How to use the graphology.library function in graphology

// Making some modules global for the custom scripts to consume
var d3 = require('d3');
window.d3 = d3;
var numeric = require('numeric');
window.numeric = numeric;

// Requiring some graphology libraries we are going to make global for the user
var graphology = require('graphology');

graphology.library = require('graphology-library/browser');
window.graphology = graphology;
window.Graph = graphology;

var randomLayout = graphology.library.layout.random;

var forceAtlas2Layout = graphology.library.layoutForceAtlas2;
window.layout = {
  random: randomLayout,
  forceAtlas2: forceAtlas2Layout
};

window.ForceAtlas2Layout = graphology.library.FA2Layout;

window.louvain = graphology.library.communitiesLouvain;

// Requiring sigma
window.SigmaWebGLRenderer = require('sigma/renderers/webgl').default;

// Requiring own modules
require('./view_upload/upload.js');
require('./view_board/board.js');
require('./recipes/_recipes_list_.js');