dashblocks/src/components/d3/domuid.js

Enable Analytics in your Apps: Declarative Interactive Dashboards

let count = 0;

export default function(name) {
  return new Id('O-' + (name == null ? '' : name + '-') + ++count);
}

function Id(id) {
  this.id = id;
  //this.href = window.location.href + "#" + id;
  this.href = '#' + id;
}

Id.prototype.toString = function() {
  return 'url(' + this.href + ')';
};