: invalid argument. Expecting a serialized graph or, alternatively, a Graph instance.");if(e.attributes){if(!(0,y.isPlainObject)(e.attributes))throw new u.InvalidArgumentsGraphError("Graph.import: invalid attributes. Expecting a plain object.");t?this.mergeAttributes(e.attributes):this.replaceAttributes(e.attributes)}return e.nodes&&this.importNodes(e.nodes,t),e.edges&&this.importEdges(e.edges,t),this},t.prototype.emptyCopy=function(){return new t(this._options)},t.prototype.copy=function(){var e=new t(this._options);return e.import(this),e},t.prototype.upgradeToMixed=function(){var e=this;return"mixed"===this.type?this:(this._nodes.forEach(function(t){"undirected"===e.type?(t.directedSelfLoops=0,t.inDegree=0,t.outDegree=0):(t.undirectedSelfLoops=0,t.undirectedDegree=0)}),this._options.type="mixed",(0,y.readOnlyProperty)(this,"type",this._options.type),this)},t.prototype.upgradeToMulti=function(){return this.multi?this:(this._options.multi=!0,(0,y.readOnlyProperty)(this,"multi",!0),this._structureIsComputed?((0,p.upgradeStructureIndexToMulti)(this),this):this)},t.prototype.computeIndex=function(){var e=this;if(!this._structureIsComputed)return this._edges.forEach(function(t,r){(0,p.updateStructureIndex)(e,r,t)}),this._structureIsComputed=!0,this},t.prototype.clearIndex=function(){return this._structureIsComputed?((0,p.clearStructureIndex)(this),this._structureIsComputed=!1,this):this},t.prototype.toJSON=function(){return this.export()},t.prototype.toString=function(){var e=this.order>1||0===this.order,t=this.size>1||0===this.size;return"Graph<"+(0,y.prettyPrint)(this.order)+" node"+(e?"s":"")+", "+(0,y.prettyPrint)(this.size)+" edge"+(t?"s":"")+">"},t.prototype.inspect=function(){var e={};this._nodes.forEach(function(t,r){e[r]=t.attributes});var t={};this._edges.forEach(function(e,r){var n=e.undirected?"<->":"->",o="";e.generatedId||(o+="["+r+"]: "),o+="("+e.source+")"+n+"("+e.target+")",t[o]=e.attributes});var r={};for(var n in this)this.hasOwnProperty(n)&&!b.has(n)&&"function"!=typeof this[n]&&(r[n]=this[n]);return r.attributes=this._attributes,r.nodes=e,r.edges=t,(0,y.privateProperty)(r,"constructor",this.constructor),r},t}(d.EventEmitter);t.default=E,m.forEach(function(e){["add","merge"].forEach(function(t){var r=e.name(t);e.generateKey?E.prototype[r]=function(n,o,i){return a(this,r,"merge"===t,e.generateKey,"undirected"===(e.type||this.type),null,n,o,i)}:E.prototype[r]=function(n,o,i,s){return a(this,r,"merge"===t,e.generateKey,"undirected"===(e.type||this.type),n,o,i,s)}})}),(0,c.attachAttributesMethods)(E),(0,f.attachEdgeIterationMethods)(E),(0,g.attachNeighborIterationMethods)(E)},function(e,t,r){"use strict";function n(e,t,r,n){e.prototype[t]=function(e,o){if(arguments.length>2){if(this.multi)throw new f.UsageGraphError("Graph."+t+": cannot use a {source,target} combo when asking about an edge's attributes in a MultiGraph since we cannot infer the one you want information about.");var i=""+e,a=""+o;if(o=arguments[2],!this[r](i,a))throw new f.NotFoundGraphError("Graph."+t+': could not find an edge for the given path ("'+i+'" - 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Use the #.addEdge or #.addUndirectedEdge instead.");if(n&&"directed"===e.type)throw new h.UsageGraphError("Graph."+t+": you cannot add an undirected edge to a directed graph. Use the #.addEdge or #.addDirectedEdge instead.");if(!e.allowSelfLoops&&i===a)throw new h.UsageGraphError("Graph."+t+': source & target are the same ("'+i+"\"), thus creating a loop explicitly forbidden by this graph 'allowSelfLoops' option set to false.");if(d&&!(0,v.isPlainObject)(d))throw new h.InvalidArgumentsGraphError("Graph."+t+': invalid attributes. Expecting an object but got "'+d+'"');i=""+i,a=""+a;var s=e._nodes.get(i),u=e._nodes.get(a);if(!s)throw new h.NotFoundGraphError("Graph."+t+': source node "'+i+'" not found.');if(!u)throw new h.NotFoundGraphError("Graph."+t+': target node "'+a+'" not found.');if(d=(0,v.assign)({},e._options.defaultEdgeAttributes,d),r&&(o=e._edgeKeyGenerator({undirected:n,source:i,target:a,attributes:d})),o=""+o,e._edges.has(o))throw new h.UsageGraphError("Graph."+t+': the "'+o+'" edge already exists in the graph.');if(!e.multi&&(n?e.hasUndirectedEdge(i,a):e.hasDirectedEdge(i,a)))throw new h.UsageGraphError("Graph."