phylotree/src/render/helpers.js

A JavaScript library for developing applications and interactive visualizations involving [phylogenetic trees](https://en.wikipedia.org/wiki/Phylogenetic_tree), written as an extension of the [D3](http://d3js.org) [hierarchy layout](https://github.com/d3/

export function itemTagged(item) {
  return item.tag || false;
}

export function itemSelected(item, tag) {
  return item[tag] || false;
}