Weakly connected components

Click on a node to highlight its weakly-connected component.
          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <script src="../build/ogma.min.js"></script>
  <style>
    #graph-container { top: 0; bottom: 0; left: 0; right: 0; position: absolute; margin: 0; overflow: hidden; }
  </style>
</head>
<body>
  <div id="graph-container"></div>

<script>
'use strict';

var ogma = new Ogma({
  container: 'graph-container',
  options: { interactions: { selection: { enabled: false }}}
});

function getRandomColor() {
  var letters = '0123456789ABCDEF';
  var color = '#';
  for (var i = 0; i < 6; i++) {
    color += letters[Math.floor(Math.random() * 16)];
  }
  return color;
}

ogma.generate.random({
  nodes: 100,
  edges: 50
})
  .then(function(graph) { return ogma.setGraph(graph); })
  .then(function () { return ogma.layouts.forceLink(); })
  .then(function() { return ogma.view.locateGraph(); })
  .then(function() {
    ogma.getConnectedComponents().forEach(function(component) {
      component.setAttribute('color', getRandomColor());
    });
  });

ogma.events.onClick(function(evt) {
  ogma.clearSelection();
  if (evt.target && evt.target.isNode) {
    evt.target.getConnectedComponent().setSelected(true);
  }
});

</script>
</body>
</html>