+t+': an edge linking "'+i+'" to "'+a+"\" already exists. If you really want to add multiple edges linking those nodes, you should create a multi graph by using the 'multi' option.");var c=n?p.UndirectedEdgeData:p.DirectedEdgeData,g=new c(r,i,a,d);return e._edges.set(o,g),i===a?n?s.undirectedSelfLoops++:s.directedSelfLoops++:n?(s.undirectedDegree++,u.undirectedDegree++):(s.outDegree++,u.inDegree++),(0,f.updateStructureIndex)(e,n,o,i,a,s,u),e.emit("edgeAdded",{key:o,source:i,target:a,attributes:d,undirected:n}),o}function d(e,t,r,n,o,i,a,d){if(!n&&"undirected"===e.type)throw new h.UsageGraphError("Graph."+t+": you cannot add a directed edge to an undirected graph. Use the #.addEdge or #.addUndirectedEdge instead.");if(n&&"directed"===e.type)throw new h.UsageGraphError("Graph."+t+": you cannot add an undirected edge to a directed graph. Use the #.addEdge or #.addDirectedEdge instead.");if(!e.allowSelfLoops&&i===a)throw new h.UsageGraphError("Graph."+t+': source & target are the same ("'+i+"\"), thus creating a loop explicitly forbidden by this graph 'allowSelfLoops' option set to false.");if(d&&!(0,v.isPlainObject)(d))throw new h.InvalidArgumentsGraphError("Graph."+t+': invalid attributes. Expecting an object but got "'+d+'"');i=""+i,a=""+a;var s=e._nodes.get(i),u=e._nodes.get(a),c=null;if(!e.multi&&(n?e.hasUndirectedEdge(i,a):e.hasDirectedEdge(i,a))&&(c=(0,v.getMatchingEdge)(e,i,a,n?"undirected":"directed")),c){var g=e._edges.get(c);if(g.source!==i||g.target!==a)throw new h.UsageGraphError("Graph."+t+': inconsistency detected when attempting to merge the "'+o+'" edge with "'+i+'" source & "'+a+'" target vs. ('+g.source+", "+g.target+").");return(0,v.assign)(g.attributes,d),c}if(d=(0,v.assign)({},e._options.defaultEdgeAttributes,d),r&&(o=e._edgeKeyGenerator({undirected:n,source:i,target:a,attributes:d})),o=""+o,e._edges.has(o))throw new h.UsageGraphError("Graph."+t+': the "'+o+'" edge already exists in the graph.');s||(e.addNode(i),s=e._nodes.get(i)),u||(e.addNode(a),u=e._nodes.get(a));var l=n?p.UndirectedEdgeData:p.DirectedEdgeData,y=new l(r,i,a,d);return e._edges.set(o,y),i===a?n?s.undirectedSelfLoops++:s.directedSelfLoops++:n?(s.undirectedDegree++,u.undirectedDegree++):(s.outDegree++,u.inDegree++),(0,f.updateStructureIndex)(e,n,o,i,a,s,u),e.emit("edgeAdded",{key:o,source:i,target:a,attributes:d,undirected:n}),o}function s(e,t,r,n){var o=[];if(n){if(!(0,v.isBunch)(n))throw new h.InvalidArgumentsGraphError("Graph."+t+": invalid bunch.");(0,v.overBunch)(n,function(n){if(!e.hasEdge(n))throw new h.NotFoundGraphError("Graph."+t+': could not find the "'+n+'" edge from the bunch in the graph.');r&&!r(n)||o.push(n)})}else o="exportEdges"===t?e.edges():"exportDirectedEdges"===t?e.directedEdges():e.undirectedEdges();for(var i=new Array(o.length),a=0,d=o.length;a<d;a++)i[a]=e.exportEdge(o[a]);return i}Object.defineProperty(t,"__esModule",{value:!0});var u=r(11),h=r(1),p=r(2),c=r(8),f=r(6),g=r(4),l=r(7),y=r(9),b=r(10),v=r(0),w=new Set(["directed","undirected","mixed"]),m=new Set(["domain","_events","_eventsCount","_maxListeners"]),E=[{name:function(e){return e+"Edge"},generateKey:!0},{name:function(e){return e+"DirectedEdge"},generateKey:!0,type:"directed"},{name:function(e){return e+"UndirectedEdge"},generateKey:!0,type:"undirected"},{name:function(e){return e+"EdgeWithKey"}},{name:function(e){return e+"DirectedEdgeWithKey"},type:"directed"},{name:function(e){return e+"UndirectedEdgeWithKey"},type:"undirected"}],G={allowSelfLoops:!0,defaultEdgeAttributes:{},defaultNodeAttributes:{},edgeKeyGenerator:null,multi:!1,type:"mixed"},_=function(e){function t(r){n(this,t);var i=o(this,e.call(this));if(r=(0,v.assign)({},G,r),r.edgeKeyGenerator&&"function"!=typeof r.edgeKeyGenerator)throw new h.InvalidArgumentsGraphError("Graph.constructor: invalid 'edgeKeyGenerator' option. Expecting a function but got \""+r.edgeKeyGenerator+'".');if("boolean"!=typeof r.multi)throw new h.InvalidArgumentsGraphError("Graph.constructor: invalid 'multi' option. Expecting a boolean but got \""+r.multi+'".');if(!w.has(r.type))throw new h.InvalidArgumentsGraphError('Graph.constructor: invalid \'type\' option. Should be one of "mixed", "directed" or "undirected" but got "'+r.type+'".');if("boolean"!