digraph

Digraph module provides several functions for working with
directed graphs (digraphs)
in JavaScript.

node.js

``js
npm i digraph --save
`

browser

Use browserify.

API

`js
var digraph = require('digraph');
`

digraph is a factory function creates directed graph object.

`js
var g1 = digraph();
`

$3

Digraph object has node factory function.

`js
= g1.node()
`

Creates new node object if needed.

N: undefined

Constructs new noname node object.

N: {String}

Search for existing node object with this name.
Constructs new node object with the name if cant find existing node.

N: {Object}

Uses provided Object as node object descriptor. Search for existing node object if name: 'NodeName' is provided.

#### Examples:

``js
var a = g1.node('a');

var node = g1.node; // can be detached

var b = node('b');
var c = node('c');
`

$3

Node object has edge factory that will search for the relevant edge or create one if needed.

#### Examples:

`js
var a_b = a.edge(b);
var b_e = node('b').edge(node('e'));

var c_ = c.edge; // can be detached
var c_d = c_(d);
var c_e = c_(e);
`

$3

`js
[] = g1.edges.from()
`

Return array of all outgoing edges.

`js
[] = g1.edges.to()
`

Return array of all incoming edges.

`js
[] = g1.edges.at()
`

$3


`js
[] = g.get.nodes
`

Return array of nodes in no particular order.

`js
[] = g.get.edges
``

Return array of edges in no particular order.