=typeof r.allowSelfLoops)throw new h.InvalidArgumentsGraphError("Graph.constructor: invalid 'allowSelfLoops' option. Expecting a boolean but got \""+r.allowSelfLoops+'".');if(!(0,v.isPlainObject)(r.defaultEdgeAttributes))throw new h.InvalidArgumentsGraphError("Graph.constructor: invalid 'defaultEdgeAttributes' option. Expecting a plain object but got \""+r.defaultEdgeAttributes+'".');if(!(0,v.isPlainObject)(r.defaultNodeAttributes))throw new h.InvalidArgumentsGraphError("Graph.constructor: invalid 'defaultNodeAttributes' option. Expecting a plain object but got \""+r.defaultNodeAttributes+'".');return(0,v.privateProperty)(i,"_attributes",{}),(0,v.privateProperty)(i,"_nodes",new Map),(0,v.privateProperty)(i,"_edges",new Map),(0,v.privateProperty)(i,"_edgeKeyGenerator",r.edgeKeyGenerator||(0,v.incrementalId)()),(0,v.privateProperty)(i,"_options",r),m.forEach(function(e){return(0,v.privateProperty)(i,e,i[e])}),(0,v.readOnlyProperty)(i,"order",function(){return i._nodes.size}),(0,v.readOnlyProperty)(i,"size",function(){return i._edges.size}),(0,v.readOnlyProperty)(i,"multi",i._options.multi),(0,v.readOnlyProperty)(i,"type",i._options.type),(0,v.readOnlyProperty)(i,"allowSelfLoops",i._options.allowSelfLoops),i}return i(t,e),t.prototype.hasNode=function(e){return this._nodes.has(""+e)},t.prototype.hasDirectedEdge=function(e,t){if("undirected"===this.type)return!1;if(1===arguments.length){var r=""+e,n=this._edges.get(r);return!!n&&n instanceof p.DirectedEdgeData}if(2===arguments.length){e=""+e,t=""+t;var o=this._nodes.get(e);if(!o)return!1;var i=o.out[t];return!!i&&(!this.multi||!!i.size)}throw new h.InvalidArgumentsGraphError("Graph.hasDirectedEdge: invalid arity ("+arguments.length+", instead of 1 or 2). You can either ask for an edge id or for the existence of an edge between a source & a target.")},t.prototype.hasUndirectedEdge=function(e,t){if("directed"===this.type)return!1;if(1===arguments.length){var r=""+e,n=this._edges.get(r);return!!n&&n instanceof p.UndirectedEdgeData}if(2===arguments.length){e=""+e,t=""+t;var o=this._nodes.get(e);if(!o)return!1;var i=o.undirected[t];return!!i&&(!this.multi||!!i.size)}throw new h.InvalidArgumentsGraphError("Graph.hasDirectedEdge: invalid arity ("+arguments.length+", instead of 1 or 2). You can either ask for an edge id or for the existence of an edge between a source & a target.")},t.prototype.hasEdge=function(e,t){if(1===arguments.length){var r=""+e;return this._edges.has(r)}if(2===arguments.length){e=""+e,t=""+t;var n=this._nodes.get(e);if(!n)return!1;var o=n.out[t];return o||(o=n.undirected[t]),!!o&&(!this.multi||!!o.size)}throw new h.InvalidArgumentsGraphError("Graph.hasEdge: invalid arity ("+arguments.length+", instead of 1 or 2). You can either ask for an edge id or for the existence of an edge between a source & a target.")},t.prototype.directedEdge=function(e,t){if("undirected"!==this.type){if(e=""+e,t=""+t,this.multi)throw new h.UsageGraphError("Graph.directedEdge: this method is irrelevant with multigraphs since there might be multiple edges between source & target. See #.directedEdges instead.");var r=this._nodes.get(e);if(!r)throw new h.NotFoundGraphError('Graph.directedEdge: could not find the "'+e+'" source node in the graph.');if(!this._nodes.has(t))throw new h.NotFoundGraphError('Graph.directedEdge: could not find the "'+t+'" target node in the graph.');return r.out&&r.out[t]||void 0}},t.prototype.undirectedEdge=function(e,t){if("directed"!==this.type){if(e=""+e,t=""+t,this.multi)throw new h.UsageGraphError("Graph.undirectedEdge: this method is irrelevant with multigraphs since there might be multiple edges between source & target. See #.undirectedEdges instead.");var r=this._nodes.get(e);if(!r)throw new h.NotFoundGraphError('Graph.undirectedEdge: could not find the "'+e+'" source node in the graph.');if(!this._nodes.has(t))throw new h.NotFoundGraphError('Graph.undirectedEdge: could not find the "'+t+'" target node in the graph.');return r.undirected&&r.undirected[t]||void 0}},t.prototype.edge=function(e,t){if(this.multi)throw new h.UsageGraphError("Graph.edge: this method is irrelevant with multigraphs since there might be multiple edges between source & target. See #.edges instead.");e=""+e,t=""+t;var r=this._nodes.get(e);if(!r)throw new h.NotFoundGraphError('Graph.edge: could not find the "'+e+'" source node in the graph.');if(!this._nodes.has(t))throw new h.NotFoundGraphError('Graph.edge: could not find the "'+t+'" target node in the graph.');return r.out&&r.out[t]||r.undirected&&r.undirected[t]||void 0},t.prototype.inDegree=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if("boolean"!=typeof t)throw new h.InvalidArgumentsGraphError('Graph.inDegree: Expecting a boolean but got "'+t+'" for the second parameter (allowing self-loops to be counted).');e=""+e;var r=this._nodes.get(e);if(!r)throw new h.NotFoundGraphError('Graph.inDegree: could not find the "'+e+'" node in the graph.');if("undirected"===this.type)return 0;var n=t?r.directedSelfLoops:0;return r.inDegree+n},t.prototype.outDegree=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if("boolean"!=typeof t)throw new h.InvalidArgumentsGraphError('Graph.outDegree: Expecting a boolean but got "'+t+'" for the second parameter (allowing self-loops to be counted).');e=""+e;var r=this._nodes.get(e);if(!r)throw new h.NotFoundGraphError('Graph.outDegree: could not find the "'+e+'" node in the graph.');if("undirected"===this.type)return 0;var n=t?r.directedSelfLoops:0;return r.outDegree+n},t.prototype.directedDegree=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if("boolean"!=typeof t)throw new h.InvalidArgumentsGraphError('Graph.directedDegree: Expecting a boolean but got "'+t+'" for the second parameter (allowing self-loops to be counted).');if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.directedDegree: could not find the "'+e+'" node in the graph.');return"undirected"===this.type?0:this.inDegree(e,t)+this.outDegree(e,t)},t.prototype.undirectedDegree=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if("boolean"!=typeof t)throw new h.InvalidArgumentsGraphError('Graph.undirectedDegree: Expecting a boolean but got "'+t+'" for the second parameter (allowing self-loops to be counted).');if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.undirectedDegree: could not find the "'+e+'" node in the graph.');if("directed"===this.type)return 0;var r=this._nodes.get(e),n=t?2*r.undirectedSelfLoops:0;return r.undirectedDegree+n},t.prototype.degree=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];if("boolean"!=typeof t)throw new h.InvalidArgumentsGraphError('Graph.degree: Expecting a boolean but got "'+t+'" for the second parameter (allowing self-loops to be counted).');if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.degree: could not find the "'+e+'" node in the graph.');var r=0;return"undirected"!==this.type&&(r+=this.directedDegree(e,t)),"directed"!==this.type&&(r+=this.undirectedDegree(e,t)),r},t.prototype.source=function(e){if(e=""+e,!this.hasEdge(e))throw new h.NotFoundGraphError('Graph.source: could not find the "'+e+'" edge in the graph.');return this._edges.get(e).source},t.prototype.target=function(e){if(e=""+e,!this.hasEdge(e))throw new h.NotFoundGraphError('Graph.target: could not find the "'+e+'" edge in the graph.');return this._edges.get(e).target},t.prototype.extremities=function(e){e=""+e;var t=this._edges.get(e);if(!t)throw new h.NotFoundGraphError('Graph.extremities: could not find the "'+e+'" edge in the graph.');return[t.source,t.target]},t.prototype.opposite=function(e,t){if(e=""+e,t=""+t,!this._nodes.has(e))throw new h.NotFoundGraphError('Graph.opposite: could not find the "'+e+'" node in the graph.');var r=this._edges.get(t);if(!r)throw new h.NotFoundGraphError('Graph.opposite: could not find the "'+t+'" edge in the graph.');var n=r.source,o=r.target;if(e!==n&&e!==o)throw new h.NotFoundGraphError('Graph.opposite: the "'+e+'" node is not attached to the "'+t+'" edge ('+n+", "+o+").");return e===n?o:n},t.prototype.undirected=function(e){e=""+e;var t=this._edges.get(e);if(!t)throw new h.NotFoundGraphError('Graph.undirected: could not find the "'+e+'" edge in the graph.');return t instanceof p.UndirectedEdgeData},t.prototype.directed=function(e){e=""+e;var t=this._edges.get(e);if(!t)throw new h.NotFoundGraphError('Graph.directed: could not find the "'+e+'" edge in the graph.');return t instanceof p.DirectedEdgeData},t.prototype.selfLoop=function(e){e=""+e;var t=this._edges.get(e);if(!t)throw new h.NotFoundGraphError('Graph.selfLoop: could not find the "'+e+'" edge in the graph.');return t.source===t.target},t.prototype.addNode=function(e,t){if(t&&!(0,v.isPlainObject)(t))throw new h.InvalidArgumentsGraphError('Graph.addNode: invalid attributes. Expecting an object but got "'+t+'"');if(e=""+e,this._nodes.has(e))throw new h.UsageGraphError('Graph.addNode: the "'+e+'" node already exist in the graph.');t=(0,v.assign)({},this._options.defaultNodeAttributes,t);var r="mixed"===this.type?p.MixedNodeData:"directed"===this.type?p.DirectedNodeData:p.UndirectedNodeData,n=new r(t);return this._nodes.set(e,n),this.emit("nodeAdded",{key:e,attributes:t}),e},t.prototype.mergeNode=function(e,t){var r=this._nodes.get(e);return r?(t&&(0,v.assign)(r.attributes,t),e):this.addNode(e,t)},t.prototype.addNodesFrom=function(e){var t=this;if(!(0,v.isBunch)(e))throw new h.InvalidArgumentsGraphError('Graph.addNodesFrom: invalid bunch provided ("'+e+'").');return(0,v.overBunch)(e,function(e,r){t.addNode(e,r)}),this},t.prototype.dropNode=function(e){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.dropNode: could not find the "'+e+'" node in the graph.');for(var t=this.edges(e),r=0,n=t.length;r<n;r++)this.dropEdge(t[r]);var o=this._nodes.get(e);this._nodes.delete(e),this.emit("nodeDropped",{key:e,attributes:o.attributes})},t.prototype.dropEdge=function(e){if(arguments.length>1){var t=""+arguments[0],r=""+arguments[1];if(!this.hasNode(t))throw new h.NotFoundGraphError('Graph.dropEdge: could not find the "'+t+'" source node in the graph.');if(!this.hasNode(r))throw new h.NotFoundGraphError('Graph.dropEdge: could not find the "'+r+'" target node in the graph.');if(!this.hasEdge(t,r))throw new h.NotFoundGraphError('Graph.dropEdge: could not find the "'+t+'" -> "'+r+'" edge in the graph.');e=(0,v.getMatchingEdge)(this,t,r,this.type)}else if(e=""+e,!this.hasEdge(e))throw new h.NotFoundGraphError('Graph.dropEdge: could not find the "'+e+'" edge in the graph.');var n=this._edges.get(e);this._edges.delete(e);var o=n.source,i=n.target,a=n.attributes,d=n instanceof p.UndirectedEdgeData,s=this._nodes.get(o),u=this._nodes.get(i);return o===i?s.selfLoops--:d?(s.undirectedDegree--,u.undirectedDegree--):(s.outDegree--,u.inDegree--),(0,f.clearEdgeFromStructureIndex)(this,d,e,n),this.emit("edgeDropped",{key:e,attributes:a,source:o,target:i,undirected:d}),this},t.prototype.dropNodes=function(e){var t=this;if(!arguments.length)return this.clear();if(!(0,v.isBunch)(e))throw new h.InvalidArgumentsGraphError("Graph.dropNodes: invalid bunch.");return(0,v.overBunch)(e,function(e){t.dropNode(e)}),this},t.prototype.dropEdges=function(e){var t=this;if(!arguments.length)return this._edges.clear(),this.clearIndex(),this;if(2===arguments.length){var r=arguments[0],n=arguments[1];e=this.edges(r,n)}if(!(0,v.isBunch)(e))throw new h.InvalidArgumentsGraphError("Graph.dropEdges: invalid bunch.");return(0,v.overBunch)(e,function(e){t.dropEdge(e)}),this},t.prototype.clear=function(){this._edges.clear(),this._nodes.clear();for(var e in this._indices){var t=this._indices[e];t.lazy&&(t.computed=!1)}this.emit("cleared")},t.prototype.getAttribute=function(e){return this._attributes[e]},t.prototype.getAttributes=function(){return this._attributes},t.prototype.hasAttribute=function(e){return this._attributes.hasOwnProperty(e)},t.prototype.setAttribute=function(e,t){return this._attributes[e]=t,this.emit("attributesUpdated",{type:"set",meta:{name:e,value:t}}),this},t.prototype.updateAttribute=function(e,t){if("function"!=typeof t)throw new h.InvalidArgumentsGraphError("Graph.updateAttribute: updater should be a function.");return this._attributes[e]=t(this._attributes[e]),this.emit("attributesUpdated",{type:"set",meta:{name:e,value:this._attributes[e]}}),this},t.prototype.removeAttribute=function(e){return delete this._attributes[e],this.emit("attributesUpdated",{type:"remove",meta:{name:e}}),this},t.prototype.replaceAttributes=function(e){if(!(0,v.isPlainObject)(e))throw new h.InvalidArgumentsGraphError("Graph.replaceAttributes: provided attributes are not a plain object.");var t=this._attributes;return this._attributes=e,this.emit("attributesUpdated",{type:"replace",meta:{before:t,after:e}}),this},t.prototype.mergeAttributes=function(e){if(!(0,v.isPlainObject)(e))throw new h.InvalidArgumentsGraphError("Graph.mergeAttributes: provided attributes are not a plain object.");return this._attributes=(0,v.assign)(this._attributes,e),this.emit("attributesUpdated",{type:"merge",meta:{data:this._attributes}}),this},t.prototype.getNodeAttribute=function(e,t){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.getNodeAttribute: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes[t]},t.prototype.getNodeAttributes=function(e){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.getNodeAttributes: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes},t.prototype.hasNodeAttribute=function(e,t){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.hasNodeAttribute: could not find the "'+e+'" node in the graph.');return this._nodes.get(e).attributes.hasOwnProperty(t)},t.prototype.setNodeAttribute=function(e,t,r){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.setNodeAttribute: could not find the "'+e+'" node in the graph.');if(arguments.length<3)throw new h.InvalidArgumentsGraphError("Graph.setNodeAttribute: not enough arguments. Either you forgot to pass the attribute's name or value, or you meant to use #.replaceNodeAttributes / #.mergeNodeAttributes instead.");return this._nodes.get(e).attributes[t]=r,this.emit("nodeAttributesUpdated",{key:e,type:"set",meta:{name:t,value:r}}),this},t.prototype.updateNodeAttribute=function(e,t,r){if(e=""+e,!this.hasNode(e))throw new h.NotFoundGraphError('Graph.updateNodeAttribute: could not find the "'+e+'" node in the graph.');if(arguments.length<3)throw new h.InvalidArgumentsGraphError("Graph.updateNodeAttribute: not enough arguments. 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"'+a+'").');e=(0,c.getMatchingEdge)(this,i,a,n)}else e=""+e;if(!this[r](e))throw new f.NotFoundGraphError("Graph."+t+': could not find the "'+e+'" edge in the graph.');if(!(0,c.isPlainObject)(o))throw new f.InvalidArgumentsGraphError("Graph."+t+": provided attributes are not a plain object.");var d=this._edges.get(e),s=d.attributes;return d.attributes=o,this.emit("edgeAttributesUpdated",{key:e,type:"replace",meta:{before:s,after:o}}),this}}function h(e,t,r,n){e.prototype[t]=function(e,o){if(arguments.length>2){if(this.multi)throw new f.UsageGraphError("Graph."+t+": cannot use a {source,target} combo when asking about an edge's attributes in a MultiGraph since we cannot infer the one you want information about.");var i=""+e,a=""+o;if(o=arguments[2],!this[r](i,a))throw new f.NotFoundGraphError("Graph."+t+': could not find an edge for the given path ("'+i+'" - "'+a+'").');e=(0,c.getMatchingEdge)(this,i,a,n)}else e=""+e;if(!this[r](e))throw new f.NotFoundGraphError("Graph."+t+': could not find the "'+e+'" edge in the graph.');if(!(0,c.isPlainObject)(o))throw new f.InvalidArgumentsGraphError("Graph."+t+": provided attributes are not a plain object.");var d=this._edges.get(e);return(0,c.assign)(d.attributes,o),this.emit("edgeAttributesUpdated",{key:e,type:"merge",meta:{data:o}}),this}}function p(e){g.forEach(function(t){var r=t.name,n=t.attacher;n(e,r("Edge"),"hasEdge","mixed"),n(e,r("DirectedEdge"),"hasDirectedEdge","directed"),n(e,r("UndirectedEdge"),"hasUndirectedEdge","undirected")})}Object.defineProperty(t,"__esModule",{value:!0}),t.attachAttributesMethods=p;var c=r(0),f=r(1),g=[{name:function(e){return"get"+e+"Attribute"},attacher:n},{name:function(e){return"get"+e+"Attributes"},attacher:o},{name:function(e){return"has"+e+"Attribute"},attacher:i},{name:function(e){return"set"+e+"Attribute"},attacher:a},{name:function(e){return"update"+e+"Attribute"},attacher:d},{name:function(e){return"remove"+e+"Attribute"},attacher:s},{name:function(e){return"replace"+e+"Attributes"},attacher:u},{name:function(e){return"merge"+e+"Attributes"},attacher:h}]},function(e,t,r){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function o(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - 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CHANGELOG.md

 # Changelog
 
+## 0.9.0
+
+* Major write performance improvements.
+* Shifting the default edge key generation system.
+* Dropping index' laziness.
+
 ## 0.8.0
@@ -4,0 +10,0 @@

dist/indices.js

@@ -22,19 +22,10 @@ 'use strict';
  *
- * @param {Graph}  graph - Target Graph instance.
- * @param {any}    edge  - Added edge.
- * @param {object} data  - Attached data.
+ * @param {Graph}    graph      - Target Graph instance.
+ * @param {any}      edge       - Added edge.
+ * @param {NodeData} sourceData - Source node's data.
+ * @param {NodeData} targetData - Target node's data.
  */
-function updateStructureIndex(graph, edge, data) {
+function updateStructureIndex(graph, undirected, edge, source, target, sourceData, targetData) {
   var multi = graph.multi;
 
-  // Retrieving edge information
-  var undirected = data.undirected,
-      source = data.source,
-      target = data.target;
-
-  // Retrieving source & target data
-
-  var sourceData = graph._nodes.get(source),
-      targetData = graph._nodes.get(target);
-
   var outKey = undirected ? 'undirected' : 'out',
@@ -44,4 +35,2 @@ inKey = undirected ? 'undirected' : 'in';
   // Handling source
-  if (typeof sourceData[outKey] === 'undefined') sourceData[outKey] = {};
-
   if (typeof sourceData[outKey][target] === 'undefined') sourceData[outKey][target] = multi ? new Set() : edge;
@@ -56,4 +45,2 @@
   // care of with source above)
-  if (typeof targetData[inKey] === 'undefined') targetData[inKey] = {};
-
   if (typeof targetData[inKey][source] === 'undefined') targetData[inKey][source] = sourceData[outKey][target];
@@ -69,8 +56,7 @@ }
  */
-function clearEdgeFromStructureIndex(graph, edge, data) {
+function clearEdgeFromStructureIndex(graph, undirected, edge, data) {
   var multi = graph.multi;
 
   var source = data.source,
-      target = data.target,
-      undirected = data.undirected;
+      target = data.target;
 
@@ -108,5 +94,5 @@ // NOTE: since the edge set is the same for source & target, we can only
     // Clearing now useless properties
-    delete data.in;
-    delete data.out;
-    delete data.undirected;
+    data.in = {};
+    data.out = {};
+    data.undirected = {};
   });
@@ -113,0 +99,0 @@ }

dist/iteration/edges.js

@@ -10,2 +10,4 @@ 'use strict';
 
+var _data = require('../data');
+
 var _utils = require('../utils');
@@ -16,9 +18,2 @@
  */
-/**
- * Graphology Edge Iteration
- * ==========================
- *
- * Attaching some methods to the Graph class to be able to iterate over a
- * graph's edges.
- */
 var EDGES_ITERATION = [{
@@ -48,21 +43,32 @@ name: 'edges',
  * @param  {object|undefined} object - Target object.
- * @param  {mixed}            [key]  - Optional key.
  * @return {array}                   - The found edges.
  */
-function collect(edges, object, key) {
-  var hasKey = arguments.length > 2;
+/**
+ * Graphology Edge Iteration
+ * ==========================
+ *
+ * Attaching some methods to the Graph class to be able to iterate over a
+ * graph's edges.
+ */
+function collect(edges, object) {
+  for (var k in object) {
+    if (object[k] instanceof Set) edges.push.apply(edges, (0, _utils.consumeIterator)(object[k].size, object[k].values()));else edges.push(object[k]);
+  }
+}
 
-  if (!object || hasKey && !(key in object)) return;
+/**
+ * Function collecting edges from the given object at given key.
+ *
+ * @param  {array}            edges  - Edges array to populate.
+ * @param  {object|undefined} object - Target object.
+ * @param  {mixed}            key    - Neighbor key.
+ * @return {array}                   - The found edges.
+ */
+function collectForKey(edges, object, key) {
 
-  if (hasKey) {
+  if (!(key in object)) return;
 
-    if (object[key] instanceof Set) edges.push.apply(edges, (0, _utils.consumeIterator)(object[key].size, object[key].values()));else edges.push(object[key]);
+  if (object[key] instanceof Set) edges.push.apply(edges, (0, _utils.consumeIterator)(object[key].size, object[key].values()));else edges.push(object[key]);
 
-    return;
-  }
-
-  for (var k in object) {
-
-    if (object[k] instanceof Set) edges.push.apply(edges, (0, _utils.consumeIterator)(object[k].size, object[k].values()));else edges.push(object[k]);
-  }
+  return;
 }
@@ -84,3 +90,3 @@
 
-    if (!!data.undirected === (type === 'undirected')) list.push(edge);
+    if (data instanceof _data.UndirectedEdgeData === (type === 'undirected')) list.push(edge);
   });
@@ -101,6 +107,2 @@
 function createEdgeArrayForNode(graph, type, direction, node) {
-
-  // For this, we need to compute the "structure" index
-  graph.computeIndex();
-
   var edges = [];
@@ -133,6 +135,2 @@
 function createEdgeArrayForPath(graph, type, source, target) {
-
-  // For this, we need to compute the "structure" index
-  graph.computeIndex();
-
   var edges = [];
@@ -143,8 +141,8 @@
   if (type !== 'undirected') {
-    collect(edges, sourceData.in, target);
-    collect(edges, sourceData.out, target);
+    collectForKey(edges, sourceData.in, target);
+    collectForKey(edges, sourceData.out, target);
   }
 
   if (type !== 'directed') {
-    collect(edges, sourceData.undirected, target);
+    collectForKey(edges, sourceData.undirected, target);
   }
@@ -151,0 +149,0 @@

dist/iteration/neighbors.js

@@ -65,6 +65,2 @@ 'use strict';
 function createNeighborSetForNode(graph, type, direction, node) {
-
-  // For this, we need to compute the "structure" index
-  graph.computeIndex();
-
   var neighbors = new Set();
@@ -71,0 +67,0 @@

dist/serialization.js

@@ -11,2 +11,4 @@ 'use strict';
 
+var _data = require('./data');
+
 var _utils = require('./utils');
@@ -21,18 +23,3 @@
  */
-function serializeNode(key, data) {
-  var serialized = { key: key };
-
-  if (Object.keys(data.attributes).length) serialized.attributes = data.attributes;
-
-  return serialized;
-}
-
 /**
- * Formats internal edge data into a serialized edge.
- *
- * @param  {any}    key  - The edge's key.
- * @param  {object} data - Internal edge's data.
- * @return {array}       - The serialized edge.
- */
-/**
  * Graphology Serialization Utilities
@@ -53,5 +40,19 @@ * ===================================
  */
+function serializeNode(key, data) {
+  var serialized = { key: key };
+
+  if (Object.keys(data.attributes).length) serialized.attributes = data.attributes;
+
+  return serialized;
+}
+
+/**
+ * Formats internal edge data into a serialized edge.
+ *
+ * @param  {any}    key  - The edge's key.
+ * @param  {object} data - Internal edge's data.
+ * @return {array}       - The serialized edge.
+ */
 function serializeEdge(key, data) {
   var serialized = {
-    key: key,
     source: data.source,
@@ -61,5 +62,8 @@ target: data.target
 
+  // We export the key unless if it was provided by the user
+  if (!data.generatedKey) serialized.key = key;
+
   if (Object.keys(data.attributes).length) serialized.attributes = data.attributes;
 
-  if (data.undirected) serialized.undirected = true;
+  if (data instanceof _data.UndirectedEdgeData) serialized.undirected = true;
 
@@ -66,0 +70,0 @@ return serialized;

dist/utils.js

@@ -19,3 +19,3 @@ 'use strict';
 exports.readOnlyProperty = readOnlyProperty;
-exports.uuid = uuid;
+exports.incrementalId = incrementalId;
 /**
@@ -115,3 +115,3 @@ * Graphology Utilities
 function isGraph(value) {
-  return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.addUndirectedEdgeWithKey === 'function' && typeof value.dropNode === 'function';
+  return value !== null && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && typeof value.addUndirectedEdgeWithKey === 'function' && typeof value.dropNode === 'function';
 }
@@ -126,3 +126,3 @@
 function isPlainObject(value) {
-  return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && !Array.isArray(value) && !(value instanceof Date) && !(value instanceof RegExp) && !(typeof Map === 'function' && value instanceof Map) && !(typeof Set === 'function' && value instanceof Set);
+  return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null && value.constructor === Object;
 }
@@ -239,61 +239,12 @@
 /**
- * Function returning uuid v4 compressed into base62 to have 22 characters-long
- * ids easily copy-pastable or usable in a URL.
+ * Creates a function generating incremental ids for edges.
  *
- * @return {string} - The uuid.
+ * @return {function}
  */
-var RANDOM_BYTES = new Uint8Array(16),
-    BASE62 = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+function incrementalId() {
+  var i = 0;
 
-function rng() {
-  for (var i = 0, r; i < 16; i++) {
-    if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
-    RANDOM_BYTES[i] = r >>> ((i & 0x03) << 3) & 0xff;
-  }
-
-  return RANDOM_BYTES;
-}
-
-function uuidBytes() {
-  var random = rng();
-
-  random[6] = random[6] & 0x0f | 0x40;
-  random[8] = random[8] & 0x3f | 0x80;
-
-  return random;
-}
-
-function toBase62(bytes) {
-  var digits = [0];
-
-  for (var i = 0, l = bytes.length; i < l; i++) {
-    var carry = bytes[i];
-
-    for (var j = 0, m = digits.length; j < m; j++) {
-      carry += digits[j] << 8;
-      digits[j] = carry % 62;
-      carry = carry / 62 | 0;
-    }
-
-    while (carry > 0) {
-      digits.push(carry % 62);
-      carry = carry / 62 | 0;
-    }
-  }
-
-  var string = '';
-
-  for (var _i = 0, _l = bytes.length; bytes[_i] === 0 && _i < _l - 1; _i++) {
-    string += BASE62[0];
-  }for (var _i2 = digits.length - 1; _i2 >= 0; _i2--) {
-    string += BASE62[digits[_i2]];
-  }while (string.length < 22) {
-    string += '0';
-  }return string;
-}
-
-function uuid() {
-  var bytes = uuidBytes();
-
-  return toBase62(bytes);
+  return function () {
+    return '_geid' + i++ + '_';
+  };
 }

package.json

 {
   "name": "graphology",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "description": "A robust and multipurpose Graph object for JavaScript.",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

specs/serialization.js

@@ -68,2 +68,21 @@ 'use strict';
         _assert2.default.deepEqual(graph.exportEdge('J<->M•2'), { key: 'J<->M•2', source: 'John', target: 'Martha', attributes: { weight: 2 }, undirected: true });
+      },
+
+      'it should not include generated keys.': function itShouldNotIncludeGeneratedKeys() {
+        var graph = new Graph();
+        graph.addNodesFrom([1, 2, 3]);
+
+        var edge1 = graph.addEdge(1, 2);
+        var edge2 = graph.addEdgeWithKey('edge2', 2, 3);
+
+        _assert2.default.deepEqual(graph.exportEdge(edge1), {
+          source: '1',
+          target: '2'
+        });
+
+        _assert2.default.deepEqual(graph.exportEdge(edge2), {
+          source: '2',
+          target: '3',
+          key: 'edge2'
+        });
       }
@@ -70,0 +89,0 @@ },

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Improved metrics

Total package byte prevSize

458175

increased by2.06%

Number of package files

33

increased by3.13%

Lines of code

9450

increased by2.24%

No dependency changes